Top Senior Front End Developer Jobs

Build and ship end-to-end frontend features for Muon Space's Mission Command platform in a TypeScript monorepo. Collaborate with backend and product teams, participate in design and code review, maintain CI/CD and static analysis practices, and support post-launch observability, reliability, and performance for mission-critical web applications.

Lead evolution of frontend foundations: improve React/TypeScript/Vite infrastructure, developer automation, testing and CI/CD pipelines, observability, and platform tooling to accelerate product teams and developer experience.

Lead development of Zoom chat and meeting frontend modules using React/Vue and Zoom SDK, implement hybrid WebView bridges, handle streaming via WebSocket/Zoom realtime APIs, ensure WCAG 2.1 accessibility, build CI/CD pipelines, optimize performance under concurrency, and coordinate a distributed multilingual engineering team.

Develop user interfaces for web applications, collaborate with teams, mentor engineers, and ensure code quality and performance in a fast-paced environment.

The Sr/Staff Frontend Engineer will develop new web applications, enhance UI experiences, architect solutions, and collaborate with various stakeholders to ensure a scalable and secure platform.

As a Senior Frontend Engineer, you'll develop and optimize a novel open-source CAD modeling app, enhancing performance and user experience, collaborating with backend teams, and implementing robust APIs and state management solutions.

Develop and maintain large-scale, component-based web applications (Vue/React/Angular). Collaborate with design and stakeholders to implement responsive, event-driven features, write testable code (E2E/unit), debug, and support in-person at Arlington, VA. Work includes interfacing with REST APIs and web sockets and delivering high-quality, production-ready UI components.

Build and maintain high-traffic, responsive SPA web applications using Angular/Vue and TypeScript with ASP.NET Core MVC backend. Ensure performance, accessibility (WCAG), code quality, and mentor junior engineers while collaborating with product and business stakeholders.

Build and iterate on high-quality React features in an Electron app to scale the platform to 100M+ users. Work closely with product and community, focus on performance, profiling, A/B testing, and metrics-driven feature shipping. On-site in NYC, collaborate with cross-functional teams to deliver end-to-end features.

Lead frontend modernization by migrating legacy web apps into a microfrontend ecosystem, ship production-critical React/Next.js code, define reusable platform patterns, and collaborate cross-functionally to ensure performance, developer experience, and long-term maintainability.

Develop and design user-facing web applications and dashboards for Global Markets Risk Reporting. Build UI components and modules in AngularJS/React, integrate with RESTful APIs and real-time messaging (Kafka/AMPS), set up web server environments, subscribe to pub/sub topics for live updates, and collaborate across the front-to-back development team to deliver production-quality software.

Develop and maintain front-end applications using HTML5, CSS, and JavaScript. Implement client-side frameworks (React/Angular/Ember/Backbone), consume RESTful APIs, work with XML/JSON, use Java build tools (Ant/Maven), collaborate on UX/prototyping, ensure cross-browser compatibility, multimedia and database integration, and follow SEO and deployment best practices. Must communicate effectively in a fast-paced environment.

Design and implement responsive front-end interfaces using HTML, CSS, and JavaScript. Build UIs with JS libraries (jQuery, Backbone), integrate with web services, apply automation and test-driven development, and deliver excellent UX with strong communication.

Lead front-end development using AngularJS for enterprise-grade, responsive web applications. Define technical design and guidelines, write code and unit tests, perform code reviews, troubleshoot front-end performance, mentor team members, and work as a hands-on technical lead/architect in an Agile environment.

Provide production support, maintenance, and some new UI development for an agent portal. Design, analyze, troubleshoot, test, and document MVC/.NET front-end applications using JavaScript frameworks and collaborate with technical and business teams.

Develop and maintain insurance applications as a senior .NET programmer. Build UIs using Knockout/Angular/Bootstrap, implement backend features in C#/ASP.NET with MVC and Entity Framework, collaborate with teams, execute projects from concept to delivery, and troubleshoot code.

Senior .NET/front-end developer to design, develop, and maintain insurance applications with a strong front-end focus. Collaborate with internal clients and teams, execute projects from concept to delivery, implement UI components using AngularJS, Bootstrap, Kendo UI, jQuery, and CSS3, and assist in troubleshooting and code maintenance.

Senior .NET developer responsible for designing, developing and maintaining insurance applications. Collaborate with clients and team members, execute projects from concept through delivery, implement UI using Angular/Knockout/Bootstrap and backend using C#/ASP.NET MVC, and assist in troubleshooting and testing.

Senior Java developer role building web-based, N-tier applications using Oracle integration stack (WebLogic, BPM, SOA, ADF, Coherence). Requires strong SQL and database design skills, JDBC/JPA/ORM experience, Maven, unit testing, Subversion, Linux, and Agile/TDD practices. Excellent communication, cross-functional teamwork, and domain knowledge expected. 12-month contract starting ASAP.

Senior front-end developer to build a responsive Global UI codebase from designer assets, support application teams, adopt modern UI technologies, optimize performance, and ensure 508 accessibility using HTML, CSS, JavaScript, preprocessors, and JS frameworks.

Short-term (2 month) frontend developer contract in Cincinnati. Build responsive web pages and UI using HTML and CSS. Must have strong frontend development experience and familiarity with a CMS tool.

Develop, maintain, and document HTML/CSS/JavaScript web application templates and components. Serve as HTML/CSS/JS subject-matter expert, train developers, collaborate with designers, review work for design conformance, and assist with complex/custom front-end module development.

Design and implement high-performance front-end web and mobile web applications using HTML5, CSS3, and JavaScript. Build SPAs, apply MVC patterns, use version control, and optimize for performance.

Design and build high-performance, mobile-optimized front-end web and mobile applications. Enhance a lightweight JavaScript framework, develop interactive widgets and SPA interfaces, ensure cross-device/browser compatibility, and assist with front-end video platform work.

Design and build high-performance, mobile-optimized front-end web and hybrid mobile interfaces. Implement SPAs, interactive widgets, and cross-browser/mobile compatible UIs; optimize for low-bandwidth/low-latency. Collaborate with UI/UX designers and backend teams; maintain/version code and contribute to a lightweight JavaScript framework and video platform front-end.