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

Chicago 11 days agoContractor External
Negotiable
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.