Staff Software Engineer- FinTech

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. We’re not your traditional tech company and we don’t aim to be. Going against the grain is in our DNA.

Building a revolutionary product begins with revolutionary thinking. That’s why we value diversity of background and lived experience. Together, we empower restaurants of all sizes to build great teams, increase revenue, improve operations, and delight their guests.

We pair our deep understanding of the restaurant industry with powerful cloud based software and restaurant-grade hardware to deliver an intuitive all-in-one platform. Join us on our mission to empower the restaurant community to delight guests, do what they love, and thrive. Fintech at Toast operates one of the most critical portions of the Toast infrastructure: processing payments on behalf of our restaurants and ensuring that restaurants are paid in a timely manner.

Payment processing is a key source of Toast’s revenue and also the lifeblood of our customers; we process millions of dollars in transactions per day. We are seeking a Staff Software Engineer to join our Payments team to build our next generation payment processing platform by combining deep payments expertise with experience building AI agents and agentic systems. This platform offers a single, integrated service for payment acceptance across various channels and supports a configurable enterprise approach.

It is designed to allow a build-once, available-to-all strategy for both existing and emerging payment methods. The successful candidate will guide and contribute to the development of services providing supporting and core functionality within and around this payment processing solution.

Responsibilities

) Plan, design, build, and deliver features for Toast’s payments products Roll - pun intended!

Requirements

) 8+ years of experience in designing and implementing robust backend services Experience or strong interest in using coding agents and adopting agentic development practices Ability to step into a technical leadership role on the team, guiding/coaching/mentor more junior engineers on best practices in architecture, design, coding, testing, deployment, etc.