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Overview
Mid-Level

Back End Developer

Confirmed live in the last 24 hours

Critical Mass

Critical Mass

San Jose, Costa Rica
On-site
Posted April 6, 2026

Job Description

This role is in the organization to provide expertise in specific platforms that are commonly leveragedby clients. Output of this role is to develop code as a part of the implementation process.

Career Development is typically provided by the Technology Lead, Platform but can be modified to suit an account and/or office location. Nature of this role of role is that of a ‘contributor’.

You Will:

  • Be a source of expertise on platform development projects [e.g., Adobe Experience Manager projects]
  • Develop and maintain backend services [e.g., sling servlets, sling models, OSGi components andservices, workflows, etc. for AEM.]
  • Develop Unit test cases and perform unit testing
  • Manage and develop the integrations between various systems and the platform
  • Troubleshoot issues that arise on the platform [e.g., AEM]
  • Manage and maintain the content deployment workflows in the platform
  • Support quality assurance team in testing activities

You Have:

  • Ability to build systems that are easy to use, maintainable and scalable
  • Ability to effectively contribute to enterprise-grade development projects
  • Good understanding of the need to test and document your code with an excellent attention to detail
  • Ability to deliver maintainable and scalable code on time
  • Ability and desire to thrive in a fast-paced, client-service environment
  • Ability to learn and adapt to new technologies quickly
  • Excellent verbal and written communicator, ability to speak tech to non-tech people
  • Should be able to efficiently update on task status, blockers, dependencies on time
  • Moderate experience in platforms and content management systems [Adobe Experience Manager]
  • Java development
  • RESTful web services
  • Java Frameworks such as object mappers, Sling, JCR, Guice and Spring
  • Git/Bitbucket
  • JIRA, Confluence, SharePoint Site is an asset
  • Docker, Vagrant, Chef or Puppet is an asset
  • Configuring web servers such as Apache or NGINX is an asset
  • Configuration management is an asset [e.g., OSGi configurations]
  • Using and configuring build automation tools [Maven, Jenkins, TeamCity, Bamboo]
  • Web development tools and frameworks [JSP, JavaScript, HTML 5 and CSS]
  • HTTP protocol, UNIX shell scripting and networking
  • Using Code Editors like Visual Studio Code, IntelliJ IDEA or similar

What we offer: 

  • Maternity and parental leave extra days
  • Competitive benefits packages
  • Vacation, compassionate leave, sick days, and flex days
  • Access to online services for families and new parents
  • Diversity and Inclusion Board with 12 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts
  • And more…

At Critical Mass, we value our employees and offer competitive compensation and benefits packages.  If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!

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