May 29, 2026

Senior Python Developer (FastAPI) — iGaming

Senior • Remote

Wroclaw, Poland

About us
We are a fast-growing iGaming company building modern, scalable products for international markets. We work in a fully remote, international setup and value clean code, ownership and pragmatic engineering over buzzwords.


About the role

We are looking for a Senior Python Developer with strong FastAPI experience to join our backend team. You will be designing and developing high-performance services that power our core products, working closely with product, design and other engineers.


What you'll do
- design, build and maintain backend services and REST APIs using Python and FastAPI
- integrate with internal and third-party systems
- write clean, testable, well-documented code
- participate in code reviews, technical discussions and architectural decisions
- contribute to improving our development practices, CI/CD and code quality


What we expect
- 5+ years of commercial experience with Python
- strong, hands-on experience with FastAPI in production
- solid background in web development (REST API design, async, auth, data validation)
- good command of SQL databases (PostgreSQL/MySQL) and at least one NoSQL store (Redis, MongoDB)
- experience with Docker, Git and CI/CD pipelines
- comfortable writing tests (pytest)
- English at B2+ level


Nice to have
- experience in iGaming, fintech or other high-load industries
- message queues (RabbitMQ, Kafka, Celery)
- cloud platforms (AWS/GCP)
- Pydantic, SQLAlchemy, Alembic
- microservices and event-driven architecture


What we offer
- B2B contract, fully remote
- competitive salary in EUR
- international, English-speaking team
- modern tech stack and real ownership of what you build
- flexible working hours

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Krakow, Poland

170 - 200 PLN

🏢 Summary: Senior Python Engineer role focused on building AI-powered products and internal platforms using Python and modern cloud technologies. The position involves developing secure, production-grade backend systems, contributing to frontend components, and implementing AI-driven solutions such as agentic systems and vector search. Work is delivered in agile teams with strong emphasis on cloud-native architecture and high engineering standards. 🗂️ Requirements: Bachelor’s or Master’s degree in technical field, 7+ years software development experience, Senior-level experience in large tech environment, Strong Python backend experience, Production experience with FastAPI, Hands-on experience with cloud platforms, Experience with Docker or Kubernetes, Experience with SQL and NoSQL databases, Experience with messaging queues, Practical experience with AI systems in production 📃 Skills: Python, FastAPI, Django, Vue, React, Angular, Svelte, AWS, Azure, GCP, Docker, Kubernetes, SQL, NoSQL, Pinecone, CrewAI, MCP, A2A, Microservices 🏢 Description: We’re looking for a Senior Python Engineer to help build AI‑powered products and internal platforms used across the company. You’ll join a fast‑moving engineering team where AI accelerates development, improves productivity, and shapes how new solutions are delivered. Security, compliance, and high engineering standards are essential, especially for production systems handling sensitive data. What you’ll do Build end‑to‑end features using Python (FastAPI, Django) as your primary backend stack. Contribute to frontend development when needed — experience with Vue is a plus, but React, Angular, or Svelte are also welcome. Develop cloud‑native systems on AWS, Azure, or GCP, working with containers, databases, and messaging systems. Contribute to AI initiatives, including agentic systems, vector search, and prompt‑driven workflows. Work in small, agile squads with the flexibility to move between projects as priorities evolve. Required qualifications Bachelor’s or Master’s degree in a technical field. At least 7 years of software development experience, including senior‑level work in a large tech environment. Strong backend experience with Python and FastAPI, with proven production delivery. Frontend experience is a plus (Vue preferred, but any modern JavaScript framework is welcome). Hands‑on experience with cloud platforms, Docker or Kubernetes, SQL and NoSQL databases, and messaging queues. Practical experience working with AI systems or AI‑driven features in production environments. Preferred qualifications Experience with vector databases such as Pinecone or Azure AI Search. Knowledge of prompt engineering, context management, and LLM‑driven workflows. Experience with agentic AI frameworks such as CrewAI, Microsoft Agent Framework, or AWS Agent Core. Familiarity with agentic protocols like A2A or MCP. Background in distributed systems and microservices. Experience working in agile teams. Understanding of agentic AI concepts or hands‑on exposure to agent‑based architectures. Strong grasp of engineering best practices, design patterns, and secure coding. Clear communication skills and the ability to explain technical concepts.