UI Developer

Siri InfoSolutions Inc; Parsippany-Troy Hills (NJ); On-site; USD 100,000 - 150,000; Full time

Job summary

Siri InfoSolutions Inc is seeking a UI Developer to join our on-site team in Parsippany, NJ (onsite). The role emphasizes delivering scalable, responsive web interfaces and collaborating across product and backend teams.

You will design and implement front-end architecture using React or Angular, JavaScript/TypeScript, HTML5, and CSS3, while ensuring performance, accessibility, and cross-browser compatibility. Strong collaboration with UX, QA, and API teams is essential.

Qualifications

• 5+ years of overall UI/front-end development experience.
• 3+ years of hands-on experience with React.js or Angular in enterprise applications.
• Strong experience with JavaScript, TypeScript, HTML5, CSS3, responsive design, and reusable components.

Responsibilities

• Design and develop responsive, scalable UI screens.
• Build reusable UI components, layouts, forms, tables, dashboards, grids, and workflow screens.
• Develop front-end functionality using React.js or Angular, JavaScript, TypeScript, HTML5, and CSS3.
• Integrate front-end with REST APIs and backend services.
• Implement client-side validations, routing, state management, and reusable service layers.
• Collaborate with UX designers to convert wireframes into UIs.
• Collaborate with backend/API teams on API contracts and integration behavior.
• Optimize UI performance and browser compatibility.
• Ensure accessibility and responsive design practices.
• Participate in code reviews, unit testing, and production issue resolution.
• Create and maintain technical documentation and implementation guidelines.
• Work with QA teams on testing and defect resolution.

Skills

Front-End experience

React/Angular

JavaScript/TypeScript/HTML/CSS

REST APIs

Agile delivery

Job description

Position: UI Developer

Location: Parsippany NJ Dallas TX (Onsite)

Duration: Fulltime

Must Have Technical/Functional Skills

1. 5+ years of overall UI / Front-End development experience.
2. 3+ years of hands-on experience with React.js or Angular in enterprise application development.
3. Strong experience with JavaScript, TypeScript, HTML5, CSS3, responsive design, and reusable component development.
4. Experience integrating UI applications with REST APIs, backend services, and JSON-based data contracts.
5. Experience working in Agile delivery models with developers, QA, product owners, and business stakeholders.

Roles & Responsibilities

• Design and develop responsive, scalable, and user-friendly web application screens.
• Build reusable UI components, layouts, forms, tables, dashboards, grids, and workflow screens.
• Develop front-end functionality using React.js or Angular, JavaScript, TypeScript, HTML5, and CSS3.
• Integrate front-end applications with REST APIs and backend services.
• Implement client-side validations, error handling, routing, state management, and reusable service layers.
• Collaborate with UX designers to convert wireframes and mockups into functional user interfaces.
• Collaborate with backend/API teams to review API contracts, request/response payloads, and integration behavior.
• Optimize UI performance, page load time, browser compatibility, and application responsiveness.
• Ensure accessibility, usability, and responsive design practices are followed.
• Participate in code reviews, unit testing, defect fixes, deployment support, and production issue resolution.
• Create and maintain technical documentation, component usage notes, and implementation guidelines.
• Work with QA teams to support system testing, integration testing, regression testing, and UAT defect resolution.