HubMub
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FYST

Senior Python Developer

FYST
Ukraine · Full-time · Mid-Senior
What You'll Be Working On

  • 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

What You Need To Succeed In This Role

  • 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.

What We Offer

  • 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

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Key Skills

Ranked by relevance

kubernetes fastapi django gitlab cicd fault tolerance message queues rabbitmq grafana python docker cloud grpc aws gcp
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Posted
Nov 06, 2025
Type
Full-time
Level
Mid-Senior
Location
Ukraine
Company
FYST

Industries

Internet Publishing

Categories

Engineering Information Technology

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