Top Senior Front End Developer Jobs in Tucson, AZ

The Senior Frontend/React Native Engineer will contribute to UI/UX improvements, ship key features, and refactor frontend architecture for Littlebird's applications.

You will architect, develop, and scale visualization of large AI datasets, produce maintainable code, and contribute to open source.

Seeking Senior Front-End Engineer for a 6-month contract to build high-performance UIs with Angular and Ionic, focusing on health technology and user experiences.

As a Senior Software Engineer, you will design, develop, and maintain high-quality applications using React, mentor engineers, and influence technical strategy.

Design, implement, and deliver high-quality, performant frontend interfaces. Collaborate with cross-functional teams, optimize for SEO and user experience, and mentor junior engineers.

The Senior Front End Engineer will architect scalable UI frameworks, set UI standards, mentor engineers, and ensure high-quality technical delivery for the Dragos OT Security Platform.

As a Senior Frontend Engineer, you'll build the frontend Graph Semantic Layer with React and TypeScript, developing complex data visualizations and collaborating closely with design and product leadership.

Develop and maintain user interface elements, utilize Vaadin, and train team members on front-end development while focusing on customer experience solutions.

Build and maintain TypeScript/React frontends and SDKs for the Nomina web3 platform, create user-facing dapps, improve developer documentation and DX, and collaborate with product and engineering to deliver high-quality, mobile-friendly features.

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.

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.

Design and build media-rich web experiences for Zillow's 3D Home and Interactive Floor Plan products, optimizing for performance and accessibility while collaborating with cross-functional teams.

Lead Front End Software Engineer responsible for guiding technical direction in Angular development, collaborating with backend teams, and mentoring peers in a consulting environment.

As a Frontend Engineer on the Growth Insights team, you'll drive analytics tracking and attribution models, optimize data flows, and collaborate across teams for robust data governance and marketing insights.

The Senior Front End Engineer will design, develop, and deploy web experiences, mentor junior engineers, and advocate for user-friendly solutions while engaging with cross-functional teams and ensuring high code quality.

As a Senior Frontend Engineer, you will lead frontend architecture, collaborate across teams, ensure quality, and mentor contributing engineers while integrating AI features.

The Senior Front-end Engineer will design and deliver scalable, user-friendly interfaces using React and Node.js, collaborating with cross-functional teams to enhance user experience and optimize performance.

The Senior Front-End Developer will build scalable React applications, lead UI architecture decisions, mentor team members, and optimize front-end performance using AI tools.

As a Senior ASIC Front-End Design Engineer, you will oversee digital SoC design, collaborating to create automotive communication semiconductors, ensuring target performance and area goals are met.

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

Owner of the asset discovery experience across tokens, perpetuals, and prediction markets. Design, build, and scale features for web, mobile, and browser extension platforms. Lead initiatives to add blockchain support and new products, interface with users and developers for feedback, and help grow and hire a high-performing Discovery team.

Lead development of interactive React front-ends with Chakra UI and Mapbox, build data visualizations (Plotly/ApexCharts), optimize performance for large and real-time datasets, enforce front-end best practices, mentor engineers, and collaborate with product, design, and backend teams to deliver accessible, responsive interfaces.

The Senior Frontend Engineer will lead product development for a hotel marketplace, focusing on creating efficient tools for hotel partners and enhancing guest experiences. Responsibilities include ownership of product quality, roadmap execution, and supporting business-critical outages.

Lead frontend delivery for ticketing across React web and React Native mobile: design and ship resilient purchase, redemption, and event-day features, improve observability, testing, reliability, and mentor engineers while collaborating with product, design, and backend teams.

Lead frontend development and design-system creation, bridge design and code, maintain Storybook components, introduce AI-powered workflows, mentor teams, and deliver scalable B2B SaaS UI solutions.