Python Developer

Summary

Join TenderPro, a venture-backed startup, as a Python Developer specializing in AI/NLP. You will be a core backend engineer and AI architect, transitioning the product from proof-of-concept to production. Key responsibilities include designing and implementing agent flows using RAG, building NLP features, working with vector databases and LLMs, owning backend code integration, collaborating with the product team, and ensuring code quality and scalability. This role requires 5+ years of programming experience, 3+ years with Python (2+ in AI/NLP), and hands-on experience with LLM APIs and vector databases. Proficiency in backend architecture, API integrations, and specific technologies is also needed. The position offers competitive pay, fully remote work, high ownership, and a fast-paced environment.

Requirements

• 5+ years of programming experience, working on projects deployed to production
• 3+ years of experience with Python, including 2+ years in AI/NLP-focused projects
• Hands-on experience with LLM APIs (e.g. Google Vertex AI, Azure OpenAI, Anthropic) and vector databases (e.g. FAISS, Weaviate, Qdrant), LangChain, LangGraph
• Solid understanding of document chunking, prompt engineering, and RAG-based systems
• Proficient in backend architecture, API integrations, PostgreSQL, Supabase, n8n or similar
• Self-driven, communicative, and adaptable — you’ll help shape the product and process as we go
• Fluent in Polish and English

Responsibilities

• Design and implement agent flows for SmartMatching and legal analysis using RAG (Retrieval-Augmented Generation)
• Build NLP features: document parsing, key information extraction, tender classification, offer comparison
• Work with vector databases, document chunking, LLMs, and prompt engineering
• Own backend code and integrate AI solutions into the frontend (React)
• Collaborate with the product manager, designer, and stakeholders to ship the MVP and beyond
• Ensure code quality, scalability, and platform security (critical in B2B SaaS)
• Iterate quickly based on customer feedback and insights

Preferred Qualifications

Experience with public procurement, B2B SaaS products, or leading small tech teams

Benefits

• Competitive pay: 14 000–22 000 PLN net/month (B2B)
• Fully remote work
• High ownership and autonomy — your decisions will shape the product
• Fast-paced, low-bureaucracy environment that rewards initiative and insight