Top Senior Front End Developer Jobs

Build and maintain distributed, high-volume eCommerce systems using mobile-first responsive design. Develop across the full stack with .NET, ASP.NET, C#, MVC, JavaScript, HTML5, CSS3, and SQL Server. Integrate user interfaces with databases, apply object-oriented design patterns, collaborate with outsourced partners, and troubleshoot problems in a fast-paced environment. The role requires strong communication, attention to detail, process orientation, and quick decision-making.

Develop RESTful front-end applications using HTML, CSS, JavaScript, JSON, jQuery, and front-end frameworks. The role requires building functional applications rather than static web pages and may involve UI/UX work. Backbone experience is a bonus.

Develop and maintain responsive web applications using React.js, Next.js, and Tailwind CSS. Build reusable front-end components, optimize performance and scalability, integrate RESTful APIs and web services, and collaborate with design and backend teams. Apply continuous testing with Storybook, Cypress, and Jest while supporting mobile experiences, cloud technologies, and emerging web development practices.

Build and refine front-end experiences for web and mobile: onboarding, checkout, gallery features, design system and enterprise dashboard. Collaborate closely with designers and PMs, ship fast, maintain aesthetic quality, and iterate with user feedback using React, Next.js and TypeScript.

Hands-on Senior Front-End Developer building scalable React + TypeScript applications. Responsibilities include feature development, reusable accessible component libraries, complex forms, API integration, performance optimization, frontend architecture, observability, testing, and improving developer experience across the TanStack ecosystem.

Design, build, and optimize scalable front-end features for global ticketing platforms. Provide technical leadership, write RFCs, mentor developers, perform code reviews, ensure performance and security, support releases and incidents, and collaborate cross-functionally to deliver high-performance B2B and customer-facing applications.

Design, build, and optimize front-end features for global ticketing platforms. Provide technical guidance, write RFCs, support releases and incidents, mentor developers, perform code reviews, and integrate third-party systems while focusing on performance and scalability.

Build responsive enterprise web applications for digital banking using React, TypeScript, JavaScript, and GraphQL. Develop reusable UI components, integrate Apollo Client, implement state management, optimize accessibility and performance, troubleshoot production issues, and collaborate with backend engineers, product owners, designers, and QA in an Agile environment.

The Front End Developer will create responsive designs, work with web standards, and collaborate with teams using technologies like HTML, CSS, JavaScript, and .NET.

The Software Systems Engineer will design, develop, and optimize web applications using Java, UI frameworks, and performance tuning techniques in an Agile environment.

As a Senior Frontend Engineer at Cinch, you'll lead the modernization and performance optimization of React-based user interfaces, collaborate with cross-functional teams, and architect scalable UI systems with a focus on AI-driven experiences.

The role involves leading front end development using Java and AngularJS, discussing solutions with clients, and ensuring high usability standards in UI development across projects.

Lead frontend design and implementation for patient and physician products, shape frontend architecture (design systems, state, testing, performance), integrate AI/LLM features with backend/ML teams, and deliver polished, accessible, high-performance interfaces in a hybrid NYC/Boston environment.

The Sr. Front-End Full-Stack Developer will design, implement and maintain features for a commercial software platform, collaborating closely with teams and ensuring high quality through testing and operations.

Own and build the JTX frontend across web and mobile: real-time order books, charts, order entry, positions, wallet/signing flows. Optimize for low-latency streaming data, performance, security, and cross-platform consistency while making long-term architectural decisions and shipping rapidly.

Design and build high-performance, responsive frontend web and desktop applications (React/TypeScript/Electron). Drive frontend architecture and implementation decisions, integrate real-time bidirectional data (WebSockets), optimize for speed/security/scale, collaborate with UI/UX and backend teams, and mentor engineers to improve frontend engineering practices.

The Front-End Engineer develops large-scale web applications using JavaScript and Python Flask, focusing on performance, code quality, and collaboration within a team.

As a Senior Frontend Engineer, you'll design and develop scalable React and TypeScript applications, integrate AI tools, mentor junior engineers, and enhance user experiences across multiple brands.

As a Senior Frontend Engineer, you will design, develop, and deploy web applications, write scalable code, and collaborate with teams to enhance features.

Build and own LangChain’s React component library and design system. Develop accessible, reusable UI components; translate design tokens and interaction patterns into code; create tooling for theming, versioning, testing, visual regression, and component discovery; and optimize build performance, bundling, dependency management, and package versioning. Collaborate closely with designers, product engineers, and platform teams to maintain a consistent, high-quality frontend foundation.

Design, develop, test, deploy, maintain, and enhance responsive web applications using HTML, CSS, JavaScript and modern frameworks. Integrate front-end components with REST APIs, ensure Section 508 accessibility, troubleshoot defects, collaborate with engineers and designers, produce technical documentation, and work within Agile/Sprint processes.

Founding front-end engineer to design and build Flick's editor UI (canvas, timeline, node graph, playback). Lead architecture, prototype creative workflows, optimize complex UX interactions, establish code quality and performance practices, collaborate with design/product/AI backend, and drive key technical and product decisions.

Senior Frontend Designer/Developer responsible for building responsive web UIs using ReactJS, HTML5, CSS3 and ES6. Work with cross-functional teams, leverage Webpack and Adobe Creative Suite, follow Agile practices, and maintain high code standards including unit testing, documentation, and peer review.

Develop and maintain cloud-native, data-rich front-end web applications using TypeScript/JavaScript and modern frameworks. Work in an agile team to implement UI features, integrate with REST/websocket backends, write automated tests, deploy via DevSecOps pipelines, troubleshoot bugs, and support user adoption in a secure SCIF environment.

Lead design-focused frontend development for polished mobile apps. Ship end-to-end features, build performant gesture-driven animations, collaborate with designers for pixel-perfect UI, maintain a mature codebase, and establish automated testing and quality practices.