Senior Software Engineer (Full-Stack)

About Found The self-employed workforce is a rapidly growing, resilient, and colorful 60 million Americans. But self-employment comes with its own set of challenges: navigating taxes, accounting, bookkeeping, and business banking are just a few. That’s where we come in. Found is building tools that give self-employed people the security and peace of mind that has historically only been possible at big corporations. We’re a business bank account that automates taxes and expense tracking because we believe small business owners should spend more time doing what they love and less time on their business finances. We’re looking for kind, resourceful, and passionate people to join us in building the safety net for self-employment. About This Role We're hiring a Senior or Staff Software Engineer to work across our product teams. This is a high-impact, full-stack role where you’ll be shipping customer-facing features, raising the technical bar, and helping engineers around you grow. You'll embed with product teams where the work is most important, partner closely with senior engineers and engineering managers, influence how we build across the organization and have ownership over outcomes.

What You'll Do Ship product that drives business impact Build and iterate on customer-facing features in our core product — banking, tax automation, and expense tracking — using Ruby on Rails, React, Redux, and TypeScript Work across the stack: backend APIs, data modeling in MySQL and Spanner, and polished frontend experiences Partner with product and design to go from idea to shipped feature quickly, with a high bar for quality Own your work end-to-end — you'll be involved in scoping, building, reviewing, and monitoring Improve how

the team builds Raise the technical bar through code review, architecture input, and honest, constructive feedback Help establish patterns and conventions that make the codebase easier to work in over time Identify and address reliability, performance, or scalability issues before they become incidents Contribute to reducing tech debt in a way that's practical, not theoretical Develop engineers around you Act as a technical mentor and thought partner for senior engineers across teams Collaborate closely with engineering managers on technical planning, scoping, and team health Help engineers grow through pairing, code review, and design conversations Model what great engineering looks like: clear thinking, clean code, and good judgment under ambiguity To thrive in this role, you have: 12+ years of full-stack engineering experience, with strong backend fundamentals Production experience with Ruby on Rails or a comparable framework, and comfort in React/TypeScript on the frontend Experience working with relational databases at scale (MySQL, Spanner, or similar) A track record of working across multiple teams or functions, building relationships and get alignment Strong communication skills: you can explain technical decisions clearly to engineers and non-engineers alike High standards for code quality and a habit of leaving things better than you found them You may also have: Experience in FinTech, financial services, or products with complex compliance