Senior Frontend Engineer

As a Senior Front-End Developer at Topsort, you’ll be responsible for building and optimizing user-facing features that power our platform, working closely with designers, product managers, and backend engineers to deliver seamless and responsive web experiences. You’ll work primarily with modern JavaScript frameworks like React (and ideally Next.js), focusing on performance, accessibility, and scalability. This role is ideal for someone who thrives in a fast-paced startup environment, enjoys turning complex problems into intuitive interfaces, and takes pride in clean, maintainable code.

Requirements

• Bachelor’s in Computer Science, Design, or related field.
• 5+ years of experience in front-end development.
• Strong knowledge of JavaScript, HTML, CSS, and front-end frameworks such as React.
• Proficiency in modern JavaScript frameworks (React, Vue.js, or similar).
• Experience with front-end build tools and workflows (Webpack, Babel, NPM).
• Strong understanding of responsive design, accessibility, and web performance optimization.
• Preferred experience: Experience with Next.js or server-side rendering (SSR). Contributions to open-source projects or development of high-traffic web applications.
• Demonstrated experience working in a three-tier application architecture
• Experience working with Python frameworks like FastAPI
• Experience working with PostgreSQL