Lead FullStack Software Engineer with AI
N-iX
| Company | N-iX |
| Category | Engineering |
| Location | LATAM |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Lead |
| Salary | Not stated by the employer |
| Posted | 7 May 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (greenhouse) |
Description
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 of experience developing reliable, highly available, and scalable software systems
Hands-on experience in system design
Strong understanding of software architecture and design patterns
Firm grasp of clean code principles and coding standards
Strong proficiency in using AI tools such as ChatGPT, Codex, and Claude Code for rapid development
Experience integrating AI tools into the development environment for streamlined usage
Hands-on experience with AI context management, harness engineering, and prompt engineering
Strong proficiency in backend development with C#(.NET 6+)/NodeJS/Python
Strong proficiency in TypeScript
Strong proficiency with SQL and NoSQL databases, including ORM knowledge and database partitioning and sharding techniques for scaling large databases
Strong proficiency with distributed caching solutions, such as Redis, and advanced caching strategies
Strong proficiency in frontend development using HTML, CSS, and JavaScript
Strong proficiency with component-based frameworks and SSR, with Next.js/React as the primary frontend stack; candidates with Vue.js or Angular backgrounds should be willing to transition to Next.js/React
Knowledge of modern cloud infrastructure and tools such as AWS, Terraform, and Docker
Strong experience in API design and developing RESTful services
Proficiency with version control systems such as Git
Experience working within a formal CI/CD pipeline
Experience with logging, monitoring, and alerting tools such as Datadog, New Relic, and Grafana
Solid understanding of the testing pyramid, including unit, integration, and end-to-end testing
At least an Upper-Intermediate level of English
Mandatory timezone coverage: working hours must approximately align with the Toronto Eastern Time zone for LATAM-based candidates or 13:00–21:00 EET for EU-based candidates.
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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