Top Senior Front End Developer Jobs in Philadelphia, PA

The Staff Frontend Engineer will lead frontend architecture, build high-performance React applications, mentor junior engineers, and collaborate closely with product teams to enhance user experiences.

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.

Lead and architect features for the Risk Cloud platform using Front-End technologies. Collaborate with teams, implement best practices, and ensure high quality through testing and optimization.

Develop and modernize customer-facing front-end applications using React and TypeScript. Integrate with AWS services, REST/GraphQL APIs, and streaming data. Improve performance, accessibility, search, and workflow; write production-ready code; participate in testing, deployment, monitoring, and optimization while working with UX, product, and engineering teams under rapid timelines.

The Frontend Engineer will design and maintain backend systems for growth initiatives, focusing on A/B testing frameworks, microservices, and performance metrics, while collaborating cross-functionally.

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.

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

The Senior Software Engineer will focus on frontend technology, implement features, mentor engineers, and ensure quality user experiences, primarily using React.

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.

As a Staff Front End Engineer, you will lead the front end vision, drive architecture decisions, and mentor engineers while developing high-impact web applications in a collaborative environment.

The Frontend Engineer will lead the development of applications using React, focusing on user experience and collaborating with cross-functional teams to improve frontend architecture and address user needs.

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.

The Staff Frontend Engineer will lead frontend system development, architect scalable solutions, mentor engineers, and drive best practices while collaborating cross-functionally.

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

The Senior Frontend Engineer will develop user-friendly and scalable components for a data labeling platform, collaborating with teams and mentoring junior engineers.

As a Lead Frontend Engineer, you will shape the frontend architecture, lead a team of engineers, and ensure high standards of quality and speed for an AI-driven product.

As a Lead Front-End Engineer, you'll own UI architecture, mentor team members, manage technical initiatives, and drive AI-powered feature development.

The UI Frontend Developer will design and develop responsive web applications, coordinate with backend developers, and create modular components, while ensuring high-quality coding standards.

The Lead Front-End Developer will lead frontend initiatives, ensuring an optimal user experience, architecting solutions, and mentoring developers.

As a Front-End Engineer, you will build and refine user-facing components, ensuring responsiveness, performance, and user experience through collaboration with UI/UX and backend teams.

Design and develop software for medical devices, collaborate with product and UI/UX teams, and ensure project adherence to quality standards.

As a Senior Frontend Developer, you will own major features, translate mockups to Vue 3 components, and collaborate with the product team to enhance user experience, ensuring high performance and accessibility.

The Staff Front End Engineer will lead technical direction, improve app features, mentor engineers, and collaborate with cross-functional teams using React Native.

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.