Senior Python Developer

Benefits

• Onsite
• Competitive salary
• Opportunity for advancement

Title: Senior Python Developer

Location: McLean, VA – 100% Onsite (Monday to Friday)

Duration: Long Term

Interview Mode: In-Person

We are seeking a Senior Software Developer with strong Python expertise to support mission-critical applications built on modern software development frameworks.

The developer will contribute to new feature development, defect resolution, technical debt reduction, enhancements, and migration efforts across both customer-facing and internal applications. The role spans full lifecycle development including server operations, backend and frontend work, testing, validation, and ongoing maintenance.

• 10+ years of hands-on professional experience in Python development
• Strong experience building scalable applications using:
  • Pandas
  • Pytest
  • Num Py
  • Flask
• Solid understanding of:
  • Design patterns
  • OOP principles
  • Data structures
  • Algorithm optimization
• Experience with build and integration tools:
  • Python workflow tools
  • Jenkins
  • Git
  • Docker
• Familiarity with databases such as:
  • SQL Server
  • Sybase
  • Redis
  • MongoDB
• Prior experience in Financial / Mortgage / Fintech domain is required
• Strong financial or accounting acumen to understand business requirements and validate feature implementations

• Design, develop, test, and support financial engineering applications and services
• Resolve defects and address technical debt while maintaining best development practices
• Write clean, maintainable, high-quality code with strong unit and integration test coverage
• Collaborate across infrastructure layers and cross-functional teams
• Support infrastructure upgrades and new technology adoption
• Contribute to collaborative problem-solving and high-quality system design