Senior Python Developer - Freelance

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 250 PLN/h Contract: Freelance B2B Start date: ASAP Engagement: full-time, long-term Location: Remote (based in PL only) Polish language is a must-have About the project We're looking for a Senior Python Developer to join a project at the intersection of applied AI and data engineering. The team is building image-processing capabilities powered by multimodal AI models, and in parallel migrating the underlying task-processing platform to a scalable architecture that can handle high-volume requests. You'll work closely with a DevOps team, so deep cloud expertise in every platform isn't required - but comfort picking up new ground is. What you'll do Design and build features that use Vision-Language Models / multimodal AI (e.g. Gemini Vision, GPT-4o, Claude 3.5 Sonnet) to process and reason over images. Write and refine prompts for vision-specific use cases (image understanding, visual question answering, multimodal RAG). Prototype and build AI agents / agentic workflows that automate image- and document-processing tasks. Redesign and scale our Apache Airflow orchestration layer - custom operators, DAG architecture, executor/queuing strategy - to support significantly higher request volume. Deploy and operate services in the cloud, primarily Azure, alongside our DevOps team. Write clean, tested, production-grade Python and participate in architecture and code review discussions. Requirements Requirements Must-have: Strong, senior-level Python skills, with a track record of shipping production systems. Hands-on experience integrating an LLM or vision-AI API into a real product (any of: Gemini Vision, GPT-4o / GPT-4V, Claude 3.5 Sonnet, or comparable Vision-Language Models). Practical experience with prompt engineering , ideally for vision/multimodal tasks. Advanced Apache Airflow experience - custom operators, dynamic DAG design, and scaling task queuing/execution (e.g. CeleryExecutor, KubernetesExecutor). Working experience with at least one major cloud provider (AWS, GCP, or Azure) and willingness to work in an Azure environment. Good spoken and written English for a cross-functional, international team. Nice-to-have: Hands-on experience with Google's AI stack specifically (Vertex AI, Gemini API, Google Agent Builder / ADK). Experience building AI agents or agentic workflows (LangChain, LangGraph, CrewAI, AutoGen, or similar). Direct Azure experience. Experience with Multimodal RAG or Visual Question Answering (VQA) use cases. General DevOps / CI-CD exposure. Polish language at C2 (native) 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!