Senior Python Back-end Developer

We are currently looking for talent to join a fast-growing Czech FinTech environment (non‑bank lender) that is entering a new phase: evolving a fast-moving startup product into a stable, sustainable enterprise platform. The role involves supporting an existing legacy system while helping build a modern, next‑generation solution in parallel

• and we’re expanding our team to drive this transition. Joining this team means working with a modern tech stack, shaping architecture, and influencing how a proven startup grows into a long-term, resilient product. 🚀 As a Python Engineer, you will:
• design product architecture and implement simple and complex features
• suggest improvements across technical and product areas
• help break down epics and provide technical estimates
• work closely with other developers, QA engineers and managers
• work with business consultants to understand and address needs of business What skills should you have?
• senior-level back-end Python programming with a proven track record of delivering systems to production
• developing clean modules and maintaining high code clarity
• deg and implementing backend services and APIs
• thinking in terms of maintainability, clarity, and long-term evolution of systems
• hands-on experience with MongoDB or similar document databases
• understanding of message queues and event-driven communication patterns
• ability to quickly learn new frameworks, tools, and patterns when needed
• have strong testing culture: write unit (component, integration, and end-to-end tests when applicable) for your features
• using type checking and static analysis as part of daily workflow
• ability to provide thoughtful, constructive code reviews and have commitment to engineering excellence Additionally it would be great if you:
• have experience in FinTech / lending / payments domain
• have experience with AWS (or GCP, Azure) services and cloud infrastructure
• have solid Docker skills and understanding of containerized