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UI Developer

UI Developer

locationWestlake, TX, USA
remoteHybrid
PublishedPublished: 5/5/2026
IT / Computer Engineering
Full Time
Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We are currently sourcing for a UI Developer to work in Fidelity’s Enterprise Infrastructure Group in Westlake TX or Merrimack NH.

The Role

As a member of the engineering team, the UI Developer will design, build, and influence innovative front end solutions that meet not only functional requirements, but also performance, scalability, and reliability expectations. This role operates within a high functioning team and is encouraged to contribute to both feature development and engineering standards.

Key Responsibilities

  • Build, develop, and implement web applications using modern front end technologies
  • Collaborate within a Scrum team to analyze day to day tasks and deliver iterative solutions
  • Develop innovative automations that improve engineering and delivery efficiency
  • Enforce to established coding standards and engineering guidelines
  • Build and implement appropriate unit, integration, and deployment tests
  • Collaborate optimally with distributed teams and multi-functional partners

Required Technical Skills

Front End / UI Development

  • Proven experience with JavaScript and modern JavaScript frameworks
  • Familiarity with MVC frameworks such as:
  • AngularJS
  • Angular (2+)
  • Backbone.js or similar frameworks
  • Experience building complex, interactive user interfaces
  • Solid understanding of Responsive Web Design
  • Fluid grids
  • Responsive layouts
  • Cross device compatibility

Web Technologies

  • HTML5, including HTML5 APIs
  • CSS3 and modern CSS features
  • CSS frameworks and preprocessors such as SASS
  • DOM manipulation and browser behavior understanding

UI Design & Accessibility

  • Experience implementing responsive web design using CSS frameworks
  • Familiarity with accessibility aware UI development
  • Experience working with branded, customer facing web applications

Software Engineering & Dev Practices

  • Understanding of software design principles for maintainable and extensible systems
  • Experience with:
  • Kubernetes
  • Continuous Integration (CI)
  • Unit testing
  • Test Driven Development (TDD)
  • Automated integration testing
  • Static code analysis
  • Familiarity with modern build and deployment strategies
  • Agile / Scrum experience in an enterprise environment
Cloud & Platform Experience (Preferred)
  • Proven experience building and deploying solutions on public cloud infrastructure (AWS preferred)
  • Experience designing APIs and creating RESTful microservices
  • Experience developing and scaling Docker based applications
  • Familiarity with backend platforms such as Java or .NET is a plus
  • Exposure to enterprise Content Management Systems (CMS) is a plus