Senior Backend Software Engineer (Python).

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is… Wait, it’s nothing! The number of projects is growing, and with them, our team too. We are looking for Senior Backend Software Engineer (Python).

We are looking for a Senior Backend Software Engineer (7+ years) to join an Agile team and work closely with the Software Architect to deliver production-grade systems.

You will take full ownership of features end-to-end — from design and implementation to testing, deployment, and support. This is a hands-on role with strong responsibility for code quality, performance, and security.

Key Requirements

7+ years of backend development experience
Strong Python (FastAPI, async/await, type hints)
REST API design and event-driven architectures
Experience with PostgreSQL and SQL optimization; familiarity with NoSQL (Redis, MongoDB, Elasticsearch)
Docker, basic Kubernetes, Linux
CI/CD pipelines and Git workflows
Testing (pytest, TDD, integration testing)
Message brokers (Kafka, RabbitMQ, Redis)
Secure coding (OWASP, OAuth2, JWT, OpenID Connect)
Strong communication in English