Python Developer

🚨 Hiring Now | Python Developer (Financial Modeling / Data Transformation) | W2 & C2C Contract | McLean, VA (100% Onsite) We are seeking a Senior Python Developer to support a major Financial Services / Data Transformation Program. This role requires a strong full-stack Python engineer with hands-on experience in Python development, financial modeling, Snowflake, SQL, React, and modern Python frameworks. The ideal candidate will have strong senior-level Python coding skills and the ability to complete technical coding exercises while clearly explaining their approach, reasoning, and design decisions. Job Title: Python Developer – Financial Modeling Location: McLean, VA (100% Onsite) Contract Type: Contract Only Duration: Through Dec 31, 2026 Openings: 2 Interview Process: 2 Rounds (MS Teams Video + Onsite Interview) Visa: Open to C2C Candidates Required Skills ✅ 5+ years of professional Python development experience ✅ Strong backend and frontend development experience ✅ Advanced Python coding skills with ability to solve complex coding problems ✅ Experience with financial modeling / forecasting models ✅ Strong SQL skills including complex query analysis and optimization ✅ Hands-on experience with Snowflake data warehouse and APIs ✅ Experience building REST APIs and web applications ✅ Strong knowledge of Python frameworks: • Django • FastAPI ✅ Experience with Python libraries: • Pandas • NumPy • SciPy • Scikit-learn Key Responsibilities • Develop and maintain financial forecasting models using Python. • Analyze, convert, and optimize complex SQL queries to support new data sources. • Build applications to source securitization data from enterprise data warehouses. • Support large-scale data migration initiatives while ensuring data integrity. • Work with Snowflake for data warehousing, migration, and analytics. • Design and develop REST-based applications and integrations. • Collaborate with data architects, business analysts, model implementation teams, and technology partners. • Build scalable solutions following architecture design patterns and best practices. Technical Environment Backend: • Python • Django • FastAPI • REST APIs • Pandas • NumPy • SciPy • Scikit-learn Frontend: • React 18 • Material UI • JavaScript / Web Development Database / Data: • Snowflake • SQL Server • Sybase • MySQL • SQL & NoSQL Databases DevOps / Tools: • Git / Bitbucket / GitLab • Jenkins • Docker • Linux • Jira • Gradle • CI/CD Pipelines • PyTest / UnitTest / Mocking Frameworks Preferred Qualifications • Experience supporting financial institutions or investment banking environments. • Background in financial data modeling, securitization data, or corporate data warehouses. • Experience with ETL tools and data pipeline orchestration. • Strong understanding of software architecture patterns and scalable application design. • Ability to independently drive technical solutions and collaborate across teams. Ideal Candidate Profile ⭐ Senior Python Developer with 5–10 years of experience ⭐ Strong full-stack development background ⭐ Financial services / banking domain experience ⭐ Expert-level Python coding ability ⭐ Strong SQL + Snowflake experience ⭐ Experience developing financial models and data-driven applications 📩 Interested candidates please share: • Updated Resume • Current Location • Work Authorization • Availability for onsite work in McLean, VA • Rate Expectations Availability for interview