Python Developer

Responsibilities:

• Develop, maintain, and optimize backend and frontend services using Python;

• Design and implement REST APIs for payment processing and third-party integrations;

• Integrate external payment providers (PSPs), including pay-in, pay-out, and payment status callbacks;

• Ensure secure, reliable, and efficient processing of payment transactions and sensitive data;

• Actively use AI-assisted development tools such as Claude Code and OpenAI Codex in daily workflows;

• Deploy and maintain services in Kubernetes environments;

• Monitor application performance, troubleshoot issues, and improve system reliability;

• Write clean, maintainable code and automated tests;

• Participate in code reviews, technical discussions, and release processes;

• Collaborate with internal teams and external payment providers to resolve integration and technical issues.

Requirements:

• 2+ years of commercial experience in Python development;

• Hands-on daily experience with AI coding tools such as Claude Code, OpenAI Codex, or similar solutions;

• Strong experience with FastAPI and/or Django;

• Solid understanding of asynchronous programming in Python (asyncio, async/await, event loop);

• Good knowledge of PostgreSQL, including database design, indexing, and query optimization;

• Practical experience with MongoDB and Redis;

• Experience with message brokers such as RabbitMQ or similar technologies;

• Experience with Docker and a good understanding of Kubernetes deployment and operations;

• Understanding of CI/CD processes, preferably GitLab pipelines;

• Ability to write clean, scalable, testable, and maintainable code;

• English B1+ for reading technical documentation and written communication.