Sr. Python Developer - Hybrid - In-Person Interview - W2 Only

  • Chicago, IL
  • Posted 1 day ago | Updated 1 day ago

Overview

Hybrid
Depends on Experience
Contract - W2
Contract - Independent

Skills

Python Web framework
Modern async programming
SQL/ORM
CS fundamentals
GitHub /Azure DevOps

Job Details

Title: Sr. Python Developer - Hybrid - In-Person Interview - W2 Only

Location: Chicago, IL, USA

Length: Long term

Restriction: W2 Only

Description:

Complete Description:

  • Design & build production-grade services and APIs (Fast API / 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 Open Telemetry; create actionable dashboards/alerts

Required Skills:

  • 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 (SQL Alchemy/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.
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