Principal Software Engineer - Payments

1 Month ago • 12 Years + • Software Development & Engineering

Job Summary

Job Description

Toast is seeking a Principal Engineer / Architect to create technical strategies and coordinate designs for large restaurant brands. This role involves partnering with Product Managers to develop technology roadmaps, collaborating with technical leaders to deliver scalable solutions with external system integrations, and leading the evolution of the Funds Management platform processing over $150 billion in annual gross payment volume. The responsibilities include designing mission-critical platform components, developing expertise in Toast's payments processing, documenting solutions, writing and reviewing code, and optimizing for performance and scalability. The ideal candidate will collaborate with UX, Product Management, QA, and other engineering teams, and champion best practices.
Must have:
  • 12+ years experience defining/implementing high scale SaaS solutions
  • Experience with Java, Kotlin, microservices, API design
  • Experience with integration design patterns in Fintech platforms
  • Strong interpersonal skills and stakeholder collaboration
  • Experience with agile or lean software delivery
  • Experience tackling complex/ambiguous problems
  • Experience building payments & Fintech products
  • 10+ years experience in payments industry
Good to have:
  • Experience with tiered web applications
  • Experience with data analytics
  • Experience with AWS (S3, RDS, Lambda)
  • Experience with Postgres databases
  • Experience with Apache Spark
  • Experience with React and ES6
  • Experience with Android development (Java, Kotlin)
  • Experience with RabbitMQ clusters

Job Details

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.

As a Principal Engineer / Architect you will be responsible for creating a technical strategy and coordinating the designs for meeting the needs of Toast’s largest restaurant brands. You will partner with Product Managers to develop the technology roadmap that enables enterprise customers to leverage the power of Toast. You will also work closely with technical leaders and implementation teams across the organization to deliver robust, scalable solutions with integrations to customers’ external systems.

As the engineering leader on the Pricing & Funds Management team, you will be responsible for evolving our Funds Management platform (processing >$150B in annual GPV) to meet Toast’s growing needs across the world by both delivering best-in-class customer facing Fintech products and foundational capabilities that enable partner teams to accelerate their products time-to-market & scale.

If you’re a technical leader or a solutions architect, experienced with enterprise SaaS, passionate about customer value, and a great collaborator, read on! 

About this roll*:

  • Design mission critical platform components  at scale to ensure Toast’s Funds Management  platform accurately distributes funds to beneficial party in a timely manner
  • Develop an expert understanding of Toast’s payments processing platform & adjacent products to enable funds flows across Toast’s financial product suite in a seamless manner
  • Document solution design, write & review code, test and rollout solutions to production, capturing & actioning customer feedback to iteratively enhance customer experience
  • Collaborate with peers to optimise for solution design performance, flexibility and scalable, including enablement of multi-product & engineering teams on a common framework & platform
  • Partner with UX, Product Management, QA and adjacent engineering teams to build best-in-class solutions in a complex and fast-moving environment
  • Champion best practices such as quality integration and unit testing

Do you have the right ingredients*?

  • Strong technologist with 12+ years experience defining and implementing high scale SaaS solutions. Experience with a broad set of technologies that includes those used at Toast - tiered web applications, microservices, API design patterns, Java, Kotlin and data analytics
  • Experience with integration design patterns across high-scale  Fintech platforms
  • Strong interpersonal skills and a proven track record of building partnerships across engineering, product, customer success, and other stakeholders.
  • Experience shipping iterative value using agile or lean software delivery methods. 
  • Experience of tackling complex and ambiguous problems, communicate clearly with others to solve the problem, and share knowledge to help the whole team succeed 
  • Experience building payments & Fintech products, with at least 10+ years in the payments industry

 

Our Tech Stack

Toast’s products run on a stack that ranges from guest and restaurant-facing Android tablets to backend services in Java to internal, guest-facing and restaurant-facing web apps. Our backend services follow a microservice architecture written using Java 8 and DropWizard; we use AWS extensively, ranging from S3 to RDS to Lambda. We have our own platform for dealing with user management, service elevations and robust load balancing. Toast stores data in a set of sharded Postgres databases and utilizes Apache Spark for large scale data workloads including query and batch processing. The front-end is built primarily using React and ES6. The main Toast POS application is an Android application written in Java and Kotlin. For data between tablets and our cloud platform we operate RabbitMQ clusters as well as direct tablet communication to the back end.

 

Diversity, Equity, and Inclusion is Baked into our Recipe for Success

At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.

We Thrive Together

We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community. To learn more about how we work globally and regionally, check out: https://careers.toasttab.com/locations-toast.

Apply today!

Toast is committed to creating an accessible and inclusive hiring process. As part of this commitment, we strive to provide reasonable accommodations for persons with disabilities to enable them to access the hiring process. If you need an accommodation to access the job application or interview process, please contact candidateaccommodations@toasttab.com.

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For roles in the United States, It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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