Senior Full-Stack Engineer

Senior Full-Stack Engineer At Symphonize, we build real, production-grade systems across multiple industries—and we're growing our team in Ann Arbor, Michigan. We're looking for a Senior Full-Stack Engineer who enjoys building software end-to-end and wants to work on a mix of SaaS platforms, cloud-native applications, and AI-enabled systems, including contributions to our evolving Agentic AI platform. This is a hands-on engineering role, not a people-management position. What you'll work on: Build and ship full-stack production applications Backend development using Python (FastAPI, Django, or Flask) Frontend development with JavaScript / TypeScript Design and deploy AWS-based cloud-native systems Work with SQL and NoSQL databases Collaborate on AI-powered features (search, retrieval, automation) Participate in architecture decisions and technical discussions Collaborate closely with internal teams and occasionally with clients What we're looking for: 10 to 15 years of experience delivering production software Solid backend experience with Python Working knowledge of JavaScript / TypeScript Hands-on experience with AWS Comfort working across backend, frontend, and infrastructure Clear communicator and collaborative team player Willing to work onsite in Ann Arbor, with some hybrid flexibility Visa sponsorship is not available for this position Nice to have (not required): Exposure to AI / LLM-based systems or RAG-style architectures Experience with Docker, serverless, or SaaS platforms Curiosity and interest in working on Agentic AI workflows Why Symphonize: Real ownership and hands-on engineering Opportunity to work on AI-powered platforms without needing an AI research background Variety of projects across industries A pragmatic culture that values quality, speed, and good judgment Symphonize