Own frontend architecture, API/data layer, testing infrastructure, and client performance for Replit's core product surfaces. Partner with engineering, product, and design to ship reliable, high-leverage platform foundations.

Build and lead polished, high-performance frontend experiences for Harvey’s AI collaboration products. The role requires 4+ years of frontend engineering experience, strong React and TypeScript skills, and the ability to deliver intuitive user-facing features across the stack.

Develop responsive user experiences and novel data visualizations using React, GraphQL, TypeScript, and Node.js. Own substantial product features from design to launch for a high-performance analytics platform.

Develop responsive user experiences and novel data visualizations using React, GraphQL, TypeScript, and Node.js. Own product features from design to launch while collaborating with product and backend teams.

Senior Frontend Engineer building patient and physician-facing AI-enabled healthcare interfaces. Requires 5+ years production frontend experience with React, Next.js, TypeScript, and strong design systems expertise.

Build high-performance, real-time conversational interfaces for an AI platform, focusing on streaming data, rendering performance, resilience, accessibility, and frontend architecture. Requires 5+ years of frontend experience, strong TypeScript/JavaScript skills, and expertise with a modern UI framework.

Design and develop frontend experiences for developer dashboards using TypeScript and React. Own code from inception to release while collaborating with Design and Systems Engineers.

As a UI Engineer, you will own the craft layer of the product, working with product and design to prototype, build, and ship polished interfaces across the voice platform and native actions framework. This role requires exceptional UI/UX taste, deep empathy for users, and a strong focus on visual and interaction quality.

Build and own high-performance frontend interfaces for visualising and annotating multimodal AI data, including complex 3D/4D browser scenes. The role requires strong production frontend experience with TypeScript and React, plus comfort working across the stack and autonomously on ambiguous technical problems.

Build and own high-performance editor interfaces for visualizing and annotating multimodal AI data, including complex 3D/4D browser scenes. The role requires strong production frontend experience with TypeScript and React, plus the ability to work across the stack in an autonomous, collaborative environment.

Own frontend architecture and deliver high-quality UI/UX for complex financial applications while mentoring the team. Requires 6+ years of software engineering experience and a true frontend specialist who can go full-stack when needed.

New grad software engineer building intuitive, performant UIs for an applied AI startup's data science platform. Requires React/Next.js experience and shipped production code.

Seasoned frontend engineer building the core Advisor Experience platform, including onboarding, travel booking tools, and client management features using modern web frameworks.

Build and ship polished, high-performance user-facing features for Claude.ai's web app, working closely with designers and PMs on responsive interfaces, accessibility, and real-time interactions.

Senior engineer building and maintaining JavaScript SDKs for major frameworks including React, Next.js, Vue, and NestJS. Requires 5+ years experience, deep TypeScript/JavaScript expertise, and hands-on framework experience.

Senior software engineer building AI-powered features across ClickHouse Cloud, spanning APIs, model integrations, and responsive frontend interfaces. Requires 5+ years of production software engineering experience, strong TypeScript/JavaScript and React skills, and exposure to AI/ML systems.

Growth Engineer responsible for building and instrumenting Modal's marketing site, docs, landing pages, and interactive web experiences. Strong frontend craft, product taste, and data-driven mindset required for onsite NYC role.

Senior software engineer building AI-powered features across ClickHouse Cloud, including APIs, model integrations, and responsive frontend interfaces. Requires 5+ years of production software engineering experience, strong TypeScript/JavaScript and React skills, and backend experience with TypeScript or Python.

Design Engineer owns the design system, prototypes in React/TypeScript, implements pixel-perfect UI components using AI tools like Cursor, and ensures design-code parity across the product dashboard and agent interfaces.

Senior Frontend Engineer owns end-to-end patient and provider interfaces for a high-scale healthcare platform, architecting complex state management, responsive UIs, and AI integrations while ensuring performance and reliability. Requires 5-7+ years React experience, strong product sense, and onsite collaboration in SF.

Develops and architects front-end single-page web applications using JavaScript frameworks, focusing on performance, UX, and SPA transformation. Requires 2+ years experience with TypeScript, HTML/CSS, REST APIs, testing, and Linux/AWS familiarity.

Designs and builds responsive Vue.js frontend applications for data-heavy B2B financial workflows at a high-growth AI startup. Requires 5+ years frontend experience, TypeScript expertise, and mentoring skills in early-stage environment.

Develops low-latency React frontends for real-time operator interfaces controlling autonomous vehicles and robots via video, maps, and interactive controls. Requires strong React/TypeScript expertise and real-time web experience.

Build and optimize Angular-based frontend features, reusable components, and application state management while collaborating with backend, integrations, design, product, and QA teams. The role requires 5+ years of JavaScript experience, strong HTML/CSS knowledge, and mentoring ability.

Builds and evolves frontend design systems, component libraries, and reusable patterns for complex data workflows using React, TypeScript, and TailwindCSS. Requires 10+ years experience, strong product sense, and technical leadership in production-grade UI systems.

Senior Frontend Engineer develops and optimizes a CAD modeling app's UI using TypeScript, React, and XState. Integrates with WebAssembly, CodeMirror for code-to-3D model bridging, and focuses on high performance and browser optimization.

Builds browser-integrated Web UI features like AI conversations and settings using React, TypeScript, and other frameworks. Integrates with Chromium APIs and customizes native UI, requiring strong JavaScript UI expertise and C++ experience.

Builds AI-powered frontend workflows and human-in-the-loop interfaces for revenue platform, focusing on customer-facing features like approvals and dashboards. Requires React/TypeScript expertise, end-to-end ownership, and production responsibility in fast-paced startup.

Senior Web Engineer owns complex frontend features end-to-end using React, Next.js, and TypeScript, collaborates on APIs, ensures reliability through monitoring and incident response, and improves system performance at a high-traffic prediction market platform. Requires 3-5+ years experience and strong debugging skills.

Builds and evolves shared frontend infrastructure, design systems, and developer tooling to enable scalable, high-performance user experiences. Requires strong experience in large-scale frontend systems and improving engineering velocity.

Builds and leads frontend features using React and Redux, ensuring responsive, accessible UIs. Collaborates cross-functionally, mentors engineers, and drives technical innovation in a fast-paced environment. Requires 5+ years experience.

Designs and builds polished, production-ready interfaces and scalable design systems across desktop and mobile platforms. The role requires strong React, TypeScript, Tailwind, prototyping, visual design, and interaction design skills, plus a willingness to work primarily in person in London.

Build real-time collaborative code review platform with social features, define technical direction, and mentor engineers. Requires experience building high-quality software and designing developer velocity frameworks for fast-moving teams.

Builds interactive, data-rich UIs with React, TypeScript, and Vega, integrating LLM features like natural language querying and AI-assisted storytelling. Leads feature delivery for AI-powered observability platform, requiring 7+ years experience and frontend performance expertise.

Builds and scales frontend architecture for Confido's platform, creating intuitive UIs for financial workflows, dashboards, and data visualization. Requires 4+ years experience with React and strong UI/UX skills.

Builds high-performance React/TypeScript interfaces for real-time cyber operation data visualization. Owns frontend features end-to-end, focusing on performance, testing, and collaboration in mission-critical environments. Requires 5-8 years experience.

Builds sophisticated UI components, interactive dashboards, and data visualizations for AI-driven enterprise workflows. Requires 3-5 years in frontend development with expertise in TypeScript, modern React ecosystem, and performance optimization.

Leads design and implementation of web experiences including website and documentation using React/Next.js. Owns front-end code, launch assets, visual consistency, and team building. Requires 8+ years in web/UI design with strong portfolio and coding fluency.

Build and optimize Webflow-based websites, landing pages, conversion funnels, integrations, and experimentation infrastructure. The role requires 5+ years of web development experience, expert Webflow skills, strong JavaScript/TypeScript fundamentals, and demonstrated success improving conversion rates.

Senior or Staff Frontend Engineer builds performant UIs for web products, owns feature development, designs scalable UI systems, and integrates APIs/AI. Requires 10+ years experience, expertise in modern JS/TS, and CS degree.

Hands-on technical leader owning frontend architecture, code quality, and UI team growth. Writes code on complex features, conducts reviews, hires, and builds AI-powered UI while coordinating cross-team efforts. Requires 10+ years frontend experience and 3+ years leadership.

Builds fast, intuitive customer-facing web interfaces for a premium fintech charge card, integrating with APIs and shipping 0-1 features. Requires 3+ years frontend experience with TypeScript, Svelte/React, and strong product taste.

Senior engineer owning shared frontend infrastructure including design systems, UI libraries, data layers, and AI-powered tools across web/mobile at Uniswap. Requires 5+ years experience with React/React Native, developer tooling, and leading large migrations.

Build polished React-based user interfaces for enterprise AI platform, collaborating with designers and backend teams. Requires 4+ years web app experience, TypeScript comfort, and passion for high-performance web tech; hybrid in SF Bay Area.

Own the technical direction of the web platform, including shared UI frameworks, component libraries, tooling, and release infrastructure. The role requires 7+ years of frontend experience with deep React and TypeScript expertise, platform-level leadership, and strong web-performance knowledge.

Founding engineer owning design and development of a real-time visual canvas for building AI agents, blending UI/UX with frontend engineering. Requires deep React/TypeScript expertise and experience with interactive developer tools.

Leads front-end modernization of financial governance platform, architects scalable React-based UI/UX systems, and governs design standards for data-dense enterprise workflows. Requires 5+ years React experience and proven enterprise design system expertise.

Build AI-powered frontend applications and design systems to enhance Ramp's GTM platform and customer acquisition. Requires strong React proficiency, 3+ years frontend experience, and production AI/LLM expertise.

Develops responsive Angular applications with complex data visualizations and state management for public sector clients. Requires 5+ years experience, expertise in TypeScript/HTML/CSS, testing with Cypress, and Agile collaboration.

Senior Frontend Engineer leads development of responsive, mobile-first SPAs, architects web applications, writes clean TypeScript/JavaScript code, and ensures cross-browser compatibility and performance.