> Markdown version of [/jobs/ext/4003431-ui-developer](https://www.wearedevelopers.com/jobs/ext/4003431-ui-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# UI Developer

- **Company:** Saransh Inc
- **Location:** Chicago, IL, United States
- **Experience:** Expert
- **Contract:** Temporary to permanent
- **Skills:** Web Interfaces, HTML, JavaScript (Programming Language), Agile Methodology, HTML5, Unit Testing, Bootstrap (Software), Cascading Style Sheets (CSS), Code Review, Software Debugging, Visual Basic .NET (Programming Language), Performance Tuning, Scrum Methodology, TypeScript, Web Platforms, ReactJS, Spring-boot, Ios Frameworks, Git, Material UI, React Redux, Restful APIs, Service Stack, Legacy Systems
- **Published:** October 29, 2026
- **Apply:** https://www.careerjet.com/jobad/us3305ff26486e241112f6489ea5ab75ec

## About the Role

8+ years of ReactJS development experience.
Strong knowledge of JavaScript/TypeScript, HTML5, CSS3, and REST APIs.
Experience with state management (Redux/Context API) and UI frameworks (Material UI, Bootstrap).
Proficiency with Git and Agile methodologies.
Experience migrating legacy applications to modern web platforms preferred.
Technology Stack: ReactJS, TypeScript, JavaScript, Spring Boot, REST APIs, Git, Material UI, Agile/Scrum.
Work Experience 5-7 Years.

## Description

Seeking a skilled ReactJS Developer to modernize a legacy VB.NET application by developing responsive, user-friendly web interfaces integrated with Java Spring Boot services., Convert VB.NET UI screens and workflows into modern ReactJS applications.
Develop reusable, responsive components using ReactJS, TypeScript/JavaScript, HTML, and CSS.
Integrate with Spring Boot REST APIs.
Collaborate with business and technical teams to ensure feature parity and improved user experience.
Perform unit testing, debugging, code reviews, and performance optimization.