120 javascript typescript jobs at 53 companies in Bensalem, PA
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Javascript - Senior Developers - AI Training - Philadelphia, USA
Philadelphia, Pennsylvania, United States
$50/hrRemoteContract
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, ability to solve LeetCode Medium–Hard, deep knowledge of event loop, closures, prototypal inheritance, async patterns, and strong code quality.
St. Louis or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or Vienna
$84k-$141k/yrOnsiteFull Time
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years developing web applications with JavaScript; TypeScript preferred. Experience with modern web frameworks, CI/CD, foundational cartography or visualization knowledge, bachelor's degree required.
Guardian Life: Provides life, disability, dental, and vision insurance products.
4+ YOE4+ years building public-facing web applications; advanced JavaScript/TypeScript and modern frameworks; API and microservices experience; strong problem-solving and security awareness.
ElsevierLondon Stock Exchange: REL: Provides scientific, technical, and medical research information and analytics.
Design, develop, and maintain automated test frameworks using Selenium or Playwright; RESTful API testing; CI/CD/AWS; TDD; accessibility and performance testing; JavaScript/TypeScript.
Susquehanna International Group: Global quantitative trading and market making firm.
3+ YOE3+ years software development; BS or MS in Computer Science, Computer Engineering or similar; proficient in Python and JavaScript/TypeScript; experience with C++ and React; visa sponsorship available.
RELXLondon Stock Exchange: REL: Provides information-based analytics and decision tools for professional customers.
Design, develop, and maintain automated test frameworks; REST API testing; CI/CD/AWS; JavaScript/TypeScript; Selenium or Playwright; TDD; accessibility; performance/load testing.
Vanguard: Provides mutual funds, ETFs, and investment management services.
2+ YOE2+ years development experience; proficiency with Node.js, Angular, NestJS, TypeScript, JavaScript, AWS CLI; experience with REST/GraphQL, testing frameworks, observability, and Agile practices; undergraduate degree or equivalent.
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
3+ YOEBachelor's in CS or related, 3+ years AI/ML or backend experience, proficiency in Python/Java/JavaScript/Typescript, ML frameworks, cloud platforms, healthcare standards, and CI/CD/DevOps.
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
2+ YOE2+ years software engineering experience; strong JavaScript/TypeScript skills; React, NestJS/Node.js experience; unit testing experience; familiarity with Git and agile practices; strong English communication.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Proficiency in TypeScript, JavaScript, or C#; system design; Agile/Scrum experience (Jira/Version One/Confluence); GitLab CI/pipelines; ability to obtain and maintain Top Secret clearance; U.S. citizenship required.
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
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.
CSC: Provides global business administration and compliance solutions.
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.
Quality Assurance Engineering - Sr Professional II
King of Prussia or Alpharetta or Jacksonville
OnsiteFull Time
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
3+ YOE3+ years SDET/test automation experience; build end-to-end, API, regression, and performance tests; proficiency with JavaScript/TypeScript, API testing, CI/CD, Docker/Kubernetes; strong communication and critical thinking.
Xactus: Provides verification and credit reporting for mortgage lenders.
7+ YOE7+ years professional software development experience with strong hands-on C#/.NET Framework and SQL Server; experience with Angular, TypeScript/JavaScript, Azure, CI/CD tools; strong communication and problem-solving skills.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, Jenkins, Terraform, Terragrunt, HTML, CSS
TELUS Digital: Provides global digital customer experience and business transformation solutions.
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.
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
2+ YOEMaster's (or Bachelor's with significant experience) in a quantitative field, 2+ years software development, proficiency in Python and JavaScript/TypeScript, full-stack web experience, familiarity with SAS/R and pharmacometric dataset preparation, strong problem-solving and communication.