This job was posted more than 40 days ago and might be expired.
(803) Senior Python Backend Developer ( Part-time)
Posted 2 months ago
RemoteWarsaw, Masovian Voivodeship, PolandSE
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
Requirements
- 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
Benefits
We are hoping for fruitful collaboration.
Join Our Team!
Altoros
View company pageEngineering partner for SaaS and product teams: AI Recovery for unstable production systems, Web2/Web3 integrations, custom development, and staff aug
Key team members

Renat Khasanshyn

Alexander Podgrusha

Olga Tikhomirova

Andrei Y.
Apply smarter with Jobr
Jobr aggregates jobs directly from company career portals — no middlemen. Our team applies on your behalf with AI-tailored resumes, reviewed by a human before submission.
Direct from company career pages
AI-personalised cover letters
Human review before every submit
Application tracking & follow-ups