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.

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 -

Team Setup Work Style: Kanban methodology using Jira (product and tech backlog) Slack for communication Team size: 3-5 FullStack developers and PM “You build it, you run it” approach (owning development, releases, and monitoring) CI/CD pipelines with Jenkins/GitHub Actions Peer code reviews with quality checks (SonarCloud) Observability and alerting with Datadog/Opsgenie 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