Python Developer

Software Developer/Python Developer

Client: Freddie Mac

Location: McLean, VA (Onsite, firat try local if not find then relocation is fine but near location)

Duration: 6+ Months (with possible extension)

Must Have Qualifications:

• 5+ years' experience of software development experience using Python.
• Must have hands on experience with Python, Git, unit testing and data bases technologies including snowflake, Databricks, or SQL server.
• 1 – 2 years of experience working with containerization tools (e.g. Docker, Kubernetes). Experience and performance testing would also be nice to have.

Job Description:

• Refactor and modernize existing components of an ETL application to improve maintainability, performance, and scalability.
• Perform end to end testing to verify accuracy of all layers and perform parallel testing to ensure data integrity of the new system.
• Establish metrics and monitoring systems to evaluate the effectiveness of the implemented solutions.
• Diagnose and resolve defects, eliminate technical debt in new solution, 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.
• 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.
• Document findings and outcomes to build a knowledge base for future reference.

Qualifications:

• Hands-on software development experience using Python programming.
• Candidate should be skilled in pandas and numpy Python libraries.
• 2–3 years of experience using Git for source control in a team-based development environment.
• 2–3 years of experience with SQL and relational database development.
• 1–2 years of experience with containerization and orchestration technologies (e.g., Docker, Podman, Kubernetes).
• 2–3 years of experience with unit testing frameworks (e.g., Pytest) and implementing automated test coverage.
• Good oral, written communication skills and team collaboration skills.
• Strong critical thinking, problem-solving skills, and familiarity with Agile development processes.

Preferred Skills:

• Graduate degree in Information Technology, Computer Science, or related field.
• Experience engaging with team members to gather requirements, align priorities, and drive delivery without missing delivery.
• Exposure to product and project management tools (e.g., JIRA) to support planning, tracking, and execution.
• Relevant technical certifications.