Mulesoft Integration Developer

  • San Francisco, CA
  • Employees can work remotely
  • Full-time

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 Integration Developer, you will be responsible for building integrations for all Business applications (Oracle, Salesforce, Workday, Arena, Anaplan, Expensify, third party integrations etc). This will include rewriting existing Salesforce and Oracle integrations through Mule, architecting endpoint APIs for reusability and building security to third party providers to access them. 

You will:

  • Participate in all phases of the software development lifecycle, including discovery, analysis, requirements definition, solution design, configuration, code development, testing, deployment and support
  • Responsible for building Integrations between business applications (such as Oracle ERP, Salesforce, Workday) and 3rd party systems/applications. 
  • Responsible for designing ,building and documenting new APIs for third party consumption.
  • Collaborate cross-functionally with technical/non-technical stakeholders to gather and understand the requirements
  • Understand and implement secure credential management options and proper encryption practices both in motion and at REST
  • Control integration quality and develop ways to detect and correct anomalies with data exchange
  • Develop monitoring and alerting process while building the integrations for scale. 
  • Be a self-starter and team player with solid verbal and written communication skills


You have:

  • BS or MS in Information Systems, Computer Science or other relevant degree
  • 2+ years prior experience developing solutions on Mulesoft integration platform
  • Familiarity with business applications; such as Oracle ERP, Salesforce, Workday, Anaplan etc. 
  • Experience in design, developing, testing, implementation, and documentation of Mule APIs and Mule Anypoint platform
  • Solid Programming skills using JAVA, J2EE, JavaScript, JMS, SOAP / REST Web Services, XSLT, XML, JSON
  • Proficiency in building complex mappings using DataWeave Language
  • Proficiency in web service design using RAML (with JSON/XML)
  • Experience in building common services framework for logging, error handling, configuration, authentication and authorization
  • Experience in Continuous integration and Continuous deployment using Maven, Jenkins and Mulesoft

Even Better:

  • Previous roles in a consulting or high growth, tech environment highly desired
  • Experience with Mule 4 is a plus
  • Experience in implementing OAUTH authentication, SSL implementation is a plus
  • Experience with different API Management tools is a plus

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.


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