Senior Python Backend Developer – Django, FastAPI
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Job Description
Senior Python Backend Developer leading development using Django and FastAPI at Ascend. Architecting scalable solutions and optimizing cloud infrastructure for a membership-based travel concierge service.
Responsibilities:
- Lead development of features using Django and FastAPI
- Architect and implement scalable web applications
- Establish technical standards for our Python codebase, including standards for AI-assisted contributions
- Optimize our cloud infrastructure (Railway, with selective AWS usage)
- Build and maintain the AI tooling, prompts, and skills the engineering team relies on day-to-day, and treat that work as a real engineering deliverable rather than a side project
- Help define the company-wide policies, guardrails, and enablement that let teams across Ascend use AI tools effectively without creating IP, security, or data-handling risk
- Mentor developers, conduct thorough code reviews, and help raise the bar for how we evaluate AI-assisted work
- Collaborate with product managers and designers
- Implement testing and evaluation strategies, including for workflows that involve AI in the loop
- Evaluate new technologies, AI and otherwise, to enhance our tech stack
Requirements:
- 5+ years of Python web development experience
- Strong proficiency with Django and FastAPI frameworks
- Expert knowledge of web development best practices
- Experience with PostgreSQL and ORM frameworks
- Solid understanding of front-end technologies
- Advanced Git skills and collaborative workflows
- Experience with Agile methodologies and CI/CD
- Demonstrable experience using AI coding assistants (e.g., Cursor, Claude Code, Copilot) on production work, with sound judgment about when AI output needs more scrutiny or rework
- Excellent problem-solving and communication skills
- Ability to balance technical excellence with business needs.
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