> Markdown version of [/jobs/ext/3650530-senior-python-developer](https://www.wearedevelopers.com/jobs/ext/3650530-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:** RedStream Technology - **Location:** Franklin, NJ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET MVC Framework, Software Quality, Code Review, Continuous Integration, Relational Databases, Cursor, Database Design, Django Web Framework, Payment Systems, Python (Programming Language), PostgreSQL, Linux System Administration, Microsoft SQL Server, Performance Tuning, PostGIS, Query Optimization, RabbitMQ, Microsoft Copilot, Standard Sql, Software Engineering, SQL Databases, Systems Architecture, Web Application Frameworks, ReactJS, Delivery Pipeline, AI Coding Agents, Backend, Git Flow, Free and Open-Source Software, Celery, Front End Software Development, Claude, Restful APIs, Docker - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75940183-senior-python-developer ## About the Role * 7+ years of professional software development experience * Strong command of Python and Django (or a comparable web framework) in a production environment * Deep working knowledge of SQL and relational databases, PostgreSQL preferred - schema design, query optimization * Strong understanding of REST API design, integration patterns, and system architecture trade-offs * Demonstrated ability to independently troubleshoot and resolve complex production issues * Strong Git workflows and code review discipline * Comfortable with Docker and Linux environments, including deployment pipelines * Track record of technical mentorship or informal leadership * Regular, effective use of AI coding tools to accelerate development without sacrificing quality Preferred Skills & Qualifications: * Experience with billing or payment systems in production * Exposure to Celery/RabbitMQ or other background-task/async systems * PostgreSQL/PostGIS experience * Microsoft SQL Server experience * ASP.NET MVC exposure * React or other frontend framework experience * Ownership of CI/CD pipelines and deployment processes * Competitive programming, hackathons, or open-source contributions ## Description Our client is looking for a Software Developer to help drive the Python/Django systems that power their business - billing, customer accounts, payments, and service management. You'll work on a small, senior development team, with the scope to shape architecture, mentor early-career engineers, and take the lead on both internal and external systems., * Architect and own significant portions of our backend systems, from design through production * Lead technical decision-making on new features, integrations, and system improvements * Mentor and review the work of early-career developers; raise the team's overall code quality bar * Drive engineering best practices - testing standards, CI/CD, code review discipline * Own resolution of complex, ambiguous production issues, including in code you didn't write * Partner directly with leadership on technical roadmap, prioritization, and trade-offs * Evaluate and integrate third-party APIs and internal system integrations * Drive database design and query/performance optimization across PostgreSQL and SQL systems * Model effective use of AI coding tools (Copilot, Claude, Cursor) and help the team implement similar tools