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.

• *Key Requirements**
• 10+ years of hands-on professional experience in Python development
• Strong experience building scalable applications using:
• Pandas
• Pytest
• NumPy

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

• *Responsibilities**
• 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