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November 4, 2026
Senior Python Developer
Senior • Remote
Warsaw, Poland
Quick Facts
- Role: Senior Python Developer
- Focus: Backend services for an AI-powered regulatory document analysis assistant
Description
Build and maintain robust backend services in an existing application. You’ll write scalable, well-tested Python (FastAPI) code, integrate with PostgreSQL, and implement background jobs with Celery. You’ll also troubleshoot production issues, optimize performance, and support deployments using Docker, CI/CD, and a basic Kubernetes understanding.
Responsibilities
- Write clean, concise, and scalable Python code with unit testing
- Implement new requirements in an Agile environment following architectural standards
- Diagnose complex backend/production issues using monitoring, telemetry, and logging
- Improve backend reliability through testing, troubleshooting, and performance optimization
- Work with Dockerized backend services and participate in CI/CD using GitHub Actions
- Support troubleshooting of deployments using basic Kubernetes, Argo CD, and Helm
- Use networking and infrastructure knowledge to investigate Azure-based backend issues
- Contribute to architecture and design discussions
Requirements
- 5+ years of Python development experience
- Backend service development with Python and FastAPI
- Clean, efficient, testable code for scalable systems
- Relational database integration, primarily PostgreSQL
- Background processing and task queues with Celery
- Complex backend troubleshooting (including Azure environments)
- Collaboration on architecture and code reviews using GitHub
- Performance optimization and testing (e.g., Pytest)
- Knowledge of infrastructure and monitoring tools (Docker, Kubernetes, OpenTelemetry, ArgoCD)
- Proactive learning and adoption of new backend/cloud technologies
- English B1+
Benefits
Supportive, well-organized, and fair workplace conditions with a benefits package shared during interviews.
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