9 senior frontend engineer jobs at 5 companies in Lancaster, PA
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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
3d
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Java Engineer
New Castle, Delaware, United States
$80k-$110k/yr OnsiteFull Time
6+ YOE6–8 years of experience building enterprise Angular applications with AG Grid, TypeScript, RxJS, REST APIs, frontend architecture, caching strategies, and performance optimization; bachelor's degree in computer science.
Angular, TypeScript, RxJS, AG Grid, REST, HTTP
2w
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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
4w
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Senior Full Stack Data Engineer
West Chester, Pennsylvania, United States
OnsiteFull Time
7+ YOEBachelor's preferred,5+ years full-stack/data engineering experience (7+ preferred),backend and frontend development,Power BI dashboards,API and microservices,Oracle/Mongo DB,Cloud Foundry,GitHub,ELK,Agile with Jira.
Power BI, Jira, Smartsheet, Java, Python, Node.js, React, Angular, Tailwind CSS, DotNet, REST, API Gateway, Mongo DB, Cloud Foundry, GitHub, GitHub Actions, ELK, Agentic AI, Open Spec SDD
4w
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Engineer
Malvern, Pennsylvania, United States
$120k-$130k/yr OnsiteFull Time
10+ YOEStrong React, HTML, CSS, JavaScript/TypeScript (ES5/ES6), GitHub, CI/CD, and Playwright experience; 10+ years of frontend engineering experience.
React, HTML, CSS, JavaScript, TypeScript, ES5, ES6, GitHub, CI/CD, Playwright
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Java Engineer
New Castle, Delaware, United States
$80k-$95k/yr OnsiteFull Time
6+ YOE6+ years experience building enterprise frontend applications using Angular (v18+), TypeScript, RxJS and AG Grid; strong REST API integration, caching, frontend design patterns, and performance optimization; bachelor in computer science.
Angular (v18+), TypeScript, RxJS, AG Grid (Enterprise), RESTful APIs
4d
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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
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Software Engineer II
Exton or Philadelphia
HybridFull Time
5+ YOE5+ years frontend development with TypeScript and React, experience with 3D/web graphics (Cesium/WebGL/three.js) preferred, testing (Vitest/Jest, Playwright), agile/Scrum, strong communication, graduate degree or equivalent experience.
TypeScript, React, iTwin.js, Cesium, pnpm, Module Federation, Vitest, React Testing Library, Playwright, Jest, Azure DevOps, CI/CD, GitHub, GitHub Copilot, Git, WebGL, three.js
1mo
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Senior Specialist - Software Engineering
Newark, Delaware, United States
$93k-$142k/yr OnsiteFull Time
7+ YOERequires 7–11 years of JavaScript and React experience, with expertise in cloud-native application development, frontend architecture, Agile collaboration, troubleshooting, code reviews, and mentoring developers.
JavaScript, React, cloud-native, Cloud platforms, Continuous integration, Continuous deployment, Agile