Demo

Senior Backend Python Engineer

PTR Global
Mc Lean, VA Contractor
POSTED ON 1/8/2026
AVAILABLE BEFORE 6/29/2026
Job Title: Senior Backend Python Engineer
Location: McLean, VA (Fully 5 Days onsite)
Duration: 06 Months Contract
Job id – 990

Key Skills:
  • Strong backend Python (OOP, concurrency, large datasets)
  • SQL (required) | Pandas, NumPy, 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)
Interview Information:
1st round virtual with video mandatory.
2nd round on-site required.

Must Have Qualifications:
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.

JOB DESCRIPTION
Position Overview
  • Freddie Mac’s Investments & Capital Markets division is currently seeking a Sr. Software Developer –who is proficient in Python development to assist us with the development of mission critical application 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 the specialized knowledge in each stage of software development – including server operations, front-end and back-end development, testing, verification and maintenance.
Responsibilities
  • Design, develop, test and support financial engineering applications and services
  • Involve in fixing the defects and addressing the 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.
  • A commitment to collaborative problem-solving, sophisticated design, and quality product is important.
About PTR Global: 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. For more information visit www.ptrglobal.com
At PTR Global, we understand the importance of your privacy and security. We NEVER ASK job applicants to:
  • Pay any fee to be considered for, submitted to, or selected for any opportunity.
  • Purchase any product, service, or gift cards from us or for us as part of an application, interview, or selection process.
  • Provide sensitive financial information such as credit card numbers or banking information. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
Pay Range: $80-85/hr.
The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Our 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 localities where you reside or work.
If you receive a suspicious message, email, or phone call claiming to be from PTR Global, do not respond or click on any links. Instead, contact us directly at 1 214-740-2424. To report any concerns, please email us at legal@pinnacle1.com
Add your LinkedIn Hashtag at end of the job description

Salary : $80 - $85

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