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UI Developer

Design
Software Technology
Pennsylvania, United States1 month agoUntil 11/10/2026
Service contract

Job description

Before you reach out and ask – please read!

  • Any Visa Status is fine!
  • Sub-vending is fine!
  • Must be able to eventually relocate to Oaks, PA if requested.
Client: SEI Investments

Title: UI/Front-End Developer (Senior)

Duration: Long Term Contract

Location: Remote to start; working EST but must be open to future on-site work in Oaks, PA

Interview Process:

  • Apex Technical Screening
  • MS Teams Video I/V with SEI Senior Developers
  • MS Teams Video I/V
Start Date: 1 week after background check completes

This position's primary responsibility will be to provide technical expertise and coordinate for day to day deliverables for the team. The chosen candidate will assist in the technical design of large business systems; builds applications, interfaces between applications, understands data security, retention, and recovery. The role holder should be able to research on technologies independently to recommend appropriate solutions & should contribute to technology-specific best practices & standards; contribute to success criteria from design through deployment, including, reliability, cost-effectiveness, performance, data integrity, maintainability and scalability; contributes expertise on significant application components, program languages, databases, operating systems, etc., and guides/mentors the team during the build and test phases.

Skills/Requirements

  • Bachelor's/Master's degree or foreign equivalent required from an accredited institution and at least 6 years of UI/Front-End development.
  • 6+ years of experience in HTML 5, CSS 3, JavaScript, ES6, Bootstrap, Typescript and SASS experience.
  • Strong experience with Vanilla JavaScript.
  • 1-2+ years' experience in Angular 6+ or ReactJS
  • 1+ years of experience with Adobe Creative Suite, and similar technologies
  • Ability to take creative briefs and business requirements and translate them into simple and user-friendly solutions
  • Drive progress of visual design work to project completion (rich-media banner ads, HTML emails, simple web pages)
  • Testing and debugging cross-browser issues and functionality
  • Utilizing search engine optimization (SEO)
  • Strong understanding/knowledge of modern web/browser technology and API integration.
  • Experience in Agile methodology.
  • Strong communication and presentation skills.
  • Experience and desire to work in a Global delivery environment
  • Ability to learn and adapt to emerging technologies and enhance skills.
  • Nice to have:
    • Understanding of .NET Core Architecture
    • Application development C#, ASP .Net Core, SQL Server
    • .NET Framework, MVC & Web API 2.0
    • REST Services Architecture knowledge
    • Web Development Concepts (State Management, Stateless Development)

Required Skills : UI Developer Strong Vanilla JavaScript - this team uses JavaScript vs. JS libraries mostly. React or Angular experience but the key is JavaScript HTML/CSS .Net applications experience.

Basic Qualification :

Additional Skills : Long Term Contract Visa Friendly

Background Check :Yes

Notes :Long Term Contract

Selling points for candidate :Long Term Contract Visa Friendly

Project Verification Info :SOW Exhibit A Client Letter Apex Letter

Exclusive to Apex :No

Face to face interview required :No

Candidate must be local :No

Candidate must be authorized to work without sponsorship ::No

Interview times set :Yes

Type of project :Other Project Type

Master Job Title :Dev: Other

Branch Code :Philadelphia

Interested in this role?

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