Software Engineer, Business Banking

  • San Francisco, CA
  • Full-time

Company Description

When we launched the little white reader, we invented mobile, ubiquitous payments and enabled anyone to start, run, and grow a business. Ten years and billions of transactions later we’re reimagining commerce for businesses of all types and sizes—we’re enabling the independent electrician to send invoices, helping the beauty salon pay its employees, and giving the burgeoning coffee chain capital for a second, third, and fourth location. We’re working to find new and better ways to help businesses succeed on their own terms—and we’re looking for people like you to help shape tomorrow at Square.

Job Description

When our sellers make a sale, the Business Banking team helps them manage and understand their business finances with products that include Square Card, Instant Transfers, advanced reporting, and cashflow insights. With this suite of products, we ensure that our customers get access to the funds they need when they need them, and that they can always understand and control where their money is going. We partner with platform and infrastructure teams to move billions of dollars each year on behalf of our sellers.

In this role, you’ll help build, maintain, and scale high-performance backend services, that empower world-class front-end experiences within our web-based products, and contribute to the future of banking.

Our team: 

We are a product-focused engineering team with a full-stack background. Our projects leverage data-driven decisions to deliver features across mobile and web frontends. We also talk directly to existing and prospective merchants about their needs and pain to identify opportunities to improve their experience. Our team enjoys working together to contribute to meaningful work seen by millions of merchants worldwide. As a member of the team, you’ll be working collaboratively with mobile, backend and frontend focused engineers to deliver high-value banking features to Square sellers.


You will:

  • Help brainstorm solutions and build robust systems to solve customer problems

  • Design, create, and optimize the payment product experience using Java and MySQL

  • Operate and scale a rapidly growing product that is vital to our sellers

  • Design, implement, interpret, and refine A/B tests

  • Build extensive, reliable support for product data logging and metrics

  • Work closely with our product, engineering, analytics, and marketing teams

You have:

  • BS/BA degree or equivalent industry experience

  • Strong programming skills

  • Great communication skills and enjoy working cross-functionally

Nice to have:

  • Experience contributing to medium to large scale feature releases

  • Experience with Java, Ruby or similar backend language

  • Knowledge of payments or fintech

Technologies we use and teach:

  • Java, Go, MySQL, Ruby on Rails and more

  • A/B test techniques and methodologies

Additional Information

At Square, our purpose is to empower – within and outside of our walls. In order to build the best tools for the businesses and customers we support all over the world, we have to start at home with a workforce as diverse and empowered as our sellers. To this end, we take great care to evaluate all employees and job applicants equally, based on merit, competence, and qualifications. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. We encourage candidates from all backgrounds to apply and always consider qualified applicants with arrest and conviction records, in accordance with the San Francisco Fair Chance Ordinance. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us by sending an email to assistance(at) We will treat your request as confidentially as possible. In your email, please include your name and preferred method of contact, and we will respond as soon as possible. Perks At Square, we want you to be well and thrive. Our global benefits package includes: Healthcare coverage, Retirement Plans, Employee Stock Purchase Program, Meal reimbursements, Wellness perks, Paid parental leave, Flexible time off, Learning and Development resources