Senior Software Engineer

San Francisco, CA | $200,000 - $245,000 Base Salary + Equity Series A startup is hiring a Senior Software Engineer to help build AI agents that automate critical finance workflows for businesses. Backed by F-Prime Capital, Google's Gradient Ventures, and Y Combinator, the company is building software that doesn't just assist finance teams, it does the work. You’ll join a small, highly technical engineering team building at the intersection of AI, fintech, payments, automation, and enterprise software . What You’ll Be Doing Build and scale software powering AI agents for finance and accounting teams Design APIs, integrations, and backend systems that interact with ERPs, payment processors, CRMs, and banking platforms Own projects end-to-end from architecture through production deployment Partner closely with Product, Engineering, and customers to build new capabilities Help shape engineering culture and technical strategy as the company scales Highlights AI-Native Engineering Team – Build products where AI is a core part of the product, not a feature Real Fintech Problems – Work on payments, invoicing, reconciliation, and financial infrastructure at scale Massive Ownership – Influence product direction, architecture decisions, and engineering best practices Complex Systems – Tackle integrations, distributed systems, automation, and high-scale backend challenges Small Elite Team – Work directly alongside CEO and CTO, this is a team that builds each other up and shares ideas. As a senior engineer you will be a mentor to those earlier in their career Strong Growth Opportunity – Join shortly after Series A and help shape the next stage of company growth What They’re Looking For 5+ years of software engineering experience Strong experience building production software and backend systems Experience with TypeScript, APIs, distributed systems, or cloud infrastructure Strong ownership mentality and ability to work independently Comfortable operating in fast-paced startup environments Strong problem-solving and communication skills Interest in AI, fintech, payments, automation, or enterprise software #J-18808-Ljbffr