Top Front End Developer Jobs in Philadelphia, PA

As a Staff Engineer, you will lead complex technical initiatives, improve front-end architecture, mentor engineers, and ensure high-quality user experiences in a collaborative environment.

As a Staff Front-End Engineer, you'll lead complex technical initiatives, mentor engineers, and drive user-focused interface development for Thunderbird.

As a Staff Software Engineer, you will lead architectural vision, mentor teams, write clean code, and collaborate on feature implementation in a fast-paced environment.

The Senior Frontend Product Engineer will build high-quality UIs in React and Ember, improve frontend architecture, and collaborate on new features.

The Senior Front-End Engineer will solve complex architecture problems, develop features using Vue, optimize performance, and collaborate with cross-functional teams.

The Senior Frontend Engineer will design, build, and maintain scalable web applications, focusing on UI features, code quality, and collaboration with various teams. They will implement complex UI components, state management, and ensure responsive design while optimizing performance and conducting tests.

Lead the design and development of software solutions while mentoring junior developers, collaborating with stakeholders, and ensuring code quality.

As a Senior Frontend Engineer, you will design and build web applications, owning major UI projects, collaborating with cross-functional teams, and optimizing performance for a seamless user experience.

As a Front-End Engineer, you'll create intuitive UIs for AI tools, collaborating with design and backend teams, focusing on performance and user experience.

The Senior Software Engineer will enhance user experiences in crypto wallets, focusing on collaboration, performance, and delivering quality products.

As a Software Engineer, you will write scalable code, own the software development lifecycle, and collaborate on projects that improve healthcare solutions. You'll take ownership of features and participate in a remote-first culture, contributing to impactful software in a fast-paced environment.

The Senior Frontend Engineer will build and enhance core product experiences using Angular 2+ and React, ensuring high-quality code and collaboration with other teams.

Develop user-centric UI applications, collaborate with teams, and design scalable solutions while enhancing production-ready code as a Frontend Engineer.

The Sr. Software Engineer will develop AI-powered frontend experiences, collaborate on features across products, and improve frontend architecture, mentoring juniors and working with APIs and testing frameworks.

The Tech Lead/Full Stack Engineer will design core features, support system architecture, mentor junior engineers, and lead technical initiatives at Calendly.

As a Senior Frontend Engineer, you'll build user experiences for a multi-channel messaging platform, focusing on React and TypeScript. Responsibilities include collaborating with teams, driving architecture decisions, mentoring, and contributing to shared infrastructure.

Develop frontend applications focusing on real-time communication, utilizing Vue 3 and TypeScript while ensuring compliance in a regulated healthcare environment.

The Frontend Software Engineer II designs and builds frontend components using React and Next.js, collaborates with teams to deliver features, and optimizes performance for high-traffic applications.

Lead the design and implementation of core authentication infrastructure at Phantom, focusing on secure authentication systems, secrets management, and API integrations.

The Front-End Developer will design and maintain applications using Vue with TypeScript. Responsibilities include collaborating with teams, prototyping solutions, and ensuring application performance.

Develop and optimize front-end applications using React, collaborate with cross-functional teams, and implement best coding practices for UI components.

Develop and improve real-time drone tele-operations features, cloud-based products, and quickly prototype new front-end experiences while transitioning to a new tech stack.

The role involves leading software development efforts, mentoring team members, ensuring application quality, optimizing performance, and innovating new software solutions.

Design and build high-performance, data-intensive frontend applications for Loan Origination and Servicing platform. Collaborate with teams to deliver user experiences and optimize application performance.

The QA Engineer will ensure quality across web and frontend experiences, build automated test coverage, and improve release confidence through collaboration.