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Backend Developer (Python/Django)

Quest CE

Salary not specified
Sep 2, 2025
Milwaukee, WI, US
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Quest CE is seeking to modernize their platform using today’s best tools and practices in the financial services industry

Requirements

  • Extensive professional experience (5-7+ years minimum) with Python/Django, including ORM and complex queries
  • Strong grasp of REST principles and secure API design
  • Hands-on expertise with Django REST Framework (API architecture, Viewsets, tests)
  • Proficiency with relational databases (PostgreSQL)
  • Familiarity with PyTest and test automation practices
  • Knowledge of backend security practices (CSRF, SQL injection prevention, secrets handling)
  • Experience building custom authentication in Django

Responsibilities

  • Design and maintain backend services with Python/Django
  • Build robust APIs using Django REST Framework (including Viewsets, pagination, and versioning)
  • Write and optimize SQL queries for PostgreSQL and MSSQL
  • Implement authentication, authorization, and role-based access control
  • Apply best practices for security, performance, and reliability (query optimization, caching, indexing)
  • Ensure code quality with unit, integration, and API testing using PyTest
  • Add observability with logging and metrics to support monitoring and debugging

Other

  • Strong communicator with a mindset of continuous improvement and iteration
  • 5-7+ years minimum of professional experience
  • Hybrid-friendly: We value candidates in the Milwaukee area, while supporting flexibility for remote collaboration
  • Collaborate across teams to deliver features end-to-end
  • Be part of a collaborative culture that values feedback, innovation, and growth