Top Senior Front End Developer Jobs

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

Architect and build a high-performance, low-latency trading web platform. Integrate real-time market data and execution workflows, collaborate cross-functionally on large initiatives, and deliver scalable, performant, user-focused frontend applications with strong attention to API design, tooling, and developer experience.

Collaborate with design, PMs, and partners to create and implement high-quality ads UX. Build a cross-platform, versatile rendering UX library/package. Use data processing and monitoring to analyze system performance and drive improvements across the full ads stack.

Designs, builds, and enhances SAP Fiori applications across desktop, tablet, and mobile platforms. Owns the Fiori/UI5 development lifecycle, collaborating with functional consultants, ABAP developers, and UX teams. Develops with SAPUI5, Fiori elements, OData, HTML5, JavaScript, and CSS while applying SAP design guidelines, accessibility, performance, security, and clean-architecture principles. Deploys applications to ABAP frontend and BTP runtimes and documents solutions.

Develop and maintain scalable Angular web applications with responsive, high-performance interfaces and API integrations. Write TypeScript code and unit tests using Jasmine and Karma, troubleshoot software issues, and optimize cross-browser compatibility. Collaborate with designers using Figma to implement accessible, pixel-perfect UI components and maintain design systems. The role also involves AWS cloud services, version control, Agile methodologies, database familiarity, DoD information assurance compliance, and onsite work at the Office of Naval Research.

Develop and modernize frontend applications for a National Space Intelligence Center customer. Translate UI/UX designs into maintainable code, refine component hierarchies, implement scalable frontend architectures, enforce design systems, and collaborate with product owners, stakeholders, and engineers on requirements and engineering tradeoffs. The role uses Angular, Cesium, TypeScript, JavaScript, APIs, WebSockets, and related development and deployment technologies.

Develop and maintain complex Angular web applications, translate UI/UX designs into responsive interfaces, collaborate on feature delivery, conduct code reviews and testing, optimize performance, and provide technical leadership and mentorship to junior developers. The role requires staying current with Angular and frontend development practices while ensuring scalable, high-quality application development.

Design and implement frontend features for patient and provider web experiences at scale. Build realtime, accessible, high-performance interfaces, own application reliability and monitoring, contribute to architecture and technical roadmap, drive testing and observability best practices, collaborate cross-functionally, and participate in on-call rotations.

As a Sr. Distinguished Engineer, you will lead technical vision, mentor talent, drive engineering excellence, and oversee large-scale web platform migrations.

Develop and maintain scalable React and TypeScript web applications, reusable UI components, and automated Cypress tests. Collaborate with product, design, and backend teams on features, API integrations, architecture, and technical roadmaps. Optimize performance, troubleshoot complex issues, participate in code reviews, mentor junior developers, and promote engineering best practices. Backend Java and Spring Boot experience, cloud platforms, containers, security, and Agile experience are preferred.

The Senior Frontend Engineer will own the editing experience, improve performance, support real-time collaboration, and work with design and customers on UI enhancements.

Build and scale high-performance React web applications and React Native mobile apps for real-time logistics operations. Lead frontend architecture, technical design, end-to-end project delivery, reliability and performance improvements, incident response, and debugging. Collaborate with backend and operations teams, make architectural decisions, improve scalability, and mentor engineers.

Design, architect, implement, and maintain React and TypeScript web applications. Develop responsive HTML/CSS pages and email templates optimized for SEO and Core Web Vitals. Write unit and integration tests, solve technical challenges, collaborate with the team, and take ownership of project delivery. Preferred experience includes Redux, React Query, Jest, Cypress, and SSR/SSG frameworks such as Next.js, Astro, or Remix.

Build and maintain high-traffic ABC News and ABC-owned television station websites using TypeScript, JavaScript, React, and Node.js. Responsibilities include developing scalable features, creating technical designs, improving architecture and engineering practices, reviewing code, enhancing performance and accessibility, supporting observability, and mentoring engineers. The role owns features through the full software development lifecycle and serves as a senior technical resource.

Develop and architect large-scale Angular applications using TypeScript and RxJS. Own features through production, translate Figma or Adobe XD designs into accessible, high-performance interfaces, and build generative-AI dashboards and data visualizations. Establish modular architecture, state-management, performance, and accessibility standards; mentor engineers; and collaborate with product and cross-functional teams on technical roadmaps and architectural decisions.

Design, build, and maintain provider- and care-team-facing web interfaces for clinical and operational workflows. Own features end-to-end, drive frontend architecture, optimize client-side performance and accessibility, collaborate with product/design/data/clinical teams, instrument metrics, and participate in on-call rotations to ensure reliable production systems.

Design, build, and maintain provider-facing web interfaces for clinical workflows. Own end-to-end frontend architecture, performance, accessibility, testing, observability, and reliability. Collaborate with product, design, data, and clinical teams, contribute to technical roadmap, and participate in on-call rotations to ensure production reliability.

Build and maintain frontend products, features, and scaling tools across the Brex stack. Collaborate with engineers and customer-facing teams, design experiments, own problems from user experience through scalability and metrics, and polish features to a high standard. The role also involves leading multifaceted projects, influencing technical vision, and driving business impact.

Build and maintain frontend products, features, and scaling tools across the Brex stack. Collaborate with engineers, sales, support, product, design, and operations to understand customer needs, run experience-improving experiments, and own solutions end to end. Architect scalable client-side software, track metrics, and polish features to high engineering standards while contributing to technical vision and leading cross-functional projects.

Build and maintain frontend products, features, and scaling tools across the Brex stack. Collaborate with engineers, Sales, Support, Product, Design, and Operations to understand customer needs, develop experiments, and improve user experiences. Own solutions end to end, including user experience, data models, scalability, operability, and metrics. Drive cross-functional projects, uphold high engineering standards, and contribute to long-term technical vision.

Leads architecture and development of scalable, high-performance React front-end applications using TypeScript, JavaScript, Node.js, and AWS. Integrates interfaces with .NET APIs, establishes coding, accessibility, security, and performance standards, mentors developers, reviews code, troubleshoots complex UI issues, and supports CI/CD, deployments, vulnerability remediation, and modernization efforts.

Lead the architecture, development, testing, and delivery of scalable React and Next.js micro frontend modules for Ford eCommerce products. Collaborate with architects, product managers, designers, and backend engineers to integrate APIs and cloud services. Establish modern engineering practices, maintain high code quality and coverage, create prototypes and UI documentation, and mentor UI developers. Recommend future-ready architecture solutions and contribute to scalable MACH-based commerce platforms.

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.

Lead frontend and full‑stack projects across Marimo's open-source ecosystem. Design simple, powerful editor experiences, build performant data visualizations and editor extensions, engage with the community, triage issues, and balance community needs with product roadmap.