UI Developer (ReactJS) – Legacy Modernization-Local to TX
HPTech Inc.
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Job Details
Skills
- Agile
- Frontend Development
- HTML5
- React.js
- Microservices
- UI
- Unit Testing
- User Experience
- Visual Basic .NET
- Windows Forms
- TypeScript
- Scrum
- Software Development
- JavaScript
- Css3
- Git
- Legacy Systems
Summary
Role: UI Developer (ReactJS) – Legacy Modernization
Location: Richardson, TX (Hybrid)(Local to TX)
Employment Type: Contract (6 Months)
Experience Level: Senior (8+ Years)
Skill Cluster : DE-Web-React Advanced.
Primary Skill : React JS, TypeScript, Git
Role Overview: We are seeking a Senior UI Developer (ReactJS) to drive the frontend modernization of a legacy VB.NET enterprise application into a modern, responsive web application backed by Java Spring Boot microservices. The ideal candidate will translate complex legacy screens and business workflows into intuitive, high-performance user interfaces while maintaining functional parity and optimizing overall user experience.
Key Responsibilities
Modernization & Migration: Convert legacy VB.NET UI screens and complex business workflows into modern, high-performance ReactJS applications.
Frontend Development: Build clean, reusable, and accessible components using ReactJS, TypeScript, JavaScript, HTML5, and CSS3.
API Integration: Seamlessly connect frontend components with secure Java Spring Boot RESTful APIs and microservices.
Quality & Performance: Conduct unit testing, cross-browser debugging, performance tuning, and code reviews to ensure reliability and scalability.
Cross-Functional Collaboration: Partner closely with UI/UX designers, backend engineers, product owners, and business stakeholders to ensure smooth delivery in an Agile environment.
Required Qualifications
Experience: 8+ years of hands-on frontend software development with a focus on ReactJS in enterprise settings.
Core Web Technologies: Deep proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3, and REST API integration.
State & UI Management: Proven experience with state management libraries (Redux, Context API) and UI component frameworks (Material UI, Bootstrap, or similar).
Tooling & Process: Hands-on experience with Git version control and modern build tools within an Agile/Scrum delivery model.
Preferred Qualifications
Prior experience in legacy system modernization (specifically migrating desktop or monolithic applications like VB.NET/WinForms to modern web stacks).
Familiarity with Java Spring Boot architecture to facilitate smoother backend integration.
Experience implementing automated testing frameworks for React (Jest, React Testing Library).
Core Technical Stack
Frontend: ReactJS, TypeScript, JavaScript, HTML5, CSS3, Redux / Context API, Material
UI Backend Integration: REST APIs, Java Spring Boot
DevOps & Process: Git, Agile / Scrum Methodologies
- Dice Id: 91162806
- Position Id: 9131381
- Posted 1 hour ago
Company Info
About HPTech Inc.
HPTech Inc has grown to become a premier provider of IT consulting services for technology. With a specialized niche in transaction and data warehousing applications, HPTech Inc helps clients implement mission-critical, enterprise solutions, speed conversion from legacy environments, and optimize the benefits inherent in their systems. Our consulting solutions range from project strategy and planning, software assessment and selection, to implementation and integration, hosting and change management, support and maintenance translating to higher productivity, lower costs.