71 javascript html developer jobs at 51 companies in Townsend, DE
1d
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Senior Software Developer
Philadelphia or United States
$110k-$135k/yr RemoteFull Time
5+ YOE5+ years professional software development, BS preferred, strong experience with Angular, .NET Core/ASP.NET Core, C#, TypeScript, JavaScript, HTML/CSS, PostgreSQL, API design, OOP and architecture.
Angular, ASP.NET Core, C#, PostgreSQL, TypeScript, JavaScript, HTML/CSS
1w
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API Developer (Senior)
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEBachelor's in CS or related field (or 5 years' equivalent),3+ years computer experience,1+ year web/app development experience; knowledge of HTML,CGI,PERL,Javascript,Java,cloud and Salesforce.
HTML, CGI, PERL, Javascript, Java, Salesforce
1w
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Engineer
Malvern, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
10+ YOEStrong React, HTML, CSS, JavaScript/TypeScript, GitHub, CI/CD, and automated testing (Playwright); 10+ years experience; bachelor in computer science required.
CSS, HTML, React, JavaScript, TypeScript, GitHub, CI/CD, Playwright
2d
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Junior Developer - Contract
Philadelphia, Pennsylvania, United States
OnsiteContract
Proficiency in Next.js and React Native for web, basic PHP, CMS experience (Directus, WordPress), Git workflow, HTML/CSS/JavaScript, strong communication and collaboration skills.
Next.js, React Native, PHP, Laravel, Directus, WordPress, Git, GitHub, GitLab, Bitbucket, HTML, CSS, JavaScript, RESTful APIs, GraphQL, MySQL, PostgreSQL, CI/CD, AWS, Azure, GCP
2w
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Engineer 3, Software Development & Engineering-6435
Philadelphia, Pennsylvania, United States
HybridFull Time
2+ YOEBachelor's in CS/Engineering,2 years ServiceNow development/admin experience; proficiency with JavaScript,SQL,HTML,AJAX,CSS; REST and Scripted REST APIs; ACL configuration; ITIL; MID server setup; migrating update sets.
ServiceNow, JavaScript, SQL, HTML, AJAX, CSS, REST APIs, Scripted REST APIs, MID servers, ITIL
6d
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Principal Digital Experience Web Developer
Philadelphia, Pennsylvania, United States
HybridFull Time
8+ YOEBachelor's or equivalent, 8+ years web/app architecture and front-end development; expertise in React, JavaScript/TypeScript, HTML, CSS, Figma, Azure, CMS/headless CMS, microfrontends, SDLC and CI/CD; provides on-call support.
React, JavaScript, TypeScript, HTML, CSS, Figma, Azure, CI/CD
3w
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Senior Drupal Engineer (NCS) - BCIT
Baltimore, Maryland, United States
$87k-$140k/yr OnsiteFull Time
3+ YOEBachelor's degree and 3+ years Drupal development experience; PHP, Drupal theming, HTML/CSS/JavaScript/Twig, Git and CI (Jenkins); Drupal site architecture, custom modules, and migration experience preferred.
Drupal, PHP, HTML, CSS, JavaScript, Twig, Git, Jenkins, Symfony, React, Angular
3w
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Senior Software Developer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOEBachelor's in information systems, 3+ years related experience, advanced knowledge of ASP.NET,C#,SQL Server,HTML,XML,JavaScript,Java,Symitar,PowerOn, strong communication and multitasking skills.
ASP.NET, C#, SQL Server, HTML, XML, JavaScript, Java, Symitar, PowerOn
3w
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Full Stack Web Developer
Boothwyn, Pennsylvania, United States
HybridFull Time
2+ YOE2+ years Adobe Commerce development experience, working knowledge of PHP/JavaScript/HTML/CSS/Node.js/SQL, Ubuntu/Linux comfort, bachelor’s degree in computer science or equivalent, strong problem-solving and communication skills.
PHP, HTML, CSS, JavaScript, Node.js, SQL, Adobe Commerce, Adobe App Builder, Linux, Ubuntu, Microsoft SQL Server, MySQL, Claude.ai
3w
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Software Developer (.NET/C#) – NAVSUP Programs
Philadelphia, Pennsylvania, United States
HybridFull Time
0+ YOEBachelor's in CS/IT/SE, active or obtainable Secret clearance, 0–4 years development experience, proficiency with C#, ASP.NET MVC, SQL Server, HTML, JavaScript, REST/Web Services, OOP, relational DBs, troubleshooting, and Agile teamwork.
C#, ASP.NET, MVC, SQL Server, HTML, JavaScript, REST APIs, Web Services, WebRoR, EFTS, SCIP, VersionOne, Azure DevOps, Jira
3mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
3w
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Web Application Developer, Maryland Coordination and Analysis Center
Baltimore, Maryland, United States
$110k-$125k/yr OnsiteFull Time
3+ YOEBachelor's degree (or equivalent experience),3+ years developing enterprise web applications; proficiency with C#, ASP.NET Core, Microsoft SQL Server, T-SQL, JavaScript, HTML/CSS; ability to obtain top-secret clearance.
Microsoft Visual Studio, C#, ASP.NET Core, Razor Pages, JavaScript, HTML, CSS, Microsoft SQL Server, T-SQL, jQuery, Bootstrap, Git, Microsoft Internet Information Services (IIS)
2w
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Frontend Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Strong frontend experience with JavaScript, VueJS, Vite, HTML, CSS; experience with REST/OpenAPI, OAuth/SAML, frontend testing, CI/CD, and building data-heavy user interfaces.
JavaScript, VueJS, Vite, HTML, CSS, REST, OpenAPI, OAuth, SAML
1w
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Lead Software Engineer [Multiple Positions Available]
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOEMaster's+5yrs or Bachelor's+7yrs experience as software engineer or related role; experience with ServiceNow, JavaScript, HTML, CSS, Angular JS, REST API, SAP, CI/CD; system design and operational stability expertise.
ServiceNow, JavaScript, HTML, CSS, Angular JS, REST API, SAP, CI/CD
1mo
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SharePoint Developer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOEU.S. citizenship required. 5+ years SharePoint Online development experience, experience with Power Automate and Power Apps, SPFx, JavaScript/TypeScript/HTML/CSS, Microsoft Graph/SharePoint REST APIs, Microsoft 365 knowledge; bachelor’s degree in IT or equivalent experience preferred.
Microsoft SharePoint Online, Microsoft 365, Power Automate, Power Apps, SharePoint Framework (SPFx), JavaScript, TypeScript, HTML, CSS, Microsoft Graph API, SharePoint REST API, Power BI, Dynamics 365, Microsoft Government Community Cloud High (GCCH)
2w
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Web & SQL Developer
Philadelphia, Pennsylvania, United States
$80k-$87k/yr OnsiteFull Time
2+ YOEBachelor's in computer science/MIS or related,2-3 years web/SQL development and HR systems experience,proficiency with HTML,ASP,JavaScript,XML,SQL,PL/SQL,MS Access and reporting tools.
HTML, ASP, XML, C-Sharp, JavaScript, PHP, CSS, PeopleAdmin, Sigma, Scantron, EiS, OBIEE, SQL, PL/SQL, Microsoft VB, Microsoft Access, Active Directory
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1w
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ServiceNow Developer
Radnor, Pennsylvania, United States
$85k-$132k/yr HybridFull Time
1+ YOE1–3 years ServiceNow experience configuring core modules, scripting (JavaScript/XML/HTML/SQL/PowerShell), integrations (SOAP/REST), ITSM knowledge, and strong analytical and communication skills.
ServiceNow, HRSD, Incident, Problem, Change, Service Catalog, JavaScript, XML, HTML, SQL, PowerShell, SOAP, REST, LDAP, Active Directory, ADFS, SSO
1mo
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Senior AEM Developer
Philadelphia, Pennsylvania, United States
$125k-$135k/yr OnsiteFull Time
7+ YOEBachelor's in CS/Engineering; 7–8+ years hands-on AEM experience; strong Java/Servlets/OSGi/Sling expertise; HTML5, CSS3, JavaScript/TypeScript; React and Next.js for headless AEM; GraphQL and CI/CD experience.
Adobe Experience Manager (AEM), AEM Headless, AEM SPA Editor, Content Services, GraphQL, React, Next.js, Java, Servlets, OSGi, Sling Models, Sling, HTML5, CSS3, JavaScript, TypeScript, Java Content Repository (JCR), Oak, Dispatcher, Adobe Marketing Cloud, Adobe Analytics, Adobe Target, Akamai, Git, Azure DevOps, GitHub Actions
1mo
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Service Now Developer
Radnor or Berwyn
$85k-$132k/yr HybridFull Time
1+ YOE1–3 years ServiceNow experience; configure core ITSM modules; scripting (JavaScript, XML, HTML, SQL, PowerShell); integrations (SOAP/REST); knowledge of ITSM/ITIL; strong analytical and communication skills; participate in on-call rotation.
ServiceNow, JavaScript, XML, HTML, SQL, PowerShell, SOAP, REST, LDAP, Active Directory, ADFS, SSO