> Markdown version of [/jobs/ext/3633421-senior-python-developer](https://www.wearedevelopers.com/jobs/ext/3633421-senior-python-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Python Developer - **Company:** Zillion Technologies - **Location:** Vienna, VA, United States - **Experience:** Expert - **Salary:** $166,400.0 - $187,200.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, JIRA, Automation of Tests, Unit Testing, Relational Databases, Integrated Development Environments, Junit, Python (Programming Language), Shell Script, SQL Databases, Scripting, Git, Pandas, Pytest, Containerization, Kubernetes, Information Technology, Software Version Control, Docker - **Published:** October 8, 2026 - **Apply:** https://www.disabledperson.com/jobs/75898507-senior-python-developer ## About the Role 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., * 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