Sr. Python Developer

MUST HAVE all skills in JD – React, azure devops, fastapi, python developer

Sr. Python Developer

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.