senior technical support engineer

Sonova

<div></div><div><div><div><p>Who we are</p><p>
At Sonova, we envision a world where everyone can enjoy the delight of hearing. This vision inspires us and fuels our commitment to developing innovative solutions that improve hearing health and human connection - from personal audio devices and wireless communication systems to hearing aids and cochlear implants. We're dedicated to providing outstanding customer experiences through our global audiological care services, ensuring that everyone has the opportunity to engage fully with the world around them.</p>
<p>Guided by a culture of continuous improvement that fosters resilience and self-motivation, our team is united by a shared commitment to excellence and a deep sense of pride in our work, each of us playing a vital role in creating meaningful change,</p>
<p>Here you&rsquo;ll find a diverse range of opportunities that span both consumer and medical solutions and the freedom to shape your career while making an impact on the lives of others. Join us in our mission to create a more connected world, where every voice is heard and every story matters.</p>
</div></div><div><div><div><div>Berlin, Germany
</div></div></div></div><div><div><div><div><p>Senior Staff Engineer - Digital Marketing (m/f/d)
</p></div></div></div></div><div><div><div><div><div>Berlin/Hybrid</div>
<div></div>
<div>As a Senior Staff Engineer, you&rsquo;ll be the go-to technical expert driving end-to-end solutions that power lead generation and customer acquisition across global markets.</div>
<div>This is a hands-on, high-impact IC role with strong technical leadership and mentoring.</div>
<div></div>
<div><b>Your responsibilities</b></div>
<div></div>
<ul><li><div>Design and implement scalable tech solutions end-to-end</div>
</li><li><div>Act as the bridge between Marketing and Engineering, translating ideas into real systems</div>
</li><li><div>Build and optimize customer acquisition platforms, tracking, attribution, and CRM integrations</div>
</li><li><div>Improve DevOps, automation, and infrastructure (GCP, Terraform, GitHub)</div>
</li><li><div>Support UI/UX improvements &amp; A/B testing</div>
</li><li><div>Mentor engineers and help the team move faster and work smarter</div>
</li><li><div>Balance multiple requests, challenge priorities, and drive pragmatic decisions</div>
</li>
</ul><div></div><div><b>Your Profile</b></div>
<div></div>
<ul><li><div>10+ years in Software Engineering (end-to-end systems) and proven tech leadership experience</div>
</li><li><div>Strong hands-on coding: JavaScript + Python</div>
</li><li><div>Solid experience with cloud (GCP/AWS) + Infrastructure as Code (Terraform)</div>
</li><li><div>Proven experience working at the intersection of Marketing &amp; Tech</div>
</li><li><div>Understanding of lead generation, tracking, attribution, and CRM integrations</div>
</li><li><div>Experience driving complex projects independently in fast-paced environments</div>
</li><li><div>Ability to simplify complexity and influence non-technical stakeholders</div>
</li>
</ul><div></div><div><b>Why join us</b></div>
<div></div>
<div>As one of the world&rsquo;s leading hearing care providers headquartered in Switzerland, we&rsquo;re committed to building an inclusive culture. We want to create an environment where you can balance a successful career with your commitments and interests outside of work, through our flexible hybrid working model.</div>
<div>We offer a wide range of opportunities for both your professional and personal development and growth.</div>
<div></div>
<ul><li><div>Own and shape a growing digital unit with real business impact</div>
</li><li><div>Opportunity to influence global expansion</div>
</li><li><div>30 days of paid annual leave</div>
</li><li><div>Subsidized VBB or Deutschland ticket</div>
</li><li><div>Dedicated learning &amp; development budget and weekly learning time + LinkedIn Learning license</div>
</li><li><div>Company Urban Sports Club membership</div>
</li><li><div>Mobility allowance for relocation if you are relocating to join our team #LI-NB1</div>
</li>
</ul></div></div></div></div><div></div><div><div><p>Sonova is an equal opportunity employer.</p><p>
We team up. We grow talent. We collaborate with people of diverse backgrounds to win with the best team in the market place. We guarantee every person equal treatment in regard to employment and opportunity for employment, regardless of a candidate&rsquo;s ethnic or national origin, religion, sexual orientation or marital status, gender, genetic identity, age, disability or any other legally protected status.</p>
</div></div><div><div><div><div>164317</div></div></div></div></div><p></p>

Senior Staff Engineer

LimeFlight

<div><p>Join our fully remote, mission-driven team dedicated to pioneering <b>sustainable inflight service management</b>. Work on innovative technology solutions with global impact, collaborate within a diverse, international environment, and continuously enhance your skills through ongoing learning opportunities.</p><p></p><p>
Headquartered in Zurich, Switzerland with team members across 11 countries, we offer a dynamic and engaging company culture that celebrates creativity, collaboration, and inclusion.
</p><h4 class="jobSectionHeader"><b>About the role</b></h4><p>
We are hiring a <b>Senior Data &amp; Analytics Engineer</b> to take <b>end-to-end ownership of our data platform and BI layer</b>.</p><p></p><p>
We are on a mission to contribute to a <b>zero-waste future</b> by drastically reducing food waste, fuel consumption, costs, and most importantly, <b>CO₂ emissions</b> in the airline industry. Every role in our company is a direct contributor to this vision - and as a <b>Senior Data &amp; Analytics Engineer</b> you will be at the forefront of turning data into meaningful insights, empowering our customers to effectively use them and drive real impact.</p><p></p><p>
You will evolve a vendor-built BI solution into a <b>modern, product-grade data platform</b> and ensure that data is transformed into <b>scalable, trusted, and actionable insights</b> for both our customers and internal teams. You&rsquo;re not just building dashboards, you&rsquo;re enabling better decisions and measurable impact.</p><p></p><p>
This role combines:</p><ul><li><b>
Data Engineering</b> (pipelines, processing, customer facing exports, platform)</li><li><b>
Analytics Engineering</b> (modeling, KPIs, semantic layer)</li><li><b>
Data Product Ownership</b> (customer impact, insight generation)</li></ul><h4 class="jobSectionHeader"><b>
What You&rsquo;ll Own</b></h4><p><b>
Platform, Architecture &amp; Pipelines</b></p><p>
Own the end-to-end data platform (<b>Databricks </b>and <b>Microsoft Fabric</b>)</p><ul><li>
Design and operate scalable pipelines and lakehouse architecture</li><li>
Build scalable ETL/ELT workflows and manage batch/near real-time processing</li><li>
Ensure data quality, reliability, observability, and performance</li><li>
Define standards, data contracts, and architecture principles (clean, modular, scalable data platform)</li><li>
Optimize cost (e.g. Databricks jobs) and workload distribution across platforms</li></ul><p><b>
Data Modeling &amp; Semantic Layer</b></p><ul><li>
Own <b>Power BI </b>semantic models and KPIs</li><li>
Build clean, scalable dimensional models (star schema)</li><li>
Ensure performance and consistency of DAX, aggregations, and dataset refresh</li></ul><p><b>
Customer-Facing Analytics</b></p><ul><li>
Build and maintain customer-facing dashboards and embedded analytics</li><li>
Ensure consistent and trusted metrics across all outputs</li><li>
Enable self-service analytics with governance</li><li>
Maintain and monitor customer facing exports</li></ul><p><b>
Data as Product</b></p><ul><li>
Translate business and customer needs into scalable data solutions</li><li>
Define KPIs and reporting standards with Product</li><li>
Proactively build insights and identify opportunities to create additional customer value</li><li>
Drive measurable customer and business impact</li></ul><p><b>
Platform Quality, Operations, Security &amp; Governance</b></p><ul><li>
Build necessary validation scripts, unit tests, data quality checks</li><li>
Implement CI/CD, testing, and versioning for pipelines and BI</li><li>
Support multi-tenant architecture, security, and governance</li><li>
Implement monitoring and alerting (pipelines, refreshes)</li></ul><p><b>
Migration &amp; Insourcing (Initial Focus)</b></p><ul><li>
Take ownership of a vendor-built BI solution</li><li>
Reverse-engineer pipelines, logic, and reports</li><li>
Reduce technical debt and rebuild toward a clean architecture</li></ul><h4 class="jobSectionHeader"><b>
What We&rsquo;re Looking For</b></h4><p><b>
Experience</b></p><ul><li>
5+ years in data engineering / analytics engineering for customer-facing BI products</li><li>
Experience in SaaS or product-driven environments</li><li>
Proven track record building scalable data platforms and customer-facing analytics</li></ul><p><b>
Technical &amp; Platform Skills</b></p><ul><li>
Strong experience with:<ul><li>
Databricks (Spark / PySpark, Delta Lake)</li><li>
Microsoft Fabric or Azure data stack</li><li>
Power BI (data modeling, DAX, performance)</li></ul></li><li>
Advanced SQL and dimensional modeling (Kimball) expertise</li><li>
Lakehouse architecture &amp; ETL/ELT design</li><li>
Multi-tenant data models &amp; embedded analytics</li></ul><p><b>
Engineering Practices</b></p><ul><li>
CI/CD for data pipelines and BI assets</li><li>
Write reusable, modular, maintainable and testable code.</li><li>
Monitoring and data quality practices</li><li>
Version control (e.g., Git)</li></ul><p><b>
Nice-to-have</b></p><ul><li>
Azure infrastructure knowledge (IAM, networking)</li><li>
Data quality/testing frameworks (e.g., Great Expectations)</li></ul><p><b>
Mindset</b></p><ul><li>
Strong ownership and autonomy: You take full ownership of outcomes, not just tasks</li><li>
Impact-driven: You focus on real-world results and have strong intuition for identifying patterns, anomalies, and optimization opportunities</li><li>
Product thinker: You connect data to user value and turn raw data into clear, actionable insights</li><li>
Proactive: You proactively identify opportunities, validate ideas, and build reports, dashboards, and analyses without waiting for requirements.</li></ul><ul><li>
Domain expert: You understand business contexts quickly and translate problems into effective data solutions.</li><li>
Pragmatic: You prioritize simplicity and avoid overengineering, focusing on what delivers value.</li><li>
Clear communicator: You communicate effectively across technical and business stakeholders, making complex topics easy to understand.</li></ul><h4 class="jobSectionHeader"><b>
Language</b></h4><p>
Min. English C1</p><h4 class="jobSectionHeader"><b>
Expected travel needs</b></h4><p>
2 annual one-week team events</p><h4 class="jobSectionHeader"><b>
Our Tech Stack</b></h4><ul><li>
C# (.NET 8&ndash;10), ASP.NET Core, Entity Framework Core</li><li>
Microsoft SQL Server, Azure Blob Storage</li><li>
Azure App Services &amp; Functions, Docker</li><li>
Azure Service Bus, Terraform</li><li>
GitHub Actions, SonarQube, extensive unit &amp; integration tests</li><li>
Angular Latest Version</li><li>
Databricks and Azure Fabric</li></ul><h4 class="jobSectionHeader"><b>
Hiring Process</b></h4><ul><li>
Recruiter Screen (45 mins)</li><li>
Interview with the Hiring Manager (1 hour)</li><li>
Technical interview (1 hour)</li><li>
Discussion with founder(s) and peer(s) (1 hour)</li></ul><p><b><br>
LimeFlight is proud to be an equal opportunity employer.</b></p><p>
We are committed to creating an inclusive environment where everyone regardless of race, ethnicity, gender identity or expression, sexual orientation, age, disability, religion, or background can thrive and do their best work.</p><p></p><p>
Join us and be part of a team committed to shaping a zero-waste future for aviation, where your ideas and passion truly matter.</p><p></p><p>
Let&rsquo;s talk!</p></div>

Senior Data & Analytics Engineer (Europe, 100% remote)

<div><h2 class="jobSectionHeader"><b>About the Opportunity</b></h2>
<p>
We are seeking a Junior Backend Engineer to join the Data Ingestion Team within the Platform Engineering Domain. This is an exciting opportunity for an early-career engineer to grow their skills building high-throughput data processing systems.</p>
<p>
Platform Engineering's mission is to provide trusted, performant, and self-service platforms. As part of this, the Data Ingestion team is responsible for building and maintaining the pipelines that power our bank's data ecosystem, focusing on reliability, scalability, and clean engineering practices.</p>
<p>
The ideal candidate is an eager learner who is excited to dive into new technologies and solve technical challenges with the support of a senior team. We value engineers who are self-driven, seek constructive feedback, and thrive in a collaborative environment that prizes technical growth.</p>
<h2 class="jobSectionHeader"><b>
In this role, you will:</b></h2>
<ul><li>Software Development: Work under the guidance of senior engineers to develop and maintain backend services for our data ingestion platform.</li>
<li>Engineering Support: Support the team in applying strong engineering practices including writing automated tests, participating in code reviews, and maintaining observability.</li>
<li>Proactive Learning: Proactively ask questions, propose small improvements, and collaborate with the team to deliver clean, testable code for our platform services.</li>
<li>Knowledge Sharing: Participate in technical discussions, contribute to internal documentation, and help us maintain a transparent knowledge base.</li>
<li>Development Contribution: Contribute to infrastructure development tasks and participate in technical demos to showcase your work.</li>
<li>Shadow and Respond: Shadow on-call rotations and assist in troubleshooting efforts to learn incident response protocols.</li>
<li>Observability Support: Learn to maintain and use observability solutions (metrics, logging, tracing) to help the team track platform SLOs and availability.</li>
</ul><h2 class="jobSectionHeader"><b>What you need to be successful</b></h2>
<h3 class="jobSectionHeader"><b>Background and Skills:</b></h3>
<ul><li>Strong foundational backend skills, with a preference for Kotlin or Java, and a willingness to adapt to the language best suited for the task.</li>
<li>Exposure to data storage solutions such as PostgreSQL, RDS, or S3.</li>
<li>Basic knowledge of containers (Docker) and an eagerness to learn Kubernetes.</li>
<li>Exposure to infrastructure as code concepts (Terraform or similar).</li>
<li>Interest in learning CI/CD pipelines and modern automation tools.</li>
<li>Understanding of testing pyramids and experience writing unit and integration tests.</li>
<li>Familiarity with at least one observability/monitoring tool (e.g., DataDog, Prometheus, or Grafana).</li>
</ul><h3 class="jobSectionHeader"><b>Nice to have:</b></h3>
<ul>
<li><p>Working experience in scale-ups within platform teams.</p>
</li>
</ul><h3 class="jobSectionHeader"><b>Traits:</b></h3>
<ul><li>Excellent collaboration and communication skills, with the ability to work across teams.</li>
<li>You enjoy taking tasks from start to finish and keeping the team updated on your progress.</li>
<li>A keen interest in understanding how to build high-quality, scalable, and secure infrastructure.</li>
<li>Eagerness to learn and contribute to building platforms as products.</li>
<li>A proactive approach to problem-solving, a desire to learn, and an appreciation for clean code.</li>
</ul><h2 class="jobSectionHeader"><b>What's in it for you:</b></h2>
<ul><li>Accelerate your career growth by joining one of Europe's most talked about disruptors.</li>
<li>Employee benefits that range from a competitive personal development budget, work from home budget, discounts to fitness &amp; wellness memberships, language apps and public transportation.</li>
<li>Come together with your team in the office for a dedicated day of teamwork each week, plus another day of your choice, and enjoy the flexibility of remote work the rest of the time. <i>Some roles may require additional in-office presence</i>.</li>
<li>As an N26 employee you will have access to a Premium subscription on your personal N26 bank account. As well as subscriptions for friends and family members.
</li><li>Additional day of annual leave for each year of service.
</li><li>A high degree of autonomy and access to cutting edge technologies - all while working with a friendly team of peers of diverse nationalities, life experiences and backgrounds.</li>
</ul><h2 class="jobSectionHeader"><b>Who we are</b></h2>
<p>
N26 has reimagined banking for today's digital world. Technology and design empower everything we do and it's how we are building the global banking platform the world loves to use.</p>
<p>
We've eliminated physical branches, paperwork, and hidden fees for an elegant digital experience and supreme savings. Giving people the power to live and bank their way is what gets us out of bed in the morning and inspires the work that we do.</p>
<p>
We are headquartered in Berlin with offices in multiple cities across Europe, including Vienna and Barcelona, and a 1,500-strong team of more than 80 nationalities.</p>
<p><b>
Sounds good? Apply now for this position.</b></p>
<p><b>
Equal Opportunities:</b></p>
<p>
We recognize that our strength lies in our people and the varied perspectives they bring to our workforce. We strive to build talented and diverse teams to drive our business success and empower our people to reach their full potential.</p>
<p>
We genuinely welcome and encourage applications from people of all backgrounds, cultures, genders, sexual orientations, abilities, neurodiversities, and ages. We're committed to creating an inclusive workspace where everyone feels valued and respected, free from harassment and discrimination. If there's anything you need to make the application process work for you, please let us know by reaching out to candidate.exp@n26.com.</p>
<p>
Visit our website to learn more about Diversity, Equity, &amp; Inclusion at N26.</p></div>

Junior Backend Engineer - Data Ingestion

Cycle

<div><h4 class="jobSectionHeader"><b>About us</b></h4><p></p><p>
At CYCLE, we&rsquo;re redefining urban mobility for the people who keep cities moving: couriers, riders, and delivery pros. Our e-bike subscription service combines durable vehicles, fast repairs, and real support, everything riders need to stay on the road.</p><p>
From Berlin to London, Vienna to Amsterdam, we operate in 200+ cities across Europe, providing thousands of riders with bikes built for work, not for show.</p><p>
Our mission is simple: make last-mile delivery more reliable, affordable, and sustainable, one ride at a time. With every bike we deploy, we&rsquo;re helping build the backbone of smarter, greener cities.</p><p>
Ride with us into the future &ndash; sustainable, efficient, and full speed ahead!</p><p></p><h4 class="jobSectionHeader"><b><br>
Your Mission</b></h4><p></p><p>
As a Senior Frontend Engineer, you will help shape the technical direction of our B2B SaaS platform. You will own architecture decisions in the frontend and ensure a performant, maintainable, and user-friendly application that our riders, fleet operators, and internal teams rely on every day.</p><ul><li>
Designing, building and evolving our web platform using React and TypeScript</li><li>
Making architecture decisions for scalability, performance and maintainability</li><li>
Conducting code reviews and establishing technical standards within the team</li><li>
Working closely with Product Management, UX/UI Design and Backend Engineering</li><li>
Maintaining and evolving our component library and design system</li><li>
Identifying technical debt and reducing it systematically</li><li>
Mentoring junior and mid-level engineers on the team</li></ul><p></p><h4 class="jobSectionHeader"><b>
Your skills and qualifications</b></h4><p></p><ul><li>
Several years of professional experience (ideally 4+ years) in frontend development with React</li><li>
Strong proficiency in TypeScript and modern JavaScript standards</li><li>
Experience with state management solutions (e.g. Redux, Zustand, React Query)</li><li>
Understanding of REST and/or GraphQL APIs and their integration</li><li>
Strong, self-driven way of working and good communication skills</li><li>
Good German and English skills</li><li>
Nice to have<ul><li>
Experience building and maintaining B2B or SaaS products</li><li>
Experience with testing frameworks (e.g. Vitest, Jest, Playwright)</li></ul></li></ul><p></p><h4 class="jobSectionHeader"><b>
What you can expect from us</b></h4><p></p><ul><li>
Competitive salary aligned with your skills and experience</li><li>
Ownership of technical decisions with direct impact on the product</li><li>
Flexible working hours and remote/hybrid options</li><li>
Modern tech stack and room for your own ideas</li><li>
Opportunities for personal and professional growth</li></ul><p></p><h4 class="jobSectionHeader"><b><br>
Diversity</b></h4><p></p><p>
CYCLE values diversity and is an equal opportunity employer, providing a safe and inclusive space for everyone. No matter your gender, gender identity, age, disability, body size, race, religion, sexual orientation or nationality, we would love to receive your application! If there is anything we can do to make your recruiting process more comfortable or accessible, please don&rsquo;t hesitate to let us know in advance.</p></div><p></p>

Senior Frontend Engineer (f/m/d)

Enpal

<div>
 At Enpal, we are not just a company; we are a movement. As a leading European greentech unicorn, we are on a mission to make clean energy simple, accessible, and scalable for homeowners across the continent.
 <br/>
 <br/>
 Through solar panels, heat pumps, home batteries, and EV charging, we are redefining residential energy. With Enpal Energy, we are building Europe&rsquo;s leading platform to manage and orchestrate millions of distributed energy assets &mdash; laying the foundation for the largest Virtual Power Plant (VPP) in Europe.
 <br/>
 <br/>
 Our vision: power Europe&rsquo;s transition to a fully decentralized, intelligent, and clean energy system.
 <br/>
 <br/>
 <strong>
  Job Description
  <br/>
  <br/>
 </strong>
 As a
 <strong>
  Senior AI Platform Engineer
 </strong>
 , you will design and build the internal AI Engine that powers all AI capabilities across Enpal Energy. This is not about wrapping APIs &mdash; it is about building the core infrastructure that makes AI reliable, scalable, and production-grade.
 <br/>
 <br/>
 We are looking for a systems thinker with strong engineering fundamentals and a deep understanding of modern AI systems. You care about reliability, observability, and building platforms that enable other engineers to move fast with confidence.
 <br/>
 <br/>
 What you will do
 <br/>
 <br/>
 <ul>
  <li>
   Own the design and development of the internal AI platform powering all AI features.
  </li>
  <li>
   Build a robust Agent Runtime to orchestrate complex AI workflows in production.
  </li>
  <li>
   Design scalable backend services and developer-facing APIs for AI systems.
  </li>
  <li>
   Build internal tooling for evaluation, observability, tracing, and debugging (latency, cost, quality, reliability).
  </li>
  <li>
   Define standards for AI quality, including evaluation frameworks, versioning, and reproducibility.
  </li>
  <li>
   Collaborate closely with product and engineering teams to enable fast, safe, and deterministic AI feature delivery.
  </li>
  <li>
   Own CI/CD pipelines, infrastructure as code, and production readiness of AI systems.
  </li>
  <li>
   Continuously improve performance, reliability, and cost efficiency.
  </li>
  <li>
   Contribute to architectural decisions shaping the long-term AI strategy.
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  Qualifications
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   5&ndash;7+ years of software engineering experience (mid to senior level).
  </li>
  <li>
   Strong background in backend systems, platform engineering, or internal developer platforms.
  </li>
  <li>
   Strong proficiency in TypeScript and Node.js (JavaScript ecosystem).
  </li>
  <li>
   Solid understanding of modern AI system design, including agentic architectures vs. chains, tool use and function calling, and orchestration patterns.
  </li>
  <li>
   Experience in LLM APIs (e.g. OpenAI, Anthropic, DeepSeek) and AI infrastructure.
  </li>
  <li>
   Experience building observability, logging, tracing, and evaluation systems.
  </li>
  <li>
   Strong focus on reliability, determinism, and production-grade engineering.
  </li>
  <li>
   Experience building APIs and integrating complex systems.
  </li>
  <li>
   Familiarity with CI/CD tools (GitHub Actions, Azure DevOps, or similar).
  </li>
  <li>
   Strong commitment to clean, testable, and scalable code.
  </li>
  <li>
   (Senior level) Experience mentoring engineers and driving technical decisions.
   <br/>
   <br/>
  </li>
 </ul>
 Additional Information
 <br/>
 <br/>
 <ul>
  <li>
   Join Germany&rsquo;s leading green unicorn and help shape the energy transition.
  </li>
  <li>
   Work in a diverse team of 65+ nationalities united by one mission.
  </li>
  <li>
   Hybrid work model: office or remote &mdash; your choice.
  </li>
  <li>
   Our Berlin HQ offers a fully equipped startup environment (rooftop, gym, lounges, events).
  </li>
  <li>
   Structured onboarding, including a welcome session with our founder.
  </li>
  <li>
   Regular company updates, technical deep dives, and knowledge sharing sessions.
  </li>
  <li>
   Strong team culture, ownership mindset, and frequent team events.
  </li>
  <li>
   A strong feedback culture that values continuous improvement.
   <br/>
   <br/>
  </li>
 </ul>
 At Enpal, diversity and inclusion are core values. Hiring decisions are made without discrimination of any kind.
</div>


AI Platform Engineer (f/m/d)

wolt

<div><div><h2 class="jobSectionHeader"><b>About Wolt</b></h2>
<p>
At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we're building the delivery of (almost) everything and you'll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe.<br>
<br>
Working at Wolt isn't always easy, but it's definitely exciting. Here you'll learn more, build more, and ship more than in most other companies. You'll be challenged a lot, but also have a lot of fun on the way. So, if you're a self-starter with drive and entrepreneurial spirit, this could be the ride of your life.</p></div><br>
<p></p>
<p>
At Wolt, we're building products that millions of people rely on every day. Behind every great customer experience is a solid engineering foundation, and that's where you come in.</p>
<p>
We're looking for experienced Android engineers who enjoy solving problems beyond feature development. If you're excited about building scalable mobile foundations, improving developer experience, raising engineering quality, and helping other engineers build better software, we'd love to talk.</p>
<p>
We're also embracing a new way of building software. AI is becoming a core part of how we engineer products, and we're looking for people who are curious about how AI can improve software development, not just generate code.</p>
<h2 class="jobSectionHeader"><b>
What you'll be doing</b></h2>
<p>
As a Senior Android Engineer, you'll work on the foundations that enable product teams to deliver high-quality mobile experiences at scale.</p>
<p>
Depending on your background and interests, your work may include:</p>
<ul>
<li>Building and evolving Android architecture, shared libraries and platform capabilities</li>
<li>Improving developer experience through tooling, automation and better engineering workflows</li>
<li>Driving improvements in app performance, reliability and observability</li>
<li>Designing scalable systems that help teams move faster without compromising quality</li>
<li>Working closely with engineers across multiple product teams to solve shared technical challenges</li>
<li>Leading technical initiatives and helping raise the engineering bar across the organization</li>
<li>Exploring how AI can improve engineering workflows and developer productivity</li>
<li>Building reliable guardrails and tooling around AI-assisted software development</li>
</ul>
<p>This role is ideal for someone who enjoys making other engineers more productive, thinking about long-term technical health, and solving engineering problems that have impact across multiple teams.</p>
<h2 class="jobSectionHeader"><b>
Our humble expectations</b></h2>
<p>
We're looking for engineers who have experience with most of the following:</p>
<ul>
<li>Strong experience building Android applications with Kotlin</li>
<li>Experience designing scalable mobile architectures and shared platform components</li>
<li>Good understanding of the Android ecosystem and modern development practices</li>
<li>Experience with CI/CD, automation or developer tooling</li>
<li>Strong software design and system thinking</li>
<li>Experience collaborating across engineering teams and influencing technical decisions</li>
<li>Comfortable mentoring other engineers and driving technical initiatives</li>
<li>Excellent communication and stakeholder management skills</li>
</ul>
<p>We'd especially love to meet engineers who:</p>
<ul>
<li>Use AI regularly as part of their engineering workflow</li>
<li>Have experimented with modern AI development tools such as Claude Code, Cursor, Gemini, Codex, Copilot or similar</li>
<li>Are curious about agentic development workflows and AI-assisted software engineering</li>
<li>Know when to trust AI, when to challenge it, and how to build reliable engineering workflows around it</li>
</ul>
<p>You'll stand out if you've also worked with areas such as Kotlin Multiplatform (KMP), server-driven UI, experimentation frameworks, mobile observability, or large-scale consumer mobile platforms.</p>
<p>
This role can be based in one of our tech hubs in Helsinki or Stockholm.</p>
<p></p><div><h2 class="jobSectionHeader"><b>
Our Commitment to Diversity and Inclusion</b></h2>
<p>
We're committed to growing and empowering a more inclusive community within our company, industry, and cities. That's why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.</p></div></div>

Senior Android Engineer

Adsquare

<div>
 <br/>
 <p>
  <strong>
   About the Company
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  At Adsquare, our mission is driven by our core focus:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Passion
   </strong>
   &ndash; Solving complex challenges with great people, tech, and data.
  </li>
  <li>
   <strong>
    Niche
   </strong>
   &ndash; Location Intelligence for Programmatic Advertisers.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Our core values are integral to everything we do:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Drive
   </strong>
   : We turn ambition into action to deliver valuable outcomes.
  </li>
  <li>
   <strong>
    Resilience
   </strong>
   : We adapt, persevere, and grow stronger.
  </li>
  <li>
   <strong>
    No BS
   </strong>
   : We value honesty, transparency, and clear communication.
  </li>
  <li>
   <strong>
    Humble
   </strong>
   : We choose modesty over vanity and let results speak for themselves.
  </li>
  <li>
   <strong>
    Moral Compass
   </strong>
   : We do the right thing with fairness, integrity, and respect.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We seek candidates who not only bring top-tier technical expertise but also embody these values in every aspect of their work.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   About the Role
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  As a (Senior) Data Engineer at Adsquare, you will be a key contributor to our core engineering function, creating and maintaining scalable big data pipelines that power our applications and drive business value. Because our engineering department handles a variety of critical data challenges, you will be assigned to a specific cross-functional squad based on your individual strengths, experience, and current business needs.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Responsibilities
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Data Pipeline Ownership
   </strong>
   : Take full accountability for the pipeline lifecycle&mdash;from raw data ingestion to transformation and external delivery&mdash;according to defined SLAs, time, and budget.
  </li>
  <li>
   <strong>
    Architect Scalable Solutions
   </strong>
   : Design and build robust data architectures required to process and transfer terabytes of data.
  </li>
  <li>
   <strong>
    Pipeline Optimization
   </strong>
   : Continuously improve data pipelines for cost and performance. This includes analyzing query plans, optimizing compute and working memory, and strategically applying horizontal or vertical scaling.
  </li>
  <li>
   <strong>
    Engineering Rigor
   </strong>
   : Elevate data engineering standards. Implement CI/CD workflows, infrastructure-as-code, test-driven development (TDD), and automated testing to ensure reliable and maintainable code.
  </li>
  <li>
   <strong>
    Data Monitoring
   </strong>
   : Create and maintain live monitoring dashboards to ensure data solutions are healthy and to support strategic decision-making.
  </li>
  <li>
   <strong>
    Collaboration &amp; Mentorship
   </strong>
   : Bridge the gap between Data and Backend engineering. For Senior applicants, act as a technical leader by mentoring junior team members, conducting code reviews, and introducing best practices.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Qualifications
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are looking for a candidate with varying levels of experience (mid-level to senior, typically 3-6+ years) in Data Engineering or Backend Development with a heavy data focus. You must be comfortable working in a self-organized, agile environment.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Required Skills
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Programming Mastery
   </strong>
   : Very strong proficiency in Python and SQL. You write modular, production-ready code and possess a solid understanding of both Functional Programming and Object-Oriented Programming (OOP) principles.
  </li>
  <li>
   <strong>
    Big Data &amp; PySpark
   </strong>
   : Deep experience with large-scale data processing frameworks, specifically Apache Spark / PySpark. You understand how to handle TB-scale datasets efficiently. Deep understanding of big data file formats like parquet and avro. Experience with open Lakehouse formats like Iceberg.
  </li>
  <li>
   <strong>
    Advanced Optimization Skills
   </strong>
   : Proven experience in optimizing data pipelines for compute, working memory, and cost efficiency, including reading and analyzing complex query plans/profiles.
  </li>
  <li>
   <strong>
    Database &amp; Storage Architecture
   </strong>
   : Expertise in the trade-offs between OLAP and OLTP systems. You have built solutions using relational and non-relational (NoSQL) databases, and horizontally scalable data warehouses/lakehouses (e.g., Redshift, Snowflake, StarRocks).
  </li>
  <li>
   <strong>
    Cloud Native (AWS)
   </strong>
   : Experience architecting solutions within the AWS ecosystem (e.g., S3, Athena, Glue, EMR, Lambda, Batch).
  </li>
  <li>
   <strong>
    Infrastructure &amp; Orchestration
   </strong>
   : Production experience treating infrastructure as software using Terraform, alongside experience with orchestration tools like Airflow, dbt, or Step Functions.
  </li>
  <li>
   <strong>
    Engineering Fundamentals
   </strong>
   : Solid grasp of computer science principles, data structures, algorithms, and git-flow/CI/CD pipelines.
  </li>
  <li>
   <strong>
    AI tools
   </strong>
   : Good command of using AI tools (e.g. Claude Code, Kiro, Gemini Pro) to improve and refactor your code, increase your productivity and quality and performance of your code.
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Preferred Skills
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   <strong>
    Compiled Languages
   </strong>
   : Experience with a compiled or strongly typed language (e.g., Java, Scala, Go, Kotlin, C++, Cython).
  </li>
  <li>
   <strong>
    Geospatial Data
   </strong>
   : Experience working with GIS (Geographic Information Systems) and geo-spatial datasets.
  </li>
  <li>
   <strong>
    Data Formats
   </strong>
   : Expertise in optimizing file formats (Parquet, Avro, Iceberg) for performance.
  </li>
  <li>
   <strong>
    Streaming Technologies
   </strong>
   : Familiarity with Kafka and Flink.
  </li>
  <li>
   <strong>
    Backend Context
   </strong>
   : Experience working closely with Backend engineers or familiarity with Backend architectural patterns (microservices, API design).
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Pay range and compensation package
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  55,000 - 65,000 euros per year
 </p>
 <p>
  <br/>
 </p>
 <p>
  On top of a competitive package, we offer:
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <ul>
  <li>
   Hybrid work model + remote work from anywhere worldwide up to 3 months/year
  </li>
  <li>
   Individual yearly learning budget of 1,200&euro;
  </li>
  <li>
   30 vacation days per year
  </li>
  <li>
   Urban Sports Club membership
  </li>
  <li>
   Company pension scheme
  </li>
  <li>
   Regular team and company events
  </li>
  <li>
   Latest hardware and all tools you need to thrive
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <strong>
   Equal Opportunity Statement
  </strong>
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  We are committed to diversity and inclusivity.
 </p>
 <p>
  <br/>
 </p>
 <p>
  <br/>
 </p>
 <p>
  Apply now!
 </p>
 <p>
  <br/>
 </p>
</div>


Data Engineer (m/f/d)

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