527 js jobs at 249 companies in Malden, MA
2w
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Senior Backend Developer (Node JS)
Plano or Boston
HybridFull Time
8+ YOE8-15 years backend engineering experience with Node.js, TypeScript, GraphQL and AWS; strong SQL/NoSQL and microservices skills; authorized to work in the US without sponsorship.
Node.js, GraphQL, TypeScript, JavaScript, NestJS, ExpressJS, AWS Lambda, AWS AppSync, AWS CDK, PostgreSQL, MySQL, Amazon RDS, DynamoDB, MongoDB, Redis, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, CloudWatch, ELK, Prometheus, Grafana, OpenTelemetry, Java, J2EE, Spring Boot, React
2w
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Senior Backend Developer (Node JS)
Plano or Boston
HybridFull Time
8+ YOE8+ years backend development experience with Node.js, TypeScript, GraphQL, AWS; experience with NestJS/Express, microservices, SQL/NoSQL databases, CI/CD, observability, and Agile delivery.
Node.js, TypeScript, GraphQL, JavaScript, NestJS, ExpressJS, AWS Lambda, AWS AppSync, AWS CDK, PostgreSQL, MySQL, Amazon RDS, DynamoDB, MongoDB, Redis, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, CloudWatch, ELK, Prometheus, Grafana, OpenTelemetry, Java, J2EE, Spring Boot, React
3d
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JS - 9126 - Clin Inves
Boston, Massachusetts, United States
OnsiteFull Time
Mass General Brigham: Integrated healthcare system providing patient care and medical research.
Patient-care role at Brigham and Women's Physicians Organization supporting clinical healthcare operations within an integrated academic medical system.
3mo
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Software Engineer II (Full Stack, Platform)
Boston, Massachusetts, United States
$125k-$175k/yr OnsiteFull Time
3+ YOE2–4 years experience; JS/TypeScript, React, Node.js; REST APIs; i18n, RTL; UI components; CI/CD; collaboration.
JavaScript, TypeScript, React, Node.js, REST APIs, PostgreSQL, MySQL, CircleCI, GitHub Actions, Figma, CSS, WCAG, Storybook, i18n, RTL, BiDi
2w
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Solution Architect
Leawood or Burlington
$114k-$163k/yr HybridFull Time
4+ YOE4+ years software architecture experience, experience with eCommerce/marketing platforms, Java/PHP/JS/SQL development, Kafka/Azure/PowerPlatform familiarity, strong communication and documentation skills.
Java, PHP, HTML, JQuery, JavaScript, SQL, Kafka, Azure Service Bus, LogicApps, PowerPlatform, Adobe Commerce (Magento), Hubspot
2w
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Sr. Solutions Engineer, Ad Data Ingestion
Boston or New York
$123k-$175k/yr HybridFull Time
5+ YOE5+ years in AdTech/MarTech integrations; hands-on with Conversion APIs, JS pixels, REST APIs; experience with Looker/Datadog/Tableau, SQL/Hive; strong troubleshooting and communication skills.
Looker, Datadog, Tableau, SQL, Hive, Postman, cURL, JSON, JS, REST APIs, Conversion API (CAPI), CAPI gateway
3w
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Python Full Stack Developer
Boston or Princeton
$76k-$120k/yr OnsiteFull Time
Bachelor's or equivalent experience; strong Python and React JS skills; RESTful API development (FastAPI/Flask/Django); strong SQL/RDBMS knowledge; good communication and SDLC experience.
Python, React JS, FastAPI, Flask, Django, SQL Server, Oracle, PostgreSQL, MySQL, JavaScript
2mo
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Senior Full Stack Engineer(React, Node.JS)
Boston, Massachusetts, United States
$155k-$175k/yr RemoteFull Time
5+ YOE5+ years software engineering experience with expertise in React and Node.js, 3+ years building RESTful services, strong JS/TypeScript tooling experience, frontend performance optimization, and excellent communication.
React, Node.js, JavaScript, TypeScript, Webpack, Vite, Babel, ESLint, Jest, Cypress, Playwright, React Native, iOS, Swift, D3, Victory, Recharts, Temporal, Aurora Postgres, Java
2w
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Sr. Optimizely Developer
Boston or Denver
HybridFull Time
5+ YOE5+ years full-stack web development with 3+ years in Optimizely; deep C#/.NET Core/MVC backend and advanced HTML5/CSS3/JS frontend skills; experience with experimentation, personalization, and CI/CD.
Optimizely CMS, Optimizely Web Experimentation, Optimizely Feature Experimentation, C#, .NET Core, MVC, HTML5, CSS3, SASS, JavaScript, ES6+, jQuery, React, Vue, Project JS, Figma, Git, Azure DevOps, GitHub Actions, GitHub Copilot, ChatGPT, Salesforce, Marketo, Adobe Commerce
3mo
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Software Quality Assurance Engineer, AVP
Burlington, Massachusetts, United States
$80k-$140k/yr OnsiteFull Time
5+ YOE5+ years in software QA; Bachelor's or Master's in CS/Engineering; hands-on web app testing (React/HTML/JS) and Java microservices; SQL; QA automation; SDLC/Agile; financial services experience a plus.
React, HTML, JavaScript, Java, SQL, QA automation frameworks
1mo
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Agentic AI Engineer (Boston, Hybrid)
Boston, Massachusetts, United States
$319k-$350k/yr HybridFull Time
Deep experience building and deploying LLM-powered or agentic systems, full-stack engineering with JS/TS and Python, API and cloud platform experience, AI orchestration frameworks knowledge, strong product and UX sensibility.
JavaScript, TypeScript, Python, REST, GraphQL, AWS, GCP, Azure, LangChain, LlamaIndex, AutoGen, CrewAI
2mo
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BCG Platinion | Lead AI Tech Architect - AI Platforms
Atlanta or Austin or Boston or Brooklyn or Chicago or Dallas or Denver or Detroit or Durham or Houston or Miami or Minneapolis or Nashville or New York or Philadelphia or Pittsburgh or Summit or Washington
$190k/yr OnsiteFull Time
6+ YOEBachelor's in CS/IT or related,6+ years in software/data/AI systems with architecture or technical leadership, experience designing LLM/AI platform solutions, cloud and containerization experience, proficiency with Python/JS/TypeScript and AI frameworks.
LangChain, LlamaIndez, LangGraph, Strands, Google ADK, Semantic Kernel, AutoGen, LlamaIndex, Python, Javascript, TypeScript, Cursor, Claude Code, Replit, Lovable, RAG, Docker, Kubernetes, Pinecone, Qdrant, Aure Search, ChatGPT, Claude, AWS, Azure, GCP
2mo
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Full-Stack GUI Software Developer (Merrimack, NH, US)
Merrimack or Massachusetts or Pennsylvania or Minnesota or Texas or Arizona or Oregon or California
$101k-$150k/yr RemoteFull Time
6+ YOE6+ years experience building full-stack, cloud-native GUI applications; expertise with modern JS frameworks, GUI automation, backend services, CI/CD, and AI/ML integration in networking and data center contexts.
React, Vue.js, Angular, Playright, Cypress, Selenium, Node.js, JavaScript, Python, Go, SONiC, OpenBMC, Kubernetes, Docker, SPyTest, Claude Code, GitHub Actions, Azure DevOps, Jenkins, IXIA
1mo
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Lead Software Engineer (AWS, Golang, NodeJS)
Cambridge or McLean or Richmond
$197k-$225k/yr OnsiteFull Time
4+ YOE1+ MgmtBachelor's degree, 4+ years software engineering, 1+ year cloud (AWS/Azure/GCP), proficiency in Go/Node/JS/Java/Python/TypeScript/SQL, experience with Docker/Kubernetes, strong communication and critical thinking.
AWS, Golang, NodeJS, JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes
3w
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Software Engineer (TypeScript/JavaScript)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
5+ YOEMid/senior engineer experienced with TypeScript/JavaScript, building/maintaining JS client libraries, React/Redux front-ends, native integrations (N-API/node-addon-api/Wasm), and backend work in Python or Rust.
TypeScript, JavaScript, N-API, node-addon-api, Wasm, React, Redux, Vite, Web Workers, WebSockets, Python, Rust, REST API, Storybook, Figma, CI/CD, npm
1mo
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Sr. Forward Deployed Engineer - Financial Services
Boston or San Francisco or California
$181k-$248k/yr OnsiteFull Time
6+ YOE6+ years in data engineering or software engineering; strong Python/Scala/JS/TypeScript coding; Apache Spark expertise; experience with cloud (AWS/Azure/GCP), CI/CD, MLOps; Databricks certification preferred; customer-facing delivery experience.
Python, Scala, JavaScript, TypeScript, AWS, Azure, GCP, Apache Spark, Databricks, MLflow, Delta Lake, CI/CD, MLOps
3w
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Staff Security Engineer, Product Security And Architecture
Boston or New York City
$210k-$234k/yr OnsiteFull Time
3+ YOEBachelor's or equivalent experience plus 3+ years administering CI/CD, tuning SAST/DAST/SCA, scripting (Python/Bash), secure code reviews in Python/JS/TypeScript/Go/Java, IaC (Terraform), AWS, and AI-assisted security.
CI/CD, SAST, DAST, SCA, Python, Bash, JavaScript, TypeScript, Golang, Java, Terraform, AWS, Artificial Intelligence (AI), OAuth2, OIDC, Web Application Firewall (WAF), API Gateways
2w
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Full Stack Software Engineer - (On Site)
Wellesley, Massachusetts, United States
$110k-$127k/yr OnsiteFull Time
1+ YOEBachelor's in CS or equivalent,1+ years software engineering experience in agile web apps; backend and frontend skills (Django/RoR,Angular,JS/TypeScript),ORM,REST,Git,JIRA; unit testing and CI; cloud/docker experience preferred.
ORM, Django, Ruby on Rails, REST, Angular, JavaScript, TypeScript, CoffeeScript, HTML5, SCSS, CSS, Lodash, Git, JIRA, Jenkins, Docker, EC2, S3
1mo
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Principal AI Scientist and Lead
Boston, Massachusetts, United States
HybridFull Time
PhD or equivalent experience in ML/Computational Chemistry/Biology/Biomedical Engineering; several years building and deploying production AI/ML systems; expertise in agentic AI, LLMs, RAG, vector DBs; Python, TS/JS, SQL experience; strong scientific credibility.
Python, TypeScript, JavaScript, SQL, Go, Rust, LLMs, vector databases, RAG
3mo
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Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years (or 7+), strong JS/React, Java/Spring Boot, AWS cloud, CI/CD, and collaborative skills.
React, Spring Boot, Java, Kubernetes, Docker, CI/CD, AWS, Azure, GCP, GitHub Copilot, UX/UI
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