Senior Full-Stack Engineer w Polska

Senior engineer delivering features end to end: React / https://jobeax.com/link/Z30sZYC3jcRenVso front end, Python (FastAPI / Django) back end, database integration and CI/CD deployment to Azure. Accountable for taking assigned features from design through to production.

Responsibilities

Key tasks

Deliver features end to end across the React / https://jobeax.com/link/Z30sZYC3jcRenVso front end and Python (FastAPI / Django) back end.

Design APIs and database integration (PostgreSQL, Cosmos DB) for the features owned.

Wire up and maintain CI/CD pipelines deploying to Azure (Azure DevOps / GitHub Actions, containers, IaC).

Keep front-end and back-end contracts consistent (OpenAPI / GraphQL schema as source of truth).

Write unit, integration and E2E tests; automate deployment readiness checks.

Resolve cross-layer defects found in UAT and production.

Responsibilities and accountabilities

End-to-end delivery of assigned features through to production, including release notes and runbooks.

Consistency between front-end and back-end contracts and shared TypeScript / Pydantic models.

Deployment readiness: pipelines, environment configuration, feature flags and rollback.

Cross-layer defect resolution and root-cause analysis.

Skills

Must have

Bachelor's degree in Computer Science, Engineering, Information Systems or a related field, or equivalent practical experience.

7+ years of software development with 4+ years delivering full-stack features (React front end, Python back end) and 2+ years deploying to Azure.

TypeScript, React 18+, Next.js; state management (Redux / Zustand); Jest / Cypress.

Python 3.11+, FastAPI and/or Django, SQLAlchemy / Django ORM, pytest.

Azure: App Service / Container Apps / AKS, Azure SQL or PostgreSQL, Cosmos DB, Key Vault, Application Insights, API Management.

CI/CD with Azure DevOps or GitHub Actions; Docker; Bicep or Terraform at working level.

REST and GraphQL design, authentication (OAuth2 / OIDC, Azure AD / Entra ID).

Nice to have

AWS or GCP experience.

Messaging (Service Bus, Event Grid), background processing (Celery, Functions).

Azure certifications (AZ-204).

Experience in financial services, sovereign wealth / investment holding or other regulated enterprise environments.

Other

Languages

English: C1 Advanced

Seniority

Lead