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Financial Model Development Senior (Python Developer)

Freddie Mac
Freddie Mac Salary
Mc Lean, VA Full Time
POSTED ON 6/26/2026
AVAILABLE BEFORE 7/23/2026
At Freddie Mac, our mission of Making Home Possible is what motivates us, and it’s at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose.

Position Overview:

Are you a seasoned software engineer, eager to break into the demanding fields of data science and machine learning? Are you proficient in Python, and full life cycle software development?

Freddie Mac is currently seeking a senior developer to join the Credit Innovation and Analytics team in the Single-Family division.

This position will play an important role in developing, enhancing and maintaining CIA’s suite of applications, models and tools used for automated evaluation of borrowers’ capacity (assets, income, employment). The person will employ strong software development and analytical skills in the implementation of new products and optimization/ expansion of existing products.

Our Impact:

The CIA team owns credit policy and analytics as it pertains to the borrower’s capacity to repay the mortgage. The team is responsible for developing and implementing technical solutions for automating the manual processes of assessing borrower assets and income using big data, analytics and third-party service providers.

Your Impact:

Your work will primarily involve analytic software design, development and maintenance:

  • Model, implement and test business rules in complex analytics software involving machine learning and data analysis algorithms.
  • Use best practices in software development to create and maintain scalable, robust, reliable, maintainable and elegant software.
  • Work with the business analysts to translate business requirements into software specifications,
  • Develop automated testing strategies and tools, conduct testing, and present results.

Qualifications:

  • Bachelor’s Degree in Computer Science, Engineering, or a related field. Advanced studies/ degree preferred.
  • At least 5 years’ experience in developing analytic and production quality software, following industry best practices.
  • Proficiency in Python, C and Java.
  • Familiarity with AWS EKS and Python web services frameworks such as Flask, Fast API or Django
  • Hands on experience in well disciplined, full stack and full life cycle software development.
  • Fluency in development tools such as Make, Git, shell scripts, gdb, pdb, SQL, RDBMS
  • Experience in model implementation is nice to have.

Keys to Success in this Role:

  • Demonstrate superior technical skills,
  • Ability to collaborate across multiple teams,
  • Keep pace with rapidly changing business needs

Current Freddie Mac employees please apply through the internal career site.

We consider all applicants for all positions without regard to gender, race, color, religion, national origin, age, marital status, veteran status, sexual orientation, gender identity/expression, physical and mental disability, pregnancy, ethnicity, genetic information or any other protected categories under applicable federal, state or local laws. We will ensure that individuals are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

A safe and secure environment is critical to Freddie Mac’s business. This includes employee commitment to our acceptable use policy, applying a vigilance-first approach to work, supporting regulatory mandates, and using best practices to protect Freddie Mac from potential threats and risk. Employees exercise this responsibility by executing against policies and procedures and adhering to privacy & security obligations as required via training programs.

CA Applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

Notice to External Search Firms: Freddie Mac partners with BountyJobs for contingency search business through outside firms. Resumes received outside the BountyJobs system will be considered unsolicited and Freddie Mac will not be obligated to pay a placement fee. If interested in learning more, please visit www.BountyJobs.com and register with our referral code: MAC.

Time-type:Full time

FLSA Status:Exempt

Freddie Mac offers a comprehensive total rewards package to include competitive compensation and market-leading benefit programs. Information on these benefit programs is available on our Careers site.

This position has an annualized market-based salary range of $130,000 - $196,000 and is eligible to participate in the annual incentive program. The final salary offered will generally fall within this range and is dependent on various factors including but not limited to the responsibilities of the position, experience, skill set, internal pay equity and other relevant qualifications of the applicant.

Salary : $130,000 - $196,000

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