Job Description
Job DescriptionJob Title: Senior Frontend Engineer (React.js)
Team: Strategic Development Team
Location: Cambridge (In-person)
About Us
We are one of the fastest-growing and most innovative GenAI startups based in Boston. Founded by a Harvard graduate alongside co-founders from NVIDIA and BITS Pilani, we are making waves in the generative AI space with transformative enterprise solutions.
About the Role
We are seeking skilled Senior Frontend Engineer to join our Strategic Development Team. This role involves building modern, scalable, and responsive user interfaces for enterprise-grade applications. You ll work closely with designers and backend developers to bring intuitive and efficient user experiences to life using React.js, TypeScript, and modern CSS techniques.
This is a full-time, in-person opportunity based in Cambridge, ideal for developers passionate about UI/UX, frontend architecture, and modern web development practices.
Key Responsibilities
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Develop responsive and accessible user interfaces using React.js and TypeScript
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Implement complex UI designs based on Figma/wireframes
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Integrate REST APIs and manage client-side state
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Apply modern CSS practices (Flexbox, Grid, CSS-in-JS)
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Work with component libraries and design systems to maintain UI consistency
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Ensure cross-browser compatibility and performance optimization
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Write unit and integration tests for frontend components
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Collaborate with designers, product owners, and backend engineers
Required Skills & Experience
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Minimum 5+ years of professional experience in frontend/UI development
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Strong hands-on experience with React.js and modern JavaScript/TypeScript
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Proficiency in responsive design and cross-browser compatibility
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Deep knowledge of modern CSS techniques (Flexbox, Grid, SCSS, CSS Modules, or styled-components)
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Experience working with component libraries (e.g., Material-UI, Chakra UI)
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Ability to translate UI/UX designs into functional code
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Familiarity with REST API integration and error handling
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Experience with frontend testing tools (e.g., Jest, React Testing Library)
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Proficient with Git and version control workflows
Preferred Skills (Good to Have)
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Experience with Next.js or similar frameworks
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Familiarity with Redux, Context API, or MobX for state management
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Understanding of performance optimization techniques for frontend applications
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Experience working closely with designers on interactive UI components