Software Engineer, Billing & Payments

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Tabs is the leading AI-native revenue platform for modern finance and accounting teams. Tabs agents automate the entire contract-to-cash lifecycle, including billing, collections, revenue recognition, and reporting, to help teams eliminate manual work and accelerate cash flow. High-growth companies like Cursor and Statsig rely on Tabs to generate invoices directly from contracts, reconcile payments in real time, and automate ASC 606 compliance. Founded in 2023, Tabs has raised over $91 million from Lightspeed Venture Partners , General Catalyst , and Primary . The team is headquartered in New York and brings deep expertise in finance and AI. Why this role exists Billing is where the rubber meets the road for our customers. It's the system that turns a signed contract into an invoice a customer actually pays, and everything that happens in between is harder than it sounds. The Tabs Billing and Payments team builds the systems that generate invoices from contracts, orchestrate payment collection, integrate with ERPs and tax platforms, and ensure that every dollar flows correctly from contract to cash. Contracts have variable pricing tiers, usage-based billing, seat true-ups, mid-cycle amendments, credits, discounts, split invoices, and so much more; we enable our customers to customize their billing models to their business, and abstract all the complexity away. Getting billing right is the foundation of Tabs. A wrong invoice erodes customer trust. A failed payment disrupts cash flow. A broken ERP sync means an accountant spends weeks putting together the pieces to make the books work. We're hiring an engineer who wants to own real systems end-to-end, who's energized by the challenge of making complex financial workflows reliable at scale, and who takes pride in getting the details right. What you'll actually work on Here are examples of real projects engineers on the Billing and Payments team have owned recently: Invoice generation pipeline: Built a Temporal-based invoice generation system that resolves billing terms, calculates line items with tiered and usage-based pricing, and assembles invoices - all orchestrated as durable workflows that survive failures and scale horizontally Invoice finalization and sending : Built the multi-step finalization workflow that takes a generated invoice through address resolution, tax calculatio), ERP sync, auto-credit application, autocharge via Stripe, and email delivery, with built-in retry, compensation logic, and recovery for every step Stripe integration: Own the Stripe integration end-to-end: setup intents, autocharge with configurable retry schedules, payment method management, the customer payment portal, payout reconciliation, and webhook handling. You'll work across backend services, data models, APIs and frontend services. You'll partner closely with Product and Design- quick deskside sessions abound at Tabs! You're expected to bring opinions to the meetings you join, not just take notes. What we care about You'll thrive at Tabs if you: Enjoy owning systems end-to-end, from first design doc to fixing production edge cases weeks later Care deeply about correctness and long-term maintainability Are curious about domains you don't already understand, and are willing to sit with discomfort while you learn Can disagree respectfully, explain your reasoning and change your mind when the data says you should We're optimizing for excellent engineers who are good teammates. What we don't care about as much Exact years of experience Whether you're "frontend" or "backend" by title Whether you've worked in fintech before Whether you've ever seen an invoice If you've built scalable systems, shipped real software and learned from breaking prod a time or two, we want to talk. Tabs engineering culture Our core values show up in how we work: Respect the Domain We don't shy away from accounting complexity. We dig into the details to build features the right way - even if that means combing through PWC's revenue recognition guidance on a weekend. Stay Customer-Centric If accounting teams can't trust the numbers we produce, nothing else matters. Engineers join customer calls when it's useful and stay in close touch with Support and Success to understand what customers actually need. We put wireframes in front of real users, get feedback directly from accountants and cut processes that slow us down. You won't hear "that's not my job" here; we step in and help where it's needed. Innovate In-Person This is an in-office role. We believe hard problems are solved faster together. This comes with perks like weekly happy hours, chess tournaments, soccer leagues, quarterly hackathons and more whiteboards than employees 😉 Build the Best Vision We're not copying incumbents; we're rethinking how accounting systems should work from first principles. We get bright people into a room, debate intensely, disagree, commit and execute with urgency. If we make the "wrong" decis

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