Senior Software Engineer, Merchant Onboarding

Tabs is the AI Operating System for Revenue, built for modern finance and accounting teams. It combines deep revenue and accounting expertise with the agents and applications needed to run revenue work end to end. Tabs understands customer and contract context, applies accounting logic, and executes critical workflows with built in controls, auditability, and human oversight. With Tabs, finance teams can move from manually managing revenue workflows to directing outcomes while the system executes the work. About the Role Tabs is seeking a senior software engineer to join our Merchant Onboarding team. We’re building 0→1 and we’ll be defining ways to streamline the onboarding experience, unlock growth, and amplify our internal teams to move quickly. This team owns the full merchant journey, from onboarding & configuration to the internal tooling that powers our teams. Our engineers work across real production systems, complex data flows, and product surfaces used by teams who need software they can trust. We hire people who enjoy taking ownership, learning fast, and partnering closely with teammates to build things the right way. How We Work We work hard. Two-week sprints, weekly ship goals, short feedback cycles. Built around intra-month product releases. We work smart. Get in front of the customer, use both data and customer feedback to drive decisions, while keeping the bigger picture in mind. We work together. In-office culture with people you want to work with. Lots of whiteboard space. Expense coffee, lunch, and dinner when in the office. What You'll Do Participate in full life-cycle software development from inception to maintenance in production Work closely with other engineering teams and internal stakeholders to identify and drive improvements to the merchant experience Design and implement highly scalable and reliable systems Contribute ideas for new features and identify areas for improvement proactively Aid in building our engineering organization About You 5-8 years of professional software engineering experience Experience building platform services from scratch, while being resourceful in a constrained-resource environment Experience with TypeScript, Python, or a similar web development language Strong desire for learning and staying up to date with the latest advancements in software engineering Strong foundation in computer science and coding If you want to build real systems with people who care deeply about their craft, we would love to hear from you. Engineers who thrive here like hard problems, clear ownership, and strong teams. If that sounds like you, apply! Location: NYC, 5 days onsite Perks and Benefits (Full-time Employees) Competitive compensation and equity Unlimited PTO Up to 100% employer covered monthly healthcare premium (medical, dental, vision) Lunch provided via Sharebite, plus dinner for any later in office days. Parental leave up to 12 weeks Tax free commuter and parking benefits Voluntary insurances (Life, Hospital, Critical Illness, Accident) Employee Assistance Program (Rightway) Free One Medical Membership 401k Tabs is an equal opportunity employer. We welcome teammates of all identities and do not discriminate on the basis of race, ethnicity, religion, gender identity, sexual orientation, age, disability, veteran status, or any other protected characteristic. We’re committed to creating an environment where everyone can grow, contribute, and feel comfortable being themselves.