Our client is a leading European online car marketplace, serving 30M+ monthly users across 18 countries.
As a Senior/Lead FullStack Engineer:
- You will play a key technical leadership role within the client’s engineering organization. You will design, build, and evolve scalable backend services and user-facing features across our product suite.
- You will contribute across a polyglot stack that includes PHP (Laravel), JavaScript, and TypeScript, collaborating closely with product managers, designers, and other engineers to deliver robust, maintainable, and secure solutions.
- This role requires a high level of proficiency in using AI tools in day-to-day software development. AI-assisted workflows are not optional—they are an expected part of how we design, implement, test, debug, document, and optimize software. As a Senior/ Lead engineer, you will also help elevate your team’s AI capabilities by modeling effective usage patterns and sharing best practices.
- Architect, design, and implement scalable services and product features using PHP (Laravel)
- Build and maintain frontend features using JavaScript and TypeScript
- Use AI tools extensively for code generation, refactoring, test creation, debugging, performance optimization, and documentation
- Critically evaluate AI-generated outputs to ensure correctness, security, maintainability, and alignment with architectural standards
- Lead technical design discussions and contribute to system and API architecture decisions
- Own complex features end-to-end, from technical design through deployment, monitoring, and iteration
- Drive improvements in code quality, performance, reliability, and security
- Write clean, maintainable, and well-tested code with strong automated test coverage
- Conduct in-depth code reviews and mentor engineers through actionable feedback
- Coach teammates on effective and responsible AI usage in software engineering workflows
- Collaborate cross-functionally to translate business requirements into scalable technical solutions
- Contribute to cloud infrastructure and services (AWS), ensuring high availability and operational excellence
- Participate in compensated on-call rotations to ensure platform reliability
- Champion DevOps best practices, CI/CD improvements, and observability standards
- Identify and lead technical initiatives that improve long-term platform sustainability
- 6-8 years of extensive professional experience in backend software development
- Strong expertise in PHP and Laravel (6+ years)
- Proficiency in JavaScript and TypeScript for modern frontend development
- Demonstrated advanced proficiency using AI tools in day-to-day engineering work (code generation, debugging, test automation, documentation, architectural exploration)
- Strong ability to validate, refine, and productionize AI-assisted outputs
- Experience improving team-level engineering practices
- Deep understanding of API design, distributed systems, and scalable architecture patterns
- Experience working with AWS or similar cloud environments
- Strong knowledge of CI/CD pipelines and modern DevOps practices
- Experience designing and optimizing relational databases and data models
- Proven ability to independently lead complex technical initiatives
- Strong problem-solving skills and ability to navigate ambiguity
- Clear and effective communication skills
- Participate in compensated on-call rotations to ensure reliability of our backend services
- Canadian timezone working hours
- English proficiency at B2/C1 level or higher.
Nice to Have
- Experience integrating AI capabilities into production products (e.g., LLM integrations, AI-driven features, intelligent workflows)
- Experience designing AI-enabled user experiences or backend AI services
- Experience in automotive, dealer software, or SaaS platforms
- Experience with containerization (Docker, Kubernetes)
- Event-driven architectures and messaging systems
- Performance tuning and high-scale system optimization
- Experience working in multi-product platform environments
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
Skills Required
- 6-8 years of professional backend software development experience
- 6+ years of strong PHP and Laravel experience
- Proficiency in JavaScript and TypeScript for frontend development
- Advanced proficiency using AI tools for software engineering workflows
- Ability to validate, refine, and productionize AI-assisted outputs
- Experience improving team-level engineering practices
- Strong understanding of API design, distributed systems, and scalable architecture
- Experience with AWS or similar cloud environments
- Strong knowledge of CI/CD pipelines and modern DevOps practices
- Experience designing and optimizing relational databases and data models
- Ability to independently lead complex technical initiatives
- Strong problem-solving skills and ability to navigate ambiguity
- Clear and effective communication skills
- Availability for compensated on-call rotations
- Ability to work Canadian timezone hours
- English proficiency at B2/C1 level or higher
- Experience integrating AI capabilities into production products
- Experience designing AI-enabled user experiences or backend AI services
- Experience in automotive, dealer software, or SaaS platforms
- Experience with Docker or Kubernetes
- Experience with event-driven architectures and messaging systems
- Experience with performance tuning and high-scale system optimization
- Experience in multi-product platform environments
What We Do
N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success. With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc
