(803) Senior Python Backend Developer ( Part-time)
Altoros • Warsaw, Masovian Voivodeship, Poland
No Relocation
Posted: May 7, 2026
Job Description
Altoros - a leading IT services provider is looking for a Senior Python Developer.
Responsibilities:
- Lead incident response (primary), ensuring timely triage and resolution within agreed SLAs
- Perform root cause analysis (RCA)
- Investigate and fix backend bugs in the Django application, including post-launch and integration-related issues
- Tune infrastructure and adjust system configurations to improve reliability and stability
- Resolve dependency compatibility issues across application and infrastructure layers
- Optimize performance of both the application and PostgreSQL database — query tuning, indexing, caching, and connection management
Non-Core (but inevitable) - Observability gaps remediation
- Runbook refinement
- Minor DevOps improvements
- Senior Python Backend Developer – 4+ years of commercial experience building and maintaining production-grade backend systems. Complex systems support.
- Django & DRF – Deep expertise in Django and Django REST Framework. Proven experience designing, documenting, and scaling REST APIs, handling authentication, serialization, pagination, and custom middleware.
- PostgreSQL – Strong command of PostgreSQL. Comfortable with schema design, complex query optimization, indexing, transactions, and ORM best practices (Django ORM / raw SQL).
- Google Cloud Platform – Hands-on experience with GCP, specifically deploying and managing services on Cloud Run and working with managed databases via Cloud SQL. Familiarity with GCP logging, monitoring, and basic CI/CD is expected.
- Excellent interpersonal skills with the ability to directly influence requirement and work independently as required; proactivity.
- B2 level of English or higher
Nice to have requirements
- Experience with DepOps practices and tools
- Admin panel development history using Django
- Experience with HTML, CSS, TS / JS
Additional Content
Altoros - a leading IT services provider is looking for a Senior Python Developer.
Responsibilities:
- Lead incident response (primary), ensuring timely triage and resolution within agreed SLAs
- Perform root cause analysis (RCA)
- Investigate and fix backend bugs in the Django application, including post-launch and integration-related issues
- Tune infrastructure and adjust system configurations to improve reliability and stability
- Resolve dependency compatibility issues across application and infrastructure layers
- Optimize performance of both the application and PostgreSQL database — query tuning, indexing, caching, and connection management
Non-Core (but inevitable) - Observability gaps remediation
- Runbook refinement
- Minor DevOps improvements
- Senior Python Backend Developer – 4+ years of commercial experience building and maintaining production-grade backend systems. Complex systems support.
- Django & DRF – Deep expertise in Django and Django REST Framework. Proven experience designing, documenting, and scaling REST APIs, handling authentication, serialization, pagination, and custom middleware.
- PostgreSQL – Strong command of PostgreSQL. Comfortable with schema design, complex query optimization, indexing, transactions, and ORM best practices (Django ORM / raw SQL).
- Google Cloud Platform – Hands-on experience with GCP, specifically deploying and managing services on Cloud Run and working with managed databases via Cloud SQL. Familiarity with GCP logging, monitoring, and basic CI/CD is expected.
- Excellent interpersonal skills with the ability to directly influence requirement and work independently as required; proactivity.
- B2 level of English or higher
Nice to have requirements
- Experience with DepOps practices and tools
- Admin panel development history using Django
- Experience with HTML, CSS, TS / JS