Top Senior Front End Developer Jobs

Build and lead customer-facing eCommerce booking features using React, Next.js, and TypeScript. Own checkout, payments, scheduling, and partner booking flows; improve conversion, accessibility, performance, observability, and reliability. Integrate commerce and third-party services, develop automated tests, support frontend architecture, instrument experiments and analytics, and monitor production outcomes. Collaborate across Product, Design, Marketing, and Backend teams while mentoring junior engineers and contributing to shared components and API contracts.

Build and operate customer-facing subscription applications with a frontend focus using React, JavaScript, and TypeScript. Contribute to Java and Node.js backend services, AWS infrastructure, APIs, CI/CD, observability, and production operations. Own technical solutions from architecture through deployment, support subscription experiences such as checkout and paywalls, improve performance and accessibility, participate in on-call rotations, mentor engineers, and use AI-assisted tools across development and operations.

Build and ship customer-facing web features using React, Next.js, and TypeScript. Own frontend quality across performance, accessibility, responsiveness, component consistency, and polished user interactions. Partner closely with design and product, contribute to the marketing site, use AI coding tools to accelerate delivery, and help establish frontend standards and practices as the team grows.

Own the frontend for a touch-only pharmacy automation machine, from design prototype through production React application. Build operator workflows, interruption and alert models, typed server-owned state, and interfaces driven by WebSocket data. Establish standards for TypeScript, design tokens, testing, accessibility, and code review. Partner closely with product design and on-machine software engineers, then extend the standard to cloud operations and future product screens.

Design and implement high-performance, responsive front-end applications for the Bruin portal using React/Next.js and TypeScript. Build and maintain a cross-application design system and component library (Storybook), integrate with APIs and microservices, ensure accessibility and performance, collaborate with cross-functional teams, mentor engineers, and contribute to prototyping and MVP development with AI-augmented engineering tools.

Develop and enhance primarily front-end financial and benefits products using React, JavaScript, TypeScript, and Node.js. Build scalable web applications, APIs, integrations, and infrastructure; contribute to product requirements; write automated tests; troubleshoot production issues; and support secure, high-availability systems. Collaborate cross-functionally in an agile environment while working with databases and cloud technologies.

Develop responsive frontend applications for defense and national security missions using React and TypeScript. Build high-performance 2D and 3D geospatial visualizations, real-time data interfaces, and secure service integrations. Optimize applications for large datasets and constrained hardware, write automated tests, collaborate across disciplines, mentor engineers, and guide frontend architecture and technical direction.

Lead end-to-end development of modern frontend initiatives using React and Electron. Design scalable architecture, improve performance and test coverage, resolve production issues, influence technical decisions, and collaborate with Product, Design, and Backend teams. The role includes mentoring engineers, maintaining code quality, supporting observability and incident response, and building secure, high-quality customer-facing payment and form workflows.

Build, maintain, test, and deploy production frontend features for a cloud management web console using React and TypeScript. Develop complex forms, dashboards, and API-backed workflows; write unit and integration tests; contribute to shared components and large codebases; troubleshoot frontend and REST API issues; participate in code reviews, CI/CD, and technical discussions; and own features through production verification.

Lead front-end architecture and cross-team technical initiatives for the NodeZero platform. Build scalable React and TypeScript systems, reusable components, developer tooling, and shared frameworks while improving performance, reliability, accessibility, observability, and CI/CD workflows. Mentor engineers, establish engineering standards, guide technical strategy, reduce technical debt, and collaborate with Product, Design, Platform, Security, and engineering teams.

Build and optimize high-performance Vue 3 and SSR web applications for a high-traffic real estate marketplace. Responsibilities include improving Core Web Vitals, hydration, JavaScript runtime performance, caching, bundle optimization, SEO, and Node.js SSR throughput. The role also involves architectural decisions, testing, code reviews, mentoring, AI-assisted development, and collaboration with product, design, backend, and SEO teams.

Develop and maintain secure, responsive React interfaces for enterprise, data-intensive web applications. Build dashboards, workflows, forms, data tables, search, reporting, visualizations, and AI-assisted content review interfaces. Integrate REST APIs and relational databases, implement authentication and authorization, write automated tests, troubleshoot performance issues, and support deployments. Collaborate with architects, backend and AI/ML engineers, QA, product owners, and stakeholders in an Agile/Scrum environment.

Build, deploy, and own scalable consumer applications and services for a digital lending platform, with a focus on React frontend development. Responsibilities include designing features, automated testing, full software development lifecycle participation, collaboration with cross-functional teams, system scalability and reliability, technical debt reduction, mentoring frontend engineers, and using AI-driven coding agents and agentic workflows.

Set the technical direction for data visualization, translate strategy into shipped features, and build high-quality frontend visualization components and supporting data pipelines. Partner with product and engineering teams, improve visualization performance, mentor engineers, and iterate rapidly based on customer feedback. The role requires strong TypeScript or JavaScript skills, deep data visualization experience, familiarity with analytics tools, and proficiency with AI coding workflows.

Own and develop customer-facing kiosk, mobile, web, and bay guidance applications integrated with robotic parking hardware. Responsibilities include translating requirements into production interfaces, leading new user-facing systems, writing tested frontend code, collaborating across software and robotics teams, and deploying and supporting applications at test facilities and customer sites. The role also involves troubleshooting real hardware, occasional deployment travel, and contributing across backend, simulation, testing, and system design.

Senior Front End Software Engineer responsible for architecting, building, and maintaining high-performance applications across frontend, backend, cloud, and event-driven systems. The role leads complex technical initiatives, integrates AI and data pipelines, ensures software quality through testing and reviews, owns applications throughout their lifecycle, documents architecture, collaborates cross-functionally, and mentors engineers. Primary technologies include TypeScript, JavaScript, React, Node.js, AWS, and modern CI/CD and containerization practices.

Own the frontend of Radiant’s telemetry and fleet management platform for portable nuclear reactors. Build reliable, performant React and TypeScript interfaces for data analysis, device configuration, telemetry monitoring, and mission-critical operations. Collaborate across the Mission Software team and company stakeholders while contributing to complex UI systems, debugging, code reviews, and hardware-connected applications. This is a fully onsite role in El Segundo with occasional extended hours and weekend work as needed.

Lead multiple software development teams while designing, developing, testing, analyzing, and documenting front-end software systems. Ensure software quality control and performance using AngularJS, Node.js, JavaScript build tools, Java or Python, MongoDB, and Elasticsearch. The role requires an active TS/SCI clearance with Polygraph and extensive software engineering experience.

Leads frontend software development across strategic product domains, designing and building dashboards, notifications, reporting interfaces, and intelligent automation. Independently drives complex technical projects, integrates AI models and data pipelines, improves performance, writes automated tests, conducts code reviews, documents architectures, owns applications throughout their lifecycle, and mentors engineers. Collaborates with cross-functional stakeholders to deliver scalable tools for real estate agents.

Owns end-to-end feature development for React applications, improves automated testing and CI/CD quality gates, leads code reviews, administers GitHub repositories, strengthens security and dependency management, builds reusable UI patterns, and mentors distributed engineering teams. The role also involves client-facing technical leadership, translating business needs into technical plans, and collaborating across projects and technologies.

Lead frontend architecture and development for a consumer-facing fintech web product. Build responsive transaction and account screens, manage client-side state and live data updates, shape APIs and transaction flows, and partner with founders on product and engineering priorities. The role suits an early engineer who can launch polished web experiences, prioritize performance and stability, and work effectively in a lean, fast-moving environment.

Own the design and delivery of user-facing web features using React and TypeScript. Architect scalable frontend systems, reusable components, state management, API integrations, and performance improvements. Build real-time, streaming, dashboard, and conversational interfaces while partnering with product and backend teams. Use AI coding tools to prototype and ship features rapidly, improve engineering workflows, and contribute strong design judgment. The role is onsite in San Francisco and requires close customer and sales collaboration.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

Build and maintain React and TypeScript web applications for EEG analytics, clinical study management, and at-home patient diagnostics. Own user experience, performance, reliability, and observability while designing data-rich workflows and interactive visualizations. Collaborate asynchronously with product designers and cross-functional teams, contribute to roadmap direction, and develop scalable GraphQL consumers. The role involves supporting clinical operations, physician workflows, and diagnostic reporting.

Lead frontend architecture and delivery for React-based clinical applications. Mentor engineers, establish component libraries and coding standards, integrate GraphQL and REST APIs, support Node.js tooling and server-side rendering, lead migration to a unified architecture, and drive testing, performance, accessibility, deployment readiness, and cross-functional technical alignment.