Demo

Software Engineer, Payment Authentication

Square
San Francisco, CA Full Time
POSTED ON 3/16/2025
AVAILABLE BEFORE 4/7/2025

Software Engineer, Payment Authentication

Remote

Bay Area, CA, US

Square

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 through Afterpay, 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.

Job Description

As a software engineer on the Payments team, you will be responsible for designing, building, and maintaining the Payments Platform services and infrastructure that securely move money 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

  • Work with engineering, product, and other partners to build software that is clean and forward-thinking
  • Design and develop modern APIs that integrate various surfaces with server backends
  • Drive engineering of well-designed, reusable and secure systems to advance payment acceptance and secure Square customers
  • Promote engineering best practices and help define technical roadmap for the team
  • Focus on operational excellence to deliver fault tolerant systems enabling team to move fast without negatively affecting our customers
  • Raise awareness and promote adoption of new authentication mechanism within Square and beyond

Qualifications

  • 2 years of software engineering experience
  • BA / BS degree in Computer Science or equivalent practical experience
  • Experience in delivery of high-scale software solutions
  • Eagerness to learn, share your ideas, and work with others
  • Willingness to collaborate and grow as an engineer
  • Enterprise experience with JVM languages (Java, Kotlin)
  • Experience working in payments industry
  • Regional EEOC Statements

    United States

    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.

    Canada

    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 throughout the recruitment process. If you require an accommodation, let your recruiter know.

    Block takes a market-based approach to pay, and pay may vary depending on your location. U.S locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

    Zone A : $135,200 — $202,800 USD

    Zone B : $128,500 — $192,700 USD

    Zone C : $121,700 — $182,500 USD

    Zone D : $115,000 — $172,400 USD

    Every benefit we offer is designed with one goal : empowering you to do the best work of your career while building the life you want.

    Check out benefits at Block.

    Block, Inc. (NYSE : SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, and TIDAL, we build tools to help more people access the economy.

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    Salary : $115,000 - $172,400

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