133 javascript engineer jobs at 70 companies in Brookfield, MA
3w
Save
Mark Applied
Hide
Senior Software Engineer - Computational Platform
Watertown, Massachusetts, United States
$154k-$200k/yr HybridFull Time
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
1w
Save
Mark Applied
Hide
Forward Deployed Engineer
United States or Nashua or Austin
OnsiteFull Time
3+ YOE3+ years customer-facing technical experience, programming in JavaScript/TypeScript/Python, API integration, RAG and embedding workflows, prompt engineering, troubleshooting, and strong communication skills.
JavaScript, TypeScript, Python, Optimizely AI (Opal), CMS, CMP, Web Experimentation, Feature Experimentation, ODP
2mo
Save
Mark Applied
Hide
Senior Front End Software Developer (AI, React, JavaScript) - Remote US
Waltham or United States
$130k-$158k/yr RemoteFull Time
3+ YOE3-4+ years frontend JavaScript/React experience; UI/UX, Agile; experience with React/TypeScript and AI tooling; remote-friendly, collaborative.
JavaScript, TypeScript, React, AI tools
1mo
Save
Mark Applied
Hide
Circle Lead Engineer (CLE) - Personal Insurance
Hartford, Connecticut, United States
$154k-$254k/yr OnsiteFull Time
7+ YOE2+ MgmtBachelor's in CS or related STEM,7+ years software engineering,2+ years technical leadership,expertise in Python,JavaScript/TypeScript,React,AWS/CDK,Terraform,Jenkins,API development,Github,and AI/GenAI.
Python, JavaScript, TypeScript, React, AWS, CDK, Terraform, Jenkins, API Development, GitHub, AI/GenAI
2mo
Save
Mark Applied
Hide
Airfoil Tool Developer Principal Engineer P4 (onsite)
East Hartford, Connecticut, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEBachelor's in STEM with 8+ years engineering (or advanced degree +5). U.S. citizenship required. Experience with airfoil design, Python/Java/JavaScript, NX/Simcenter/Teamcenter, NXOpen, build tools, GitHub, Jira, and Agile.
Python, Java, JavaScript, NX, Simcenter, Teamcenter, NXOpen, Gradle, Maven, Ant, StarCCM+, GitHub, Jira, Agile
1w
Save
Mark Applied
Hide
Software Engineer
Lexington, Massachusetts, United States
$135k-$145k/yr OnsiteFull Time
8+ YOEActive Secret clearance required; 6–8+ years software experience depending on degree; proficiency in Java/Python/C++/C#/JavaScript, RESTful APIs, CI/CD and software-development principles.
Java, Python, C++, C#, JavaScript, RESTful APIs, Git, Maven, Gradle, Jenkins, GitLab CI, Linux, Windows, Spring, JEE, SQL, Docker, Kubernetes, OpenShift, JUnit, Mockito, Selenium, Cucumber
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Bedford, Massachusetts, United States
$160k-$180k/yr OnsiteFull Time
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
5d
Save
Mark Applied
Hide
Sr. Manufacturing Solutions Engineer
Pawtucket, Rhode Island, United States
OnsiteFull Time
5+ YOEBachelor's in CS or related,5+ years software development experience,proficiency with C#, .NET, Python, Java, JavaScript/TypeScript,SQL and REST APIs,experience integrating ERP/MES,strong analytical and communication skills.
C#, .NET, Python, Java, JavaScript, TypeScript, SQL, REST APIs, Microsoft Azure, AWS, Power Platform, Power BI, Inductive Automation Ignition
3mo
Save
Mark Applied
Hide
Lead Bioinformatics Engineer (Hyrbid)
Marlborough, Massachusetts, United States
$155k-$175k/yr HybridFull Time
7+ YOEBS with 7+ yrs, MS with 4+ yrs, or PhD with 3+ yrs in clinical/biological data; 5+ yrs in regulated life sciences; 4+ yrs software/engineering.
Python, JavaScript, TypeScript, R, Terraform, AWS CDK, Docker, Git, GitLab CI/CD, GitHub CI/CD, Flask, React, Bootstrap, Jupyter, R Markdown, ggplot2, tidyverse, Plotly, matplotlib, Tableau, d3.js
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
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
2w
Save
Mark Applied
Hide
Emerging Technology Senior Engineer
Hartford, Connecticut, United States
$139k-$230k/yr HybridFull Time
6+ YOEBachelor's in CS/STEM,6+ years data engineering experience,expertise in cloud,GenAI,Python/JavaScript,databases,containerization,strong communication and leadership.
Amazon Web Services (AWS), GenAI Models, Frameworks, and Tools, Python, JavaScript, React, MongoDB, PostgreSQL, Containerization (ex. Docker), Quantum Computing Tools
2w
Save
Mark Applied
Hide
Software Engineer III
Waltham, Massachusetts, United States
$112k-$176k/yr HybridFull Time
5+ YOE5+ years experience, BS in Computer Science or equivalent, strong Java/Spring and microservices experience, MySQL/Mongo, GCP or AWS, CI/CD (Jenkins), familiarity with Hadoop/Elastic/Apache Beam; strong problem solving.
MySQL, Mongo, Spring, Java, Angular, React, Node-js, Python, Typescript, JavaScript, Google Cloud Platform (GCP), AWS, Hadoop, Solr, Lucene, Elastic search, Apache Beam, Jenkins
1w
Save
Mark Applied
Hide
Software Principal Engineer
Hopkinton, Massachusetts, United States
$168k-$231k/yr OnsiteFull Time
10+ YOE10+ years managing enterprise-scale DevOps tools and CI/CD pipelines with GitHub Actions, self-hosted runners, GitHub Enterprise Server administration, security and secrets management, container orchestration, and automation; bachelor's/master's preferred.
GitHub, GitHub Actions, GitHub Enterprise Server, OKTA, S3, Docker, Kubernetes, JavaScript, Linux, Windows, macOS
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer
Hartford, Connecticut, United States
$144k-$288k/yr HybridFull Time
10+ YOE10+ years software engineering experience with .NET/COBOL/Java/Node.js/JavaScript/Angular, DevSecOps and CI/CD expertise, GCP/Azure cloud experience, and experience modernizing enterprise systems.
.NET, COBOL, Java, Node.js, JavaScript, Angular, Generative AI technologies, GCP, Azure, GitHub, Jenkins, GitHub Actions, ArgoCD, Salesforce, Mulesoft, z/OS
1mo
Save
Mark Applied
Hide
Cloud Developer II
Pittsford or Framingham or Atlanta
$91k-$137k/yr OnsiteFull Time
3+ YOE3–6 years AWS and networking experience, proficiency with PowerShell/Python/C#, infrastructure-as-code and automation (Ansible, AWS SSM, Chef), Windows Server and Hyper-V/VMware administration, SQL database optimization, REST/SOAP API support, and 24x7 on-call participation.
Amazon Web Services (AWS), S3, EC2, VPC, PowerShell, TypeScript, JavaScript, CloudWatch, Lambda, AWS SSM, Ansible, Chef, Hyper-V, VMware, SQL Server, MySQL, PostgreSQL, Lenel On-Guard, Python, C#
1mo
Save
Mark Applied
Hide
Senior Applications Developer
Southborough, Massachusetts, United States
$100k-$140k/yr OnsiteFull Time
4+ YOEBS in CS/Engineering required; 4+ years full‑stack C#/.Net experience; knowledge of Oracle, T‑SQL/PL‑SQL, MongoDB, HTML/CSS/JavaScript, Angular, Node.js, Telerik; Agile experience; SDLC/OOP proficiency.
.Net, C#, MVC, .Net Core, Web Services, Windows services, Oracle, Oracle 19c, T-SQL, PL/SQL, MongoDB, HTML, CSS, JavaScript, Angular, Node.js, Telerik, Kendo, SQL Server, MySQL
1w
Save
Mark Applied
Hide
Software Engineer, Lab Automation
Waltham, Massachusetts, United States
HybridFull Time
Degree in CS/Bioengineering/Engineering, strong programming in Python/C#/JavaScript, hands-on lab automation and instrument integration, ELN/LIMS/databases experience, troubleshooting and translating workflows to software.
Python, C#, JavaScript, ELN, LIMS, Benchling, Dotmatics, Thermo Fisher, Beckman Coulter, APIs
1w
Save
Mark Applied
Hide
Senior Applied AI Engineer
San Diego or Marlborough
$100k-$130k/yr HybridFull Time
5+ YOEBachelor's or equivalent experience; 5+ years software/ML/solutions engineering with 2+ years building AI/ML/automation; strong programming (Python, JavaScript/TypeScript, C#); Azure and LLM/RAG experience; stakeholder communication.
Azure OpenAI, Claude, Microsoft Copilot, Python, JavaScript, TypeScript, C#, Power Automate, Logic Apps, Power Platform, LangGraph, Semantic Kernel, Model Context Protocol (MCP), Azure
1w
Save
Mark Applied
Hide
Senior Software Test Engineer
Holyoke, Massachusetts, United States
$120k-$160k/yr HybridFull Time
5+ YOEBachelor's in CS/Engineering or equivalent,5+ years software testing with automated web/API testing,Java plus Python/JavaScript,Playwright/Selenium/Cypress,CI/CD (Jenkins),Git,Jira,SQL,and mentoring experience.
Playwright, Selenium, Cypress, Cucumber, Java, Python, JavaScript, SQL, Jenkins, Docker, Kubernetes, ECS, Terraform, AWS, Git, Jira, JUnit, TestNG, Postman
2w
Save
Mark Applied
Hide
Software Engineer in Test
Smithfield, Rhode Island, United States
$69k-$153k/yr OnsiteFull Time
6+ YOE6+ years QA test automation engineering experience building API and UI automation using Karate/RestAssured and Playwright/Cypress; strong Java/JavaScript/TypeScript skills; CI/CD and SQL experience.
Karate, RestAssured, Playwright, Cypress, Java, JavaScript, TypeScript, Jenkins, GitHub Actions, Azure DevOps, SQL, AWS Lambda, S3, CloudWatch, API Gateway, JMeter, Gatling, Docker, Kubernetes
Explore Jobs