Principal Frontend Engineer (Remote - US)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Principal Frontend Engineer in United States.

This role offers an exciting opportunity to lead the design and development of next-generation user interfaces that bring complex data, media, and intelligence to life. You will shape the UI architecture for both web and mobile platforms, spearhead a growing engineering team, and collaborate closely with design, product, and platform teams to deliver high-performance, scalable solutions. The ideal candidate is highly skilled in frontend development, with expertise in React.js, TypeScript, and real-time media APIs, while also possessing strong design intuition and a deep sensitivity to user experience. This position allows you to influence technical strategy, mentor team members, and integrate AI-assisted workflows to accelerate development and enhance user interactions. You will play a pivotal role in advancing innovative UI/UX experiences and ensuring consistency and quality across the product ecosystem.

Accountabilities:

• Lead the architecture, development, and optimization of core UI systems across web and mobile platforms.
• Mentor and grow a frontend engineering team, defining technical standards, best practices, and design excellence.
• Drive cross-functional collaboration with design, product, and platform teams to ensure seamless project execution.
• Design and implement voice- and video-enabled interfaces using MediaRecorder, Web Speech, WebRTC, and related APIs.
• Build immersive, high-performance UI experiences for real-time streaming, interactive media, and data visualization layers.
• Integrate AI-assisted development tools and workflows to accelerate prototyping and improve developer productivity.
• Provide technical guidance through code reviews, design critiques, and architectural oversight.
• Collaborate with backend and data teams to define API contracts and ensure integration consistency.
• Foster a culture of continuous learning, innovation, and engineering rigor.

• Bachelor’s degree in a related field or equivalent work experience.
• 14+ years of frontend/UI development experience, including at least 2 years in a technical lead or architect capacity.
• Proven experience leading or scaling frontend engineering teams.
• Strong expertise in React.js, React Native, TypeScript, and modern JavaScript (ES6+).
• Proficiency with voice, video, and media APIs (MediaRecorder, Web Speech, WebRTC).
• Experience building high-performance native web apps and cross-platform UIs.
• Strong UX and design sensibility, with experience in design systems and visual hierarchy.
• Excellent leadership, communication, and collaboration skills.
• Familiarity with GraphQL, micro-frontend architectures, or monorepo setups preferred.
• Experience with data visualization frameworks (e.g., D3.js, Deck.gl) preferred.
• Hands-on experience with AI-assisted development tools (GitHub Copilot, ChatGPT, or custom LLM integrations) is a plus.
• Passion for developer experience, emerging technologies, and innovative UI/UX solutions.