Sr. Python Developer (React, Azure Devops, FastAPI)

Sr. Python Developer (React, Azure Devops, FastAPI)

Chicago, IL (Hybrid)

12 Months Contract

Job Description:

• Design & build production-grade services and APIs (FastAPI / Django / Flask) using clean, well-tested Python.
• Architect scalable systems (microservices, event-driven patterns, async I/O, caching) with high availability and failover.
• Data & Storage: model schemas; write efficient SQL; integrate with Postgres/MySQL, caching (Redis)
• Performance & Reliability: profile (cProfile, py-spy), tune hot paths, apply back-pressure, circuit breakers, retries, and idempotency.
• Security & Compliance: enforce authN/Z, secrets management, secure coding, dependency hygiene (SCA), and data protection.
• DevOps & Quality: code reviews, automated testing (pytest), static typing (mypy/pyright), linting, and CI/CD best practices.
• Cloud & Platform: containerize ; deploy to Kubernetes or serverless (Azure Functions); manage IaC (Terraform).
• Observability: instrument with OpenTelemetry; create actionable dashboards/alerts

Minimum Qualifications:

• 10 years of professional software engineering with Python in production.
• Deep expertise with at least one Python web framework (FastAPI, Django, or Flask) and modern async programming.
• Strong CS fundamentals: algorithms, data structures, and concurrency.
• Proven experience designing distributed systems and event-driven architectures.
• Solid SQL/ORM experience (SQLAlchemy/Django ORM) and schema design.
• Mastery of testing (unit/integration/contract), CI/CD (GitHub /Azure DevOps), and release strategies.
• Hands-on with cloud (Azure), containers, Kubernetes, and infrastructure automation.
• Excellent communication; ability to lead cross-functional initiatives.

Nice To Have:

• Security Background: OAuth2/OIDC, Key Vault/Secrets Manager, threat modeling, SDLC governance.
• FinTech domain experience.
• Front-end familiarity (React) for API-consumer alignment.