Senior Backend Python Engineer

Job Title: Senior Backend Python Engineer

Location: McLean, VA (Fully 5 Days onsite)

Duration: 06+ Months Contract

Job : 990

• Strong backend Python (OOP, concurrency, large datasets)
• SQL (required) | Pandas, Num Py, SQL Alchemy
• Finance / fixed income experience preferred
• Backend-focused (90-95%); minimal frontend
• Fully on-prem (no AWS, no AI)
• RDBMS only (SQL Server, Sybase, DB2)

• 1st round virtual with video mandatory.
• 2nd round on-site required.

• 2+ years of experience with OOP design and coding, hands‑on development with Python – mostly backend work using Python.
• Solid background in fixed income finance, financial accounting, and capital market.
• SQL using multiple leading database solutions, and Agile development process.
• BA in Computer Science or related field.
• Strong critical thinker and problem solver.

Freddie Mac’s Investments & Capital Markets division is currently seeking a Sr. Software Developer – proficient in Python development to assist us with the development of mission‑critical applications based on modern software development frameworks. The developer will be involved in assisting the team with new features, defect fixes, technical debts, improvements and migration efforts for both our customer‑facing and internal applications/services by applying specialized knowledge in each stage of software development – including server operations, front‑end and back‑end development, testing, verification and maintenance.

• Design, develop, test and support financial engineering applications and services.
• Involve in fixing defects and addressing technical debts to ensure best software development practices are met.
• Write clean, robust, high‑quality code following best practices and backed by automated unit and integration tests with full coverage.
• Coordinate with the rest of the team working on different layers of the infrastructure.
• Assist with the infrastructure upgrades and adoption of new technologies.
• Commit to collaborative problem‑solving, sophisticated design, and quality product.

PTR Global is a leading provider of information technology and workforce solutions. PTR Global has become one of the largest providers in its industry, with over 5000 professionals providing services across the U.S. and Canada.

PTR Global does not ask job applicants to pay any fee to be considered for, submitted to or selected for any opportunity, or purchase any product, service, or gift cards from us as part of an application or interview process.

$80-85/hr.

Compensation will be determined by factors such as scope, complexity, location, skills, education, and experience. Full‑time consultants have access to benefits including medical, dental, vision, and 401K contributions, as well as PTO, sick leave, and other benefits mandated by applicable state or local regulations.

#LI-HY1