Senior Software Engineer, Banking Connections

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together.

So we expanded into software and started building integrated, omnichannel solutions – to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across it all, we’ve embedded financial services tools at the point of sale, so merchants can access a business loan and manage their cash flow in one place. Afterpay furthers our goal to provide omnichannel tools that unlock meaningful value and growth, enabling sellers to capture the next generation shopper, increase order sizes, and compete at a larger scale.

Today, we are a partner to sellers of all sizes – large, enterprise-scale businesses with complex operations, sellers just starting, as well as merchants who began selling with Square and have grown larger over time. As our sellers grow, so do our solutions. There is a massive opportunity in front of us. We’re building a significant, meaningful, and lasting business, and we are helping sellers worldwide do the same.

The Role

The Banking Connections team owns global banking integration for Square.  We provide platform-level building blocks to manage flexible and timely fund transfers for Square Sellers. 

As a software engineer on the Banking Connections team, you will be responsible for designing, building, and maintaining the services and infrastructure that move billions of dollars for Square. You will be deeply involved in the technical details of building highly available and reliable services, while also working with product teams to enable Square to rapidly build new capabilities for our merchants and buyers all over the world.

You Will

• Build our Banking Platform in the cloud, used by the rest of the organization and a key strategic asset of Square.
• Design and implement high-volume, low-latency, distributed transaction processing systems, making thoughtful tradeoffs between consistency and availability when both are not possible.
• Abstract away the legacy APIs of our financial partners into consistent, coherent service APIs for Square’s products to build upon.
• Build systems that manage customers’ sensitive data and hold Square to the highest standards for security and compliance.
• Work cross-functionally with our product, business, and finance teams to develop Square’s global banking strategy.
• Design fault tolerant systems so the team can move fast without negatively impacting customers

You Have

• 5+ years of software development experience.
• A track record of creating highly available, scalable, low-latency, global systems.
• Strong commitment to high code quality, automated testing, and engineering best practices.
• A strong sense of customer empathy and a drive to ship software that improves their lives
• The desire to work collaboratively, whether in person, over video, or asynchronously through online tools
• Innate curiosity and a desire to be responsible for all aspects of reliably moving billions of dollars in a highly focused and highly functional team.
• Japanese fluency (Preferred)

Technologies We Use and Teach

• Java
• Python
• Terraform
• AWS DynamoDB, SQS, Lambda
• MySQL, Guice, Guava, Protocol Buffers, jOOQ

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We also consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page.

Block will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and “fair chance” ordinances.