Lead FullStack Software Engineer

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 either of the following technologies C\#\+Typescript OR TypeScript \+ Node.js. * 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 frontend. * **At least Upper\-intermediate English level** . **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