Senior Frontend Developer - Angular / React / JavaScript / TypeScript

<p><strong>Location:</strong> Remote (Working Hours: CST Time Zone)<br />
<strong>Type:</strong> Long-term Contract<br />
<strong>Start Date:</strong> ASAP<br />
<strong>Client Domain:</strong> Smart Devices </p>

<p>Sphere is looking for  <strong>Senior Frontend Developer</strong> to join a forward-thinking client developing smart device solutions. </p>

<p> Candidates must be available to collaborate during <strong>CST working hours</strong>.</p>

<hr />
<p><strong>Responsibilities</strong></p>

<ul>
<li>
<p>Develop application using <strong>Angular</strong> (must-have) and <strong>React</strong></p>
</li>
<li>
<p>Write scalable, well-tested <strong>TypeScript</strong> and <strong>JavaScript</strong> code</p>
</li>
<li>
<p>Implement responsive design, smooth UI interactions, and dynamic components</p>
</li>
<li>
<p>Collaborate closely with cross-functional teams to translate product vision into high-quality software</p>
</li>
<li>
<p>Work with backend teams to integrate APIs and ensure seamless user experiences</p>
</li>
<li>
<p>Maintain design consistency by contributing to shared UI libraries and component systems</p>
</li>
<li>
<p>Review code, mentor teammates, and champion frontend best practices</p>
</li>
</ul>

<hr />
<p><strong>Requirements</strong></p>

<ul>
<li>
<p>5+ years of experience in frontend development with a strong focus on <strong>Angular</strong></p>
</li>
<li>
<p>Experience with <strong>React</strong> and an understanding of component-based architecture</p>
</li>
<li>
<p>Experience with <strong>TypeScript</strong>, <strong>JavaScript (ES6+)</strong>, HTML5, and CSS3</p>
</li>
<li>
<p>Experience building responsive, mobile-friendly user interfaces</p>
</li>
<li>
<p>Strong API integration experience (RESTful services)</p>
</li>
<li>
<p>Familiar with Git workflows, Agile methodologies, and modern frontend tooling (Webpack, ESLint, etc.)</p>
</li>
<li>
<p>Comfortable working remotely and <strong>aligned with CST time zone</strong></p>
</li>
</ul>

<hr />
<p><strong>Nice to Have</strong></p>

<ul>
<li>
<p>Background working with <strong>IoT</strong>, <strong>smart devices</strong>, or <strong>connected hardware platforms</strong></p>
</li>
<li>
<p>Experience with Mendix/OutSystems</p>
</li>
</ul>