Senior Python Backend Engineer

🚀 Senior Python Backend Engineer | AI Startup | San Francisco (Onsite) ⚠️ US Citizens only. No visa sponsorship available. Local Bay Area candidates only. We're partnering with a fast-growing AI startup building customer-service agents that can speak with customers over phone, chat, and messaging platforms with near-human conversational ability. They're looking for a Senior Python Backend Engineer to take ownership of critical backend systems and help define the future architecture of the platform. This is a hands-on engineering role for someone who loves building, shipping, and solving hard technical problems—not just attending design meetings. What you'll be doing: • Designing and scaling the infrastructure powering AI agents • Leading high-impact, business-critical engineering initiatives • Making architecture decisions across distributed systems and backend services • Identifying technical risks before they become problems • Raising the bar for code quality, system design, and operational excellence • Driving projects from concept to production with minimal oversight What we're looking for: ✅ STEM degree from a top global university ✅ 7–15 years of backend/infrastructure engineering experience ✅ Deep expertise in Python and distributed systems ✅ Strong system design skills for large-scale, reliable platforms ✅ Background in high-growth SaaS startups or top-tier technology companies ✅ Proven track record of independently owning and delivering complex projects ✅ Based in the San Francisco Bay Area and able to work onsite 5 days per week Tech Stack: Python | Django | FastAPI | AWS | Kubernetes | PostgreSQL | TypeScript | Node.js | Modal | Next.js This is an opportunity to join an ambitious team at an early stage and have a genuine impact on product direction, architecture, and company growth. 📩 Interested? Apply now or message me directly for a confidential conversation. Show more Show less