Staff Software Engineer

ABOUT SARIS AI We're a San Francisco & Montreal based applied AI startup that's building the future of work in the banking industry. We are tackling a $100 billion/yr problem, doubling every quarter and pushing the boundaries of what’s possible with multi-turn AI agentic systems Our goal is to tackle the type of automation problems that require long-context reasoning, tool orchestration across legacy systems, and strict compliance loops: the ones without known answers. We’ve shipped real agents that handle real customer workflows in production. With a growing customer base and live deployments, we’re scaling up fast and looking for deeply technical builders who want to have outsized impact early. Our core engineering team is looking for a builder, a Staff Software Engineer who thrives in early-stage (ambiguous) environments. You’ve seen products through from v1 to scale, and you love designing clean systems that last. YOUR MISSION IS TO - Own and architect core systems end-to-end, driving design decisions across the platform - Build and scale AI-powered software systems that power real-world financial workflows - Lead complex, ambiguous projects from problem definition → production, setting technical direction along the way - Partner closely with product and leadership to shape both technical and business strategy - Drive engineering excellence across the team (code quality, system design, reliability, scalability) - Identify and build reusable abstractions, infrastructure, and tooling to accelerate development velocity WHO YOU ARE - 8+ years of experience as a software engineer, with time operating at a staff or equivalent level - Deep experience with Python (Django, Flask, FastAPI), TypeScript (React), Docker, and cloud platforms (AWS/GCP) - Strong experience with designing, building and scaling distributed systems - Strong background in relational + non-relational databases (PostgreSQL, Redis) - API design chops (REST, GraphQL), deployment know-how - Comfortable operating in high-ambiguity, fast-moving environments with high ownership - Strong communicator who can influence technical decisions across teams BONUS POINTS IF YOU - Have built complex workflow orchestration systems - Know your way around cloud infra - Have experience building integrations or data pipelines - Love mentoring and growing teams WHY JOIN SARIS AI? - 🏦 Join us in building the future of work for the trillion-dollar banking industry using cutting edge AI technology. - ⚡Tackle ambiguous technical challenges with no clear answers. - 💲Competitive compensation with premium benefits and equity package. - 🤝Work with a stellar team of engineers, builders, and leaders; including repeat YC founders with a successful exit (Ready Education). - 📈We already have production agents live with revenue-generating customers - 🐦 🔥Our team is backed by Tier 1 Silicon Valley VCs