Top Senior Front End Developer Jobs

Lead technical direction and contribute to the frontend codebase, building user-facing tools and mentoring team engineers to enhance user experiences.

Build and ship a collaborative document platform: design and implement a rich, real-time multiplayer editor using TypeScript and React, partner with Product and Design, drive technical direction, ensure high-quality, well-tested frontend code, and iterate based on customer feedback.

Build and maintain intuitive frontend web applications for data upload, search, visualization, and interactive 2D/3D geospatial tools. Collaborate with scientists to design complex visualizations, modernize the frontend stack, mentor junior developers, and implement automated UI testing and deployment pipelines.

Design, develop, and modernize front-end web and offline-capable mobile applications; migrate legacy JavaScript to modern frameworks; build CI/test tooling and synchronization for offline data; estimate and deliver projects; troubleshoot and mentor peers; communicate with technical and non-technical stakeholders.

Develop scalable microservices and design APIs for the Censys Platform, leading backend service development and collaborating with cross-functional teams to deliver features.

Design, develop, test, and release complex frontend features for web and mobile interfaces. Lead incident resolution, guide code/design reviews, mentor teammates, prototype experiments, and produce documentation for technical and non-technical audiences.

Own and architect the frontend foundation for Handshake AI Enterprise: establish component system, design tokens, engineering patterns, shared libraries, and ship production-grade UIs while collaborating with AI and platform teams to ensure scalable, maintainable, high-performance enterprise deployments.

As the first dedicated frontend engineer, drive frontend architecture, build reusable design systems, ship React interfaces, and mentor engineers. Collaborate across teams to simplify workflows and define UI standards in a high-performance web application environment.

Build and architect React/TypeScript web applications powering internal engineering tools (simulation, fleet tracking). Collaborate with simulation, analytics, and ops teams to integrate systems, shape APIs, and deliver performant, reliable UIs that enable diagnostics, scenario mining, and fleet configuration.

Design and build scalable frontend features and reusable UI components using React and TypeScript. Collaborate with PMs, designers, and backend engineers on architecture, state management, API integration, performance, accessibility, and testing. Drive best practices for CI/CD, code quality, documentation, planning, and user experience.

Design, develop, and optimize responsive React web applications. Collaborate with product and backend teams to integrate APIs, write unit tests, perform code reviews, and deliver scalable, high-quality front-end solutions from concept to deployment.

Lead full‑stack engineering projects to scale document ingestion, design multi‑jurisdiction data collection, and build government‑grade security. Deliver AI‑native features across web, desktop, mobile, editors, and APIs. Ship full‑stack solutions using React/TypeScript frontend and Python/Postgres backend while ensuring scalable, extensible architectures that delight enterprise customers.

The Senior Frontend Engineer will develop mobile web products using React Native and TypeScript, collaborate with designers, write clean code, and integrate UI components with backend services.

Senior full‑stack developer responsible for building high‑performance front‑end web/cloud applications in Angular and back‑end services in Java. Work includes HTML/CSS/JavaScript UI development, REST API integration, version control, cross‑functional collaboration, full SDLC (Agile and waterfall), and operating in high‑volume/transaction environments. Expected hybrid onsite availability one to two days per week.

Architect and build a scalable frontend platform for CX operational tooling: design modular frontend architecture, secure data aggregation layers and API proxies, improve developer experience (DX), optimize builds and CI/CD, collaborate with stakeholders to streamline workflows, and mentor engineers on frontend best practices, accessibility, and code quality.

The Senior Frontend Engineer will develop and enhance the Navigator platform using Vue.js, improve user experience, maintain CI/CD workflows, and collaborate with cross-functional teams.

As a Senior Frontend Engineer, you will design and build user interfaces for Farsight AI's products, focusing on creating seamless experiences in financial services. You'll work on both long-term projects and rapid iterations based on customer feedback, ensuring high-quality code and design standards.

Design and build full-stack features for Autonomous Traffic Control, develop responsive web interfaces, and integrate backend services with real-time data for autonomous vehicles.

The Frontend Engineer will lead frontend development efforts, unify product interfaces, enhance tooling, maintain UI standards, and contribute to full-stack projects.

In this role, the Staff Frontend Engineer will own checkout and payment flows, optimize user experiences, and collaborate with teams to improve performance and conversion rates.

Lead design and development of Canvas Apps with UI/UX focus, collaborate with stakeholders, optimize Power Automate workflows, and own projects end-to-end.

Design, build, and maintain scalable React/TypeScript web applications for Keeper's Admin Console. Integrate with backend REST APIs, implement enterprise UI workflows (RBAC, policy config, audit views), ensure secure, well-tested frontend code, participate in architecture and code reviews, troubleshoot performance and usability, and maintain documentation.

Seeking a Senior Fullstack Engineer to architect and develop a customer-facing platform, bridging AI/ML systems and user features.

The role involves developing single page applications with React.js and TypeScript, focusing on front end architecture, UI performance, and mentoring junior engineers in an Agile environment.

Design, develop, and maintain cloud-native front-end applications using JavaScript and TypeScript. Address concurrency and near-real-time requirements, ensure code quality via testing and reviews, collaborate in Agile teams, lead technical initiatives, and mentor junior developers while leveraging modern cloud and container technologies.