Frontend Performance Jobs

WebCheckout is hiring a Front-End Design Engineer to modernize web interfaces, build reusable component libraries, and leverage AI tools to accelerate high-quality UI delivery across products.

Noise seeks a Senior Software Engineer (Frontend) to collaborate with product design and ship high-performance, highly polished React interfaces from prototype to production in our SoHo office.

Padlet, a venture-backed education product used globally, is looking for Fullstack Engineers to craft high-quality, performant web and mobile experiences that scale to millions of users.

Lead and grow a distributed frontend engineering organization, driving React/Next.js technical strategy, delivery, and quality while mentoring engineers and partnering across functions.

Blockworks seeks a Senior Frontend Engineer to build high-performance, polished React/Next.js interfaces for their crypto research and data platforms in a remote-first environment.

Remote Front End Engineer needed to build production-grade React web applications and improve UI performance, accessibility, and developer workflows.

Join Justworks' Frontend Engineering team to design and build internal web apps using JavaScript/TypeScript and modern tooling to improve operational workflows and scale internal systems.

Senior JavaScript Developer needed to architect and build high-performance Vue 3 applications for a leading B2B HVAC and industrial distributor operating on CST hours.

Lead the frontend engineering of a mission-driven aviation AI startup, building high-performance React/TypeScript web applications that visualize live and historical flight data.

WitnessAI is seeking a Sr. JavaScript Engineer to develop browser-based data extraction tools, extensions, and high-performance front-end systems for its AI-driven traffic engineering platform.

Front End Software Engineer to build performant, user-focused React interfaces for Anduril's cyber command-and-control applications used in austere and mission-critical environments.

Lead development of high-performance React UIs at a fast-moving startup, shipping polished, accessible front-end experiences from concept to production.

Thatch seeks a Design Engineer to craft pixel‑perfect, accessible UI components and evolve the frontend design system for their distributed healthcare platform.

First Resonance is hiring a Staff Frontend Engineer to architect and lead the React-based frontend for Ion Factory OS, driving scalability, performance, and engineering best practices across the product.

Lead frontend architecture and implementation for an AI-driven schema platform that rethinks how physical‑goods teams manage data and workflows.

KAYAK seeks a Frontend Software Engineer to design and deliver accessible, high-performance React UIs for the Stays product while collaborating with designers, PMs, and global teams.

Athlete to Athlete seeks a Mid/Senior Front-End Engineer to own front-end development across the product and public-facing sites, delivering performance-minded, accessible experiences in a hybrid Santa Monica role.

Empathetic

Collaboration over Competition

Growth & Learning

Passion for Exploration

Fast-Paced

Startup Mindset

Diversity of Opinions

Rise from Within

Lead a team building testing, observability, and performance tooling for Figma’s client-side engine, balancing hands-on technical work with people leadership and cross-functional strategy.

Lead frontend efforts at a fast-growing trading social protocol, building performant React/React Native TypeScript apps that serve high-frequency social experiences.

Senior Frontend Engineer to architect and scale a production React + Redux frontend while collaborating closely with the CTO in a 100% remote SaaS startup.

Livefront is hiring a front-end Software Engineer to craft high-quality, accessible web applications using TypeScript and React for enterprise and startup clients.

Rillet is hiring a Senior Frontend Engineer to drive frontend architecture and build high-performance, user-focused interfaces for its AI-native ERP used by fast-growing finance teams.

Help build and lead the frontend experience at a rapidly scaling vertical AI fintech startup powering construction and real-estate workflows.

Parkade is hiring a Senior Frontend Engineer to lead React + TypeScript development, modernize the internal Admin App, and shape front-end architecture for products used by property managers and residents.

Perplexity is hiring a frontend-focused engineer to craft scalable, highly interactive React/TypeScript experiences that define the future of AI-powered search and interaction.

Ketch is hiring a Senior Frontend Engineer to own and evolve client-side JavaScript SDKs and tags that power privacy, consent, and data governance at scale.

A California-based engineering team is seeking a Senior Front End Engineer to architect and implement responsive, accessible web interfaces using modern JavaScript frameworks while mentoring peers.

Software Engineer I to develop ReactJS and Node.js applications, collaborate with UX/UI and backend teams, and support feature development, testing, and demos for NCR Voyix in Atlanta.

Lead the frontend at Wordware (building Sauna), shipping high-performance, polished TypeScript/React interfaces from our San Francisco office while shaping product and UX decisions.

Doctronic seeks a Senior Frontend Engineer to own and ship high-performance, accessible frontend experiences across web and mobile for a rapidly scaling AI healthcare platform.

Lead development of high-performance React frontends for a hospitality marketplace at the company's NYC HQ, driving product quality and partner-facing features.

Lead and grow Harvey's Frontend Platform team to design, build, and operate a shared component library and tooling that powers consistent, performant front-end experiences across the product.

Phantom seeks a Senior Frontend Engineer (React/TypeScript) to own polished, high-performance wallet experiences and collaborate cross-functionally to ship trustworthy, world-class products.

Lead the rendering architecture for a fast, design-first startup in San Francisco, building WebGL/WebGPU systems and asset pipelines to keep complex collaborative boards smooth and responsive.

Build and iterate on high-impact, experiment-driven frontend features for monetisation using React and TypeScript while collaborating closely with Product and Design across a global remote team.

Help shape AI-native document generation workflows at EvenUp by building high-quality, production-grade frontend systems that improve outcomes for personal injury victims and the attorneys who represent them.

Lead Aurora’s PEO team to define technical direction, build production-grade performance tooling, and drive cross-functional optimization of onboard software and hardware utilization.

Help shape developer-facing products at Relace by building elegant, high-performance frontend experiences that scale and ship quickly.

ServiceNow seeks a Software Engineer to build high-performance Java backends and modern React frontends that power AI-enhanced cloud experiences for enterprise customers.

Krazy Coupon Lady is hiring a Full-Stack Developer to help build and optimize responsive, accessible web features for a fast-growing, remote-first shopping publisher.

RealSelf is hiring a Frontend Software Engineer to design and ship high-quality, accessible web experiences using React, Next.js, and TypeScript for millions of users.

Lead design and delivery of high-performance, scalable time-series and storage-engine features at ServiceNow, working across backend, frontend, testing, and reliability to improve MetricBase for real-time analytics and monitoring.

KCL is seeking a Front-End Web Developer to craft responsive, high-performing web experiences using HTML, CSS, JavaScript, React, and AstroJS for a fast-growing, fully remote publisher.

A Grafana-focused engineering team seeks a Senior Frontend Engineer to lead frontend work on data transformation and visualization in a remote-first, EST-aligned environment.

Lead the Android and React Native front-end at Slash, crafting high-quality mobile interfaces and systems for a rapidly scaling fintech product.

Sobek AI is hiring a Senior Frontend Engineer to design and ship secure, data-dense React/TypeScript UIs and design systems for enterprise life-sciences and emergency-response applications.

Apiphany seeks a Senior/Staff Frontend Engineer to lead the frontend architecture and build performant, data-rich web experiences for engineering and manufacturing customers.

Lead architecture and end-to-end delivery of scalable React + TypeScript frontends and C# microservice integrations to improve K‑12 district user experiences.

Helius is hiring a senior UI Engineer to own and ship high-performance, data-rich front-end experiences for a new class of on-chain financial products.

Lead frontend architecture and craft high-quality, scalable UI systems for Assured’s B2B claims platform as a Staff Frontend Engineer.