Senior Frontend Engineer Jobs

WHOOP is hiring a Senior Fullstack Software Engineer to develop scalable AI platform features and seamless member experiences from frontend interfaces to backend APIs.

As a Senior Frontend Software Engineer on ActiveCampaign's DUX team, you will drive frontend architecture, build scalable design-system components, and improve the developer and user experience across a micro-frontend platform.

Pax8 Labs seeks a Senior Full‑Stack Engineer to design and deliver human‑AI interfaces that make autonomous systems accessible, trustworthy, and scalable.

Lead the frontend architecture and execution for WHOOP's Growth web experiences—driving conversion, performance, and experimentation across the join flow, checkout, and shop.

Be a senior frontend engineer at Ivo, crafting real-time, AI-enabled interfaces that help overworked legal teams reclaim time and reduce risk.

Auctor, an early-stage company building AI-powered tooling for professional services, is hiring a Senior Software Engineer, Product in New York to design, implement, and iterate on user-facing enterprise features.

Inclusive & Diverse

Rise from Within

Mission Driven

Diversity of Opinions

Work/Life Harmony

Feedback Forward

Take Risks

Collaboration over Competition

Medical Insurance

Dental Insurance

Vision Insurance

Paid Time-Off

Maternity Leave

Paternity Leave

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

Employee Resource Groups

Lead efforts to accelerate and stabilize Slack's frontend build systems and developer toolchain to improve productivity and developer experience across the org.

Customer-Centric

Growth & Learning

Collaboration over Competition

Inclusive & Diverse

Rapid Growth

Dental Insurance

Vision Insurance

401K Matching

Maternity Leave

Paternity Leave

Flex-Friendly

Medical Insurance

Equity

Brex is hiring a Senior Frontend Engineer to design and implement high-quality, scalable web experiences and lead cross-functional projects that impact our global finance platform.

Goodie AI is hiring a Senior Software Engineer to lead full‑stack development of its AI Lab platform, building scalable front‑end and back‑end systems and improving deployment workflows.

Experienced frontend/full-stack engineer wanted to design and ship React and React Native features for a fast-moving fintech SaaS serving construction finance teams.

Lead frontend ownership for a mission-driven, AI-first product at Multitude Insights, building realtime, accessible interfaces that support law enforcement workflows.

CyberArk is looking for a Senior Software Engineer to develop React and TypeScript frontend platform experiences for Machine Identity Management in a hybrid Santa Clara role.

Build elegant, high-performance AI-native front-end experiences at Klarity, turning complex enterprise flows into intuitive, delightful interfaces.

Senior Frontend engineer needed to modernize frontend-to-backend data access patterns and lead complex UI migrations at a high-growth enterprise SaaS company.

Kira Learning is hiring a Senior Software Engineer (Frontend) to own and deliver polished React + TypeScript features that improve student and teacher experiences at scale.

Barclays is seeking a Senior Frontend Engineer (UI/UX) to craft intuitive, responsive interfaces for a new asset servicing platform on a modern tech stack in Whippany, NJ.

Optro is looking for a Senior Software Engineer II (Platform UI) to lead architecture and build scalable end-to-end UI solutions for a high-growth SaaS platform.

Lead the design and delivery of scalable cloud-native software at GE HealthCare as a Senior Software Engineer focused on user experiences, APIs, and distributed systems.

Design and implement responsive, high-performance frontend experiences that enable trustworthy AI-driven workflows for financial teams.

Inclusive & Diverse

Collaboration over Competition

Growth & Learning

Transparent & Candid

Rise from Within

Mission Driven

Diversity of Opinions

Work/Life Harmony

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Paid Time-Off

Maternity Leave

Social Gatherings

Learning & Development

Employee Resource Groups

Lead the evolution of Reddit’s cross-platform design system and UI platform to accelerate product development, improve performance, and raise accessibility standards across the company.

Hudl is hiring a Senior Software Engineer to grow its Front-End Platform—building scalable TypeScript/React front-ends and AWS/Terraform infrastructure while mentoring teams across the product organization.

Lead the evolution of Chime’s design system by owning component architecture, cross-platform foundations, and best practices across web and mobile experiences.

Build and own high-impact web and mobile interfaces for Novig’s sports prediction marketplace as a Senior Frontend Engineer focused on React and React Native.

Tavus seeks a Senior Fullstack Engineer to lead frontend-first product development, own end-to-end features, and influence platform architecture at a high-velocity Series B startup.

CreatorIQ is hiring a Senior Full Stack Engineer to build and maintain creator-facing tools and scalable frontend/back-end systems that directly impact creators’ ability to run businesses on our platform.

Inclusive & Diverse

Collaboration over Competition

Growth & Learning

Transparent & Candid

Rise from Within

Mission Driven

Diversity of Opinions

Work/Life Harmony

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Paid Time-Off

Maternity Leave

Social Gatherings

Learning & Development

Employee Resource Groups

Lead frontend development for Reddit's high-traffic Feeds Experience, building performant, user-focused features across web and app platforms.

Lead development of high-performance web video player components to improve live and VOD playback quality, latency, and cross-browser reliability at Multi Media, LLC.

Vannevar is hiring a Senior Frontend Engineer to design and maintain the frontend platform and shared libraries that power mission-critical defense products.

Scribd is hiring a Senior Frontend Engineer for the Signup & Activation team to lead frontend work that improves conversion, performance, accessibility, and experimentation-driven growth.

Inclusive & Diverse

Customer-Centric

Mission Driven

Fast-Paced

Growth & Learning

Transparent & Candid

Diversity of Opinions

Work/Life Harmony

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Health Savings Account (HSA)

Flexible Spending Account (FSA)

Learning & Development

Fitness Stipend

401K Matching

Equity

Life insurance

Disability Insurance

WFH Reimbursements

Flex-Friendly

Paid Time-Off

Maternity Leave

Paternity Leave

Paid Holidays

Paid Volunteer Time

Sabbatical

Senior Frontend Engineer needed to design and build high-performance, accessible 3D web experiences for Zillow’s virtual home tour products using React, TypeScript, Three.js, and WebGL.

Senior Software Engineer role to architect and deliver Python and React-based systems that power large-scale manufacturing and warehouse operations within a remote-first team.

Waystation AI is hiring a Senior Software Engineer to own full-stack product work—from fuzzy customer problems to production—helping build an AI-native procurement system for CPG teams.

Lead frontend architecture and implementation at Displayr to deliver high-performance, scalable web experiences for a global data-analysis platform.

Inclusive & Diverse

Rise from Within

Mission Driven

Diversity of Opinions

Work/Life Harmony

Take Risks

Casual Dress Code

Startup Mindset

Emails over Meetings

Collaboration over Competition

Fast-Paced

Growth & Learning

Medical Insurance

Paid Time-Off

Maternity Leave

Mental Health Resources

Equity

WFH Reimbursements

Some Meals Provided

Snacks

Onsite Cafeteria

Social Gatherings

Dental Insurance

Vision Insurance

Lead frontend development for CrowdStrike's Asset Platform, building high-performance Ember (and modern JS framework) user interfaces that support global, 24/7 cybersecurity operations.

Lead frontend architecture and quality for AI-driven features, helping align shared components, service APIs, and design system usage across the organization.

Inclusive & Diverse

Diversity of Opinions

Growth & Learning

Mission Driven

Social Impact Driven

Empathetic

Dental Insurance

Flexible Spending Account (FSA)

Health Savings Account (HSA)

Vision Insurance

Performance Bonus

Family Medical Leave

Paid Holidays

Senior Fullstack Engineer to build and maintain large-scale frontend and backend content platform systems that enable creation, localization, and reliable delivery of educational content.

Propel is hiring a Senior Full Stack Engineer to build and maintain consumer-scale mobile and backend systems that improve delivery of government benefits for millions of Americans.

Saronic Technologies is hiring a Senior Full Stack Engineer to build and maintain full-stack web applications (JavaScript/TypeScript/React/Node.js) that power its autonomous maritime systems.

NextPatient is hiring a Senior Software Engineer to own and deliver full-stack features that modernize the patient experience across thousands of medical practices.

Join HavocAI as a Senior Frontend Engineer to build performant, data-rich React applications and visualization systems that support real-world autonomous operations.

Senior Frontend Engineer needed to design and build accessible, high-performance React/TypeScript interfaces for large-scale translational data science applications at the University of Chicago.

Steer frontend engineering at Ivo as a Senior/Staff Frontend Engineer, building real-time, AI-enabled UIs that return lawyers their lives.

Hypha seeks a Senior/Staff Frontend Engineer to lead frontend architecture and craft high-performance, data-dense user experiences for an AI-first asset management platform.

Red 6 is hiring a Senior Frontend Software Engineer in Santa Monica to build real-time desktop UIs and LLM-enabled copilot experiences for its ATARS augmented reality training platform.

WGU is hiring a Senior Software Engineer skilled in Angular and TypeScript to build scalable front-end systems, improve CI/CD and monorepo workflows, and mentor junior developers.