Lead FullStack Engineer (AI)

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. The company specializes in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products. In the CEE region, Xebia has nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients including Millennium, ING, Play, Edenred, Arabian Drilling, FedEx, Leroy Merlin, Truecaller, Volotea, and Schmitz Cargobull. They work with technologies such as AWS, Azure, GCP, Databricks, and Snowflake.

• Availability until 6:00 PM CET daily and until 9:00 PM CET twice a week to accommodate collaboration across time zones.
• Expert-level knowledge of React, Next.js, and TypeScript.
• Strong experience translating Figma designs into production-ready frontend applications.
• Hands-on experience developing backend solutions using TypeScript and AWS serverless services including Lambda, API Gateway, EventBridge, Step Functions, and DynamoDB.
• Strong API design skills and experience with event-driven integrations.
• Production experience building LLM-powered applications, ideally using Claude through AWS Bedrock.
• Practical experience with AI agent orchestration using LangGraph, including RAG, tool use, prompt design, guardrails, and evaluation.
• Experience building CI/CD pipelines with GitHub Actions and managing infrastructure as code using AWS CDK.
• Experience implementing automated unit, integration, and end-to-end tests.
• Daily, effective use of AI-assisted coding tools such as Claude Code, GitHub Copilot, or Cursor, with an understanding of safe and productive usage in team environments.
• Hands-on experience delivering software in agile teams.
• Proven experience leading squads of 8-20 engineers while maintaining a hands-on technical role.
• Practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.
• Work from the European Union region and a work permit are required.

• Work closely with a US-based client, requiring availability until 6:00 PM CET daily and until 9:00 PM CET twice a week.
• Develop complex frontend, backend, and AI integrations while leading by example through hands-on coding.
• Design and implement technical solutions within a domain-driven architecture, including APIs and event-driven integrations.
• Lead the development of AI-powered features using Claude, AWS Bedrock, and LangGraph, including orchestration, guardrails, and evaluation.
• Collaborate with designers to translate Figma designs into pixel-accurate, accessible user interfaces.
• Establish engineering standards for code reviews, testing, and AI-assisted development.
• Drive CI/CD pipelines using GitHub Actions and infrastructure as code using AWS CDK.
• Implement and maintain automated testing practices across unit, integration, and end-to-end testing.
• Mentor engineers, remove technical blockers, and maintain high engineering standards during agile delivery cycles.
• Collaborate with delivery leads, architects, and product owners on technical decisions, risks, and trade-offs.
• Lead squads of 8-20 engineers while remaining actively involved in software development.

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