Lead full‑stack development of high‑traffic public websites, integrate AI tooling into the SDLC, design scalable backend and performant UIs, maintain cloud infrastructure, CI/CD, monitoring, and testing, and own services under a you‑build‑it‑you‑run‑it philosophy.
About the client:
Our customer is the European online car market, with over 30 million monthly users and a presence in 18 countries. As a Lead FullStack Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.
Responsibilities:
- Developing fast, high-traffic public-facing websites
- Explore new technologies and help the team to use them
- Work using AI tools and apply them to the SDLC
- Following software development best practices while delivering the work
- Following testing principles while testing your own code to ensure production readiness
- Follow the philosophy of: you-build-it-you-run-it (be responsible for the SDLC processes)
Requirements:
- 5+ years developing reliable, highly available, and scalable software systems
- Strong understanding of software architecture and design patterns
- Firm grasp of clean code principles and coding standards
- Strong proficiency using AI tooling, such as ChatGPT/Codex, for rapid development
- Experience integrating AI tooling into your development environment for streamlined usage
- Experience with AI Frameworks like Vercel AI SDK, LangChain, etc.
- Strong proficiency with backend development with C# or Node.js
- Strong proficiency with TypeScript
- Strong proficiency with SQL& NoSQL datastores (GraphQL, Redis)
- Strong proficiency with frontend development (HTML, CSS, JavaScript)
- Strong proficiency with component-based frameworks and SSR (Next.js/React or Vue.js) or Angular with the desire to learn React/ Vue.js.
- Hands-on experience developing and maintaining 3rd party content management systems
- Knowledge of modern cloud infrastructures and tools, such as AWS, Terraform, and Docker
- Experience with APIs and developing in a service-based application environment
- Experience building optimized UIs for performance
- Proficiency with version control systems such as Git
- Experience working within a formal CI/CD pipeline
- Experience with logging, monitoring, and alerting services like Datadog, Newrelic
- Solid approach to testing and ensuring quality of code, Unit testing, backend, and frontent
- At least Upper-intermediate English level
- This role requires mandatory timezone coverage: work must align with the Toronto (ET) timezone for LATAM hours and 13:00–21:00 EET for EU hours approximately.
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
Similar Jobs
Big Data • Cloud • Fintech • Professional Services • Software
Build and maintain payroll integrations by reverse engineering web and mobile apps. Improve shared libraries and frameworks, collaborate with product and data teams, and own end-to-end integration solutions that power the real-time income data platform.
Top Skills:
BeautifulsoupCeleryDockerGCPGitJavaScriptKubernetesPandasPlaywrightPython
Big Data • Cloud • Fintech • Professional Services • Software
Lead strategy, roadmap, and execution for client-facing products and integrations across mortgage LOS/POS platforms, partner ecosystems, and APIs. Drive discovery, launches, adoption, and iteration while partnering with Engineering, Design, GTM, Partnerships, and Customer Success to deliver scalable, enterprise-grade workflow solutions and measurable customer outcomes.
Top Skills:
Ai ToolsAPIsEncompassNcino
Artificial Intelligence • Computer Vision • Hardware • Machine Learning • Robotics • Software • Agriculture
Identify, diagnose, and resolve model and dataset performance issues using high-resolution imagery. Audit and validate data, run field experiments, collect and translate farmer feedback, coordinate rapid investigations with support and engineering, and document solutions to improve system performance.
Top Skills:
AIComputer VisionConfluenceData AnnotationDeep LearningGoogle SuiteLasers
What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Amazon, Microsoft, Meta, Google
- Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Madrona, Fuse, Tola, Maveron
- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute

