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Software Engineer II, Ad Apps

GumGum

$148,000 - $167,500
Nov 15, 2025
Santa Monica, CA, US
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GumGum is looking for a Software Engineer II to build and maintain web applications for both internal and external users, focusing on developing applications used daily across the company and contributing to the next phase of digital advertising that prioritizes data privacy.

Requirements

  • 3+ years Software Engineer experience, including JavaScript
  • Candidate has shipped code to production
  • 3+ years experience with React
  • 2+ years experience with Java
  • Core understanding of JavaScript, HTML5, and CSS3
  • Use of Git and command-line tools
  • Familiarity with RESTful API concepts

Responsibilities

  • Design, develop, and maintain new features and improvements for a variety of React web applications
  • Develop backend functionality with Java/Spring, including extending and maintaining APIs
  • Support more senior engineers with projects from inception to production release (and beyond)
  • Collaborate regularly with other teams such as DevOps, Designers, and Product to optimize our applications and brainstorm creative solutions together
  • Implement tests and ensure proper functionality and graceful degradation on multiple browsers
  • Help troubleshoot user reported issues from the team's applications
  • Create new web applications from the ground up if needed

Other

  • In-person/office collaboration is required 2 days per week
  • Degree in Computer Science or a related technical field is a plus
  • Prioritization of tasks in alignment with company goals.
  • Work with stakeholders in various departments to fully understand business requirements and translate them into the development of the products
  • Develop a deep understanding of the advertising industry as required to be able to make decisions about our technical approach and provide our users with more efficient applications