Senior Software Engineer, Payment API

| New York City, NY +80 more | Remote
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Company Description

Square builds common business tools in unconventional ways so more people can start, run, and grow their businesses. When Square started, it was difficult and expensive (or just plain impossible) for some businesses to take credit cards. Square made credit card payments possible for all by turning a mobile phone into a credit card reader. Since then Square has been building an entire business toolkit of both hardware and software products including Square Capital, Square Terminal, Square Payroll, and more. 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

As a software engineer on the Payment API team, you will help design, build, and maintain the payment services and infrastructure that 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 help Square to rapidly build new capabilities for our merchants and buyers all over the world.

You will:

  • Expand and maintain our Payments APIs, used by both external developers (public docs) and Square products, an essential 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 the financial world into consistent, coherent service APIs for Square and our sellers products to build upon
  • Build systems that manage customers' sensitive data and hold Square to the highest standards for security and compliance
  • Mentor other engineers and contribute to the direction of the team
  • Work with our product, business, and finance teams to develop Square's global payments strategy
  • Design fault tolerant systems so the team can be brave, move fast, and break things, without ever showing a negative impact to customers

Qualifications

You Have:

  • Understanding and curiosity in creating highly available, scalable, low-latency, global systems to reliably move billions of dollars
  • Experience with and an understanding of how to successfully lead complex projects, breaking down the work into components and milestones that can easily be picked up by other engineers
  • Interest in changing the payments landscape in the US and globally
  • Bachelor's degree and 8+ years of software development experience in Java, Go or similar


Additional Information

At Square, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of 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)squareup.com. 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
  • Wellness perks
  • Paid parental leave
  • Paid time off
  • Learning and Development resources

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. Square is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

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.

Additionally, we consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.

Perks

We want you to be well and thrive. Our global benefits package includes:

  • Healthcare coverage
  • Retirement Plans
  • Employee Stock Purchase Program
  • Wellness perks
  • Paid parental leave
  • Paid time off
  • Learning and Development resources

Square, Inc. (NYSE: SQ) builds tools to empower businesses and individuals to participate in the economy. Sellers use Square to reach buyers online and in person, manage their business, and access financing. Individuals use Cash App to spend, send, store, and invest money. And TIDAL is a global music and entertainment platform that expands Square's purpose of economic empowerment to artists. Square, Inc. has offices in the United States, Canada, Japan, Australia, Ireland, Spain, Norway, and the UK.

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Technology we use

  • Engineering
  • Product
  • Sales & Marketing
  • People Operations
    • C#Languages
    • C++Languages
    • CSSLanguages
    • DartLanguages
    • JavaLanguages
    • JavascriptLanguages
    • KotlinLanguages
    • Objective-CLanguages
    • PHPLanguages
    • PythonLanguages
    • RLanguages
    • RubyLanguages
    • RustLanguages
    • SassLanguages
    • SqlLanguages
    • SwiftLanguages
    • TypeScriptLanguages
    • FigmaDesign
    • DocuSignCRM
    • DriftCRM
    • SalesforceCRM
    • MarketoLead Gen
    • ZoomInfoLead Gen
    • SlackCollaboration
    • AsanaProject Management
    • BasecampProject Management

An Insider's view of Square

How would you describe the company’s work-life balance?

"Our remote work policy gives me the flexibility to both travel, and collaborate in office. Our remote policy lets me continue to do things I am passionate about, which encourages me to bring my most authentic self to the workplace and feel empowered."

Pooja

Recruiter

What does career growth look like on your team?

“My internship at Square was great. I learned from world-class Engineers and was given a ton of ownership over meaningful projects. As a full time Engineer, I joined the same team I interned on, and have continued to build Machine Learning driven features that empower businesses.”

Jake

Machine Learning Engineer

What are Square Perks + Benefits

Square Benefits Overview

We’re building an inclusive economy where all sellers have equal access to opportunity. We strive to live by these same values in all our workplaces.

Culture
Volunteer in local community
Partners with nonprofits
OKR operational model
Pair programming
Open office floor plan
Employee resource groups
Employee-led culture committees
Quarterly engagement surveys
Hybrid work model
Employee awards
Flexible work schedule
Remote work program
Diversity
Dedicated diversity and inclusion staff
Mandated unconscious bias training
Diversity employee resource groups
Hiring practices that promote diversity
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability insurance
Dental insurance
Vision insurance
Health insurance
Life insurance
Pet insurance
Wellness programs
Mental health benefits
Wellness days
Financial & Retirement
401(K)
401(K) matching
Company equity
Employee stock purchase plan
Performance bonus
Child Care & Parental Leave Benefits
Childcare benefits
Generous parental leave
Family medical leave
Adoption Assistance
Fertility benefits
Vacation & Time Off Benefits
Generous PTO
Paid holidays
Paid sick days
Office Perks
Commuter benefits
Onsite office parking
Relocation assistance
Fitness stipend
Professional Development Benefits
Promote from within
Mentorship program
Online course subscriptions available
Personal development training

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