backend developer Jobs in London United Kingdom

backend developer

frontend developer

Fynity

Frontend Web DeveloperThis is an initial 12-month Fixed-term Contract (Maternity cover) with the view to make it permanent.Location: Fully Remote (UK)Salary: £35,000 - £42,000 (DOE)The role:We enjoy making the complex simple from our clients. We create websites, campaigns and digital products for professional services clients, arts, fashion, and e-retailers. You'll be working with an experienced team across a range of clients. You'll assist with maintaining and developing new functionalities on existing sites and work of new sites where you will take ownership of translating designs into finished products that perform highly. We are proud of our long-term client relationships, and you'll be helping us maintain them by keeping the websites under our care in good shape.It is important that you can push and challenge the team's approach to tasks to ensure that we deliver high quality services to clients. You will work closely with the creative team developing and prototyping ideas. Strong attention to detail and caring about your work is crucial to us. It's not just about getting a project across the line but setting it up for on-going development and supportJob description:Required skills:<ul> <li>Strong HTML, CSS (We use Tailwind CSS), PHP and JavaScript skills.</li><li>Ability to translate designs into responsive sites.</li><li>Knowledge of working with CMSs - we use Craft CMS and Craft Commerce.</li><li>Experience of version control with Git.</li><li>You'll love consistent naming convention.</li><li>Documentation skills to maintain the accuracy and completeness of project documents.</li></ul> Desired skills:<ul> <li>Experience building emails.</li><li>Experience building commerce sites.</li></ul> What you'll expected to do:<ul> <li>Work on a variety of projects assigned to you, building sites from initial designs to finished, functioning articles. Your output will range from individual templates, to landing pages, complex multipage brochure websites and high performing Craft Commerce sites.</li><li>Manage complexity - Using HTML, CSS and JavaScript, alongside the twig templating language you'll build accessible, mobile first, Craft CMS sites that are enhanced by advanced interactive functionality.</li><li>Build e-commerce sites on Craft Commerce.</li><li>Collaborate with project managers and other team members to understand project requirements and develop solutions that meet those requirements.</li><li>Client management - Occasionally attending or leading calls with clients to explain technical details, amends or manage delivery timelines.</li><li>Test websites across browsers and devices to identify and fix any responsive, performance or accessibility-based issues that ensure the best user experience for all.</li><li>Have good attention to detail and problem-solving skills</li><li>Participate in the team - for example attend social (virtual) events.</li></ul> If you are interested please apply ASAP. The People Network is an employment agency and will respond to all applicants within three - five working days. If you do not hear within these timescales please feel free to get in touch.

Frontend Developer

TXP Technology x People

Senior Software Developer - Python 12-Month Contract Inside IR35 Role Details <ul> <li> Location: London or Manchester (2 days/week onsite + monthly team rotation) </li><li> Duration: 12 months </li><li> Clearance: BPSS to start; active SC required due to timsecale of the project </li><li> Team: 10 direct reports, part of a 60+ programme </li><li> Experience: 4+ years </li></ul> Essential Skills Technical: <ul> <li> Strong Python development (primary focus), Ruby experience desirable </li><li> Experience across multiple services, particularly data services </li><li> Docker, Kubernetes, Git/version control </li><li> API development and integration </li><li> Agile working practices and adherence to technical standards </li></ul> Approach: <ul> <li> Pride in writing high-quality, well-documented code </li><li> Ownership of the full development process </li><li> Collaborative working with user-centered design (UCD) teams </li><li> Thrives in small, agile, multi-disciplinary teams </li></ul> Key Responsibilities: <ul> <li> Develop Python-based applications and data services </li><li> Build and maintain APIs and open data platforms </li><li> Ensure code is of high quality and well-documented </li><li> Work closely with UCD teams and technical experts in an agile environment </li></ul> What We're Looking For: <ul> <li> Senior Python developer with strong focus on code quality </li><li> Experience working with data services </li><li> Comfortable working in small, agile teams and collaborating with UCD teams </li></ul>

Senior Software Developer - Python

eTeam Inc

Role Title: Radar Live Product Configuration DeveloperLocation: LondonDuration: 31/03/2026Days on site: 2 daysRole Description:We are seeking a skilled and detail-oriented Radar Live Product Configuration Developer to join our growing insurance technology team. You will be responsible for configuring, customizing, and maintaining pricing models in Radar Live platform to support our underwriting and rating processes. This is a hands-on technical role involving close collaboration with actuarial, underwriting, and IT teams. Key Responsibilities: • Develop and configure pricing structures, rules, and decision logic using Radar Live.• Translate actuarial models and business requirements into accurate technical implementations.• Design and manage test cases to validate pricing configuration and ensure consistency.• Maintain version control and deployment pipelines for Radar Live configurations.• Collaborate with cross-functional teams including actuaries, underwriters, and IT professionals.• Monitor system performance and troubleshoot issues with pricing models and integrations.• Ensure compliance with industry regulations and internal governance standards.• Participate in peer reviews and contribute to best practices in Radar Live development. Required Skills & Qualifications: • Strong experience with Radar Live and Radar Base configuration.• Proficient in scripting logic, rating algorithm development, and pricing rule configuration.• Knowledge of insurance pricing, underwriting processes, and actuarial principles.• Familiarity with JSON, XML, or similar data structures used for model inputs/outputs.• Experience integrating Radar Live with policy administration systems (e.g., Guidewire, Duck Creek) is a plus.• Strong analytical and problem-solving skills.• Excellent communication and documentation abilities.• Understanding of cloud-based deployment environments (e.g., Azure, AWS).• Experience with CI/CD pipelines for Radar model deployment.

Radar Live Product Configuration Developer

MORRIS SINCLAIR RECRUITMENT LTD

<ul> <li>Remote roles for award-winning specialist agricultural software company.</li><li>Delivering sustainable farming data-driven technology solutions.</li><li>Degree educated with proven track record as C#/.Net Back-End Developer.</li></ul> Remote-Friendly Software Development Opportunity in Agricultural TechnologyJoin an award-winning agricultural analytics software company at the forefront of sustainable technology. We're seeking exceptional Back-End Developers who can transform data into impactful solutions that enhance food production, farm economics, and environmental resilience.Position Highlights:<ul> <li>Remote Work</li><li>London based head office</li><li>Cutting-Edge Agricultural Technology Platform</li><li>Opportunity to Drive Sustainability through Innovative Software Solutions</li></ul> Candidate Assessment Process:<ul> <li>LeetCode-Style Coding Challenge</li><li>Designed to evaluate algorithmic problem-solving skills</li><li>Focus on efficient, optimised solutions</li><li>Challenges will test: <ul> <li>Data Structures</li><li>Algorithm Design</li><li>Computational Thinking</li><li>Performance Optimisation</li></ul> </li></ul> Ideal Candidate Profile:Academic and Professional Requirements:<ul> <li>Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent</li><li>Proven Commercial Experience as a Back-End Microsoft Developer</li><li>Strong Academic Background with Demonstrable Achievements</li><li>Proven ability to excel in time-constrained, algorithmic problem-solving</li></ul> Technical Expertise:<ul> <li>Advanced Proficiency in: <ul> <li>C# and .NET Framework</li><li>Microsoft Azure Cloud Platform</li><li>SQL and SQL Server</li><li>Complex Data-Driven Software Development</li><li>Strong Algorithm and Data Structure Knowledge</li></ul> </li></ul> Preferred Background:<ul> <li>Experience in FinTech or Similar Structured Data Environments</li><li>Demonstrated Ability to Scale Applications for Large User Base</li><li>Previous success in technical coding assessments</li></ul> Personal Attributes:<ul> <li>Exceptional Attention to Detail</li><li>Strong Collaborative and Communication Skills</li><li>Creative Problem-Solving Approach</li><li>Quick Analytical Thinking</li><li>Ability to perform under time pressure</li><li>Passion for Technological Innovation in Sustainability</li></ul> What We Offer:<ul> <li>Work with Respected Professionals</li><li>Cutting-Edge Technology Solutions</li><li>Meaningful Impact on Agricultural Sustainability</li><li>Opportunity to Develop Market-Leading Software</li><li>On top of the very competitive salary all employees are included in the company share scheme</li></ul>

Senior .Net Developer

<ul> <li>Fully Remote</li><li>Award-Winning Agricultural Technology Software Company</li><li>Competitive salary plus company share scheme</li></ul> Chief Technology Officer (CTO) - Hands-On Back-End Developer Remote-Friendly London HQ Award-Winning Agricultural Technology Software CompanyJoin an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology.We're seeking a hands-on Chief Technology Officer (CTO) - an exceptional technical leader who thrives on both strategic vision and deep technical execution. Role Overview As CTO, you'll lead the technical direction of our cutting-edge agricultural technology platform, while remaining deeply involved in hands-on back-end development. You'll architect scalable systems, drive innovation in sustainable technology, and guide a talented engineering team to deliver data-rich solutions that improve farm economics, productivity, and environmental impact. Key Responsibilities <ul> <li>Lead technical strategy and oversee architecture for scalable, data-driven systems.</li><li>Remain actively hands-on, designing and developing high-performance C#/.NET back-end systems.</li><li>Mentor and guide a growing team of developers - setting technical standards and driving best practices.</li><li>Oversee end-to-end solution delivery, ensuring performance, security, and maintainability.</li><li>Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction.</li><li>Own cloud infrastructure strategy and implementation on Microsoft Azure.</li><li>Lead innovation in sustainability-focused agricultural technology and analytics.</li><li>Contribute to recruitment and technical assessment (including coding challenge design and review).</li></ul> Candidate Assessment ProcessOur selection process includes a LeetCode-style technical challenge to evaluate: <ul> <li>Algorithmic problem-solving</li><li>Data structures and computational efficiency</li><li>Code quality and optimisation under time constraints</li></ul> Ideal Candidate Profile Academic and Professional Background <ul> <li>Degree/Masters/PhD in Computer Science, Data Science, or a related discipline</li><li>Proven experience as a Back-End Developer / Engineering Lead / CTO in data-heavy environments</li><li>Demonstrable history of technical excellence and leadership in commercial software development</li></ul> Technical Expertise <ul> <li>Advanced proficiency in C# / .NET Core / .NET Framework</li><li>Strong command of Azure Cloud Services</li><li>Deep experience with SQL Server and high-volume transactional systems</li><li>Expertise in data architecture, performance optimisation, and scalable software design</li><li>Solid understanding of algorithms, data structures, and computational complexity</li><li>Bonus: Experience in FinTech or structured data environments with high reliability and scale</li></ul> Leadership Skills <ul> <li>Visionary mindset with a hands-on engineering ethos</li><li>Proven ability to scale teams and systems effectively</li><li>Strategic decision-making with practical, code-level insight</li><li>Strong communicator and collaborator across multidisciplinary teams</li><li>Passion for fostering innovation and mentoring engineering talent</li></ul> Personal Attributes <ul> <li>Exceptional attention to detail and analytical rigour</li><li>Strong communication and collaboration skills</li><li>Innovative and pragmatic problem solver</li><li>Calm and decisive under pressure</li><li>Genuine passion for sustainable technology and real-world impact</li></ul> What We Offer <ul> <li>Remote flexibility with a London-based HQ</li><li>Opportunity to lead cutting-edge agricultural technology development</li><li>Work alongside respected professionals in a purpose-driven company</li><li>Competitive salary plus company share scheme</li><li>Platform to make a tangible impact on global sustainability</li></ul>

Chief Technology Officer CTO - Hands-On Back-End Developer

LJM Recruitment

LJM RECRUITMENT is representing multiple companies based in Central London. Enthusiastic, disruptive, and collaborative teams, that are always ready to innovate and revolutionize the fast-paced Fintech dimension. If you want to develop your professional career in Finance and join an international environment, this is your place. Ready to join the revolution?Join as a Business Developer where you will gain extensive knowledge from industry-leading professionals. Throughout your career, you will be supported through our world-class LJMR Academy, where you will learn about macroeconomics, Foreign Exchange, International payments, and other financial products, incorporating this knowledge into your sales techniques. Those who excel in what is a highly meritocratic and fast-paced environment will be rewarded and may, for truly outstanding performance. Even with tremendous growth, we maintain a vibrant and enjoyable company culture. Your personal development is our business. You are our leaders of tomorrow!Responsibilities<ul><li>You will create, manage, and develop new business client opportunities, from cold calling to close of business, working alongside an experienced team.</li><li>Generate Leads Through cold approaches, develop a database of leads/prospective clients segmented by industry sector and by foreign exchange turnover, as well as trade finance perspective.</li><li>Take advantage of LJMR's cutting-edge, data-driven lead sourcing technology "Sonar".</li><li>Attend exhibitions, networking events, or others as indicated by management where potential new business opportunities could be pursued.</li><li>Create the LJMR Value Proposition Research the client and sector to identify possible client needs and solutions LJMR can offer.</li><li>Present LJMR services to prospects and create solutions for their foreign exchange, hedging, payment, and/or trade finance requirements. Where appropriate set up meetings for you and a more senior colleague to visit the client and close business. Increase your market knowledge and develop relationships with clients by keeping them up to date on currency market movements.</li><li>Demonstrate value by helping them make more informed decisions about managing their risk.</li><li>Win Business and Create Opportunities</li><li>Manage the relationship with our key account management team to speed up the conversion from the sign-up to the first trade (engage with a client and manage the handover to the account manager).</li></ul>Business Developers will have opportunities to move to more senior sales positions, from Industry Sector Specialist to Head of Desk, managing their team, or progress to a dealing/account management role. The speed of progression is dependent on performance and capability. LJMR is a genuine meritocracy. Manage Your PerformanceYour performance as a Business Developer will be measured in terms of new business generation, activity, and quality performance targets. The revenue generated from the accounts you bring on for the company will gauge your performance.Skills<ul><li>Excellent communication skills and articulation over the phone</li><li>Demonstrable commercial experience, particularly in telesales</li><li>Interest in and basic knowledge of finance</li><li>Research ability a plus</li><li>Commercial acumen</li><li>Ambition</li></ul>

Graduate/Entry-level FX & International Payments Sales & Business Development

Harnham - Data & Analytics Recruitment

CRM DEVELOPER (ADOBE CAMPAIGN) - 12-MONTH FTC UP TO £70,000 LONDON - HYBRID 3 DAYS Please note: you must have full UK right to work and be able to commute to central London weekly. ABOUT THE BUSINESS This leading media and publishing group operates some of the UK's most recognised digital and print brands, reaching millions of readers daily. The business combines premium journalism, data-driven marketing, and innovative digital platforms to deliver engaging content and customer experiences. With a strong emphasis on collaboration, creativity, and continuous improvement, the organisation fosters a culture where ideas are shared freely, and every team member contributes to strategic decision-making. THE TEAM You'll join a high-performing CRM and marketing technology function responsible for customer engagement across digital, print, and subscription products. The team includes Senior CRM Managers, CRM Managers, Developers, and Designers working closely together to plan, build, and optimise multi-channel campaigns. Collaboration is central to their success - developers are involved in campaign strategy, creative discussions, and planning, not just technical execution. THE ROLE This is a hands-on, strategic role focused on delivering high-quality CRM campaigns and data workflows through Adobe Campaign Classic (recently migrated from Standard). You'll play a key part in developing sophisticated, data-led customer communications across email, push, SMS, and in-app channels. You'll work with complex audience data and play an advisory role in optimising platform use, automation, and best practice across multiple subscription brands. Key responsibilities include: <ul> <li>Consulting on projects to ensure optimal use of Adobe Campaign and CRM data workflows.</li><li>Building, testing, and deploying campaigns across multiple digital channels.</li><li>Designing and maintaining detailed data workflows and audience segmentation logic.</li><li>Collaborating with CRM Managers and stakeholders on campaign strategy, targeting, and testing.</li><li>Performing QA, troubleshooting issues, and liaising with Adobe Support when needed.</li><li>Maintaining templates, workflow documentation, and campaign governance.</li><li>Supporting both day-to-day tactical campaigns and larger strategic projects, such as churn prevention and behavioural triggers.</li></ul> SKILLS & EXPERIENCE REQUIRED <ul> <li>3-5 years' experience using Adobe Campaign Classic or Standard.</li><li>Strong technical understanding of data flows, segmentation, and workflow automation.</li><li>Experience within a subscription or membership-based environment preferred.</li><li>Confident communicator - proactive, collaborative, and comfortable contributing ideas.</li><li>Skilled in QA, campaign testing, and stakeholder communication.</li><li>Knowledge of split testing, audience targeting logic, and journey design.</li><li>Familiar with Jira and working within Agile environments.</li><li>Experience with Customer Data Platforms (CDPs) - Hightouch experience is a bonus.</li></ul> WHY APPLY? <ul> <li>Join a leading UK media group with a rich digital transformation agenda.</li><li>Be part of a collaborative, forward-thinking CRM team.</li><li>Opportunity to shape sophisticated, data-led marketing programmes.</li><li>Exposure to major subscription brands with a customer base of over half a million.</li><li>Balanced workload across tactical campaigns and strategic innovation.</li></ul>

Adobe Campaign Developer

Explore 10+ Frontend developer in London United Kingdom this November. Find roles across top companies and apply now to boost your career.