202 reactjs developer jobs at 85 companies in Folcroft, PA
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Full Stack Lead Software Engineer
Wilmington or Jersey City
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years leading development, hands-on with ReactJS/AngularJS, Java/J2EE or Python, cloud (AWS/Kubernetes/Azure), Jenkins, relational and No‑SQL databases, and experience with AI-assisted engineering tools.
ReactJS, AngularJS, Java, J2EE, Python, Open AI, Claude, Gemini, Copilot, Jenkins, Oracle, PostGreSQL, MongoDB, AWS, Kubernetes, Azure
1mo
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Full Stack Java/Cloud Developer - Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
5+ YOERequires 5–8 years of application development experience, Java, SQL, Spring, JavaScript, ReactJS, cloud platforms, CI/CD, DevOps, Oracle, Git, Maven, and a bachelor's degree in computer science or software engineering.
Java EE, SQL, Spring, JavaScript, Bootstrap, ReactJS, Azure, AWS, CI/CD, DevOps, Oracle, Git, Maven, REST Web Services
1w
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Engineer - Security
Philadelphia or New York City
$175k-$250k/yr OnsiteFull Time
Security-minded engineers build and maintain customer software, develop compliance frameworks, work with auditors and engineers, and present security posture to customers.
Python, Postgres, Unix, React.js, TypeScript
3w
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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
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Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
3w
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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
1mo
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Full Stack Developer
Parsippany or Conshohocken or Wilkes Barre or Alpharetta or Scottsdale
$78k-$180k/yr HybridFull Time
Degree in CS or equivalent experience; backend and frontend development experience (C#/.NET, React/Angular/Vue), cloud (Azure), databases, Git, CI/CD, AI-assisted tools; strong problem-solving and collaboration skills.
C#/.NET, React, Angular, Vue, Azure, Git, GitHub Copilot, ChatGPT, SQL, NoSQL, OAuth, OpenID
4d
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Full-Stack Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
6+ YOE6+ years designing, developing, and maintaining applications on the Microsoft Stack or Java; REST APIs, databases, front-end frameworks, AI development, Git, integrations, scalability, and technical communication.
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
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Senior Developer, Equity Investment Management Systems
Malvern or Arizona or United Kingdom or Melbourne
HybridFull Time
8+ YOE8+ years of related experience, including 2+ years of development experience; undergraduate degree or equivalent; enterprise architecture and system design experience; Java, Spring Boot, Node.js, TypeScript, Angular or React, AG Grid, Nx, and AWS.
AWS, CI/CD, Java, Spring Boot, Node.js, TypeScript, Angular, React, AG Grid, Nx, DevOps
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Senior Developer, Equity Investment Management Systems
Malvern or Arizona or London or Melbourne
HybridFull Time
8+ YOE8+ years of related experience, including 2+ years in development; undergraduate degree or equivalent; enterprise architecture and system design experience; Java, Spring Boot, Node.js, TypeScript, Angular or React, AG Grid, Nx, APIs, distributed systems, and AWS.
AWS, CI/CD, DevOps, Java, Spring Boot, Node.js, TypeScript, Angular, React, AG Grid, Nx
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Software Engineer I - Digital Products
Reading, Pennsylvania, United States
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
5+ YOEBachelor's degree in computer science, software engineering, or equivalent experience; 5–7 years of software development; full-stack development, SQL, Agile, DevOps, troubleshooting, and mentoring skills.
Java, React, Angular, jQuery, HTML, CSS, JavaScript, Spring, Spring MVC, myBatis, RESTful APIs, SQL, Agile, CI/CD, DevOps
2w
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SE Mobile iOS Developer
Philadelphia, Pennsylvania, United States
$75k-$82k/yr OnsiteFull Time
5+ MgmtExperience developing and optimizing iOS apps with React Native and native iOS technologies; proficiency in JavaScript/TypeScript and Swift/Objective-C; Xcode and App Store Connect experience; unit/integration testing; Git; REST APIs; supervisory experience preferred; city residency within six months of hire.
React Native, Xcode, JavaScript, TypeScript, Swift, Objective-C, Alamofire, Core Location, Core Animation, App Store Connect, Git, PostgreSQL, Oracle, MSSQL, SQL, Amazon Web Services (AWS), Node.js, .NET Core, PHP
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SOFTWARE ENGINEER I
Camden, New Jersey, United States
$80k-$95k/yr OnsiteFull Time
1+ YOERequires 1–3 years of software development experience, Python, web frameworks, relational databases and SQL, APIs, cloud platforms, communication, analytical skills, and teamwork.
Python, FastAPI, Flask, React, PostgreSQL, SQL, Microsoft Azure, Azure Function Apps, Azure App Services, Azure Batch Processing, Snowflake, Azure Blob Storage, REST APIs, Git, CI/CD, Agile
1w
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Senior .Net Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
7+ YOERequires 7+ years of full-stack web development, C#, TypeScript, .NET, front-end frameworks, APIs, databases, testing, CI/CD, Docker, Kubernetes, and U.S. citizenship.
C#, TypeScript, .NET Framework, .NET 5+, Angular, React, Vue, nHibernate, Entity Framework, SQL Server, GitHub Actions, Azure DevOps, Docker, Kubernetes, AWS, Azure, HL7, FHIR, EHRs
4d
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URBN Software Engineer
Philadelphia, Pennsylvania, United States
RemoteFull Time
3+ YOERequires 3–5 years of software development experience, Python or Golang, RESTful services, asynchronous messaging, data modeling, AI coding agent experience, and browser technology proficiency.
Python, Golang, JSON, REST, HTML, AJAX, CSS, Claude Code, Cursor, Elastic Search, Solr, Django, Tornado, Flask, Vue.js, React, Postgres, Cloud SQL, CLI, MCP
1d
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Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
1w
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SOFTWARE ENGINEER I
Camden, New Jersey, United States
$85k-$100k/yr OnsiteFull Time
1+ YOERequires 1–3 years of software development experience, Python, modern web frameworks, relational databases and SQL, cloud platforms, APIs, strong communication, and analytical problem-solving skills.
Python, FastAPI, Flask, React, PostgreSQL, Microsoft Azure, Azure Function Apps, Azure App Services, Azure Batch Processing, Snowflake, Azure Blob Storage, REST APIs, Git, CI/CD, ETL, SQL
4d
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URBN Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOERequires 3–5 years of software development experience, Python or Golang proficiency, REST and data modeling expertise, AI coding agent experience, and knowledge of web, database, testing, and cloud technologies.
JSON, REST, HTML, AJAX, CSS, Python, Golang, Claude Code, Cursor, Elastic Search, Solr, Django, Tornado, Flask, Vue.js, React, CLI, MCP
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
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.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1mo
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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
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