Lead FullStack Software Engineer

Overview 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 the following technologies: C# + 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, New Relic

Solid approach to testing and ensuring quality of code, Unit testing, backend, and frontend

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

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