Principal/Senior Software Engineer

Xebia is a global AI-first, digital transformation, and engineering partner with over 25 years of experience and a team of 5,000 professionals across 16 countries. They specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products. In the CEE region, they deliver modern applications, data platforms, and AI solutions for notable clients such as McLaren, Aviva, Deloitte, Spotify, and others.

• 10+ years of professional software engineering experience, ideally with modern full-stack web applications and enterprise products
• Strong hands-on expertise in TypeScript and JavaScript, with significant production experience in React and backend runtimes such as Node.js or Deno
• Solid experience with PostgreSQL, data modelling, querying, performance, and application integration
• Experience with Supabase or comparable cloud-native / Backend-as-a-Service platforms, including authentication and data access controls such as RLS
• Strong experience designing and integrating REST APIs, webhooks, event-driven solutions, and third-party SaaS platforms, including OAuth 2.0 and secure API integrations
• Strong understanding of modern authentication, authorisation, permissions, and secure application design
• Experience with modern frontend development patterns, automated testing (unit, integration, end-to-end), and responsive application design
• Strong understanding of CI/CD, Git-based workflows, and modern SDLC practices
• Experience deploying and supporting production applications focusing on observability, performance, reliability, security, and operational readiness
• Excellent problem-solving and debugging skills across complex full-stack and third-party integration scenarios
• Strong communication and collaboration skills for effective cross-team work
• Automation-first and product-focused mindset
• Practical experience using AI-powered assistants (e.g., Claude Code, GitHub Copilot, Cursor) to improve software delivery

Nice to have:

• Experience using LLM APIs, AI SDKs, or developing AI-enabled applications
• Familiarity with the Vercel ecosystem, TanStack Query, React Router, Tailwind CSS, or shadcn/Radix
• Experience working with developer platforms such as GitHub or Jira
• Experience applying GenAI in structured SDLC workflows
• Interest in emerging AI-driven practices and willingness to explore beyond standard approaches

• Designing and developing production-grade full-stack web applications and enterprise software
• Providing hands-on technical leadership and establishing engineering patterns, standards, and best practices
• Translating product requirements and emerging ideas into pragmatic, scalable technical solutions
• Working across frontend and backend with a strong focus on TypeScript, JavaScript, React, and Node.js or Deno
• Designing and integrating REST APIs, webhooks, event-driven integrations, and third-party SaaS platforms
• Contributing to technical decisions around authentication, authorisation, data access, security, performance, and reliability
• Mentoring engineers and sharing knowledge to raise engineering capability
• Collaborating with Product, Architecture, Platform Engineering, and other engineering teams
• Experimenting with emerging technologies and turning prototypes into production-quality solutions
• Supporting modern CI/CD, testing, observability, and production engineering practices

Work from the European Union region and a work permit are required.