Staff Backend Engineer - Commerce

<h3><strong>About the Role</strong></h3> <p>Together AI is seeking a Staff Backend Engineer to own the technical vision, architecture, and execution of the commerce platform powering Together's Cloud products. As a staff engineer on the Commerce Engineering team, you will set the engineering direction for mission-critical capabilities — including usage-based billing, payment processing, customer-facing analytics, and product entitlements — while raising the bar for the engineers around you.</p> <p>This role is ideal for a seasoned engineer who can operate at multiple altitudes: driving system design and long-term architecture decisions while staying hands-on in code. You'll be the connective tissue between engineering, product, finance, and go-to-market — translating complex business requirements into durable, scalable backend primitives that directly impact revenue and customer experience. You'll be expected to define not just <em>what</em> we build, but <em>how</em> we build it well.</p> <h3><strong>Requirements</strong></h3> <ul> <li>8+ years of experience building large-scale, fault-tolerant API-driven services and backend systems</li> <li>Demonstrated track record of tech lead or staff-level scope — owning system architecture decisions, influencing team direction, and delivering multi-quarter initiatives</li> <li>Deep expertise in designing relational database schemas and backend APIs that support complex product and business requirements at scale</li> <li>Strong experience leading and influencing cross-functional teams — comfortable partnering with product, finance, and non-technical stakeholders</li> <li>Expert-level proficiency in one or more of Golang, TypeScript, Python, C++, or Java</li> <li>Deep knowledge of distributed systems tradeoffs: consistency, availability, fault tolerance, and performance at scale</li> <li>Strong understanding of low-level systems concepts: multi-threading, memory management, networking, storage, and I/O</li> <li>Experience with