We are looking for a Senior Full-Stack Engineer to join our team, Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Senior 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:

Design and develop full-stack cloud solutions from technical analysis to integration testing.
Support existing systems
Mentor junior engineers on design patterns, code reviews, testing practices, and scalable architecture.
Establish documentation standards across teams.
Conduct root cause analysis and collaborate with production support to resolve issues.
Evaluate third-party software with business and engineering teams.
Maintain CI/CD pipelines for applications.

Requirements:

Canadian timezone work hours (EDT)
4+ years of experience with C# or .NET for web application development
4+ years of experience with React for web application development
Experience with Azure, including migration from Azure to AWS
Expert proficiency in GenAI-driven development, GitHub Copilot/Codex integration, rapid prototyping, automated refactoring, and AI-accelerated debugging
Deep understanding of AI agents, autonomous task orchestration, reasoning engines, tool-use integration, and multi-step workflow automation
Mastery of iterative prompting. Chain-of-Thought (CoT), Few-Shot prompting, output validation, and prompt optimization for production-grade code
Familiarity with Kafka, SQL, and performance optimization
Strong understanding of event-driven and microservices architecture
Experience, Application Insights, and responsive front-end design using React
Background in high-traffic websites, performance tuning, and security
Ability to communicate technical solutions effectively
Expertise in unit, component, and integration testing
Experience with Azure DevOps, and JIRA in distributed teams
Solid grasp of agile methodologies, including ScrumBan/Kanban and Gitflow

Nice to Have:

Previous DevOps Experience is a great advantage
Experience with Java and Scala
Experience with observability tools like Datadog
Proficiency with Java/Spring Boot for building APIs and web applications - nice to have
Experience with AWS
Previous experience with GitHub

This job opportunity for Canadian time zone.

Senior Fullstack Engineer

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