Senior Frontend Developer - Angular / React / JavaScript / TypeScript

Remote, USA

Posted Jun 14, 2026

Full-time

Location: Remote (Working Hours: CST Time Zone)
Type: Long-term Contract
Start Date: ASAP
Client Domain: Smart Devices

Sphere is looking for Senior Frontend Developer to join a forward-thinking client developing smart device solutions.

Candidates must be available to collaborate during CST working hours.

Responsibilities

Develop application using Angular (must-have) and React

Write scalable, well-tested TypeScript and JavaScript code

Implement responsive design, smooth UI interactions, and dynamic components

Collaborate closely with cross-functional teams to translate product vision into high-quality software

Work with backend teams to integrate APIs and ensure seamless user experiences

Maintain design consistency by contributing to shared UI libraries and component systems

Review code, mentor teammates, and champion frontend best practices

Requirements

5+ years of experience in frontend development with a strong focus on Angular

Experience with React and an understanding of component-based architecture

Experience with TypeScript, JavaScript (ES6+), HTML5, and CSS3

Experience building responsive, mobile-friendly user interfaces

Strong API integration experience (RESTful services)

Familiar with Git workflows, Agile methodologies, and modern frontend tooling (Webpack, ESLint, etc.)

Comfortable working remotely and aligned with CST time zone

Nice to Have

Background working with IoT, smart devices, or connected hardware platforms
Experience with Mendix/OutSystems

Originally posted on Himalayas

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