Senior Python Developer - Freelance
- Role
- Backend
- Experience
- Senior
- Employment
- Contract
- Company size
- Enterprise
Open to PL only. Set where you work from to check your eligibility.
No BS summary
Senior Python developer (freelance, full-time) for AI agent project processing images. Must be Poland-based, Polish C2, strong Python (async, typing, tests), production experience building agentic systems and LLM SDKs. B2B freelance contract, up to 150 PLN/hour.
Core skills
Required skills
Optional skills
Required languages
Optional languages
Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted. How freelancing works at Netguru? As a Netguru freelancer , you can choose what works well for you. You decide when, where, and how you work on projects and tasks. We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills. But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team. So, are you ready to make an impact? Join Netguru, and let's build beautiful software together. Currently we are looking for a Senior Python Developer. Salary range: up to 150 PLN/h Contract: Freelance B2B Start date: ASAP Engagement: full-time, 3 months Location: Remote (based in PL only) Polish language is a must-have Project is building an AI agent that works on a system that processes images. Requirements Requirements Must-have: Commercial experience building AI agents in production (not just PoC/demo), with strong Python skills (async, typing, tests). Hands-on experience with agentic frameworks (e.g. LangGraph, LangChain, CrewAI, AutoGen, Pydantic AI) or the ability to build agentic loops without framework. Experience working with LLM SDKs (Anthropic, OpenAI). Experience implementing MCP (Model Context Protocol) servers and/or clients . Experience with vector databases (pgvector, Qdrant, Weaviate, Pinecone) and PostgreSQL, including hybrid search. Polish language at C2 (native) level. Nice-to-have: Experience with TypeScript/Node for the application layer. Familiarity with evaluation/tracing tools such as LangSmith, Langfuse, Braintrust, or OpenTelemetry. Infrastructure experience: Docker, CI/CD, AWS/Azure/GCP, Bedrock/Vertex. Knowledge of the AI Act and GDPR, for the purpose of auditing agentic solutions. English language at B2+/C1 level. Benefits In return, we offer: 100% remote, flexible work. Work with an experienced team of developers and continuous development of your hard and soft skills. Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes. Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more). Don't hesitate and apply right away! At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!
What you'll do
- Build and deliver production-grade AI agents working with image-processing systems.
- Implement agentic loops and integrate agentic frameworks or custom agent loops.
- Integrate and work with LLM SDKs (Anthropic, OpenAI).
- Implement MCP servers and/or clients.
- Design and implement vector search and hybrid search solutions with PostgreSQL and vector DBs (pgvector, Qdrant, Weaviate, Pinecone).
- Write typed, async Python code with tests.
What they require
- Commercial experience building AI agents in production (not just PoC/demo).
- Strong Python skills (async, typing, tests).
- Hands-on experience with agentic frameworks (e.g. LangGraph, LangChain, CrewAI, AutoGen, Pydantic AI) or ability to build agentic loops without framework.
- Experience working with LLM SDKs (Anthropic, OpenAI).
- Experience implementing MCP (Model Context Protocol) servers and/or clients.
- Experience with vector databases (pgvector, Qdrant, Weaviate, Pinecone) and PostgreSQL, including hybrid search.
- Polish language at C2 (native) level.
- Contract: Freelance B2B.
- Start date: ASAP.
- Engagement: full-time, 3 months.
- Location: Remote (based in PL only).
Benefits
- 100% remote, flexible work.
- Work with an experienced team and continuous development of hard and soft skills.
- Dev-friendly processes: Continuous Integration, Continuous Delivery, Code Review and bug bashes.
- Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).
- Inclusive environment and disability-related adaptations during recruitment.
Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.