senior software engineer

data scientist

senior data scientist

data science manager

senior ai engineer

senior scientist

Sainsbury’s

<div><div><h1 class="jobSectionHeader"><b>Senior Data Scientist
</b></h1></div><h4 class="jobSectionHeader"><b>Salary: </b><b>Competitive Plus Benefits</b><br>
<b>Location: </b><b>London Store Support Centre and Home, London, EC1M 6HA
</b><br>
<b>Contract type:
</b><br>
<b>Business area: </b><b>Data &amp; Analytics</b><br>
<b>Closing date: </b><b>07 July 2026</b><br>
<b>Requisition ID: </b><b>400067294</b></h4><p></p><div><div>At Sainsbury&rsquo;s, data sits at the heart of how we operate, innovate and serve our customers. Our Data &amp; Analytics team is building a technically advanced, commercially focused and impactful capability, powering our Next Level Strategy and helping to create a Sainsbury&rsquo;s powered by industry leading AI algorithms. We use data, technology and advanced analytics to drive better decisions across the business, from forecasting and optimisation to experimentation, personalisation and machine learning. With one of the richest retail datasets I n the UK and a portfolio spanning Sainsbury&rsquo;s, Argos, Habitat and Nectar, the opportunity to innovate is huge. Here, you&rsquo;ll tackle complex challenges at scale, create measurable impact and grow quickly alongside brilliant colleagues. People who thrive with us combine business understanding, technical expertise and curiosity, with a natural instinct for problem-solving. Join us and help shape the future of retail through data and AI.
</div></div><div><div><p><b>Senior Data Scientist &ndash; Nectar360</b></p><br>
<p></p>
<p><b>
Location</b></p>
<p>
London &ndash; Farringdon/Home</p>
<p><b>
Reporting to</b></p>
<p>
N360 Data Science Manager</p><br>
<p></p>
<p><b>
What is it?</b></p>
<p>
We&rsquo;re looking for a talented Senior Data Scientist to join Nectar360 &ndash; the team behind Sainsbury&rsquo;s Retail Media offering, and the UK&rsquo;s largest coalition loyalty programme (Nectar), with 24 million members nationwide.</p>
<p>
Our N360 Data Science team builds the systems behind our market-leading Retail Media platform (N360 Pollen), allowing hundreds of suppliers, media agencies and internal teams to set up, customise and measure their marketing campaigns. We develop and continuously improve our cutting-edge measurement capabilities, including multi-channel attribution, uplift estimation, AI-driven targeting and budget optimisation - across instore, onsite and offsite media. Our work enables suppliers to engage with customers every day and maximise the impact of their advertising.</p>
<p>
Based in our new Farringdon office, this role will work closely with decision-makers across Nectar360 and Sainsbury&rsquo;s to continue building innovative solutions for Nectar360, our suppliers and partners, using our incredible data assets, our rich customer understanding, and state of the art machine learning and AI. As one of the senior individual contributors in the team, you&rsquo;ll apply your wealth of experience and ideas to design, build, and improve our capabilities &ndash; driving value for the customer and the business. With a large team of data scientists and analysts across Sainsbury&rsquo;s and millions of known customers, the scale and scope are huge.</p><br>
<p></p>
<p><b>
What you will do</b></p>
<p>
As a Senior Data Scientist, your key responsibilities will include:</p>
<p>
Solve the hard problems</p>
<ul>
<li>Lead on the technical development of algorithms and pipelines that will deliver against our strategic objectives in Nectar360, including our industry-leading marketing measurement solutions.</li>
<li>Develop and enhance modelling and optimisation capabilities, using techniques such as MMMs, causal inference, multi-touch attribution, experimentation Bayesian modeling, unsupervised learning and many others.</li>
<li>Own projects, leading junior colleagues and engaging with stakeholders to define goals and ensure projects deliver impact.</li></ul><br>
<p></p>
<p>
Embody and improve best practice</p>
<ul>
<li>Align to best practice across modelling, experimentation, deployment, and model lifecycle management.</li>
<li>Coach through doing &ndash; pairing on code and demonstrating standards.</li></ul><br>
<p></p>
<p>
Be an enthusiastic member of our community</p>
<ul>
<li>Become the recognised data science technical expert in your team, bringing new ideas for future approaches, including state of the art techniques where appropriate.</li>
<li>Understand how our business really works and how data science can improve customer experience and our offering to 3rd parties.</li>
<li>Actively contribute to our vibrant Data and Analytics community of over 800 colleagues</li></ul><br>
<p></p>
<p><b>
Who you are</b></p>
<p>
We&rsquo;re looking for a highly motivated self-starter &ndash; someone who fixes problems and creates value without micromanagement. You need to know how to balance our need for technical rigour against our need to deliver commercial and customer value.</p>
<p>
Value delivery</p>
<ul>
<li>Extensive experience in Data Science roles in a commercial setting, with evidence of solving complex problems end-to-end.</li>
<li>A record of building systems which run in production, and an understanding of the value these generated.</li>
<li>An ability to understand commercial reality as well as technical rigour, and a pragmatic mindset.</li>
<li>Experience working in an Agile way, and ability to understand the trade-off between immediate value, future value, and technical options.</li>
<li>A strong ability to communicate ideas to audiences of varying technical background and seniority, and present key ideas and insights succinctly.</li>
<li>Independence in proposing and implementing solutions</li></ul><br>
<p></p>
<p>
Data Science expertise</p>
<ul>
<li>Solid grounding and experience in applying statistical modelling and machine learning in commercial settings, with proven experience in some of the following areas: Causal inference, MMMs, Bayesian inference, experimentation, multi-touch attribution, time series modelling.</li>
<li>Ability to select the right technique for a given objective and avoid pitfalls.</li>
<li>Curiosity, scepticism and attention to detail regarding data quality, samples, bias and ethics.</li></ul><br>
<p></p>
<p>
Production-grade design</p>
<ul>
<li>Advanced programming ability in Python and strong ability to use SQL, with a proven experience of developing complex solutions and working with large codebases as part of a team.</li>
<li>Solid understanding of setting up and working with production codebases, version control and CI/CD.</li>
<li>Practical experience working with cloud platforms and MLOps tools to build and maintain production-ready solutions.</li>
<li>Ability to lead technical conversations with Data/ML Engineers.</li></ul><br>
<p></p>
<p>
Development and coaching</p>
<ul>
<li>A strong awareness and understanding of technology trends and direction in Data Science, analytics and AI.</li>
<li>Ability to support in the development, training and mentoring of others</li></ul><br>
<p></p>
<p><b>
Essential Criteria</b></p>
<ul>
<li>Extensive experience in previous Data Science roles in a commercial setting</li>
<li>A record of building systems which run in production</li>
<li>A strong ability to communicate ideas to audiences of varying technical background and seniority</li>
<li>Independence in proposing and implementing solutions</li>
<li>Solid grounding and experience in applying statistical modelling and machine learning in commercial settings</li>
<li>Advanced programming ability in Python and strong ability to use SQL</li>
<li>Solid understanding of working with production codebases, version control and CI/CD.</li></ul><br>
<p></p>
<p><b>
Support we will provide</b></p>
<ul>
<li>A vibrant team to bounce ideas off and to support you with specialised knowledge (technical, stats/data science or business processes)</li>
<li>Mentoring from Data Science Managers</li>
<li>Automation and orchestration support from our integrated engineering and product teams within Nectar360</li>
<li>Technical and non-technical training and regular hackathons, learning days and knowledge sharing sessions.</li></ul><br>
<p></p>
<p>
We are committed to being a truly inclusive retailer so you&rsquo;ll be welcomed whoever you are and wherever you work. Around here, there&rsquo;s always the chance to try something new &mdash; whether that&rsquo;s as part of an evolving team or somewhere else across the business - and we take development seriously and promise to support you. We also recognise and celebrate colleagues when they go the extra mile and, where possible, offer flexible working. When you join our team, we&rsquo;ll also offer you an amazing range of benefits. Please see www.sainsburys.jobs for details.</p><br>
<p></p>
<p>
#DataAndAnalytics</p>
<p>
#DataScience</p>
<p>
#LI-CM1</p>
</div></div><div><div><p>We are committed to being a truly inclusive retailer so you&rsquo;ll be welcomed whoever you are and wherever you work. Around here, there&rsquo;s always the chance to try something new &mdash; whether that&rsquo;s as part of an evolving team or somewhere else across the business - and we take development seriously and promise to support you. We also recognise and celebrate colleagues when they go the extra mile and, where possible, offer flexible working. When you join our team, we&rsquo;ll also offer you an amazing range of benefits. Here are some of them: Starting off with colleague discount, you'll be able to save 10% on your shopping online and instore at Sainsbury's, Argos, TU and Habitat, and we regularly increase the discount to 15% at points during the year. We've also got you covered for your future with our pensions scheme and life cover. You'll also be able to share in our success as you may be eligible for a performance-related bonus of up to 20% of salary, depending on how we perform. Your wellbeing is important to us too. You'll receive an annual holiday allowance, and you can buy up to an additional week's holiday, and we provide private healthcare. We also offer other benefits that will help your money go further such as season ticket loans, interest free car loan of up to &pound;10k, cycle to work scheme, health cash plans, salary advance (where you can access some of your pay before pay day) as well access to a great range of discounts from hundreds of other retailers. And if you ever need it there is also an Employee Assistance Programme. Moments that matter are as important to us as they are to you which is why we give up to 26 weeks&rsquo; pay for maternity or adoption leave and up to 4 weeks&rsquo; pay for paternity leave. Please see www.sainsburys.jobs for a range of our benefits (note, length of service and eligibility criteria may apply).&quot;</p></div></div></div><p></p>

Senior Data Scientist

Muzz

<div>
 <p>
  <strong>
   London, UK - Hybrid (Tue, Wed &amp; Thur in Office)
  </strong>
 </p>
 <p>
  <strong>
   &pound;80,000 - &pound;90,000 + equity
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We&rsquo;re looking for a smart and ambitious data scientist, with real entrepreneurial flair to join our team and understand our members and all the metrics that matter. Love numbers and love being commercial? This role presents an opportunity to mold the future of the data science team, explore new ideas and new technologies.
 </p>
 <p>
  <br/>
 </p>
 <p>
  Muzz is the world&rsquo;s largest Muslim dating and marriage app. We&rsquo;ve got over 15 million members and have helped more than 800,000 couples get married. We&rsquo;re on our way to become the first $1 billion Muslim tech brand - but we need your help!
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Day to day
  </strong>
 </p>
 <ul>
  <li>
   You'll be joining a dynamic data science team whose goal is to grow the company and optimize our products as we expand into new markets around the world
  </li>
  <li>
   You'll be understanding our user behaviour on the platform with a view to generating actionable insights in terms of both product and marketing
  </li>
  <li>
   You'll work closely with our product, engineering and growth teams
  </li>
  <li>
   You'll be a proactive self-starter, driving innovation with a product focus
  </li>
  <li>
   You&rsquo;ll be diving into a range of data to solve our highest impact and complex challenges
  </li>
  <li>
   You'll own and evolve the production ML systems behind our personalization and recommendations serving millions of users
  </li>
  <li>
   You'll use AI tools as a core part of how you work and help set how the wider team gets the most out of them
  </li>
  <li>
   You'll raise the bar for the team - mentoring analysts and data scientists, and helping shape our technical standards and roadmap
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Requirements
  </strong>
 </p>
 <ul>
  <li>
   At least 5 years of experience in a Data Scientist or Machine Learning Engineer role
  </li>
  <li>
   Strong Python and SQL knowledge
  </li>
  <li>
   Strong grounding in the statistical methods behind personalization and recommendations models - e.g. embeddings, ranking, collaborative filtering
  </li>
  <li>
   Excellent written and verbal communication skills and presenting to non-technical audiences
  </li>
  <li>
   Commercial mindset with the ability to harness customer insights to optimise our marketing and products
  </li>
  <li>
   Ability to work collaboratively in cross-functional teams
  </li>
  <li>
   Passionate about solving complex and challenging data problems
  </li>
  <li>
   Experience in designing and conducting A/B experiments
  </li>
  <li>
   A proven track record of developing and owning production ML pipelines - including data processing, deployment, monitoring, retraining
  </li>
  <li>
   Demonstrated end-to-end ownership of significant ML projects - from framing the problem to shipping it, and through the messy realities of live performance, edge cases and iteration once real users hit it
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Nice to have
  </strong>
 </p>
 <ul>
  <li>
   Hands-on experience with recommender systems, with real-time or near-real-time updates and serving
  </li>
  <li>
   Experience in consumer-facing mobile-first products
  </li>
  <li>
   Experience with GCP platform - BigQuery/VertexAI
  </li>
 </ul>
 <p>
  <br/>
 </p>
</div>


marshmallow

<div><p>We&rsquo;re on a mission to make migration easy.</p><p></p><p>
We started building Marshmallow in 2017. Since then, we&rsquo;ve grown from 3 to 700+ people, gained unicorn status, raised ~&pound;140M over three funding rounds, turned profitable, insured millions of drivers and lent millions in car loans.</p><p></p><p>
But we&rsquo;re only just getting started. Our goal is to become one of the largest financial services providers in the world. Over the next 10 years we&rsquo;ll grow exponentially, not only by scaling our existing products, but also by building new ones.</p><p></p><p>
To achieve our goals we need incredibly ambitious, commercially driven people who never settle for &lsquo;good enough&rsquo;. Marshmallowers are hungry for autonomy and ownership, and would rather improve than coast. Everyone raises standards and has an impact, with a focus on collective success over self-interest.</p><p></p><p>
We&rsquo;ve created an environment where curious, tenacious people win and grow together. If that sounds motivating, this could be the place for you.</p><p></p><h1 class="jobSectionHeader"><b>
London (hybrid, 3 days in office)</b></h1><div>
</div><h1 class="jobSectionHeader"><b>
Data Science at Marshmallow</b></h1><p>
Our <b>Data Science team</b> partners across the business to turn data into better decisions, smarter products, and simpler customer journeys. We work closely with Product, Engineering, and Operations to build and ship models and AI systems that are reliable in production and deliver measurable impact.</p><p>
Within Data Science, this role sits in <b>Claims</b>, supporting the function and the broader ambition to automate more of the claims journey. Claims is one of Marshmallow's most important customer touchpoints, and we're looking for a Senior Data Scientist who can provide technical expertise across traditional ML and Generative AI, bring system-level thinking to how we scale decisioning, and confidently challenge proposals to ensure we build robust, sustainable solutions.</p><div><br>
</div><h2 class="jobSectionHeader"><b>
What you'll be doing</b></h2><ul><li><p>
Build and iterate on multimodal AI models that reduce claims cost and improve claims processing, including models that analyse emails, documents, and claim summaries for operational teams</p></li><li><p>
Develop machine learning models that support claims automation, including use cases such as negotiation strategies, litigation strategies, and total loss prediction</p></li><li><p>
Explore and evaluate new data sources that could improve model performance and decision-making, such as fraud signals, open banking, and telematics data</p></li><li><p>
Design and build agentic AI solutions to automate and streamline claims workflows</p></li><li><p>
Collaborate closely with Product, Data, and Engineering teams to test hypotheses, develop new features, and turn ideas into production-ready solutions</p></li><li><p>
Work with the MLOps team to improve data science and AI model infrastructure, including deployment, monitoring, evaluation, and feedback loops</p></li><li><p>
Help define the right technical approach for problems, balancing speed, quality, and scalability while ensuring solutions are practical for the business</p></li><li><p>
Set a strong standard for experimentation, measurement, and model performance, helping the team understand impact, uncertainty, and trade-offs clearly</p></li></ul><h2 class="jobSectionHeader"><b>
Who You Are</b></h2><ul><li><p>
You think in systems: you can connect the dots between data science, engineering, and product to shape scalable solutions that build on each other over time.</p></li><li><p>
You're confident in challenging assumptions and pushing for the right approach, using strong communication skills to influence stakeholders across seniority levels and disciplines with clear, pragmatic reasoning.</p></li><li><p>
You thrive in ambiguity and change, staying resilient and effective during transitions while bringing structure, clarity, and momentum to complex problem spaces.</p></li><li><p>
You're motivated by real-world impact, partnering closely with cross-functional teams to drive meaningful automation and better customer outcomes across the claims journey.</p></li></ul><h2 class="jobSectionHeader"><b>
What You'll Bring</b></h2><ul><li><p>
Strong commercial experience delivering end-to-end machine learning solutions, from problem framing and experimentation through to production deployment and ongoing monitoring</p></li><li><p>
Hands-on experience <b>building and shipping</b> production AI or machine learning systems, including evaluation, quality considerations, and integration into operational workflows</p></li><li><p>
Experience working on applied problems involving structured and unstructured data, with an interest in multimodal modelling and AI systems</p></li><li><p>
A strong statistical and modelling foundation, with experience working on risk-based decisioning or other complex, uncertain problem domains</p></li><li><p>
Proven ability to work cross-functionally with Product, Engineering, Operations, and MLOps to deliver scalable solutions</p></li><li><p>
Strong communication and stakeholder management skills, with confidence in discussing trade-offs and pushing back constructively when needed</p></li></ul><div><br>
</div><h2 class="jobSectionHeader"><b>
Perks of the job</b></h2><ul><li><p>
Bonus scheme designed to reward high performance</p></li><li><p>
Private medical insurance with Vitality, mental health support with Oliva</p></li><li><p>
Personal learning budget and 2 dedicated L&amp;D days a year</p></li><li><p>
Monthly flexible benefits budget to spend as you choose</p></li><li><p>
25 days holiday plus bank holidays</p></li><li><p>
4 weeks Work From Anywhere per year</p></li></ul><div></div><p><b><br>
We are able to offer visa sponsorship for this position.</b></p><div><br>
</div><h2 class="jobSectionHeader"><b>
Our process</b></h2><ul><li><p>
Initial call with a member from our Talent Team (30 mins)</p></li><li><p>
Past Experience interview with Hiring Manager (60 mins)</p></li><li><p>
Technical interview with a couple of the team (90 mins)</p></li><li><p>
Culture interview (60 mins)</p></li></ul><p><b>
Diversity of thought</b></p><p>
We know the best ideas come from having different perspectives in the room - and we're committed to hiring fairly, regardless of background, identity or experience. If you see yourself in this role, we'd encourage you to apply.</p></div>

Merlin Entertainments

<div><h2 class="jobSectionHeader"><b>What you'll bring to the team
</b></h2><div><div><div><div><b>Senior Data Scientist</b></div><div><b>
Location:</b> London/Hybrid</div><div><b>
Hours:</b> 37.5 hours per week</div><div><b>
Contract: </b>Permanent - Salaried</div><div></div><div><br>
You are a senior technical authority within the Data Science capability. You are responsible not only for building models, but for defining what should be built, ensuring quality, and bridging the gap between business outcomes and technical delivery.</div><div></div><div><b><br>
Responsibilities:</b></div><ul><li>
Build and deploy predictive models and advanced analytics solutions for high-value use cases.</li><li>
Own the most complex and high-impact modelling problems.</li><li>
Ensure robustness, explainability, and performance of models in production.</li><li>
Define the features and datasets required for modelling.</li><li>
Collaborate with the Lead Data Modeller to shape semantic definitions and structures.</li><li>
Work with Engineering to ensure pipelines support modelling needs.</li><li>
Translate business problems into analytical approaches.</li><li>
Challenge poorly defined requests and drive clarity on outcomes.</li><li>
Communicate trade-offs between model complexity, data availability, and delivery timelines.</li><li>
Establish and enforce best practices for modelling, evaluation, and deployment.</li><li>
Implement peer review processes for models and code.</li><li>
Ensure ethical and responsible use of data and AI.</li><li>
Mentor junior and mid-level Data Scientists.</li><li>
Support capability development and knowledge sharing.</li><li>
Act as a confident voice in shaping Data Science practices.</li><li>
Work closely with the Lead Data Modeller to define &lsquo;Gold&rsquo; data required for analytics.</li><li>
Partner with Data Engineers to ensure model readiness and operational deployment.</li><li>
Align with Delivery Lead on prioritisation and feasibility.</li></ul><p></p><div><div><div><div><div><div><div><div><br>
Merlin - It's where we playMerlin Entertainments</div><p></p><div><div><div>
Merlin Entertainments2.17K subscribers</div></div></div></div></div></div><div></div><div><div><div><div><div>
Watch on</div></div></div></div></div></div></div></div></div><div></div>
</div></div></div><h2 class="jobSectionHeader"><b>Qualifications &amp; Experience
</b></h2><div><div><div><ul><li>Degree in a relevant field such as Computer Science, Mathematics or Engineering.</li><li>
At least 4 years of experience in a data science or statistical role with a proven track record of delivering impactful solutions.</li><li>
Experience in developing and deploying machine learning models and statistical analysis.</li><li>
Familiarity with distributed computing tools and cloud platforms (e.g., Azure Synapse, Snowflake, Databricks).</li><li>
Experience with data transformation and analytics tools (e.g., Python, SQL, Spark SQL).</li><li>
Proven ability to work with large datasets and complex data structures.</li><li>
Strong background in applying statistical and machine learning techniques to solve business problems.</li></ul>
</div></div></div><h2 class="jobSectionHeader"><b>Benefits
</b></h2><div><div><div><ul><li>&lsquo;Enjoy the Ride&rsquo; Merlin Annual Passes - 6 in total per year, 1 for you, plus 5 to gift to loved ones!</li>
<li>Merlin Magic Pass - 20 free tickets for you, your family and friends to enjoy all our Merlin Attractions across the world rising to 40 after a year&rsquo;s service</li>
<li>33 days holiday (including bank holidays)</li>
<li>Company bonus</li>
<li>Private pension scheme</li>
<li>40% discount online off LEGO</li>
<li>25% discount in our on-site retail shops and restaurants</li>
<li>Ongoing training and development opportunities</li>
<li>Plus, many more&hellip;</li></ul><br>
<div></div>
<div><b>
If you have any questions or if you require any assistance, because of a disability or medical condition, please contact us by email at Recruitment@Merlinentertainments.biz and one of the team will get back to you as soon as possible.</b></div>
<div></div>
</div></div></div><h2 class="jobSectionHeader"><b>Pay Range
</b></h2><div><div><div>Competitive</div></div></div></div>
<br><div>At Merlin we welcome the world to our magical attractions and resorts every day and we want to reflect that same multicultural mix inside our business too. We strive to create an inclusive and diverse workplace where people can be themselves, have the same opportunities and thrive together. Because at Merlin, everyone matters!
<br>
<br>
Together, we work to create a workplace where everyone feels valued, no matter their age, race, gender, disability or sexual orientation. Although we understand that we'll always be learning and growing, we aim to be the most inclusive and flexible employer in our industry.</div>

SENIOR DATA SCIENTIST

Relay Technologies

<div><p><b>Relay is fundamentally reshaping how goods move in an online era.</b> Backed by Europe&rsquo;s largest-ever logistics Series A ($35M), led by deep-tech investors Plural (whose portfolio spans fusion energy and space exploration), Relay is scaling faster than 99.98% of venture-backed startups. We're assembling the most talent-dense team the logistics industry has ever seen</p><p><b>
Relay&rsquo;s Mission is</b> to <b>free commerce from friction</b>. Today, high delivery costs act as a hidden tax on e-commerce, quietly shaping what can be sold online and limiting who can participate. We envision a world where <b>more goods move more freely between more people</b>, making the online shopping experience seamless and accessible to everyone.</p><p></p><div><b>
THE TEAM</b><br>
<ul><li><b>~110 people</b>, more than <b>half</b> in engineering, product and data</li><li><b>45+ advanced degrees</b> across computer science, mathematics and operations research</li><li><b>Thousands</b> of data points captured, calculated, analysed and predicted for every single parcel we handle</li><li>An intellectually vibrant culture of <b>first‑principles thinking</b>, tight feedback loops and relentless experimentation</li></ul></div><div></div><p><b><br>
The Opportunity
</b></p><p>A last-mile marketplace runs on decisions &mdash; which parcels? on which routes? delivered by which couriers? at what price? Thousands of them, made every single day. Good decisions have fast and meaningful impact across the entire Relay Network. Our Operational Research team are responsible for the intelligent systems that optimise the most complex decisions across our network.</p><p>
As the first Operational Research Scientist in Last Mile Marketplace, you will design, build and evolve the optimisation models and solvers that sit at the heart of Relay's last-mile network &mdash; These are production Decision systems that shape how Relay operates every day.</p><p>
This is a senior individual contributor role. You will work alongside Data Scientists, Analysts, and Engineers in a squad focussed on developing the tech defining our last mile marketplace.</p><p>
This role sits within Relay&rsquo;s Data function, joining a dedicated Operational Research team, reporting into the Staff Decision Systems Architect.</p><div></div><p><b><br>
What You'll Do</b></p><ul><li><p>
Translate operational requirements into optimisation models across scheduling, assignment and pricing problems.</p></li><li><p>
Develop and evaluate solution approaches &mdash; drawing on knowledge of mathematical programming and meta-heuristics.</p></li><li><p>
Design and build algorithms, heuristics and solvers bespoke for the unique problems you formulate.</p></li><li><p>
Ensure your solutions are scalable and adaptable to our growing operation.</p></li><li><p>
Benchmark and evaluate the performance of your solutions</p></li><li><p>
Work closely with engineering to productionise your solutions into automated daily processes</p></li><li><p>
Work with analytics to monitor the daily performance of your solution, using this information to proactively evolve your solution to make better decisions.</p></li></ul><div></div><p><b><br>
Who Will Thrive in This Role?</b></p><ul><li><p>
You want to be close to the problems you are optimising, and decisions your solutions will make, getting hands-on in the network to see the outcome of your work first hand.</p></li><li><p>
You have relevant operational research experience in heuristics and/or mathematical programming.</p></li><li><p>
You are comfortable coding in a general purpose or performance language, such as Python, Rust, Julia or C++</p></li><li><p>
You enjoy the challenge of solving large-scale optimisation problems</p></li><li><p>
You are motivated to work on production systems, learning from the realised outcome of your optimisation model every day, and proactively evolving your solution.</p></li><li><p>
You love understanding problems deeply, crafting bespoke solutions to unique dynamics of the decision being made.</p></li><li><p>
You are excited to work in a cross-functional tech team designing and building Relay&rsquo;s Last Mile Marketplace</p></li><li><p>
You care about the people your work affects &mdash; couriers, retailers, and consumers all feel the decisions these systems make</p></li></ul><div></div><p><b><br>
Fast and Focused Hiring Process</b></p><ul><li><p>
Talent Acquisition Interview - 30mins | Online</p></li><li><p>
Hiring Manager Interview - 45mins
</p></li><li><p>Python Live Coding - 60mins
</p></li><li><p>Case Study - 60mins
</p></li><li><p>Relay Operating Principles &amp; Impact- 60mins
</p></li><li><p>Decision and offer within 48 hours. Our process mirrors our pace of work.</p></li></ul><div></div><p><b><br>
Compensation &amp; Benefits</b></p><ul><li><p><b>
Generous equity, richer than 99% of European startups</b>, with <b>annual top-ups</b> to share Relay&rsquo;s success.</p></li><li><p><b>
Private health &amp; dental coverage</b>, so comprehensive you&rsquo;d need to be a partner at a Magic Circle law firm to match it.</p></li><li><p><b>
25 days of holidays</b></p></li><li><p><b>
Enhanced parental leave</b>.</p></li><li><p><b>
Hardware of your choice</b>.</p></li><li><p><b>
Extensive perks </b>(gym subsidies, cycle-to-work, Friday office lunch, covered Uber home and dinner for late nights, and more).</p></li></ul><div></div><p><b><br>
Who Thrives at Relay?</b></p><ul><li><p><b>
Aim with Precision:</b> You define problems clearly and measure your impact meticulously.</p></li><li><p><b>
Play to Win:</b> You chase bold bets, tackle the hard stuff, and view constraints as fuel, not friction.</p></li><li><p><b>
1% Better Every Day</b>: You believe that small, consistent improvements lead to exponential growth. You move quickly, deliver results, and learn from every experience.</p></li><li><p><b>
All In, All the Time</b>: You show up and step up. You take ownership from start to finish and do what it takes to deliver when it counts.</p></li><li><p><b>
People-Powered Greatness</b>: You invest in your teammates. You give and receive feedback with care and candour. You build trust through high standards and shared success.</p></li><li><p><b>
Grow the Whole Pie</b>: You seek out win-win solutions for merchants, couriers, and our customers, because when they thrive, so do we.<br>
<br>
If these resonate, and you combine strong technical fundamentals with entrepreneurial drive, let&rsquo;s connect.</p></li></ul><p></p><p><i>
Relay is an </i><b><i>equal-opportunity employer </i></b><i>committed to diversity, inclusion, and fostering a workplace where everyone thrives.</i></p></div>

Senior Data Scientist - Operational Research

dunnhumby

<div><div><p>dunnhumby is the global leader in Customer Data Science, partnering with the world's most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology, and close collaboration to help our clients grow, innovate, and deliver measurable value for their customers.</p>
<p>
dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Nestl&eacute;, Unilever and Metro.</p></div><div></div><p><br>
We're looking for a <b>Senior Applied Data Scientist</b> who expects more from their career. This is an opportunity to apply your expertise to distil complex problems into meaningful, actionable insights -leveraging world-first science, cutting-edge machine learning techniques and human creativity to deliver impactful solutions for clients.</p><br>
<p></p>
<p>
Joining our advanced data science team, you'll be responsible for the ongoing implementation, support and development of complex models and applications, working alongside exceptionally talented colleagues who are challenging and rewriting the rules rather than simply following them.</p><p><br>
Our team works closely with Tesco to solve some of the most interesting and challenging problems in the category management space. We work collaboratively with our client leadership team and with our clients, to build solutions that are re-usable, scalable and deliver measurable value. You'll drive change, shape innovative solutions, and actively redefine how organizations harness data.</p><br>
<p></p>
<p><b>
What we expect from you</b></p>
<ul>
<li>Degree in Statistics, Mathematics, Physics, Economics, or a related quantitative field</li>
<li>Strong programming skills &mdash; Python and SQL are essential; PySpark experience is highly advantageous</li>
<li>Experience with version control tools (e.g. GIT)</li>
<li>Solid understanding of analytical technologies, tools, and techniques</li>
<li>Excellent logical thinking and problem‑solving abilities</li>
<li>Strong communication skills, with the ability to explain complex concepts clearly to non‑technical audiences</li>
<li>Proven experience in statistical modelling and applying data science solutions to real client problems</li>
<li>A passion for connecting technical work to real customer outcomes, delivering clear and measurable impact</li>
<li>Comfortable building new workstreams from the ground up, including defining direction, structure, and stakeholder alignment</li>
<li>Background in retail analytics (especially exposure to Category Management) is advantageous</li>
</ul><div><p><b>
What you can expect from us</b></p>
<p>
We won't just meet your expectations. We'll defy them. So you'll enjoy the comprehensive rewards package you'd expect from a leading technology company. But also, a degree of personal flexibility you might not expect. Plus, thoughtful perks, like flexible working hours and your birthday off.</p>
<p>
You'll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn.</p>
<p>
And we don't just talk about diversity and inclusion. We live it every day &ndash; with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One, dh Enabled and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you.</p>
<p><b>
Our approach to Flexible Working
</b></p><p>At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work.</p>
<p>
We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process.</p>
<p>
For further information about how we collect and use your personal information please see our Privacy Notice which can be found <b>(here)</b></p></div></div>

Senior Applied Data Scientist

Boston Consulting Group (BCG)

<div>
 Who We Are
 <br/>
 <br/>
 Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact.
 <br/>
 <br/>
 To succeed, organizations must blend digital and human capabilities. Our diverse, global teams bring deep industry and functional expertise and a range of perspectives to spark change. BCG delivers solutions through leading-edge management consulting along with technology and design, corporate and digital ventures&mdash;and business purpose. We work in a uniquely collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive.
 <br/>
 <br/>
 What You'll Do
 <br/>
 <br/>
 Are you passionate about harnessing the power of Generative AI to solve real-world
 <br/>
 <br/>
 problems? As a world-renowned and leading AI Consulting firm, we are actively
 <br/>
 <br/>
 seeking hands-on GenAI experts to join our PSG BI&amp;A Team.
 <br/>
 <br/>
 As a GenAI IT Senior Data Scientist you will work closely with our Partner Services
 <br/>
 <br/>
 Group to understand their key challenges, define GenAI products, win buy-in for your
 <br/>
 <br/>
 recommendations and collaborate with other IT teams to transform stakeholder
 <br/>
 <br/>
 potentials into performance.
 <br/>
 <br/>
 Finally, as a GenAI IT Senior Data Scientist, you will contribute to PSG BI&amp;A Data
 <br/>
 <br/>
 Science expertise and will be responsible for overseeing end-to-end Data Science and
 <br/>
 <br/>
 GenAI solutions, collaborating closely with the BI&amp;A Squad to deliver on stakeholder
 <br/>
 <br/>
 objectives.
 <br/>
 <br/>
 What You'll Bring
 <br/>
 <br/>
 We&rsquo;re looking for exceptional talent with experience in core Data Science and AI
 <br/>
 <br/>
 <strong>
  To Join Us. You Will Typically Have
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   +4 years experience in IT strategy and consulting, professional software
   <br/>
   <br/>
  </li>
 </ul>
 development or Data Science product organisation.
 <br/>
 <br/>
 <ul>
  <li>
   A bachelor's or master&rsquo;s degree in computer science, Engineering, or a related
   <br/>
   <br/>
  </li>
 </ul>
 field. Preferably with a focus on artificial intelligence, machine learning, or
 <br/>
 <br/>
 data science.
 <br/>
 <br/>
 <ul>
  <li>
   Strong Data Science experience with proficiency in Python, Snowflake, DBT
   <br/>
   <br/>
  </li>
 </ul>
 and Tableau with experience working in a Data Engineering team and a
 <br/>
 <br/>
 proven ability to communicate effectively and provide clear, actionable
 <br/>
 <br/>
 insights to senior stakeholders
 <br/>
 <br/>
 <ul>
  <li>
   Strong technical expertise in Generative AI, Data Science and Machine
   <br/>
   <br/>
  </li>
 </ul>
 Learning.
 <br/>
 <br/>
 <ul>
  <li>
   A strategic thinker, entrepreneurial, able to work creatively and analytically in
   <br/>
   <br/>
  </li>
 </ul>
 a problem-solving environment
 <br/>
 <br/>
 <ul>
  <li>
   Outstanding analytical and conceptual skills, strong customer focus and
   <br/>
   <br/>
  </li>
 </ul>
 mental agility with a results orientation
 <br/>
 <br/>
 <ul>
  <li>
   Sound understanding of GenAI solution constructs e.g., LLMs, RAG,
   <br/>
   <br/>
  </li>
 </ul>
 Guardrails, MLOps and multi-modality
 <br/>
 <br/>
 <ul>
  <li>
   Experience managing and executing data science and AI projects, from
   <br/>
   <br/>
  </li>
 </ul>
 ideation to deployment, while ensuring alignment with business objectives
 <br/>
 <br/>
 and delivering impactful outcomes
 <br/>
 <br/>
 <ul>
  <li>
   Understanding of various GenAI platform &amp; middleware and how they fit in
   <br/>
   <br/>
  </li>
 </ul>
 GenAI architecture e.g., AWS Bedrock, Google Vertex, Langchain or
 <br/>
 <br/>
 LlamaIndex
 <br/>
 <br/>
 <ul>
  <li>
   Able to understand &amp; apply advanced prompt engineering methods and
   <br/>
   <br/>
  </li>
 </ul>
 related concepts (RAG, context windows, memory) RAG is a must!
 <br/>
 <br/>
 <ul>
  <li>
   Experience in the organisation of workshops at peer level and facilitating
   <br/>
   <br/>
  </li>
 </ul>
 meetings
 <br/>
 <br/>
 <ul>
  <li>
   Ability to work autonomously while contributing effectively as part of a team
  </li>
  <li>
   Strong business acumen; can frame complex problems in appropriate
   <br/>
   <br/>
  </li>
 </ul>
 business contexts
 <br/>
 <br/>
 <ul>
  <li>
   Highly professional and rigorous, results-oriented, driven and hard-working
  </li>
  <li>
   Have excellent verbal and written communication skills in English
  </li>
  <li>
   Loyal and reliable, possessing the highest ethical standard
  </li>
  <li>
   Good interpersonal skills but also judgement independency and autonomy
  </li>
  <li>
   Ability to propose innovative ideas, build empathy within the firm and win the
   <br/>
   <br/>
  </li>
 </ul>
 trust of key stakeholders
 <br/>
 <br/>
 Who You'll Work With
 <br/>
 <br/>
 You will be part of the PSG BI&amp;A Squad and our IT Functional Technology team,
 <br/>
 <br/>
 partnering with the AI Center of Excellence (AI CoE), Genie team, Responsible AI,
 <br/>
 <br/>
 and Security/Architecture teams. Together, you&rsquo;ll deliver scalable, secure, and
 <br/>
 <br/>
 innovative GenAI solutions that will transform how PSG teams engage with
 <br/>
 <br/>
 technology.
 <br/>
 <br/>
 Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity / expression, national origin, disability, protected veteran status, or any other characteristic protected under national, provincial, or local law, where applicable, and those with criminal histories will be considered in a manner consistent with applicable state and local laws.
 <br/>
 <br/>
 BCG is an E - Verify Employer. Click here  for more information on E-Verify.
</div>


Global IT Data Scientist Senior Specialist

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Senior Data Scientist - Operational Research

Senior Applied Data Scientist

Global IT Data Scientist Senior Specialist