Software Engineer (Fullstack / Backend)
Remote (US)
Mid-level +1 · Full time
Posted 2 months ago

Company Description

Since we first opened our doors in 2009, the world of commerce has evolved immensely – and so has Square. After enabling anyone to take a payment 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, run a busy kitchen, book appointments, engage loyal buyers, and hire and pay staff. And 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 all in one place.

Today, we’re a partner to sellers of all sizes – large, enterprise-scale businesses with complex commerce operations, sellers just starting out, as well as merchants who began selling with Square and have grown larger over time. As our sellers scale, so do our solutions. We all grow together.

There is a massive opportunity in front of us. We’re building a business that is big, meaningful, and lasting. And we are helping sellers around the world do the same.

Job Description

The Automation org enables and measures the unified customer journey, intelligently empowering customers through Square's ecosystem of products. The Communications Platform team is an essential part of Automations org that builds the platform that delivers hundreds of millions of messages per month to Square merchants and customers. Our main mission is to make communication between Square and its customers scalable, easy, effective, and intelligent. We enable multi-channel (email, SMS, push, in-product) real-time messaging through well-defined APIs.

We are a fast-moving, dynamic team with an abundance of growth and opportunities to make an impact! 


You Will...

  • Build and support a multi-channel platform that reliably guarantee the delivery of millions of messages everyday
  • Scale our systems and work on the fullstack to meet the ever-increasing demand
  • Design APIs and the underlying data models used by many apps and microservices
  • Partner with product teams at Square that integrate with our platform to guide integration plans and troubleshoot bugs as needed
  • Leverage data and ML models to optimize delivery
  • Work with designers and product managers to build intuitive and useful tools for our customers
  • Mentor and coach other developers on the team
  • Contribute to the broader tech and open source communities
  • Work with cloud solutions like AWS and Google Cloud Platform

You Are...


  • 4+ years of Full-stack and Backend software engineering experience, and an excellent command of engineering fundamentals.

  • Proficient in one or more general-purpose software development programming languages

  • Passionate about building elegant, intuitive, and empathetic products

  • Embrace proactive, respectful and inclusive communications in a collaborative environment

Additional Information


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 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. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page

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


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

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

Block is a merchant services aggregator and mobile payment company that aims to simplify commerce through technology.
Size:  5001-10000 employees
Funding Level:  Public
Symbol:  SQ
Year Founded:  2009
Sequoia Capital
Khosla Ventures
First Round Capital
GGV Capital
Kleiner Perkins
Tiger Global Management
Sapphire Ventures
Goldman Sachs
SV Angel
Morgan Stanley
Starbucks Corporation
JP Morgan
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