Top 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.

Lead architecture and implementation of a new frontend platform, define org-wide frontend best practices, mentor engineers, collaborate with product/design/backend, operationalize tools and CI/CD, drive cross-team initiatives, and ensure high-performance, maintainable, and accessible frontend systems.

Build sophisticated user interfaces for AI and blockchain interactions, including monitoring tools and decentralized application interfaces, while collaborating across teams for seamless user experience.

Develop modern web applications focusing on UI components using React while ensuring performance, accessibility, and cross-browser compatibility.

As a Staff Frontend Engineer, you'll drive frontend architecture decisions, implement UI systems, and collaborate closely with design and product teams to enhance user experiences using AI tooling.

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.

As a Front End Engineer at Komodo Health, you will develop applications to leverage healthcare data, contribute to AI integration, and support the mission to reduce global disease burden.

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

The Salesforce Front-End Developer will collaborate with UI/UX designers to design and deploy Salesforce applications, develop Lightning Web Components, implement best practices, and manage end-to-end technical solutions.

The Senior Staff Frontend Engineer will lead major frontend initiatives, contributing to application architecture, performance, and user experience while collaborating with engineers across the stack.

The Frontend Developer will design, build, and enhance user interfaces, collaborate with project teams, maintain responsive designs, debug issues, and ensure high performance.

Design and implement frontend components for the Solidity compiler, optimize performance, develop integration layers, and collaborate with researchers to enhance security features.

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 innovative UI and web systems, managing project priorities and deadlines while working within a collaborative team environment.

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

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.

Develop and optimize frontend systems for the Purchasing Integrations team using JavaScript frameworks, while ensuring performance and integration within diverse merchant environments.

The Full Stack Engineer Lead will define frontend standards and practices, write production code, and mentor engineers while ensuring high engineering quality and system scalability.

The Front End Developer will create and manage web design and digital marketing projects, requiring proficiency in HTML, CSS, and JS; experience with client interaction and ecommerce platforms is a plus.

Build front-end features for Backpack Exchange, optimize performance, and manage projects from start to finish with a focus on React.

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

As a Front-End Developer Intern, you will design and build web applications, collaborate with teams, participate in code reviews, and maintain code quality.

The Frontend Engineer will develop user interfaces utilizing React and other technologies to enhance community knowledge organization and data interaction.

As a Front End Engineer, you will build polished front-end experiences for Decile Hub, using a Rails codebase and ensuring UI consistency and quality. You will work closely with product and design teams to implement functional and aesthetically pleasing user interfaces while utilizing AI tools to enhance your workflow.

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.