Xebia is looking for a Principal AI Engineer to lead the implementation of AI and code-generation tooling across our portfolio of products, focusing on software integrations. This hands-on technical leadership role combines engineering, setting standards, mentoring, and contributing directly to sprint delivery.
What You'll Do
- Design and evolve scalable, high-performance solutions within the AI-enhanced integrations domain.
- Define and enforce coding standards, architectural patterns, and best practices across teams.
- Review code for quality, maintainability, and performance, leveraging AI-assisted development tools.
- Mentor and guide engineers of varying experience levels on AI-first engineering practices and integration design patterns.
- Encourage thorough and consistent documentation, including AI-supported validation where applicable.
- Contribute hands-on to sprint goals through implementation of new features and ongoing maintenance.
- Evaluate emerging AI and developer-tooling technologies and advocate for their adoption.
- Collaborate with product managers, designers, and stakeholders to translate business requirements into robust, intelligent, and automated integration solutions.
- Stay current with advancements in AI/LLM integration, including prompt engineering and orchestration of APIs.
What We're Looking For
- Bachelor’s degree in Computer Science, Data Science, Engineering, or a related field.
- Strong experience with the Microsoft .NET stack, including C# and .NET Core.
- 2+ years of hands-on experience in AI/ML development, with an emphasis on generative AI and related technologies.
- Proven ability to define engineering standards and software development processes supported by tooling that maximizes developer productivity and code quality.
- Experience mentoring developers and guiding technical decisions across multiple teams.
- Solid understanding of CI/CD pipelines and automated testing practices.
- Familiarity with code-generation techniques such as Roslyn analyzers, source generators, or T4 templates.
- Ability to collaborate effectively in a dynamic environment and balance multiple responsibilities.
- Good verbal and written communication skills in English (minimum B2 level).
- Work from the European Union region and a work permit are required.
- Candidates must have an active VAT status in the EU VIES registry.
Nice to Have
- Exposure to AI-assisted or AI-generated test cases and performance testing.
Technical Stack
- Microsoft .NET, C#, .NET Core
- GitHub Copilot, OpenAI API, Azure OpenAI API
- Roslyn analyzers, Source generators, T4 templates
Team & Environment
You will guide teams working on complex systems and influence technical direction without direct line management responsibilities.
Work Mode
This is a remote position for candidates based in Bulgaria, ideally in the Sofia area.
Xebia is an equal opportunity employer.
