Senior Python Developer
Job Location:
McLean, MD - USA
Monthly Salary:
Not provided by the employer
Posted:
9 September 2026 (3 hours ago)
Application Deadline:
7 December 2026
Vacancies:
1 Vacancy
Job Summary
Job Description
Must Have Qualifications: At least 4 years of hands-on software development experience using a
modern programming language (e.g. Python Java OR C##). Candidate must have Git version
control SQL and Unit testing. Preferred: Shell scripting financial domain with fixed income
knowledge graduate degree in Computer Science or Mathematics -similar degrees Certs -CFA
FRM CPA.
Financial Engineering:
Senior Software Developer (Specializing Financial Accounting Applications) - CW
Freddie Mac - McLean VA
Position Overview
Freddie Macs Investments & Capital Markets division is currently seeking a Sr. Software Developer
who can contribute to the firms enterprise forecasting platform that supports long-term financial
projections enabling strategic planning and decision-making. The developer will be involved in
developing and enhancing core features of the forecasting engines to improve model accuracy
performance and scalability as well as providing support for critical quarterly/yearly production
runs used in financial reporting to ensure the integrity accuracy and timeliness of outputs. The
developer will also collaborate closely with FP&A and other stakeholders to implement new
forecasting capabilities support scenario analysis and meet evolving business and regulatory
requirements.
Responsibilities
Refactor and modernize existing components of the financial accounting and forecasting
application to improve maintainability performance and scalability.
Develop and enhance core forecasting engine features to improve model accuracy runtime
efficiency and enterprise readiness.
Support critical quarterly production runs for financial reporting by monitoring execution
troubleshooting issues and ensuring integrity accuracy and timeliness of outputs.
Diagnose and resolve defects reduce technical debt and drive continuous improvements
to ensure alignment with software engineering best practices.
Write clean robust high-quality code following best practices supported by automated
unit and integration tests with strong coverage.
Coordinate with team members across different layers of the stack (data services APIs
and infrastructure) to deliver end-to-end solutions.
Partner with FP&A and other stakeholders to implement new forecasting capabilities
enable scenario analysis and meet evolving business and regulatory requirements.
Assist with infrastructure upgrades platform migrations and adoption of new technologies
to improve reliability security and operational efficiency.
Contribute to design discussions code reviews and documentation; demonstrate a
commitment to collaborative problem-solving thoughtful design and high-quality
deliverables
Qualifications
At least 4 years of hands-on software development experience using a modern
programming language (e.g. Python Java).
1-2 years of experience using Git for source control in a team-based development
environment.
1-2 years of experience with SQL and relational database development.
1-2 years of experience with containerization and orchestration technologies (e.g. Docker
Podman Kubernetes).
Proficiency with shell scripting for automation troubleshooting and operational support.
1-2 years of experience with unit testing frameworks (e.g. Pytest JUnit) and implementing
automated test coverage.
An understanding of fixed income concepts including duration convexity spread and
option-adjusted spread (OAS).
Good oral and written communication skills
Strong critical thinking problem-solving skills business acumen and familiarity with Agile
development processes.
Preferred Skills
Graduate degree in a quantitative discipline (e.g. Computer Science Mathematics
Statistics or related field).
Strong understanding of GAAP accounting fundamentals including revenue/expense
recognition and amortization.
CFA/FRM (or significant progress toward CFA/FRM/CPA).
Strong oral and written communication skills with the ability to clearly articulate technical
and business concepts.
Experience engaging with stakeholders to gather requirements align on priorities and drive
delivery.
Exposure to product and project management tools (e.g. JIRA) to support planning
tracking and execution.
Must Have Qualifications: At least 4 years of hands-on software development experience using a
modern programming language (e.g. Python Java OR C##). Candidate must have Git version
control SQL and Unit testing. Preferred: Shell scripting financial domain with fixed income
knowledge graduate degree in Computer Science or Mathematics -similar degrees Certs -CFA
FRM CPA.
Financial Engineering:
Senior Software Developer (Specializing Financial Accounting Applications) - CW
Freddie Mac - McLean VA
Position Overview
Freddie Macs Investments & Capital Markets division is currently seeking a Sr. Software Developer
who can contribute to the firms enterprise forecasting platform that supports long-term financial
projections enabling strategic planning and decision-making. The developer will be involved in
developing and enhancing core features of the forecasting engines to improve model accuracy
performance and scalability as well as providing support for critical quarterly/yearly production
runs used in financial reporting to ensure the integrity accuracy and timeliness of outputs. The
developer will also collaborate closely with FP&A and other stakeholders to implement new
forecasting capabilities support scenario analysis and meet evolving business and regulatory
requirements.
Responsibilities
Refactor and modernize existing components of the financial accounting and forecasting
application to improve maintainability performance and scalability.
Develop and enhance core forecasting engine features to improve model accuracy runtime
efficiency and enterprise readiness.
Support critical quarterly production runs for financial reporting by monitoring execution
troubleshooting issues and ensuring integrity accuracy and timeliness of outputs.
Diagnose and resolve defects reduce technical debt and drive continuous improvements
to ensure alignment with software engineering best practices.
Write clean robust high-quality code following best practices supported by automated
unit and integration tests with strong coverage.
Coordinate with team members across different layers of the stack (data services APIs
and infrastructure) to deliver end-to-end solutions.
Partner with FP&A and other stakeholders to implement new forecasting capabilities
enable scenario analysis and meet evolving business and regulatory requirements.
Assist with infrastructure upgrades platform migrations and adoption of new technologies
to improve reliability security and operational efficiency.
Contribute to design discussions code reviews and documentation; demonstrate a
commitment to collaborative problem-solving thoughtful design and high-quality
deliverables
Qualifications
At least 4 years of hands-on software development experience using a modern
programming language (e.g. Python Java).
1-2 years of experience using Git for source control in a team-based development
environment.
1-2 years of experience with SQL and relational database development.
1-2 years of experience with containerization and orchestration technologies (e.g. Docker
Podman Kubernetes).
Proficiency with shell scripting for automation troubleshooting and operational support.
1-2 years of experience with unit testing frameworks (e.g. Pytest JUnit) and implementing
automated test coverage.
An understanding of fixed income concepts including duration convexity spread and
option-adjusted spread (OAS).
Good oral and written communication skills
Strong critical thinking problem-solving skills business acumen and familiarity with Agile
development processes.
Preferred Skills
Graduate degree in a quantitative discipline (e.g. Computer Science Mathematics
Statistics or related field).
Strong understanding of GAAP accounting fundamentals including revenue/expense
recognition and amortization.
CFA/FRM (or significant progress toward CFA/FRM/CPA).
Strong oral and written communication skills with the ability to clearly articulate technical
and business concepts.
Experience engaging with stakeholders to gather requirements align on priorities and drive
delivery.
Exposure to product and project management tools (e.g. JIRA) to support planning
tracking and execution.
Required Skills:
SHELL SCRIPTINGPYTHONJAVAJIRAGITSTATISTICSDOCKERSQLKUBERNETESJUNITUNIT TESTINGPYTEST