N-iX is looking for Senior/ Lead Full-Stack Engineer to join the team
About the client:
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)
- 5+ years of experience with JS for web application development
- 5+ years of experience with React for web application development
- Experience with AWS
- Experience with SEO Tools, taxonomies
- Typescript & CSS must
- Expert proficiency in GenAI-driven development 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
- Proficiency 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
- Solid grasp
📌 Senior/ Lead Full-Stack Engineer (Colombia)
🏢 N-Ix
📍 Colombia