43 javascript developer jobs at 26 companies in Riverhead, NY
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
1w
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Software Development Engineer III
Bethpage or Plano
$134k-$220k/yr HybridFull Time
7+ YOEBachelor's in computer science, 7+ years software development, proficiency in Python, JavaScript, GIT, NodeJS; experience with AI/ML, Google Cloud, and conversational AI preferred.
Python, JavaScript, GIT, NodeJS, Code Blocks, Google CES, Google Cloud, Dialogflow
1mo
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Senior Software Engineer
Lindenhurst, New York, United States
RemoteFull Time
6+ YOE6+ years software development experience, Bachelor's degree or 4 years' experience, strong communication and problem-solving, knowledge of DICOM/HL7 a plus, proficiency with JavaScript (node.js, vue.js, nuxt.js), C#, SQL, PHP, GIT, HTML/CSS.
JavaScript, node.js, vue.js, nuxt.js, C#, SQL, MSSQL, MySQL, Oracle, PHP, GIT, HTML, CSS, DICOM, HL7
3mo
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Senior Full Stack Developer
Milford, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years full-stack development experience; bachelor\u0002s degree or equivalent; strong AWS, Node.js, PHP, Python, REST API, relational and NoSQL database, front-end (HTML5/CSS3/JavaScript), Git and CI/CD skills; strong communication.
AWS, EC2, S3, Lambda, RDS, CloudFormation, Node.js, Express.js, npm, PHP, Laravel, Symfony, Python, MySQL, PostgreSQL, NoSQL, HTML5, CSS3, JavaScript, Git, CI/CD, Docker, Kubernetes, Salesforce Apex
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Full Stack Software Engineer (Python)
Irving or Stamford
$74k-$116k/yr HybridFull Time
2+ YOEBachelor's in Computer Science or related,2+ years full-stack software development, strong Python knowledge, experience with Django/Flask, HTML/CSS/JavaScript/jQuery, relational SQL databases, and AWS or ReactJs.
Python, Django, Flask, HTML, CSS, JavaScript, jQuery, AWS, ReactJs, SQLServer, MySQL, PostgreSQL, HTTP, SOAP, REST, XML, JSON
1mo
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Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
2+ YOE2–5 years software engineering experience; proficiency with JavaScript, Node.js, ReactJS, and React Native; knowledge of REST APIs, databases, OOP, and version control; strong problem-solving and collaboration skills; bachelor's degree or equivalent.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
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Software Engineer, Advanced
Holtsville, New York, United States
$123k-$184k/yr HybridFull Time
8+ YOEBachelor's in CS or related,8+ years' relevant experience (5+ with advanced degree),proficiency with C#,JavaScript,jQuery,SQL Server,strong system design and leadership skills.
C#, JavaScript, jQuery, SQL Server
1w
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Sr. Automation Test Engineer
Wilton, Connecticut, United States
HybridFull Time
9+ YOERequires 9 years testing/development experience, bachelor\u0002s in CS/Electronics or related, proficiency in Python/Java/JavaScript/SQL, UI and REST API automation, TestNG/JUnit/NUnit, Selenium/WebDriver, Git, TestRail, Agile/DevOps/CI-CD experience, Salesforce Admin cert.
Python, Java, JavaScript, SQL, TestNG, JUnit, NUnit, GIT, Selenium, WebDriver, TestRail
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
1d
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Sr. Software Engineer Web
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
6+ YOE6–9 years of professional software engineering experience; JavaScript, Node.js, ReactJS, React Native, REST APIs, databases, version control, testing, and software architecture knowledge. Bachelor's degree or equivalent experience.
JavaScript, Node.js, ReactJS, React Native, REST APIs, CI/CD
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Pega Developer
Stamford, Connecticut, United States
$100k-$125k/yr OnsiteFull Time
8+ YOE7+ years Pega development experience with PEGA CLSA/CSSA, Oracle SQL, JavaScript, Java, HTML, CSS3, SOAP, REST/JSON, XML, and Pega Cosmos; experience with enterprise Pega apps and integrations.
PEGA CLSA/CSSA, Oracle SQL, JavaScript, Java, HTML, CSS3, SOAP, REST/JSON, XML, UI/COSMOS, PEGA LSA/CSSA, Pega Cosmos
1mo
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Middle Office Software Developer
Norwalk or Rowayton
$115k-$200k/yr OnsiteFull Time
5+ YOEBachelor's in computer science, 5+ years software development in financial services, experience with C#, Windows and web frameworks, SQL Server, messaging/SOA/APIs, Agile and unit/integration testing.
C#, Windows Forms, WPF, ASP.NET MVC, Angular, JavaScript, Web API, SQL Server, MOM, SOA, APIs, Agile, Coding agents and AI-assisted development tools
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Lead Software Engineer
Shelton or Indiana or Ohio or Louisiana or Iowa or New Hampshire or Delaware or North Carolina or Utah or Montana or Oklahoma or Virginia or Arkansas or Alabama or Missouri or Pittsburgh or Nevada or San Antonio or Tampa or St. Petersburg or Mississippi or Orlando or Tennessee or New Mexico or Kansas or Florida or Maitland or Phoenix or Idaho or West Virginia or Maine or Pennsylvania or Nebraska or South Carolina or Georgia or Wisconsin or Texas or Gilbert or Sunrise or Port St. Lucie or Kentucky or Dallas
HybridFull Time
7+ YOE7+ years C#/.NET development experience, bachelor's in CS or related, strong OOP and design patterns, SQL Server and Azure experience, DevOps and source control familiarity.
.NET Framework, .NET Standard, .NET Core, .NET 9, .NET, C#, Blazor, Razor Pages, ASP.NET WebForms, WCF, Worker Services, JavaScript, Microsoft SQL Server, Microsoft Azure, CI/CD, Git, Microsoft Azure DevOps, Jira, Confluence
1mo
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Testing and Automation Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
5+ YOE5+ years in software testing/automation, proficiency with automation frameworks (Selenium, Cypress, Playwright, REST-assured, Postman), ability to write/debug test code (Java, JavaScript/TypeScript, Python, C#), CI/CD and API knowledge, AI-assisted testing experience.
Selenium, Cypress, Playwright, REST-assured, Postman, Azure DevOps, Java, JavaScript, TypeScript, Python, C#
2d
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Software Engineer II-Hybrid Role
Greenwich, Connecticut, United States
HybridFull Time
2+ YOERequires 2–4 years of software development experience, a bachelor's degree or equivalent, proficiency in a core language/framework, RESTful APIs, relational databases, Git/GitHub, and strong analytical skills.
PHP, Laravel, Nova, Apiato, Java, C#, Python, Go, C++, JavaScript, React, Angular, jQuery, HTML5, CSS3, LESS, SASS, Material Design, Kotlin, Swift, Objective-C, React Native, Flutter, Retrofit, OkHttp, Firebase, MySQL, Oracle, Firebird, Amazon Web Services (AWS), Git, GitHub, Docker, Kubernetes, TensorFlow, PyTorch, scikit-learn, JIRA, Confluence, Crashlytics, New Relic, Azure, GCP, TDES, DUKPT, PAX, AMP, Magtek
1mo
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3, state management (Zustand/Redux/Context API), testing (Jest/React Testing Library), RESTful APIs, Microsoft Azure/Azure DevOps, CI/CD, module federation/micro frontends, performance, security, and accessibility.
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
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AI Engineer Intern
Islandia, New York, United States
OnsiteFull Time, Internship
Pursuing or graduated in CS/Software/IT/Data Science/AI; proficiency in Python, JavaScript, HTML, CSS, Git; knowledge of web architecture, OOP, debugging, and AI concepts.
Python, JavaScript, HTML, CSS, Git, REST APIs, Large Language Models (LLMs), Azure AI Services, Azure, AWS, Google Cloud
1mo
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3; experience with Material-UI, Styled Component, Webpack/Rollup, Storybook, React-Router-Dom, state management (Zustand/Redux/Context API), custom hooks, Jest/React Testing Library, RESTful APIs, Microsoft Azure and Azure DevOps, CI/CD, module federation and micro frontend arc...
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, DOM, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
3d
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Advisor, Web Development (P3)
Fairfield or Washington or Lexington or United States
$75k-$103k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience and 5+ years relevant experience. Requires HTML5, CSS/SASS, JavaScript, PHP, CMS customization, analytics, version control, troubleshooting, MS Office, and English proficiency.
HTML5, CSS/SASS, JavaScript, PHP, Blackbaud Luminate, Drupal, Adobe Analytics, Adobe Experience Platform, Google Tag Manager, Adobe Target, Git, Microsoft Office
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