17 senior react developer jobs at 9 companies in Effort, PA

1d
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Senior Software Engineer (Java, React)
Holmdel or Bethlehem or New York City or Pittsfield or New York City or New Jersey or Pennsylvania
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
6+ YOERequires 6+ years of full-stack experience, Java/J2EE and front-end technologies, a computer science bachelor's degree or equivalent, and residence in New York, New Jersey, or Pennsylvania.
Java, J2EE, Spring Boot, React, Node.js, Next.js, NestJS, TypeScript, Micro-Frontends, JPA, Hibernate, iBatis, REST API, GraphQL, SQL, Oracle, DB2, Apache Tomcat, AWS, Microservices, Scaled Agile, Scrum, Kanban, SAFe
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
PPL
PPLNYSE: PPL: Provides electricity and natural gas to millions of customers.
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
PPL Corporation
PPL CorporationNYSE: PPL: Provides electricity transmission, distribution, and utility services.
7+ YOEBachelor's degree (or equivalent), 7+ years experience (Lead) or 5+ years (Senior); strong software development background with C#, Java, JavaScript/TypeScript, front-end frameworks (Angular/React), APIs/JSON, and SQL; experience with microservices, cloud, containerization and Kubernetes preferred.
C#, Java, Python, JavaScript, TypeScript, Angular, React, SQL, JSON, APIs, Microservices, DevOps, Multi-Cloud, IoT, Intelligent Automation, RPA, Test automation, Machine Learning, Artificial Intelligence, Kubernetes, Azure Kubernetes Service (AKS), SAP ABAP
1d
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Senior AI Integration Developer
Red Bank or Basking Ridge or Silver Spring
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOERequires 8 years' experience with a bachelor's, 6 with a master's, or 3+ with a PhD; Python, MCP, local models, Docker, React, TypeScript/Node.js, Git, CI/CD, testing, and ability to obtain Secret clearance.
Ollama, Model Context Protocol (MCP), llama.cpp, FastAPI, React, PostgreSQL, Python, TypeScript, Node.js, Docker, Git, CI/CD, LangChain, LangGraph, FastMCP, RAG
1d
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Senior AI Integration Developer
Red Bank or Basking Ridge or Silver Spring
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOERequires 8 years' experience with a bachelor's, 6 with a master's, or 3+ with a PhD; Python, FastAPI, Docker, TypeScript/Node.js, React, Git, MCP, and local model experience; U.S. citizenship and Secret clearance eligibility.
Ollama, llama.cpp, Model Context Protocol (MCP), Python, FastAPI, Docker, TypeScript, Node.js, React, Git, CI/CD, LangChain, LangGraph, FastMCP, RAG, PostgreSQL
2w
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Senior Software Engineer
Bethlehem or New York City or Holmdel
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
5+ YOEBachelor's in CS/Engineering,5+ years professional software development,experience with cloud-native architectures,Java/Springboot,APIs/microservices,CI/CD,TDD,monitoring,CI tools and AWS.
Java, Springboot, Aurora PostgresSQL, Redis, Hibernate, Microsoft Graph API, Github Co-pilot, Claude, AWS, Docker, EKS, SNS/SQS, SDK, Bitbucket, Git, AppDynamics, ArgoCD, CloudWatch, Splunk, Zenoss, Python, ReactJS, Apache Camel, FINEOS
2mo
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Lead Software Engineer
Bethlehem or Holmdel
$99k-$163k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
10+ YOE3+ Mgmt10+ years software development (3+ years lead); expertise in C#, .NET Core, React/Next.js, APIs/REST, SQL, AWS, CI/CD, Docker/ECS/EKS, Git/BitBucket/GitHub, Splunk, AppDynamics; microservices and Agile experience.
React, Next.js, C#, .NET Core, JavaScript, HTML5, CSS, REST, WCF, SOAP, SQL, Splunk, AppDynamics, JSON, XML, BitBucket, GitHub, CI/CD, AWS, ECS, Docker, EKS, Kanban, Scrum, Scaled Agile
2w
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Sr. Full Stack Software Engineer
Cary or Bridgewater
$100k-$140k/yr HybridFull Time
MetLife
MetLifeNYSE: MET: Global provider of insurance, annuities, and financial services.
6+ YOE6+ years full stack development experience with React and Java/Spring Boot, cloud familiarity (Azure), relational databases, CI/CD, and strong communication and problem-solving skills.
React, JavaScript, TypeScript, Java, Spring, Spring Boot, Azure, AKS, Functions, Node.js, Git, Docker, Kubernetes, CI/CD
2w
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Full-Stack Engineer III (Contract to Hire)
Mount Arlington, New Jersey, United States
OnsiteContract, Full Time
MedPro Systems
MedPro Systems: Healthcare data and compliance solutions for life sciences companies.
7+ YOE7+ years full-stack engineering experience; expertise in React, Python/FastAPI, PostgreSQL; SSO/OIDC/Auth0 and third-party integrations; AI-assisted development and security-by-design; BS in Computer Science.
React, Python, FastAPI, PostgreSQL, Auth0, Veeva, SSO, OIDC
1w
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SharePoint Developer
Bethlehem, Pennsylvania, United States
OnsiteFull Time
Buzzi Unicem USA
Buzzi Unicem USABorsa Italiana: BZU: Manufacturer and distributor of cement and concrete products.
5+ YOE5+ years developing SharePoint Online/Microsoft 365 solutions, experience with SPFx, Power Platform, Dataverse, PowerShell, and stakeholder requirement gathering.
SharePoint Online, SharePoint Framework (SPFx), Power Automate, Power Apps, Dataverse, Microsoft 365, Microsoft Entra ID, PowerShell, Microsoft Purview, JavaScript, TypeScript, React
4w
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Lead Software Engineer.
New York or Bethlehem or Holmdel
$119k-$195k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
10+ YOE10+ years building scalable public-facing web applications; expert in JavaScript/TypeScript, Node/React/Next; API and AWS experience; BA/BS in CS or related; strong communication and security awareness.
React, Next, Node, Javascript, Typescript, NestJS, Jest, REST, GraphQL, Redis, AWS, micro-frontends, micro-services, CI/CD
3w
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Senior Software Engineer
New York City or Bethlehem or Holmdel
$95k-$156k/yr HybridFull Time
Guardian Life
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.
JavaScript, TypeScript, Node, React, Next, NestJS, Jest, REST, GraphQL, Redis, HTML, CSS, AWS, CI/CD, OWASP
3w
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Team Lead - Software Development - Marketing Solutions
Pittston or Omaha
$115k-$160k/yr HybridFull Time
Berkshire Hathaway Direct Insurance Company
Berkshire Hathaway Direct Insurance CompanyNYSE: BRK.B: Directly providing simple commercial insurance solutions for small businesses.
5+ YOE3+ MgmtBachelor's or master's in computer science or equivalent,5+ years software development experience,2–5+ years marketing-technology experience,3+ years leading teams,proficient in C#, .NET, TypeScript, Angular/React,GA4 and Kameleoon experience preferred.
C#, .NET, TypeScript, Angular, React, ASP.NET MVC, .NET Core, GA4, Kameleoon
2w
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DEXIS Sr. Full Stack Software Engineer, Cloud (Quakertown, PA)
Quakertown, Pennsylvania, United States
$130k-$153k/yr OnsiteFull Time
Envista
EnvistaNYSE: NVST: Manufactures and sells a comprehensive range of dental products.
8+ YOEBachelor's degree in CS/EE/ME or related,8+ years experience,expertise in full-stack web, backend services, cloud-native Azure solutions, databases, security and regulatory compliance for medical imaging.
C#, .NET, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Blob Storage, Microsoft Azure Key Vault, Docker, SQL Server, PostgreSQL, React, TypeScript, JWT, SSO, OAuth 2.0, RBAC, CI/CD, Terraform, YAML, DICOM, CBCT, API gateways
3w
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Team Lead - Software Development - Production Support
Pittston or Omaha
$115k-$160k/yr HybridFull Time
Berkshire Hathaway Direct Insurance Company
Berkshire Hathaway Direct Insurance CompanyNYSE: BRK.B: Directly providing simple commercial insurance solutions for small businesses.
10+ YOE3+ Mgmt10+ years C#/.NET development experience, 3+ years leading teams, RESTful API design, cloud services (preferably Azure), CI/CD and IaC, enterprise architecture, strong communication and troubleshooting skills.
C#, .NET, RESTful APIs, Azure, ASP.NET MVC, .NET Core, TypeScript, Angular, React, CI/CD, Infrastructure as Code (IAC)
4d
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Principal Platform & AI Engineering Lead
Cary or Bridgewater
$140k-$180k/yr HybridFull Time
MetLife
MetLifeNYSE: MET: Global provider of insurance, annuities, and financial services.
10+ YOEBachelor’s degree in computer science or equivalent, 10+ years of full-stack engineering experience, and expertise in React, APIs, cloud platforms, microservices, CI/CD, containerization, infrastructure-as-code, and AI-assisted development.
React, REST, GraphQL, CI/CD, Copilot, GenAI, GitHub Enterprise, Azure, Kubernetes
1w
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Engineering Team Lead
District of Columbia or Delaware or Georgia or Massachusetts or Maryland or North Carolina or New Hampshire or New Jersey or Ohio or Pennsylvania or South Carolina or Utah or Virginia or Chalfont
RemoteFull Time
AWeber
AWeber: Email marketing and automation software for small businesses.
7+ YOE1+ Mgmt7+ years hands-on software engineering (backend Python or frontend React/TypeScript), 1+ year technical/team lead experience, experience with AI/agentic development, ownership of delivery, strong communication and mentorship skills.
Python, React, TypeScript, UNIX, AWS