Top Javascript Jobs in Boston, MA

As a JavaScript Engineer II, you'll build user-centric features, conduct A/B tests, collaborate with teams, and engage throughout the development lifecycle.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Lead the architecture and building of React projects, estimate JavaScript tasks, and mentor engineers while connecting engineering to business objectives.

As a Senior JavaScript Engineer, you'll lead React projects, estimate workloads, review code, and align engineering with client objectives, creating scalable web applications.

Design, develop, and maintain web applications using JavaScript, Node.js, and React. Collaborate on features, resolve issues, and improve engineering standards.

Lead the development of data science dashboards to mitigate fire hazards, collaborating with various teams to enhance the web application and optimize backend services.

The Senior Software Engineer will develop software solutions, mentor team members, guide architecture decisions, conduct code reviews, and ensure product scalability and performance.

As a Full Stack Engineer, you'll develop user-facing features and systems for air operations, collaborating with design and business teams.

The role involves building user experiences, APIs, and data handling processes in a TypeScript application using React and Remix, while balancing performance and quality.

Design and build web apps for creating and listening to music. Optimize performance, contribute to design decisions, and create libraries for audio experiences.

The TypeScript/JavaScript Engineer will develop a browser-side JavaScript agent, optimize performance in hostile environments, collaborate across teams, and contribute to an open-source project.

The role involves designing and developing the ArcGIS Maps SDK for JavaScript, collaborating with stakeholders, troubleshooting issues, and ensuring high-quality web experiences.

Develop and maintain the ArcGIS Excalibur application, architect solutions, integrate technologies, and resolve software issues. Requires front-end development experience and collaboration with teams.

Design and develop backend systems for Fern's financial products, ensuring accessibility and security for millions of users while moving large transaction volumes.

As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.

Seeking a Senior Software Engineer for full-stack development with 6+ years experience, focusing on Ruby on Rails and cloud technologies, in a remote US position.

As a Software Engineer focused on AI training, you'll evaluate AI-generated JavaScript, write solutions, and identify code logic issues to enhance AI systems.

Design and develop AI-driven solutions, mentor junior engineers, and lead complex projects in a staff software engineering role primarily using Python.

Responsible for designing and implementing systems for large-scale datasets, developing web-based AI model pipelines, and ensuring scalability and performance.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

As a Software Engineer at Nift, you will develop and maintain full stack projects, ensuring high performance and scalability of web applications using Ruby on Rails, while collaborating on code reviews and troubleshooting issues.

Drive design and implementation of product requirements, collaborate with teams, mentor engineers, and influence platform features and improvements.

Develop and enhance the core product by writing efficient code for data ingestion, model building, and feature development. Collaborate with the Scaling team to optimize algorithms for performance.

As a Backend TypeScript Engineer, you will build and scale APIs, work with databases, and implement event-driven systems to support performance and growth.

Build and maintain open-source SDKs for AI observability, focusing on developer experience and integration with major AI platforms.