Trainee / Junior AI Engineer supporting real customer projects at WE BUILD AI. Working with AI applications including automation solutions and machine learning models in a hybrid environment.
About the role
- AI Engineer developing backend features and API integrations at LLInformatics. Collaborating with various teams and optimizing AI-assisted development in a remote-first work environment.
Responsibilities
- Owning backend features and API integrations (Python, FastAPI, gRPC, SQL).
- Building connectors for APIs, files, and external systems (e.g., SharePoint, SFTP, webhooks).
- Integrating LLM-based capabilities with strong evaluation and monitoring.
- Adapting and extending auto-generated pipelines and front-end outputs.
- Championing AI-assisted development: setting up guardrails, context packs, and mentoring teammates.
- Collaborating with Solution Strategists, Data Platform, and Support teams to deliver complete solutions.
Requirements
- 4+ years of experience in backend development with Python (FastAPI, SQL).
- Strong experience with API design and integrations.
- Practical experience with workflow orchestration (Temporal, Dagster, or similar).
- Solid understanding of CI/CD, Docker, and cloud platforms (Azure/AWS/GCP).
- Comfortable using agentic AI coding tools (e.g., Cursor, Codex, Claude Code) for scaffolding, refactoring, and testing.
- Experience with SQL and data modelling.
- Familiarity with monitoring and evaluation of AI or data pipelines.
- Interest in AI technologies and in helping teams raise their AI development skills.
- Polish and English at B2+ level.
- Familiarity with agile methodologies (Scrum, Kanban).
Benefits
- Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings.
- Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity.
- Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team.
- Flat Structure – We value initiative and open communication. Every voice matters here!
- Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable.
- Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world.
- Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow.
- Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk.
- Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.
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