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Senior Backend Services Engineer Python/FastAPI

Maxima Technologies, LLCChicago, IL🇺🇸United StatesPosted Oct 26, 2026

Quick overview

SeniorityMid Senior
Work modeHybrid
LocationChicago, IL, United States
Posted19 hours ago
FastAPIMicroservicesSQLGitPythonGenerative AIREST

Job description

Key Responsibilities
  • Design, develop, test, and support scalable backend services, middleware, and APIs
  • Build production applications using Python and FastAPI
  • Develop microservices and service-layer applications
  • Integrate applications with relational, NoSQL, and cloud databases
  • Build integrations with enterprise APIs and external systems
  • Independently own development work from requirements through production
  • Quickly understand and enhance existing applications and codebases
  • Troubleshoot complex application, database, and integration issues
  • Write clean, maintainable, production-quality code
  • Leverage GitHub Copilot, Codex, Claude Code, Cursor, or similar AI coding tools
  • Collaborate with engineering, product, and data teams to meet aggressive deadlines

Required Qualifications
  • Extensive senior-level backend/software engineering experience
  • Advanced hands-on Python development MUST HAVE
  • Strong FastAPI development MUST HAVE
  • Experience building middleware, REST APIs, microservices, and backend services
  • Strong database experience across SQL, NoSQL, and/or cloud platforms
  • Enterprise application and API integration experience
  • Strong software engineering fundamentals, testing, debugging, and production support
  • Ability to independently own complex engineering work with minimal supervision
  • Experience working in fast-paced environments with aggressive deadlines
  • Hands-on experience using AI coding assistants such as GitHub Copilot/Codex, Claude Code, or Cursor

Preferred
  • Frontend development experience
  • Experience working across multiple database technologies
  • Experience modernizing or enhancing existing enterprise applications

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