United States onlyLocation: 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
CA and US only
