Top Senior Front End Developer Jobs in San Diego, CA

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.

Lead frontend architecture and strategy across web and mobile, build high-performance React and React Native applications, develop shared component libraries and design systems, optimize performance and accessibility, mentor engineers, collaborate with product/design/backend teams, and resolve complex cross-stack issues.

Design and implement modern frontend features and UI for an AI-native ERP using Next.js, React, and TailwindCSS. Build structured chat interfaces, real-time dashboards and tables, integrate GraphQL and client-side state, support streaming updates and collaborative UX, and partner with design and product to optimize performance, accessibility, and developer velocity.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

Own front-end architecture and build React + TypeScript applications for Device OS. Focus on performance, accessibility, real-time data, REST integration, design systems, testing, and cross-functional collaboration. Mentor engineers, conduct reviews, and deliver scalable, responsive UIs for field-deployed devices.

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.

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

Contract frontend engineer to build and maintain a Sanity-backed Next.js order page platform. Responsibilities include component development, Sanity Studio schema work, end-to-end test ownership (Playwright or similar), routing and architecture improvements, performance optimization, and supporting A/B testing and monitoring. Work closely with marketing, product, and engineering on a high-traffic, revenue-critical purchase flow and participate in on-call and CI/CD processes.

Lead and own the frontend for a perpetuals exchange using TypeScript and React. Design order entry, positions, pricing displays, and charts, make trader-focused UX decisions, and operate autonomously on a small, fast-moving team.

The role involves designing and building internal web applications for Nebius, focusing on automating data center operations and developing user interfaces for infrastructure management.

Design, develop, and enhance custom SAP Fiori/UI5 applications; configure Fiori Launchpad; integrate OData services; perform UI debugging, performance optimization, code reviews, unit testing, and documentation while collaborating with backend and functional teams.

Design, build, and deliver front-end features with strong UX focus. Own technical design, coding, testing, deployment, and monitoring in a continuous delivery, microservices environment. Collaborate with Product, implement automated QA practices, and contribute to production deployments while practicing robust testing methodologies.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Lead frontend engineering strategy, design and deliver accessible, performant government-facing web applications. Define frontend architecture, tooling, CI/CD, design systems, testing and accessibility practices; mentor engineers and collaborate with product to balance UX and implementation.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

Design and develop user-friendly security tools, focusing on frontend experiences that simplify complex data and improve threat detection workflows.

Design, build, and maintain scalable frontend applications using Vue 3 and TypeScript. Own feature delivery from design through production, build reusable components and architecture, improve performance and accessibility, collaborate with backend teams on APIs, write tests, mentor engineers, and help shape frontend tooling, CI/CD, observability, and security practices.

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 Front End Engineer will lead teams in front-end development, establish coding standards, consult on architecture, and ensure high-quality web applications.

Build high-performance, real-time Angular frontends for AI-driven agent workflows. Implement SSE/WebSocket streaming, advanced state management (Signals/NgRx/Akita), interactive visualizations (Canvas/SVG), HITL components, and performance optimizations. Collaborate with backend and AI engineers on JSON schemas and API contracts. Ensure quality via unit and E2E tests (Cypress).

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.

The Staff Frontend Engineer will develop shared frontend libraries, enhance performance, and manage a design system to improve user experiences.

Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.

Design, build, and optimize high-performance TypeScript and React single-page applications, mentor team members, and advocate modern frontend practices while collaborating with cross-functional teams.

Drive front-end development for customer-facing web and mobile experiences. Lead feature delivery from concept to production using React, Next.js, TypeScript, Svelte, and Tailwind. Troubleshoot integrations, write unit and integration tests, produce technical documentation, collaborate with product/design/data, and use AI tooling (preferably Claude) to accelerate design and implementation.