Top Senior Front End Developer Jobs in Phoenix, AZ

Design and build user-centered, accessible React/TypeScript front-end applications focused on AI-driven conversational experiences. Lead UX and frontend architecture, create wireframes/prototypes, establish design systems, integrate with REST APIs, implement automated tests, and contribute to CI/CD and deployments across cloud and on-prem environments while collaborating with cross-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.

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.

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

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.

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.

Own and evolve Roo's frontend platform and design system to improve developer experience and consistency across web and mobile. Lead framework upgrades, React Native modernization, migrations to v2 components, tooling, AI-assisted workflows, and integrations so engineers, designers, and AI agents can ship faster with high-quality, consistent UI patterns.

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 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.

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.

Design, build, and optimize responsive, high-performance front-end interfaces for a Web3 DEX using modern JavaScript frameworks and TypeScript. Collaborate with designers, product, and back-end teams to integrate blockchain APIs and smart contracts, mentor junior developers, troubleshoot issues, and contribute to mobile-first/PWA development while ensuring scalability and maintainability.

Build and ship production frontend features using modern web technologies (Vue.js/TypeScript). Collaborate with product in a cross-functional squad to iterate UX, deliver secure, stable code, and create reusable, testable components. Operate in an AI-first workflow using agentic tools, participate in Git-based development, and apply basic AWS services to solve business problems.

Lead front-end development with Angular (v10+), building reusable components and integrating Angular apps with AEM (headless, content fragments, Sling Models). Collaborate with designers and back-end teams, ensure performance, accessibility, and SEO, participate in design discussions and code reviews, and maintain testing and CI/CD practices.

Senior front-end developer role requiring extensive UI/frontend development experience building responsive, cross-browser web apps. Work with JavaScript/TypeScript, HTML5/CSS3/SCSS, RESTful APIs, AG Grid, GraphQL, and integrate front-end components with backend services. Use front-end build tools and Git, apply UI/UX best practices, unit testing, and design patterns to deliver highly interactive, scalable, resilient, low-latency applications. React exposure preferred.

Lead QA for API testing: design and execute RESTful API test cases (payment initiation/status), develop and maintain Pytest automation in Python, use Postman and Git, integrate tests into CI/CD, document results, identify and track defects, and collaborate with development and product teams to resolve issues.

Lead front-end architecture and build high-performance React/TypeScript web applications, integrating with back-end APIs, ensuring type safety, testing, CI/CD, scalability, and UX for AI-driven orchestration workflows.

Develop and maintain web application user interfaces using Vaadin and front-end technologies. Apply UI fundamentals (including Fitts' law), refactor enterprise applications, collaborate with clients, and mentor/train other front-end developers.

Lead frontend platform architecture across web and mobile: design and evolve design systems, component libraries, build tooling, accessibility, internationalization, and developer experience. Partner with backend teams on GraphQL/Python, maintain security and compliance, mentor engineers, drive cross-team initiatives, and deliver scalable, high-quality frontend foundations used by multiple product teams.

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

As a Senior Frontend Engineer, you'll build and maintain a fraud prevention platform UI using ReactJS, collaborating with backend teams and ensuring code quality through tests and CI/CD processes.