Top Senior Front-End Engineer Jobs in Boston, MA

Develop and implement advanced UI applications for defense intelligence using TypeScript and React, mentoring junior engineers and collaborating with cross-functional teams.

Lead the design and development of high-quality cross-platform applications using Flutter and Dart, while mentoring junior developers and ensuring coding standards are met.

The Senior Software Engineer will lead web experience architecture, mentor engineers, manage technical projects, and enhance frontend performance and reliability through data-driven decision making.

Design, build, test, and maintain scalable, responsive front-end applications (React/TypeScript). Collaborate with cross-functional teams to implement AI-integrated UIs, optimize performance, and own frontend lifecycle including unit, integration, and end-to-end testing.

As a Senior Frontend Engineer, you will develop scalable front-end solutions for the HTS platform, ensuring optimal performance and usability in travel-related applications, and collaborating with cross-functional teams.

Lead the evolution of the frontend platform, design complex user interfaces, provide technical leadership, and optimize CI/CD infrastructure for a scalable experience.

As a Senior Frontend Engineer, you will lead frontend development, mentor team members, design scalable architecture, and enhance UI quality using AI tools.

As a Senior Frontend Engineer, you will optimize performance across the platform, analyze client traffic, and implement fixes for performance issues. You'll collaborate across teams, advocate for best practices, and ensure a high-quality user experience.

The role involves developing new user-facing features for LangSmith, optimizing components, and collaborating with developers and designers to enhance usability.

Develop user interfaces for web applications, collaborate with teams, mentor engineers, and ensure code quality and performance in a fast-paced environment.

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.

Build and maintain customer-facing experiences for live online auctions, improving performance and reliability while mentoring teammates and collaborating with product and design teams.

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.

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.

The role involves developing high-quality front-end software for freight logistics, mentoring junior engineers, and collaborating on customer experience projects using advanced frameworks.

Develop and deliver high-quality front-end software for freight logistics. Lead design, mentor junior engineers, and enhance customer experiences using modern frameworks.

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

Design and build user-facing components for an AI-native cloud platform, ensuring scalability and performance, mentoring engineers, and optimizing web interfaces.

Lead architecture and development of front-end features for the Risk Cloud platform using Angular and TypeScript. Write and review tests and code, collaborate with product, design, QA, and engineering teams using Agile practices, and optimize the front-end for speed, reliability, and scalability while promoting testing-first and iterative delivery.

Develop scalable, high-performance user interfaces using React, integrating with backend services, and optimizing for performance in data-driven web applications.

This role involves building production-grade React applications with TypeScript, developing a component library, collaborating on API integration, and shaping frontend architecture for an AI-powered hardware product platform.

The role involves developing large-scale applications using HTML, CSS, JavaScript, and React/WordPress, code reviews, and crafting UI components while ensuring high quality and accessibility.

The Senior Front-End Engineer will design and build scalable applications using React and TypeScript, collaborating with client engineers and leveraging AI tools for development.

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.

The Senior Frontend Engineer will enhance Slate's brand management experience by building UI systems, integrating brand assets, ensuring reliability, writing maintainable code, and mentoring junior engineers.