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App Dev & Support Engineer III

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Conduent
Full Time position
Listed on 2026-06-04
Job specializations:
  • Software Development
    Front End Developer, Web Developer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Through our dedicated associates, Conduent delivers mission-critical services and solutions on behalf of Fortune 100 companies and over 500 governments - creating exceptional outcomes for our clients and the millions of people who count on them. You have an opportunity to personally thrive, make a difference and be part of a culture where individuality is noticed and valued every day.

  • Minimum 8 years of web application development experience.
  • Must have knowledge for lead UI development work and mentor junior team members.
  • Must have managed projects in React Framework with Redux.
  • In-depth knowledge of:
    Front End/UI development and with backend application Integration.
  • Strong proficiency in Type Script/JavaScript with standard of ES6 including DOM manipulation and the JavaScript object model.
  • Must have Experience in Front-End User Interface (UI) development using React

    JS frameworks with Redux.
  • Up-to-date knowledge of modern HTML/HTML5, CSS/CSS3, JS, XML, JSON, DHTML, SASS.
  • Experience in developing responsive web applications that work well across the multiple devices.
  • Experience with browser differences and limitations and client-side performance.
  • Familiarity with debugging tools for Internet Explorer, Safari, Chrome and Firefox.
  • Solid understanding and experience in services integration using SOAP and/or Restful Web Services utilizing XML and/or JSON.
  • Ability to quickly learn and work on new technologies and implement POC.
  • Able to come up with various UI designs and architectural thoughts according to UX designs.
  • Experience with maintaining existing JS codebase.
  • Good oral and written communication skills.
Nice to Have
  • Experience with Other UI frameworks like Angular, Vue, etc.
  • Experience with front-end tooling such as Webpack, Grunt, or similar.
  • Experience with CSS preprocessors such as SASS/SCSS.
  • Experience with ARIA/Accessibility (ADA)
  • Experience with JSP/XHTML
  • Experience with security standards like OWASP.

Conduent is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, creed, religion, ancestry, national origin, age, gender identity, gender expression, sex/gender, marital status, sexual orientation, physical or mental disability, medical condition, use of a guide dog or service animal, military/veteran status, citizenship status, basis of genetic information, or any other group protected by law.

For US applicants:
People with disabilities who need a reasonable accommodation to apply for or compete for employment with Conduent may request such accommodation(s) by submitting their request through this form that must be downloaded:  to access or download the form (). Complete the form and then email it as an attachment to  You may also  to access Conduent's ADAAA Accommodation Policy ().

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