34 web application engineer jobs at 20 companies in Radnor, PA
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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
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
1w
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Application Developer - JavaScript
Vienna or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years developing web applications with JavaScript; TypeScript and web framework experience preferred. Bachelor's degree in CS/engineering/math/GIS. Familiarity with digital cartography, EM visualization, code management, and CI/CD.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, ArcGIS Experience Builder, React, Angular, Svelte, Vue, WebGL, CI/CD
2d
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Web Infrastructure Operations Engineer, AVP
Princeton, New Jersey, United States
$100k-$168k/yr OnsiteFull Time
Provide L3 support for web application infrastructure, lead ITIL processes, manage vulnerability remediation/patching, and implement automation using scripting and IaC.
IBM WebSphere NDM, IBM HTTPD Server, JBoss, JBCS, OHS, Weblogic, Microsoft IIS, Tomcat, AWS, Azure, Google, NGINX, SSL, SSH, Shell Scripting, Python, Ansible Core, Ansible Tower, Terraform
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
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Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
2+ YOEBachelor's and 2+ years' experience required. Develop, deploy, and maintain pathology software, data pipelines, and AI-enabled tools; experience with Python, Next.JS, electron, web apps, databases, APIs, and version control; strong analytical and communication skills.
Python, Next.JS, electron
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Manager, Web Applications Technology
Princeton, New Jersey, United States
$140k-$169k/yr OnsiteFull Time
Experience supervising application development, applying secure coding practices, conducting test code reviews, designing monitoring tools, and improving agile application lifecycle practices.
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Field Service Engineer I
Philadelphia or New Jersey or United States
$66k-$99k/yr FieldFull Time
4+ YOEAssociate's/Bachelor's in engineering or equivalent military/GE program, or HS + 4 years servicing electronic equipment; experience with electrical systems; valid driver's license; web application and Microsoft Office familiarity; available for on-call and regional travel.
Web applications, Microsoft Office
1d
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Summer 2027 - Information Technology Application Specialist Intern - Lehigh Valley (PA)
Center Valley, Pennsylvania, United States
OnsiteInternship
Pursuing a bachelor's degree in Computer Science, Software Engineering, Software Development, Web Science, or Mathematics; minimum 3.20 GPA; rising junior, senior, or master's student; U.S. work authorization.
2d
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Full Stack Software Engineer
Austin or Philadelphia
$100k-$130k/yr RemoteFull Time
2+ YOE2–4 years software engineering experience; full‑stack skills with React, TypeScript, Python/Django; experience shipping web applications, writing tests, and collaborating across product and design.
Python, Django, Pandas, React, TypeScript, @material-ui/core, PostgreSQL, Docker, Docker Compose, Google App Engine
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
2mo
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Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay: A fast-growing payments and commerce technology delivering secure solutions globally.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
1mo
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Software Engineer
Philadelphia or United States or Canada
$86k/yr RemoteFull Time
Design, build, and test web applications; contribute to full-stack development, CI/CD workflows, and data ingestion pipelines; write maintainable, testable code; legal right to work in the US or Canada required.
CI/CD
1mo
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Senior Full Stack Engineer
Broomall, Pennsylvania, United States
$150k-$175k/yr RemoteFull Time
7+ YOERequires 7+ years of software development experience with C#, .NET Framework, SQL Server, and full-stack web applications; experience with ASP.NET Web Forms, Angular, TypeScript/JavaScript, Azure, and deployment tools.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, Jenkins, Terraform, Terragrunt, HTML, CSS
3w
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Senior QA Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years QA experience for backend/platform/cloud/web applications; strong manual testing, test strategy, defect management; automation with Python/Pytest/Playwright/Selenium; API, Linux, Docker, SQL, Jira/Confluence experience.
Python, Pytest, Playwright, Selenium, Postman, Swagger/OpenAPI, Docker, Keycloak, Jira, Confluence, TestRail, Zephyr, Xray, PostgreSQL, Bash, Ansible
3w
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Software Developer II
New York or Clifton Park or Cincinnati or Philadelphia or Milwaukee or Columbus
OnsiteFull Time
7+ YOE7+ years developing web applications with C#/.NET, Angular, SQL Server; bachelor’s degree or equivalent; experience with Agile, Azure DevOps, Visual Studio; strong communication and troubleshooting skills.
.NET Framework, .NET Core, Microsoft SQL Server, Angular, MVC, Blazor, Azure DevOps, JAMS Enterprise Scheduler, Visual Studio, Git, Microsoft Office Suite, Adobe Acrobat, C#, jQuery
4w
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Senior Software Engineer-phila.gov
Philadelphia, Pennsylvania, United States
$85k-$95k/yr OnsiteFull Time
3+ YOE3+ years building modern web applications; experience with SQL/Postgres, cloud infrastructure (AWS), component-based frontend frameworks (Vue.js or similar); strong testing, code review, and collaboration skills; bachelor’s degree or equivalent preferred.
SQL, Postgres, Vuejs, AWS, GitHub, Directus, PhilaUI, WordPress
2mo
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
3+ YOEBS in CS or related, 3+ years developing production applications, proficiency in Python, C#, and/or Java, TypeScript/web experience preferred, strong collaboration and communication skills.
Python, C#, Java, TypeScript
2mo
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
3+ YOEBS in CS or related, 3+ years developing and supporting production applications, strong proficiency in Python, C#, and/or Java; TypeScript and web experience preferred; strong collaboration and communication skills.
Python, C#, Java, TypeScript
2mo
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
3+ YOEBachelors in a technical major, 3+ years developing and supporting production applications, strong proficiency in Python, C#, and/or Java; Typescript and web experience preferred; strong communication and cross-functional collaboration skills.
Python, C#, Java, Typescript
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