Point your AI agent at freehire and let it find you a job.

Get the CLI →

Zillion Technologies, Inc.

NewBe an early applicant

Senior Python Developer

Posted Updated
Discussion

Summary

Senior onsite Python developer (McLean, VA) building production-grade software for a fixed-income team — not scripting. Core stack: Python (8+ yrs), Git, SQL, Pandas, Docker/Kubernetes, and unit testing, plus fixed-income concepts like duration, convexity, and OAS. Pays $80–90/hr; work sponsorship available.

Work sponsorship is available for this position.

Job Title: Python Developer Senior

Locations: Onsite in Mclean, VA (5 days a week)

Interview Type: In-Person



Be one of the first applicants, read the complete overview of the role below, then send your application for consideration.

Job Overview:

Must Have Qualifications: 8+ years of hands-on professional Python software development experience . Candidate must have experience with production grade coding (not scripting), Git, SQL, Pandas, and unit testing, along with good communication skills.


Qualifications:

  • 8 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


Benefits: We offer a benefits package including medical, dental, vision, and 401(k).

Compensation: $80.00 – $90.00 per hour. This is the targeted compensation range for this role per year. Please note that this range is provided as a guideline and the final offer will be based on several factors, including but not limited to, skillset and competencies, level of experience, education, certifications, and location. xhmxlyz


We are an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, national origin, age, disability, genetic information, veteran status, sexual orientation, gender identity, or any other characteristic protected by applicable federal, state, or local law.

Skills

What Senior Software Engineering jobs ask for — and how much of it you have →
Apply

See also

Software Engineering jobs by country — openings, pay and top skills →

Tailor your CV for this role?

We couldn't check your fit for this role — add a CV to your profile to see it next time.