Lead FullStack Engineer (AI)

Bulgaria; Poland; Romania

About the Position

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, we help organizations design and build scalable products, platforms, and data-driven solutions.

We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.

In the CEE region, we’re a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as Millennium, ING, Play, Edenred, Arabian Drilling, FedEx, Leroy Merlin, Truecaller, Volotea, Schmitz Cargobull, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing.

Responsibilities

• Building modern, cloud-native digital products in the financial services sector, including AI-powered features such as conversational voice and chat experiences.
• Collaborating closely with product, design, and consulting partners to deliver scalable, high-quality solutions.
• Driving technical decisions, setting engineering standards, and ensuring efficient delivery while remaining actively involved in complex frontend, backend, and AI integration work.
• Leading the development of AI-powered features using tools like LangGraph, AWS Bedrock, and others.
• Collaborating with designers to translate Figma designs into pixel-accurate, accessible user interfaces.
• Establishing engineering standards for code reviews, testing, and AI-assisted development.
• Driving CI/CD pipelines using GitHub Actions and managing infrastructure as code using AWS CDK.
• Implementing and maintaining automated testing practices across unit, integration, and end-to-end testing.
• Mentoring engineers, removing technical blockers, and maintaining high engineering standards during agile delivery cycles.
• Collaborating with delivery leads, architects, and product owners on technical decisions, risks, and trade-offs.
• Leading squads of 8-20 engineers while remaining actively involved in software development.

Requirements

• 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 tools like 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 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 to improve productivity, quality, or decision-making in software delivery.

Nice to Have

• Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
• Interest in and familiarity with emerging AI-driven practices (e.g., agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.

We Offer

• Opportunity to work with a global team of experts in AI and digital transformation.
• Collaborative and innovative work environment.
• Continuous learning and professional development opportunities.
• Competitive compensation package.

About the Company

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, we help organizations design and build scalable products, platforms, and data-driven solutions.

Recruitment Process

1. CV review
2. HR call
3. Interview
4. Client Interview
5. Decision

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