Top Javascript Jobs in Boston, MA

Maintain and enhance existing public-facing geospatial applications for the USGS National Map. Develop with JavaScript, troubleshoot and improve code, and support scalable AWS-based data workflows using the AWS SDK, CLI, Lambda, S3, and EC2. Apply software engineering fundamentals, testing, debugging, version control, and analytical problem-solving while collaborating in a technical environment. Python, front-end frameworks, Node.js, REST APIs, additional cloud platforms, and Esri technologies are preferred.

Develop and maintain public-facing National Map applications for USGS. Responsibilities include improving existing functionality, troubleshooting, JavaScript development, AWS cloud workflow automation, testing, debugging, and scalability improvements. The role requires collaboration, analytical problem-solving, software engineering fundamentals, and experience with AWS SDK, CLI, Lambda, S3, and EC2. Preferred experience includes Python, modern front-end frameworks, Node.js, REST APIs, additional cloud platforms, and Esri technologies.

Build and evolve Netflix’s shared JavaScript application platform, including internal CLIs, SDKs, CI/CD workflows, development tooling, monorepo infrastructure, deployment integrations, and supporting services. Improve platform observability, performance, reliability, and developer experience while partnering across teams, supporting users, defining interfaces, validating infrastructure changes, and providing technical leadership without direct management.

Enhance, maintain, troubleshoot, and improve existing public-facing geospatial applications for the USGS National Map. Develop with JavaScript, support AWS-based cloud data workflows using services such as Lambda, S3, and EC2, and improve code efficiency, scalability, testing, and maintainability. Collaborate with technical teams to diagnose problems and implement practical solutions. Preferred experience includes Python, modern front-end and Node.js development, REST APIs, additional cloud platforms, and Esri technologies.

Develop and maintain public-facing applications supporting the USGS National Map. Improve existing JavaScript applications, troubleshoot issues, enhance data presentation, and optimize scalable cloud-based workflows using AWS services. Collaborate with technical teams to design maintainable solutions, automate data processing, test software, and improve application efficiency. The role requires strong software engineering fundamentals, analytical problem-solving, and experience with JavaScript and AWS technologies.

As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript, manage project priorities, and make technology decisions while collaborating with Product and Design teams.

Develop and maintain high-scale JavaScript and TypeScript monetization solutions using Prebid.js, Prebid Server, and Google Ad Manager. Own the header bidding wrapper, integrate auction and ad-tech standards, optimize Core Web Vitals and client-side performance, operate Google Cloud services, review code, document architecture, and resolve production issues.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

Build, maintain, and promote a robust JavaScript/TypeScript client library and related front-end components. Integrate native libraries (N-API/node-addon-api/Wasm), develop responsive React apps, contribute to backend REST APIs (Python/Rust), manage CI/CD and npm publishing, document components with Storybook, and collaborate with design for production-ready components.

As a Senior Full-Stack Software Engineer, you will develop AI-centric web applications, participate in architectural decisions, and mentor team members while managing project priorities and deliverables.

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.

The Senior Front End Software Developer will create secure, performant, cross-platform applications, collaborate on feature implementations, and ensure code usability and testing, with a focus on design and structure.

Senior front-end developer building complex, interactive web applications using advanced JavaScript, HTML5 and CSS3. Collaborate with UX, product, and backend engineers to design reusable components, enforce client-side business logic, write and automate tests, and continuously improve product and processes.

Senior front-end engineer responsible for building complex, interactive web applications using advanced JavaScript, HTML5 and CSS3. Collaborate with UX and product owners, design reusable components, enforce client-side business logic, and lead unit test and automation efforts while working in Agile teams.

Develop cross-browser, event-driven web UIs using JavaScript and Ext JS. Integrate with RESTful services via AJAX/JSON, work with JSP, XML, CSS and DOM. Follow MVC patterns and build secure front-end applications.

Senior full‑stack engineer responsible for building backend services (Node.js/TypeScript) and integrating with frontends (React/Vue). Ship production APIs, collaborate cross‑functionally, own delivery, mentor peers, and develop modular, testable, performant systems across diverse greenfield projects.

The Senior Full Stack JavaScript Developer will build and maintain user interfaces using React and Next.js, integrate with Node.js backends, and guide other developers. Responsibilities include ensuring accessibility, performance, and reliability of features, engaging in code reviews, and collaborating closely with product teams.