26 front end engineer jobs at 19 companies in New Castle, DE
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Frontend Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
10+ YOE10+ years frontend experience with React, JavaScript/TypeScript, HTML5, CSS3, GitHub, CI/CD, and automated testing (Playwright). Bachelor's in Computer Science required.
React, JavaScript, TypeScript, ES5, ES6, HTML5, CSS3, GitHub, CI/CD, Playwright
2w
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Front-End Developer
Miami or Delaware or Atlanta or Philadelphia or Austin or Houston or Dallas or Salt Lake City or Phoenix or Charlotte
HybridFull Time
5+ YOE5+ years software development experience with C#, .NET 10, ASP.NET, SQL Server, DDD, CI/CD (Azure DevOps), PowerShell, containerization (Docker), Linux/Windows; mentoring and enterprise application experience required.
C#, .NET 10, ASP.NET, SQL Server, Entity Framework, Dapper, Azure DevOps, PowerShell, Linux, Windows Server, Docker, React, Python, WebSockets, SignalR, RabbitMQ, Kafka, Azure Service Bus, Git, Blazor Server
4w
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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
4d
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UI/UX Front End Developer
Philadelphia or Ambler or Pune or Medellín
RemoteFull Time
5+ YOERequires 5–7+ years in frontend development, strong Angular, TypeScript, RxJS, HTML5, and CSS/SASS skills, component architecture experience, Git/GitHub, CI/CD, cloud familiarity, and agile experience.
Angular, TypeScript, RxJS, HTML5, CSS, SASS, Git, GitHub, CI/CD, DevOps, RESTful APIs, WCAG
1w
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Sr Staff Fullstack Developer (Frontend focused)
Exton or Boulder or Huntsville or Dayton
$136k-$204k/yr OnsiteFull Time
4+ YOEBachelor's with 8 years, master's with 6, or PhD with 4; front-end and back-end development expertise, cloud deployment, web components, Git, Agile, and testing experience.
HTML5, CSS3, JavaScript, React, Angular, C#, Java, Python, Node.js, Docker, Kubernetes, AWS, Microsoft Azure, Git, Jasmine, Karma, Jest, Vitest, Ansys
1d
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Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Significant production software experience with frontend systems; deep React and TypeScript expertise; full-stack fundamentals; React Native or mobile experience; Figma, design systems, and AI-assisted development experience.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
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Principal Energy Solutions Engineer
Kennett Square, Pennsylvania, United States
$128k-$193k/yr OnsiteFull Time
Bachelor's in engineering or engineering technology required; expert knowledge of energy and distributed energy resource project development; front-end electrical design, cost estimating, stakeholder communication, and project execution experience; domestic travel 25-40%.
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Senior Full Stack Engineer
Broomall or United States
$150k-$175k/yr RemoteFull Time
7+ YOE7+ years professional software development with strong C#/.NET and SQL Server, front-end experience with Angular/TypeScript, Azure and CI/CD tooling experience; bachelor\u0002s preferred; must be US resident; no visa sponsorship.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, HTML, CSS, SQL Server, Azure, Jenkins, Terraform, Terragrunt
1d
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Lead Engineer | Onsite - Delaware
Wilmington or Delaware
$56k-$196k/yr OnsiteFull Time, Contract
Photon: A technology organization developing large-scale web and user-interface platforms.
8+ YOE3+ MgmtRequires 8+ years of front-end engineering and 3+ years as a tech lead, with expert React, Node.js, TypeScript, Webpack, Module Federation, micro-frontends, UI architecture, security, and delivery leadership experience.
React, Node.js, TypeScript, Webpack, Module Federation, Figma, Redux, Context, ARIA, WCAG, OAuth, OIDC, OWASP, Playwright, Sentry, Datadog RUM
2d
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Staff .Net Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
8+ YOERequires 8+ years of software engineering experience, full-stack development, C#, TypeScript, .NET, front-end frameworks, distributed systems, APIs, databases, technical strategy, and CI/CD expertise.
C#, TypeScript, .NET Framework, .NET 5+, Angular, React, Vue, AWS, Azure, Python, HL7, FHIR, EHR, HIPAA, SOC2, CI/CD
3w
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Software Engineer Lead - Angular/Java
Pittsburgh or Philadelphia
OnsiteFull Time
3+ YOEExperience developing Angular front-ends and Java/Spring back-ends, microservices and REST integration, 3+ years' industry experience, strong design, testing, and troubleshooting skills.
Angular, Java, Spring, REST
2mo
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Lead Software Engineer
Camden, New Jersey, United States
$116k-$140k/yr HybridFull Time
8+ YOE8+ years Java, 4+ years AEM, 3+ years cloud, AWS microservices, front-end tech, build tools.
Java, Spring Boot, AEM, AWS, Maven, Gradle, Vue.js, React, jQuery, CSS, HTML5, S3, EC2, Lambda, API Gateway, Docker, GitHub Actions
2w
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Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
Strong C#/.NET Core development skills, front-end framework and JavaScript/TypeScript proficiency, experience with Entity Framework Core, SQL Server, Azure Functions, AI-assisted tools, and test automation.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, MediatR, Fluxor, Polly, Docker, Kubernetes, Artillery, JMeter, K6, Locust, Azure AI Foundry, Azure OpenAI Service, Git, React, Angular, Vue, JavaScript, TypeScript
1d
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Software Engineer Sr - E3
King of Prussia, Pennsylvania, United States
$110k-$205k/yr OnsiteFull Time
3+ YOERequires JavaScript/Node, C#, modern web frameworks, GitLab pipelines, Agile/Scrum, Top Secret clearance with SCI eligibility, and front-end development experience with React or Angular.
JavaScript, Node.js, C#, Angular, React, Vue.js, Ember.js, GitLab, Agile, Jira, Version One, Confluence, RxJS, Redux, MobX, NgRx, Context API, HTML5, CSS3, Sass, TypeScript, Material UI, Ant Design, Bootstrap, Jest, React Testing Library, Karma, Jasmine
1d
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Full-Stack Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
6+ YOERequires 6+ years developing applications on the Microsoft Stack or Java, REST APIs, databases, JavaScript/TypeScript, modern front-end frameworks, AI agents, source control, integrations, and strong communication skills.
Microsoft Stack, Java, RESTful APIs, Swagger, OpenAPI, SQL Server, NoSQL, Azure, AWS, GCP, JavaScript, TypeScript, HTML, CSS, Angular, React, Vue, Bootstrap, Claude Code, CodeX, Opencode, OpenClaude, Git
1mo
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Senior Corporate Website Web Developer (AI-Enabled)
Houston or Wilmington
OnsiteFull Time
Enterprise front-end developer for high-traffic websites with HTML5/CSS3, JavaScript (ES6+), React/Angular/Vue, AEM/CMS experience, AI prompt engineering, Jenkins/GitHub CI integration, Node.js, Webpack, REST APIs, accessibility and performance optimization.
Adobe Experience Manager (AEM), CMS, WCM, JavaScript (ES6+), HTML5, CSS3, SASS, Less, jQuery, TypeScript, React, Angular, Vue, Java (11+), Node.js (16+), Webpack (4/5), Jenkins, GitHub, Figma, RESTful APIs, AJAX, Web Content Accessibility Guidelines (WCAG), AI
3w
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Java fullstack developer
Addison or Charlotte or Newark or Pennington
$76k-$120k/yr OnsiteFull Time
Experience with Core Java, Spring (MVC/Boot), microservices, REST/SOAP, Oracle DB, front-end scripting, cloud platforms; Bachelor's degree or equivalent; authorized to work in the US without sponsorship.
Java, Core Java, J2EE, Spring MVC, Spring Boot, Microservices, REST, SOAP, Oracle Database, Hibernate, JSP, JavaScript, WebSphere, JBoss, AWS, GCP, Azure
1w
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Adobe Edge Delivery Services Engineer
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$59k-$196k/yr OnsiteFull Time
3+ YOERequires 3+ years of software/web and AEM Sites development, 1+ year of Edge Delivery, front-end, and migration experience, plus a bachelor's degree or equivalent work experience.
Adobe Experience Manager (AEM), Adobe Edge Delivery Services, Universal Editor, JavaScript, CSS, Core Web Vitals, Lighthouse, Adobe Firefly, AEM AI Assistant, Adobe GenStudio, Git, Code Sync, aem.livedelivery, CDN, Adobe Assets, Adobe Target, Adobe Analytics, Adobe Experience Platform (AEP), Adobe Campaign, Playwright
2w
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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
2mo
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Sr. Full Stack Software Developer (Camden, NJ, US)
Camden, New Jersey, United States
$120k-$150k/yr OnsiteFull Time
10+ YOESenior-level full-stack developer with 10+ years in enterprise environments; strong C#, .NET, REST, front-end tech, SQL Server, security, and architecture leadership.
C#, NET Core, NET Framework, REST, Blazor, HTML5, CSS3, JavaScript, Bootstrap, SQL Server, OAuth2, OIDC, Azure AD/Entra ID, Git, CI/CD, Docker, CQRS
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