AI Backend Engineer

About us

LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 100+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success.

• Contract Type: B2B

• Location: Remote or in our Warsaw office

Your tasks and 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).

Why join us? 

🔹 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.

Recruitment Process:

1st Stage: 30-minute video interview with one of our recruitment team members.

2nd Stage: 1-hour technical video interview.

3rd Stage: 1-hour video interview with the client.