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323 software engineer javascript jobs at 180 companies in Lawrence, MA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
4d
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Software Engineer (TypeScript/JavaScript)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento
Databento: Provides a pay-as-you-go financial market data platform.
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
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2w
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Software Engineer, DevSecOps
Cambridge, Massachusetts, United States
$109k-$175k/yr HybridFull Time
Moderna
ModernaNasdaq: MRNA: Develops and manufactures messenger RNA medicines and vaccines.
5+ YOE5+ years in software/platform/DevOps; strong TypeScript/JavaScript or Python; AWS experience; CI/CD pipeline creation; developer tooling and platform engineering experience.
Python, TypeScript, JavaScript, GitHub Actions, Pulumi, Docker, AWS, JFrog, JFrog Artifactory, Nexus, GitHub Packages
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1mo
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Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Senior software engineer with RESTful APIs, JavaScript frameworks, databases, SDLC, CI/CD, mentoring, and strong OO design.
JavaScript, Angular, AngularJS, Backbone.js, React.js, CSS3
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1mo
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Staff Software Engineer
Hyderabad or Bengaluru or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Lisbon or Dublin or Kyiv or India or United States or United Kingdom or Portugal or Ireland or Ukraine or Switzerland or California or Europe
RemoteFull Time
SingleStore
SingleStore: Provides a distributed SQL database for real-time analytics.
8+ YOE8+ years engineering experience; strong programming in Python, C/C++, JavaScript, or Go; experience with distributed systems, databases (SQL), containers/Kubernetes, GitOps/IaC, CI/CD, and software testing. BS in CS or equivalent experience.
Python, C/C++, JavaScript, Go, Kubernetes, SQL, GitOps, Infrastructure as Code (IaC), Unix, Linux
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1w
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Senior Software Engineer - Computational Platform
Watertown, Massachusetts, United States
$154k-$200k/yr HybridFull Time
Dyno Therapeutics
Dyno Therapeutics: Designs AI-powered AAV vectors for targeted gene therapy delivery.
6+ YOE6+ years software engineering experience; cloud (GCP/AWS), Terraform, Kubernetes/Docker, data modeling, Python, React/JavaScript, strong engineering best practices and security.
GCP, AWS, Terraform, Kubernetes, Docker, Python, React, JavaScript, SQL, ETL, LLMs
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1w
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Lead Software Engineer
McLean or Cambridge or Richmond
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOE1+ MgmtBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience, people management and AWS/GCP/Azure experience preferred; strong skills in JavaScript/Java/TypeScript/SQL/Python/Go and cloud-native architectures.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
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2mo
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Javascript - Senior Developers - AI Training - Boston, USA
Boston or United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related; professional experience building scalable web apps with JavaScript/TypeScript; strong algorithmic problem-solving (LeetCode Medium–Hard); deep JS internals knowledge and clean ES6+ code practices.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
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2w
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Software Solutions Engineer
Andover, Massachusetts, United States
$75k-$95k/yr HybridFull Time
Aras
Aras: Develops low-code software for industrial product lifecycle management.
3+ YOEMid-level software engineer with strong problem-solving, experience with C#, JavaScript, SQL, web application development; able to collect requirements, develop, test, and customize product for customers.
C#, JavaScript, SQL, Aras Innovator
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2w
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Software Engineer - Business Analytics
San Diego or Boston
$100k-$125k/yr HybridFull Time
HavocAI
HavocAI: Develops autonomous surface vessels and collaborative maritime autonomy software.
1+ YOEBachelor's or equivalent, 1+ years software/analytics engineering experience, strong programming fundamentals (Python/JavaScript/TypeScript/SQL), BI/dashboard and automation experience, U.S. citizenship and ability to obtain security clearance.
Python, JavaScript, TypeScript, SQL, React, Next.js, Node.js, Flask, FastAPI, Streamlit, Looker, Power BI, Tableau, Metabase, Retool, Cursor, Claude Code, GitHub Copilot, Rippling, Ashby, Salesforce, HubSpot, Jira, Confluence, Rho, Navan, AWS, GCP, Azure
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1mo
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Senior Software Engineer
Bedford, Massachusetts, United States
$160k-$180k/yr OnsiteFull Time
Applied Research Solutions
Applied Research Solutions: Providing technical engineering and mission support to defense agencies.
10+ YOEUS citizen with Top Secret clearance, Bachelor's in CS/CE or related, 10+ years software development experience, knowledge of Python, Java, JavaScript, C, experience with Agile, DevOps, Linux/Unix and Windows.
JIRA, Confluence, Python, Java, JavaScript, C, Linux/Unix, Windows
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2w
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Software Engineer, UI
Boston, Massachusetts, United States
$50-$75/hr OnsiteContract
Fidelity Investments
Fidelity Investments: Financial services and investment management firm providing advisory solutions.
2+ YOE2+ years software engineering experience preferred; proficiency in Angular, JavaScript/TypeScript, RxJS, HTML/CSS/SCSS; experience with test automation, REST APIs, cloud and container tech; bachelor’s degree preferred.
Angular, JavaScript, TypeScript, RxJS, HTML, CSS/SCSS, Playwright, Cypress, REST APIs, Java, AWS, Docker
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3mo
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Software Engineer II, Officer
Burlington, Massachusetts, United States
$70k-$119k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
2+ YOE2-5 years software engineering experience; proficient in Java, C#, SQL, JavaScript; strong collaboration and communication; team-oriented in Agile environments.
Java, C#, SQL, JavaScript
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3w
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Senior Robotics Software Engineer
Boston, Massachusetts, United States
$115k-$210k/yr HybridFull Time
ASUS
ASUSTaiwan Stock Exchange: 2357: Manufacturer of computer hardware, laptops, and consumer electronics.
10+ YOEBachelor's in CS/robotics/EE, 10+ years industry software engineering experience, proficiency in C/C++, Python, JavaScript or Go, ROS experience preferred, strong algorithms and system design, ability to collaborate across hardware and software teams.
C, C++, Python, JavaScript, Go, ROS
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1mo
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Software Engineer
Plano or Boston
$83k-$154k/yr HybridFull Time
Liberty Mutual Insurance
Liberty Mutual Insurance: Global provider of property and casualty insurance products.
3+ YOE3+ years software engineering; BS/BA in technical or business field or equivalent experience; hands-on with front-end and back-end tech; cloud and DevOps experience; strong communication and collaboration.
React, Angular, TypeScript, JavaScript, Node.js, AWS, Cloud Foundry, CDN, GraphQL, Redis, MongoDB, REST, Object-Oriented Programming, CI/CD, DevOps
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4w
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Software Engineer
Cambridge or Concord
$110k-$120k/yr HybridFull Time
KAYAK
KAYAK: Global travel search engine for flights, hotels, and rentals.
5+ YOE5+ years software engineering experience, strong Java skills, API and SQL/MySQL experience, ability to design and deliver backend systems, cross-functional collaboration, mentoring, and CS degree or equivalent.
Java, RESTful APIs, SQL, MySQL, JavaScript, React, HTML, CSS
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4d
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Software Engineer
Cambridge or United States
$76k-$136k/yr RemoteFull Time
Akamai
AkamaiNASDAQ: AKAM: Provides content delivery, cybersecurity, and cloud computing services globally.
Bachelor's/Master's in CS or equivalent; proficiency in Python, Go, or JavaScript; familiarity with RESTful APIs, cloud concepts, Git/GitHub; strong problem-solving and collaboration skills.
Python, Go, JavaScript, RESTful APIs, Git, GitHub
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1mo
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UX Software Engineer
Cambridge, Massachusetts, United States
$100k-$200k/yr HybridFull Time
Charles River Analytics
Charles River Analytics: Develops human-centered AI and intelligent systems for national security.
2+ YOE2+ years professional UX software development experience (5+ preferred), Bachelor's in CS/engineering or equivalent, U.S. citizenship, hybrid onsite in Cambridge (3 days/week), JavaScript and backend integration experience, Agile/Scrum familiarity, occasional travel.
JavaScript, Unity, GitLab, Docusaurus, HTTP, GraphQL, REST, Swagger, ActiveMQ, gRPC, WebSockets, NodeJS, Python, C#, Java Spring, Kubernetes, Docker, AWS EC2, VMware, Neo4j, Postgres, MongoDB, ElasticSearch, Redis, MySQL, Webpack, grunt, gulp, npm, yarn, gradle, Sphinx, JS Doc, React, es6, HTML5, CSS3, Unreal, JIRA, Windows, Linux, RHEL, Ubuntu, OSX, Jasmine, Mocha, Jest, TapeJS, Protractor, NUnit, Storybook, Cesium, GeoJson, Leaflet, Oculus Quest, Hololens, HTC Vive
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1w
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Senior Software Engineer
Natick, Massachusetts, United States
$130k-$170k/yr HybridFull Time
Cognex
CognexNASDAQ: CGNX: Provides machine vision systems and sensors for industrial automation
3+ YOEBS/MS in ECE or CS required,3+ years software development experience,proficiency in C++,C#,Java,Python,JavaScript,Embedded Linux/Yocto,Microsoft Visual Studio and .NET,agile/scrum experience and strong debugging skills.
C++, C#, Java, Python, JavaScript, Embedded Linux, Yocto, Microsoft Visual Studio, Microsoft .NET, Microsoft WinForms, Microsoft WPF
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1mo
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Software Engineer II
Boston, Massachusetts, United States
$131k-$174k/yr HybridFull Time
Klaviyo
KlaviyoNYSE: KVYO: Customer data platform for e-commerce marketing and automation.
1+ YOEMaster's degree in a related engineering field and 1 year experience; experience with distributed systems, Redis, MySQL, connection pooling, RabbitMQ/Pulsar/Kafka, and JavaScript; strong communication and problem-solving skills.
Redis, MySQL, RabbitMQ, Pulsar, Kafka, JavaScript, Covey Scout
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1mo
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Senior Software Engineer
India or Hyderabad or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Lisbon or Bangalore or Dublin or Kyiv
OnsiteFull Time
SingleStore
SingleStore: Real-time distributed SQL database for transactions and analytics.
3+ YOE3+ years programming experience (Python, C/C++, JavaScript, or Go); experience with SQL databases, containers, Kubernetes, GitOps and IaC; strong testing and quality engineering skills; BS in CS or equivalent experience.
Python, C/C++, JavaScript, Go, SQL, containers, Kubernetes, GitOps, Infrastructure as Code (IaC), CI/CD, Unix, Linux
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