Job Description

The XPOS Discovery team is building the next generation of POS by introducing the Add Ons ecosystem for all products of Point of Sale. With this ecosystem, we are empowering merchants to tailor their point of sale to the needs of their business, and creating a foundation for third-party developers to incorporate unique value propositions into Point of Sale easily and securely. These first and third-party add-ons will allow us to grow our Point of Sale applications to several businesses, and unlock powerful new tools for our merchants. You will report to the engineering lead on a full-stack team.

You Will:

• Work with your fellow engineers and cross-functional teammates to ensure that Square delivers a comprehensive and cohesive web-based product to end-users;

• Be responsible for engineering designs and implementations of impactful end-user product features;
• Help the team refine existing and establish new engineering patterns and processes to provide a thoughtful development cycle;
• Work with product managers and designers to refine and define product scope;
• Guide the architecture of our front-end systems to ensure quick and stable feature development.

Qualifications

You Have:

• Excellent software engineering knowledge and a product mindset;
• 5+ years professional experience working on web applications;
• Experience working in backend systems in Java, Go, or Ruby, frontend languages JavaScript, HTML, CSS, and frameworks (React, Ember, Vue)
• Experience modeling data and working with relational databases;
• Experience with or interest in learning about AWS or other cloud computing platforms;
• Experience with or interest in learning about modern HTML, CSS, and JavaScript UI Frameworks (React, Ember, Vue).
• Experience working with multiple teams and a desire to deliver a great product;

Technologies we use and teach:

• Java / Guice / MySQL / Protocol Buffers / gRPC / JUnit
• AWS - Terraform, S3, SNS, SQS, IAM
• CDN - Fastly, CloudFront
• ES6 JavaScript / TypeScript / EmberJS / React / SCSS / QUnit / Cypress