Senior UI Developer / Front-End Engineer
We are seeking a Senior UI Developer / Front-End Engineer to build modern, high-performance search experiences used across internal and public-facing platforms. This role will focus on developing scalable, reusable UI components and delivering intuitive search interfaces for a large enterprise environment.
Role Overview
This is a hands-on front-end engineering role focused on building modern web applications that support high-traffic, enterprise-grade search platforms. You will work on reusable component libraries, themeable UI systems, and performant search interfaces used across multiple applications and brands.
Key Responsibilities
Design and develop modern front-end applications using frameworks such as Vue.js, React, or Angular
Build and maintain reusable component libraries and design systems
Develop themeable/white-label UI components supporting multiple brands, styles, and modes (e.g., dark/light themes)
Integrate front-end applications with REST and OpenSearch APIs
Optimize UI performance for large-scale, high-traffic applications
Improve rendering efficiency and search experience performance
Collaborate closely with product, design, and backend teams
Contribute to UX improvements for enterprise and public-facing search platforms
Required Qualifications
Strong experience with modern JavaScript frameworks (Vue.js preferred; React/Angular also acceptable)
Advanced proficiency in JavaScript and/or TypeScript
Experience building and maintaining design systems and reusable UI component libraries
Experience developing themeable or configurable UI components for multi-brand platforms
Strong experience consuming APIs (REST/OpenSearch); no backend development required
Proven expertise in UI performance optimization for large-scale applications
Experience working in high-traffic production environments
Preferred Qualifications
Experience building search-focused user interfaces
Familiarity with enterprise search platforms such as Elasticsearch or OpenSearch
Exposure to semantic search or AI-driven search experiences
Experience building chat-style or conversational search interfaces
Background supporting applications with millions of users or high query volumes
What You'll Be Building
Modern search experiences for enterprise and public-facing platforms
Internal search systems supporting large-scale organizational needs
Shared search components used across multiple websites
Potential contributions to advanced data/search platforms such as economic data systems
Work Environment
Highly collaborative, cross-functional team environment
Strong emphasis on clean UI/UX and performance
Opportunity to influence architecture and front-end standards
Ideal Candidate Profile
Engaging, communicative, and comfortable working with stakeholders
Customer-focused mindset with strong collaboration skills
Proactive and thoughtful in suggesting improvements and solutions
Team-oriented and easy to work with - not someone who prefers to work in isolation
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

UI Developer
Apex Systems · Glen Allen, VA, USA ·
- Job type:
- Full Time