Software Engineer, Senior
Freddie MacRole Overview
Freddie Mac is hiring a Software Engineer, Senior. This is a full-time role in McLean. Part of Freddie Mac's Data Science hiring, posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
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. Continue your career journey where your work contributes to a greater purpose.
Position Overview:
Are you interested in using your software engineering skills to build numerical systems that enable machine learning and analytics on large data sets? Financial Engineering is seeking a Senior Software Engineer to develop production systems that involve data science and machine learning. We are looking for a creative and talented individual who loves to code. Apply now and learn why there’s #MoreAtFreddieMac!
Our Impact:
- We partner with the Single-Family Collateral Modeling team which is responsible for the firm’s Automated Valuation Model
- We build systems to make their models, data, and analytics available for business use
- We ensure that our systems are robust, scalable and fault-tolerant
Your Impact:
- Implement new models and data transformations using Python based technologies such as PySpark and Pandas
- Fully utilize AWS services such as Elastic Map Reduce (EMR) to parallelize the process and reduce the runtime
- Optimize Python code to reduce runtime and memory usage
- Write high quality automated tests to validate your code
- Peer review other team member’s code and help them with design and implementation challenges
- Design, develop and support a custom-built AWS native solution for distributed computing. The current system is written in Python and uses EMR, DataSync, S3, SQS, Lambda and DynamoDB.
Qualifications
- At least 5 years of experience developing in Python
- College Degree in Computer Science or equivalent experience; advanced studies/degree preferred.
- Experience building production systems for business-critical processes.
- Experience with building and integrating tools, including knowledge of Gradle, Jenkins, Git and Docker.
- Experience developing large microservice based architectures, container orchestration frameworks.
- Experience writing automated unit, integration, regression, performance and acceptance tests
- Solid understanding of software design principles
Keys to Success in this Role:
- Passionate about hands-on software development
- Strong collaboration and communication skills (both written and verbal), including interacting with data scientists on technical topics
- Desire to continuously improve the technical quality and architecture of our systems to respond to business needs
- Ability to quickly learn, apply and deploy new technologies to solve emerging problems
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.
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.
Frequently Asked Questions
How do I apply for the Software Engineer, Senior position at Freddie Mac?
Use the Apply button above to submit your application directly to Freddie Mac. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Software Engineer, Senior position at Freddie Mac located?
This position is based in McLean. Freddie Mac has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Software Engineer, Senior at Freddie Mac earn?
Freddie Mac has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Software Engineer, Senior role at Freddie Mac posted?
This role was posted on June 18, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Software Engineer, Senior role at Freddie Mac require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Freddie Mac lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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