Senior Python Engineer

We are looking for a Senior Python Engineer: Language Proficiency: Upper-Intermediate Employment type: Full time Candidate Location: Poland, other EU countries, Kazakhstan, Serbia, Armenia, Georgia Working Time Zone: CET Start: asap Planned Work Duration: 4 months with possible prolongation 👥 Customer Description: A global mobility and urban services platform enabling users to book rides and other services while negotiating fares directly with service providers. 🧩 Project Description: The BI Analytics team develops internal analytics products powered by LLM agents.The initial scope includes a natural-language data assistant and a service for generating management presentations with AI-driven insights. ⚙️ Project Phase: Ongoing 🤝 Soft Skills: • Proactive approach • Ability to work independently 💡 Hard Skills / Must Have: • Russian language is a must • 4+ years of commercial Python backend development • Production experience with LLM agents, tool use, MCP, evaluations, and LLM APIs or agent frameworks • Strong SQL and cloud DWH experience, preferably BigQuery • OAuth, IAM, Docker, and CI/CD • Daily use of coding agents and ability to review their output ✨ Hard Skills / Nice to Have: • BigQuery and GCP • Claude Agent SDK, Anthropic API, or Strands Agents • React 📌 Responsibilities and Tasks: • Build product features from prototype to production • Develop AI agents and web services for internal analytics use cases • Integrate agents with data sources and internal systems • Set up user access, authorization, cloud deployment, and service maintenance • Build evaluations and monitoring for LLM components • Fix defects and improve solutions based on user feedback 🧪 Technology Stack: Python, Strong SQL, experience with a cloud DWH (BigQuery preferred), Docker, CI/CD, AI tools 📞 Interview stages: • English check (15 minutes) • internal technical interview (1-1,5 hour) • client interview (1 hour) • client interview – cultural fit (45 minutes) What we offer Model: B2B contract with Bonapolia - one contract, one monthly invoice Rate: negotiated per candidate seniority and client budget Payment: monthly invoice, paid on the same schedule the client pays us (30 days) Contract written under your country's law We handle the client-side paperwork: MSA, NDA, invoicing 🏢 About Bonapolia Bonapolia is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US. More at 📩 Ready to Join? We look forward to receiving your application and welcoming you to our team! Originally posted on Himalayas