Software Developer, E-commerce

  • Toronto, ON, Canada
  • Employees can work remotely
  • Full-time

Company Description

We believe the economy is better when everyone has access. When everyone has room to grow. No one should be left out because the cost is too great or the technology too complex. We started with a little white credit card reader but haven’t stopped there. We’re empowering the independent electrician to send invoices, setting up the favorite food truck with a delivery option, helping the ice cream shop pay its employees, and giving the burgeoning coffee chain capital for a second, third, and fourth location. We’re here to help sellers of all sizes start, run, and grow their business—and helping them grow their business is good business for everyone.

Job Description

As Square’s business continues to expand into the online space, these teams will help build all aspects of Square’s E-commerce (ECOM) offering. We are looking for talented and passionate software engineers to join our Toronto office.

*Integrations - You will...

  • Build and maintain the core service and infrastructure that connects the Square ecosystem with the Weebly/ECOM Products, processing millions of requests per day for hundreds of thousands of merchants

  • Partner closely with teams from both Square and E-commerce  ecosystems to review engineering designs, provide architectural guidance, and assist teams as they continue to integrate the Square/ECOM platform

*Store - You will...

  • Build and maintain the core features that allow sellers to succeed online, including managing their online item catalog, accepting orders, fulfilling those orders, and everything in between

  • Work closely with other Store teams on cross functional initiatives to provide complex and advanced Online Store functionality. From international support to robust customer accounts, you will work on the advanced features that help sellers grow and succeed

*Photo Studio - You will...

  • Define the architectural direction for the Online Store product, and work closely with technical stakeholders from other teams to ensure that our plans and approaches are technically sound and forward thinking

  • Build out and enhance the purchase flow, add new products and functionality for purchase, and create admin and management tools for photographers

  • Work on a product that provides tremendous value to sellers, by allowing them to get professional quality photos and 360 degree animations of the products using our state-of-the-art robotic camera at a low price

  • Support rapid growth of the platform and expansion into more studio locations. The engineering team will play a key role in finding efficiencies that allow the product to scale

*Buyer Experience - You will…

  • Work directly on the surface which ties all of the complex business details together that power the buyers' shopping experience, allowing them to shop for and purchase sellers' goods and services on Square Online. This includes full catalog browsing, menu display, in-restaurant dine-in ordering, cart, and checkout, and more.

  • Build and maintain the complex front-end application that is the modern E-commerce  website, taking all the complexity of the business and simplifying it to a tailored and simple buyer experience.

  • Partner directly with teams across Square to bring Square sellers' businesses online.

*Buyer Demand - You will…

  • Work across the stack to build and maintain innovative, self-serve ordering features, working with QR code generation, our website builder, and checkout flows.

  • Partner closely with product, design, and teams across Square to create omnichannel experiences to drive buyer demand: customer accounts, coupons, loyalty, gift cards, etc.

*Website - You will…

  • Build and maintain a best in class E-commerce  website editor that enables our sellers to create a professional website to showcase their business online. You will be responsible for ensuring the stability and scalability of a core service that’s essential to hundreds of thousands daily business.

  • Help guide the architecture and growth of a platform with a focus on testability and maintainability.

  • Partner with teams across Square to integrate and expand services that enable a robust feature set into our online experiences.


You have:

  • 4+ years of full-stack development experience and an excellent command of engineering fundamentals

  • Motivation to build beautiful, intuitive products 

  • Innate curiosity, and a desire to learn and teach

  • Empathy for your customers and colleagues

  • Eagerness to share your own ideas, and openness to those of others

Technologies we use and teach:

  • Javascript, VueJS, Vuex, Ember.js

  • PHP, Laravel

  • Protocol Buffers, gRPC

  • Java, Guice, Guava,, jOOQ

  • Ruby, Go

  • MySQL, Elasticsearch, PostgreSQL, Cassandra

  • Redis, Memcached, Kafka

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) 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.

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.

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