Python Developer

    Highlights

    Support critical quarterly production runs for financial reporting by monitoring execution, troubleshooting issues, and ensuring integrity, accuracy, and timeliness of outputs. Looking specifically for strong Python developers who understand design patterns and solid software engineering practices.

    Numbers & Facts

    LocationMclean, VA

    Description

    Role Focus: Looking for a true Software Developer, NOT a Financial Analyst or Accountant.
    Domain Background: Strong preference for candidates with a finance, accounting, or risk management background (risk management is a major plus).
    Education: College degree is preferred, but strong technical experience remains key.
    Stakeholder Interaction: Daily direct interaction with business users (FP&A, accounting teams) is expected.
    Technical Stack & Architecture
    Primary Language: 100% Python for both roles (Java/C# listed are secondary). Looking specifically for strong Python developers who understand design patterns and solid software engineering practices.
    Data & Infrastructure:
    Database: SQL is heavily used for backend database operations.
    CI/CD: Jenkins is core to their deployment pipeline.
    Cloud Status: Currently 100% On-Premises (Not on AWS yet, though a cloud migration may be a future project).
    Recruiter Screening Key Takeaways
    Must Have: Production Python with design pattern awareness, SQL, Git, and daily client/business-facing communication skills.
    Nice to Have: Risk management background, fixed income knowledge, Jenkins, and containerization.
    Disqualifier: Candidates whose primary background is financial analysis or accounting without hands-on software development experience.
    Must Have Qualifications: 3+ years of hands-on professional Python software development
    experience and a bachelor's degree or 1-2 years of professional Python development experience
    with an advanced degree in quantitative field. Candidate must have experience with production
    grade coding (not scripting), Git, SQL, Pandas, and unit testing, along with good communication
    skills. Financial industry experience and prior business facing experience are preferred.


    Supplier Vetting Questions:
    1) How do you handle challenges or difficult situations - please provide an example?
    2) How do you set goals - please provide an example of a goal you've reached recently?

    NOTE: Please provide a brief response to vetting questions. Responses should be concise –
    approximately 1-2 paragraphs and should include examples from their recent professional
    experience.
    Job Description: Software Developer Professional (Specializing Financial Accounting Applications)
    - CW
    Freddie Mac's Investments & Capital Markets division is currently seeking a Professional Software
    Developer who can contribute to the firm's 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
    · 3 years' of hands-on Python software development experience with Bachelor's degree or 1-
    2 years' of hands-on Python software development experience with an advanced degree in
    Computer Science or other related quantitative fields
    · 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.

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