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Javascript Developer Jobs in Cornwall, NY, US
130+ javascript developer jobs from 75 companies hiring in Cornwall, NY, US.
1w
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AVP, Marketing Cloud Personalization Developer
Stamford or Orlando or Chicago or Costa Mesa or Alpharetta or New York City or Charlotte or Cincinnati
$75k-$130k/yr HybridFull Time
6+ YOEBachelor's degree or 6+ years of experience; 2+ years Marketing Cloud MCP experience; AMPscript/SQL; REST API; Salesforce MC Developer Certification; travel as required.
Salesforce Marketing Cloud, Marketing Cloud Personalization (MCP), AMPscript, SQL, REST API, JavaScript, HTML, CSS, Tableau, Datorama
2mo
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Product Engineer
Long Island City, New York, United States
$140k-$185k/yr HybridFull Time
2+ YOE2-5 years building production web apps; strong UI/Frontend and data-focused capabilities; comfortable across stack; autonomous in small team.
JavaScript, TypeScript, React, SQL, Python, APIs
1mo
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Lead Software Engineer, .Net Full Stack (Hybrid)
Berlin or Westwood or Windsor or Manchester
$149k-$165k/yr HybridFull Time
8+ YOEEight to ten years of software engineering experience; expert in .NET Full Stack; strong leadership; design, develop, mentor; hybrid in-office requirement; travel as needed.
.NET, C#, SQL, JavaScript, React, REST, Azure, AWS
2mo
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Junior Full Stack Developer
Stamford, Connecticut, United States
$100k-$120k/yr HybridFull Time
2+ YOE2+ years in FinTech/tech as a full stack or front-end engineer; strong JS/TS, front-end framework experience; APIs and data integration; Agile; unit/UI tests; excellent UX mindset.
JavaScript, TypeScript, React, Angular, Vue
1w
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IT Developer Intern (Teaneck Remote, New Jersey, United States)
Teaneck, New Jersey, United States
RemoteInternship
0+ YOEHigh school student enrolled in a university/college; basic React and JavaScript; familiarity with WordPress, PHP, HTML, CSS, RESTful APIs; Git; strong problem-solving and debugging skills.
React, WordPress, PHP, HTML, CSS, RESTful APIs, Git
2mo
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Full Stack Software Engineer, Vice President – Corporate Functions Technology
Quincy or Boston or Princeton or Clifton or Toronto
$125k-$215k/yr OnsiteFull Time
7+ YOE5+ years enterprise full-stack web development; React/JS/TS, Node.js, APIs, cloud, security/compliance, AI integration.
React, JavaScript, TypeScript, HTML5, CSS3, Node.js, Python, Java, SQL, NoSQL, AWS, Azure, Kubernetes, Databricks, Git, CI/CD, Infrastructure as Code
2w
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Forward Deployed AI Engineer
Hoboken, New Jersey, United States
$35-$45/hr OnsitePart Time
Bachelor’s or Master’s in CS/Data Science/AI; experience with AI tools, Python, APIs, web full-stack; data pipelines; databases; BI; collaboration.
Python, APIs, Web Development, JavaScript, TypeScript, React, REST/GraphQL, Databases, SQL, NoSQL, CI/CD
2w
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Full Stack Developer (.Net/Python)
Denver or New York
$130k-$160k/yr HybridFull Time
7+ YOE7+ years of industry experience; BA/BS in Computer Science or related field; strong .NET and Python skills; financial services domain knowledge.
C#, Python, Angular, React, Vue, HTML, CSS, JavaScript, XML, JSON, JQuery, REST, Docker, Kubernetes, SQL, NoSQL, CI/CD
6d
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Sr. QE (Senior Quality Engineer, APIs)
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
5+ YOE5+ years in quality or software engineering; backend API testing; automated test suites; experience with REST APIs; AWS serverless; CI/CD integration; AI-assisted tools; contract testing.
JavaScript, TypeScript, Java, Python, REST APIs, AWS (Serverless: Lambda, API Gateway, DynamoDB, SQS/SNS), CI/CD (Azure DevOps, GitHub Actions), AI-assisted development tools (GitHub Copilot, Claude), Contract testing, Test automation frameworks
3d
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Test Engineer I
Woodbury or New York or Newark
$90k-$120k/yr OnsiteFull Time
0+ YOEBS in Electrical/Computer Engineering or Computer Science; knowledge of J1939/J1708; familiarity with C/C++, SQL, VB, JavaScript/HTML; some hardware design and database experience; ability to collaborate with multiple teams.
C, C++, SQL, VB, JavaScript, HTML, ASP, Databases, Networking
2mo
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ServiceNow Vulnerability Response Developer, Vice President
Jersey City, New Jersey, United States
$145k-$182k/yr HybridFull Time
8+ YOEExtensive ServiceNow architecture, Vulnerability Response, CMDB, ITSM, GRC; 8+ yrs; REST API integrations; JavaScript/PowerShell; SQL Server; Bachelor's in CS.
ServiceNow, Qualys, Tanium, Veracode, SQL Server, REST API, JavaScript, Angular.js, PowerShell
3d
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Test Engineer I
Woodbury or New York or New Jersey
$90k-$120k/yr OnsiteFull Time
BS degree in Electrical Engineering, Computer Engineering, Computer Science or related; knowledge of J1939/J1708; proficiency in C/C++, SQL, VB, JavaScript, HTML, ASP; databases and networking; some hardware design; able to collaborate across teams.
C, C++, SQL, VB, JavaScript, HTML, ASP, Databases, Networking, Hardware design
1mo
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Process Engineer - Defect Systems
Hopewell Junction, New York, United States
$66k-$102k/yr OnsiteFull Time
onsemi: Designs and manufactures power and sensing semiconductor components.
BS in Engineering or Computer Science; strong communication and leadership; English fluency. Preferred: MS in Engineering or CS; experience with SQL, Java, JavaScript, Python, HTML, XML, Git; semiconductor processing experience; familiarity with 5S, 8D, 6-sigma, SPC, DOE, FMEA.
Java, JavaScript, Python, HTML, XML, Git, SQL
17h
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Sr. Customer Engineer, Enterprise
New York or Stamford or Jersey City or Philadelphia or Remote
$193k-$242k/yr RemoteFull Time
5+ YOE5-8 years in a customer-facing technical role; strong web tech (HTML, CSS, JavaScript, REST APIs); experience with enterprise accounts; AI-enabled workflow experience; mentoring juniors.
HTML, CSS, JavaScript, REST APIs, AI tools
2mo
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.NET Full Stack Developer - Onsite (Parispanny, NJ, US)
Parsippany, New Jersey, United States
OnsiteFull Time
7+ YOE7+ years enterprise web apps; 5+ years C#, Angular, SQL Server; 3+ years GCP Firebase Firestore; strong DevOps, security, and cloud experience; Bachelor’s in CS/IS or equivalent.
C#, .NET Core, HTML, CSS, JavaScript, TypeScript, Angular, SOAP, REST, Microsoft SQL Server, SSIS, Azure DevOps, Git, SonarQube, Netsparker, Invicti, JWT, OAuth/OIDC, Azure AD, Google Cloud Platform (App Engine, Cloud Functions, Firestore, Cloud Build, Cloud Armor)
2w
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Sr. ServiceNow Application Developer III
West Orange, New Jersey, United States
$111k-$156k/yr OnsiteFull Time
5+ YOESenior ServiceNow developer with HAM Pro/SAM focus, 5+ years ServiceNow development, 2+ years in senior role, SA/ITIL knowledge.
ServiceNow, JavaScript, SQL, HTML, CSS, REST APIs, SOAP, Integration Hub, Workflow Data Fabric, CMDB, ITSM, ITOM, HAM Pro, SAM
2mo
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Software Engineer III (FinPro) - Hybrid (Raleigh or Jersey City)
Jersey City or Raleigh
$120k-$150k/yr HybridFull Time
5+ YOE5-7 years software engineering; Java, .Net, SQL; agile; strong communication; bachelor's degree.
Java, C#, NET, SQL, JavaScript, TypeScript, HTML, CSS, Oracle, SQL Server, PostgreSQL, Memcached, MongoDB, Redis, Angular, RxJS, Node.js, React, Webpack, JQuery, Tomcat, Linux, Windows, IIS, JBoss, Docker, Kubernetes, OpenStack, CI/CD, Jenkins
3mo
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Senior Load Balancing Engineer
Plano or Jersey City or Charlotte
$70k-$134k/yr OnsiteFull Time
5+ YOE5+ years IT experience; expert in F5 and VMware AVI load balancing; strong network and security background; programming/scripting (Python, Perl, Java, JavaScript); design and implement load balancing infrastructure; L3 production support; document designs; vendor coordination.
F5, VMware AVI, Python, Perl, Java, JavaScript, Ansible, Terraform, CI/CD
3d
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SharePoint Developer Intern or Co-op - Summer 2026 (Parsippany, NJ, US, 07054-2172)
Parsippany, New Jersey, United States
$25-$32/hr OnsiteInternship
Pursuing a Bachelor's in Computer Science or related field; GPA 3.0+ preferred; knowledge of SharePoint, HTML5, JavaScript, JQuery, AngularJS, Python, CSS; Power Automate familiarity; proficient with Microsoft Office; strong communication and organizational skills.
SharePoint, HTML5, JQuery, JavaScript, AngularJS, Python, CSS, Power Automate, Microsoft Office
4d
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AVP, Marketing Cloud Personalization Developer
Stamford or Orlando or Chicago or Costa Mesa or Alpharetta or New York City or Charlotte or West Chester
$75k-$130k/yr HybridFull Time
2+ YOEBachelor's degree or 6+ years experience; 2+ years Marketing Cloud including MCP, APIs, AMPscript, SQL; Salesforce Marketing Cloud Developer Certification; experience with data integrations and journey builder.
Salesforce Marketing Cloud, AMPscript, SQL, REST API, SOAP, Datorama, Tableau, Salesforce Data 360, Journey Builder, Automation Studio, HTML, CSS, JavaScript
19h
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Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
1w
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Slate CRM Developer
Poughkeepsie, New York, United States
$80k-$85k/yr HybridFull Time
Bachelor’s degree in IT/CS or related field; Slate CRM admin experience; SQL and integrations; strong data, reporting, and communication skills.
Slate CRM, SQL, APIs, HTML, CSS, JavaScript, JSON, XML, Linux shell scripting
2mo
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Lead ServiceNow Engineer – Integrated Risk Management (IRM)
New York or Holmdel or Stamford or Bethlehem
$119k-$195k/yr HybridFull Time
10+ YOESenior ServiceNow expert with 10+ years configuring/integrating SaaS platforms; 5+ years ServiceNow development; IRM/BCM/TPRM experience; strong collaboration, automation, governance.
ServiceNow, Flow Designer, JavaScript, REST, SOAP, Integration Hub, CMDB, Archer
19h
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Lead Application Engineer
Stamford, Connecticut, United States
OnsiteFull Time
5+ YOESenior-level IT/engineering role overseeing enterprise applications, ERP modernization, system integrations, and cloud transformations.
TypeScript, JavaScript, Node.js, React, SQL Server, PostgreSQL, Azure, SAP, Oracle, Microsoft Dynamics, Java, .NET, Python
1mo
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SAC Lead Data Engineer
Parsippany, New Jersey, United States
$132k-$182k/yr OnsiteFull Time
8+ YOEBachelor’s degree in Computer Science, Finance, Information Systems, or related fields; 8+ years IT experience; 3+ years FP&A/Group Consolidation domain; 2+ years SAP Analytics Cloud for Planning; 2+ years SAC architecture and reporting.
SAP Analytics Cloud, SAP Cloud Connector, SAML 2.0 SSO, JavaScript, Data Actions, RBAC, DAC, Advanced Formulas
6d
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Senior QA Engineer (Manual / Automation) - Business and Technology Insights
Irving or Stamford
$72k-$100k/yr HybridFull Time
5+ YOE5+ years in software QA with manual and automation testing; UI/API/DB automation; Playwright/Jenkins; Agile/Scrum.
Playwright, JavaScript, Jira, Jenkins, Git, SQL, JUnit, TestNG, Cucumber, Appium, Postman, Xray, AIO
3w
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Strategic Solutions Engineer - Northeast Corridor (Newark, New Jersey, US)
Newark, New Jersey, United States
$128k-$160k/yr OnsiteFull Time
3+ YOE3 years in observability; bachelor's degree in CS or related field; travel up to 30%
HTML, CSS, JavaScript, Java, .NET, PHP, Go, Node.js, Databases, Windows, Linux, AWS, Azure, GCP, Containers, Kubernetes/OpenShift, Serverless, CI/CD, Ansible, Puppet, Terraform
1w
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Senior Lead Software Engineer, Full Stack (Solution Architect)
Plano or McLean or Richmond or New York
$209k-$239k/yr OnsiteFull Time
6+ YOELead solutions architecture across multi-platform systems; cloud experience (AWS/Azure/GCP); strong stakeholder collaboration and architectural governance.
AWS, Google Cloud, Microsoft Azure, JavaScript, TypeScript, SQL, Python, Open Source Frameworks
2mo
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Senior Digital Engineer / Senior Application Analyst
Elmsford, New York, United States
$116k-$145k/yr OnsiteFull Time
3+ YOEBachelor’s degree and 3–5 years in healthcare IT; strong API, web tech, and Epic/non-Epic experience; Epic certification preferred.
APIs, Interoperability (HL7, CDA, FHIR, XDS.b), HTML, CSS, JavaScript, Java, .NET, Python, Database querying, Certificate management, Monitoring, Logging, Web services, Epic platforms, HL7, FHIR, CDA, XDS.b
2w
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Technology Consultant 2
Jersey City, New Jersey, United States
$82k-$127k/yr OnsiteFull Time
Full-stack Java development with Java, Spring Boot, Hibernate/JPA; strong front-end (HTML5, CSS3, JavaScript, React/Angular/Vue); REST APIs; SQL/NoSQL (MySQL, PostgreSQL, MongoDB); Git; CI/CD; cloud platforms (AWS/Azure/GCP); Agile/Scrum; strong problem-solving and communication
Java, Spring Boot, Hibernate, JPA, HTML5, CSS3, JavaScript, React, Angular, Vue.js, REST, SQL, NoSQL, MySQL, PostgreSQL, MongoDB, Git, CI/CD, AWS, Azure, GCP, Agile
1mo
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Intern, Information Systems (Port Washington, NY, US, 11050)
Port Washington, New York, United States
OnsiteInternship
0+ YOEAssist in specification, design, development, and maintenance of information systems; analyze data; support IT projects; proficient in PHP/Laravel, Python, JavaScript, SQL, Git.
PHP (Laravel), Python, JavaScript, SQL, Git, Microsoft Teams/SharePoint, PowerApps, JIRA, Confluence, Data visualization
4w
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Dynamics CRM Technical Architect (58511)
Providence or Hamden or North Andover or Wayne or Garden City
$148k-$180k/yr RemoteFull Time
8+ YOE8+ years architecture, development, and leadership in Dynamics CRM and Power Platform; strong C#, .NET, JavaScript; Azure services; Agile experience.
Dynamics CRM, Power Platform, Azure, CI/CD, GitHub, Visio, Confluence, SharePoint, APIs, Dataverse, Logic Apps, Service Bus, Functions, Workflows, Power Automate
2w
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Project Employee, Workflow Development
Secaucus, New Jersey, United States
$25/hr HybridFull Time
0+ YOEBachelor’s degree required; advanced Excel/Google Sheets; data analysis; programming knowledge (Google Apps Script, Python, VBA, JavaScript); ability to handle confidential data; strong communication and organization.
Microsoft Excel, Google Sheets, Google Apps Script, Python, VBA, JavaScript
6d
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NBC News Technology Internships – Academic Year
New York, New York, United States
$30/hr OnsiteInternship
Actively enrolled in a degree program; sophomore or higher; US work authorization; 16-24 hours/week; willing to work in New York, NY.
HTML, CSS, JavaScript, GraphQL, React.js, Sass, PostCSS, LESS, D3.js, Figma, Sketch, Adobe Illustrator, PowerBI, Tableau
1mo
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Software Engineering Advisor - Hybrid
Raleigh or Austin or Bloomfield or Denver or Bloomington or Morris Plains or Plano
$112k-$186k/yr HybridFull Time
8+ YOE8+ years in software automation testing; 3+ years in Agile; automation tools Selenium, Cucumber, Java, Cypress, Robot Framework (Python); OO programming; relational databases; GitHub; strong communication.
Selenium, Cucumber, Java, Cypress, Robot Framework (Python), GitHub, Object-Oriented Programming, Relational Databases, JavaScript, TypeScript, AWS, DynamoDB, S3, Lambda, Pega
1w
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Directors, Software Engineering
New York, New York, United States
$172k-$256k/yr HybridFull Time
5+ YOE3+ MgmtBachelor's degree in Computer Science/Engineering/Information Systems or related field plus 5+ years in technical design, cloud delivery, and software engineering; 2+ years cloud tech; telecommuting up to 2 days/week.
HTML, Java, JavaScript, SOAP, Web Services, XML, API, Rally, Confluence, Clarity, ETL, Oracle, REST, SOA, SQL, Data Modeling, Cloud-based technologies
4w
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SEO, Basic Web development, Content Marketing & Social Media Job
Parsippany-Troy Hills, New Jersey, United States
HybridMultiple Commitments Available
2+ YOEExperience in SEO, keyword research, metadata optimization, link building, web analytics; WordPress or CMS familiarity; HTML/CSS/JavaScript basics; Google Analytics/Tag Manager; social media and content marketing; ability to perform technical audits.
WordPress, Google Search Console, Google Analytics, Adobe Analytics, SEMrush, Ahrefs, Google Tag Manager, HTML, CSS, JavaScript
2w
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Director Product Development
Secaucus, New Jersey, United States
$153k-$256k/yr OnsiteFull Time
10+ YOE10+ Mgmt10+ years managing technical staff; 8+ years software development; BS in CS; 5+ years with 3rd party/offshore teams; cloud, microservices, DevOps, Agile; strong leadership and communication.
Java, Python, .Net, JavaScript, Angular, Typescript, Cloud, Kubernetes, Docker, Helm, Git, Azure DevOps, Terraform, Ansible, SonarQube
1mo
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Enterprise Solutions Sr Director
Purchase, New York, United States
HybridAll Commitments Available
12+ YOE5+ Mgmt10-15+ years IT, 7+ years ServiceNow architecture/development/administration; strong leadership and stakeholder management; program management and governance.
ServiceNow, REST APIs, SOAP APIs, MID Server, ITSM, ITOM, HRSD, CSM, GRC, Flow Designer, Service Portal, JavaScript, AngularJS, Glide APIs
1mo
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Digital Designer (NY)
West Point, New York, United States
$60k-$70k/yr HybridFull Time
3+ YOE3-5 years in digital design/development; HTML/CSS/JS; WordPress; Adobe Creative Suite; email marketing; bachelor's preferred.
HTML, CSS, JavaScript, WordPress, Adobe Creative Suite, Email marketing platforms
HiringCafe market data
Javascript Developer Jobs market signals in Cornwall, NY, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
130+
Hiring companies
75
Fresh sample
62% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
Mitsubishi UFJ Financial GroupState StreetSynchronyValitanaClever DevicesEYNBAThe Cigna Group
Work location mix in visible results
Hybrid: 26Onsite: 20Remote: 4