37 javascript web developer jobs at 23 companies in Allentown, PA
5d
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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
6d
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
1mo
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Sr. Web Developer
Easton, Pennsylvania, United States
OnsiteFull Time
8+ YOEBachelor's in CS/IS, 8+ years web application development experience with ASP.NET/.NET Core, Web API, front-end JavaScript frameworks, SQL Server, Azure DevOps; Sitefinity CMS or CMS experience; leadership and communication skills.
Sitefinity CMS, ASP.NET, .NET Core, Web API, AngularJS, Bootstrap, SQL Server, Azure DevOps, GitLab, Azure Foundry AI, NIST CSF
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
2mo
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Web Developer (React / WordPress - In-Office Philadelphia Suburbs)
Elkins Park, Pennsylvania, United States
$60k-$70k/yr OnsiteFull Time
Proficiency in React, JavaScript, HTML/CSS; WordPress with ACF; headless CMS; REST/GraphQL; translate designs; collaborate across teams.
React, JavaScript, HTML/CSS, WordPress, Advanced Custom Fields, headless CMS, Gatsby, Astro, REST, GraphQL, TailwindCSS, Cursor, Claude Code
3w
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Web Application Developer, Jewish Studies (Temporary, Part-Time)
Philadelphia, Pennsylvania, United States
$7-$55/hr OnsitePart Time
2+ YOEBachelor's degree with 2+ years related experience; full‑stack development with HTML5,CSS,AJAX,JavaScript/jQuery,Python,Django,React; unit testing and Git; strong communication and ability to work 9am-5pm ET.
HTML5, CSS, AJAX, JavaScript, jQuery, Python, Django, React, Git
2mo
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Sr. Specialist, Content & Digital Experience Capabilities - Web Product and Analytics Engineer
Princeton, New Jersey, United States
$78k-$95k/yr HybridFull Time
2+ YOEBachelors or Masters in CS/Engineering, 2+ years software development in agile environments, hands-on AEM stack (Java, OSGi, Apache Sling, JCR), frontend (HTL, HTML, CSS, JavaScript), modern frameworks, CI/CD, and product-oriented experience.
Java, OSGi, Apache Sling, JCR, HTL (Sightly), HTML, CSS, JavaScript, React, Angular, Vue, Adobe Experience Manager (AEM), Adobe Analytics, GraphQL, AWS, Azure, GCP, Docker, Kubernetes, CI/CD, CDN, DNS, Web Application Firewall
6d
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Software Engineer, TypeScript/React
Philadelphia or New York City
$93k-$168k/yr OnsiteFull Time
2+ YOE2+ years web development with JavaScript/TypeScript and React, bachelor's degree or equivalent, strong UI development, API integration, and collaboration skills.
JavaScript, TypeScript, React, Redux
1d
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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
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
2w
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Senior Software Engineer
New York City or Bethlehem or Holmdel
$95k-$156k/yr HybridFull Time
4+ YOE4+ years building public-facing web applications; advanced JavaScript/TypeScript and modern frameworks; API and microservices experience; strong problem-solving and security awareness.
JavaScript, TypeScript, Node, React, Next, NestJS, Jest, REST, GraphQL, Redis, HTML, CSS, AWS, CI/CD, OWASP
1d
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(Tech-BAIN) Senior Full Stack Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years software development experience; strong Go (Golang) required; experience building large-scale services, web integrations, REST/GraphQL/gRPC, relational and NoSQL databases; proficiency with JavaScript/Typescript, HTML5/CSS3; BA preferred.
Go (Golang), REST, GraphQL, gRPC, PostgreSQL, Redis, JavaScript, Typescript, HTML5, CSS3
1w
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.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
3+ YOE3+ years .NET development experience; proficiency with C#, ASP.NET Core/MVC/Web API, Microsoft SQL Server, secure coding and HIPAA compliance; strong communication and problem-solving skills.
C#, ASP.NET Core, Razor Pages, MVC, Web API, HTML, CSS, JavaScript, Microsoft SQL Server, Git, Azure DevOps, Azure Boards, ASP.NET Core Identity, Azure AD (Entra ID), RESTful APIs
1mo
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Salesforce Software Engineer
Pennsylvania or Florida or Dresher
RemoteFull Time
2+ YOEMinimum 2 years software engineering experience with Salesforce Service Cloud; knowledge of Lightning Web Components, Apex, JavaScript/jQuery, integrations, CI/CD, Agile/Scrum, automated testing, and strong communication skills.
Salesforce, Salesforce Service Cloud, Lightning Web Components, Apex, JavaScript, jQuery, JS Frameworks, Agile, Scrum, Continuous Integration, Continuous Delivery
2mo
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Sr. Specialist, Content & Digital Experience Capabilities - Web Product and Analytics Engineer
Princeton, New Jersey, United States
$78k-$95k/yr OnsiteFull Time
2+ YOE3-4 years software development in agile; 2-4 years experience; strong AEM, frontend (React/Angular/Vue), Java, HTL, HTML/CSS, JavaScript; CI/CD; DevOps; AI integrations.
Adobe Experience Manager (AEM), Java, OSGi, Apache Sling, JCR, HTL, HTML, CSS, JavaScript, React, Angular, Vue, CI/CD, Docker, Kubernetes
4w
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Senior Software Engineer (Top Secret Clearance)
King of Prussia, Pennsylvania, United States
$93k-$164k/yr OnsiteFull Time
Active US Top Secret clearance (investigation or CV within 5 years), proficiency in Java/C#/Python/JavaScript/TypeScript, web stack (HTML5/CSS3, modern JS frameworks), CI/CD, containerization, Git, Scrum experience, and US citizenship.
Java, C#, Python, JavaScript, TypeScript, HTML5, CSS3, React, Angular, Vue, Jenkins, GitLab CI, Azure DevOps, Docker, Kubernetes, Git, Helm, AWS, Azure, Openstack, Openshift, Horizon
2w
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Software Engineer I - Java/Hybrid, Bala Cynwyd, PA
Bala Cynwyd, Pennsylvania, United States
$55k-$68k/yr HybridFull Time
0+ YOEBachelor's in CS/IT/Engineering/MIS required,0-2 years development experience,experience with Java,OOP,data structures,web development,SQL,GIT and familiarity with Agile,CI/CD and cloud concepts.
Java, IntelliJ IDEA, Eclipse, JavaScript, HTML, CSS, React, Microsoft SQL Server, Oracle, MySQL, PostgreSQL, Git, GitHub Copilot, Cursor, ServiceNow, Jira, Microsoft Azure DevOps, Amazon Web Services (AWS), Microsoft Azure, CI/CD, DevOps
1mo
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UI/UX Front End Developer
Miami or Delaware or Atlanta or Philadelphia or Austin or Houston or Dallas or Miramar or Salt Lake City or Phoenix or Charlotte
HybridFull Time
5+ YOE5+ years frontend development with UI/UX responsibility; expertise in React and TypeScript; portfolio of web/app design; experience with design systems, accessibility (WCAG), testing, CI/CD, and cloud deployments.
Figma, Sketch, Adobe XD, React, TypeScript, JavaScript, HTML5, CSS3, Vue, Angular, Svelte, Next.js, Vite, Webpack, Jest, Vitest, Playwright, Cypress, OpenAPI/Swagger, REST APIs, Git, Azure DevOps, Microsoft 365, Teams, Azure, AWS, GCP, Docker
4w
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Full Stack Engineer
Broomall, Pennsylvania, United States
$100k-$120k/yr RemoteFull Time
3+ YOE3+ years professional software development with C#/.NET and SQL Server; experience with ASP.NET Web Forms, Angular, TypeScript/JavaScript; exposure to .NET Core and Azure; strong communication and problem-solving; US work authorization required.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, Azure Devops, Terraform, Terragrunt, HTML, CSS
22h
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Python Full Stack Developer
Boston or Princeton
$76k-$120k/yr OnsiteFull Time
Bachelor's degree (or equivalent experience). Experience building Python/React web applications, RESTful APIs (FastAPI/Flask/Django), strong SQL/RDBMS skills; testing, code review, and communication skills; authorized to work in the US.
Python, React JS, FastAPI, Flask, Django, JavaScript, SQL, Oracle, PostgreSQL, MySQL, SQL Server, Agentic AI
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