Senior Python Developer

• Analysis of the existing program code, identification and elimination of errors
• Development of program code for company projects
• Interaction with the development department, testing
• Support and development of integrations with side services.

 

• 5+ years of professional experience with Python 3.10+, with a deep understanding of its asynchronous programming model
• Domain knowledge in payment systems or financial flows 
• Strong hands-on experience with asyncio, FastAPI or aiohttp, SQLAlchemy, and Django ORM
• Experience in system design (Scalability, Reliability & Fault Tolerance, Security, Performance)
• Practical experience with microservice architectures, API development, and service-to-service communication (REST, GRPC)
• Knowledge of and experience with message queues like RabbitMQ or Kafka
• Experience writing and maintaining unit/integration tests with modern testing frameworks
• Experience with Grafana loki(LogQL), Jaeger/Tempo
• Familiarity with gitlab CI/CD, Docker, Kubernetes, Helm, and cloud infrastructure (e.g., AWS, GCP) is a plus
• Knowledge of how 3ds2 flow works is a big plus
• Good English communication skills (written and spoken) and fluent russian. 

OUR TECH STACK

Python 3.12, FastAPI, Django, async gRPC, asyncio, pytest, GitLab CI/CD, Kubernetes (K8s), Helm, PostgreSQL.
 

• An opportunity to make something great even greater, you can be the reason why we grow, develop, and become the best fintech company on the market!
• Career prospects - we are young, we have huge ambitions, and it is important that our employees grow with us 
• Work with coworkers who are passionate about their business
• Compensation that will fully correspond to the competence and knowledge, with yearly performance reviews
• Remote type of work
• 20 days of vacation time; bank holidays; Sick leaves; Additional birthday day off

You can find out more about our team, our values, and the unique ways we celebrate our successes here: https://fyst.com/culture