121 senior react engineer jobs at 54 companies in Springfield, PA
2mo
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React Developer_CVS_Woonsocket, RI
Woonsocket, Rhode Island, United States
$40k-$140k/yr OnsiteFull Time, Contract
Photon: A technology-focused professional services firm delivering scalable software solutions.
5+ YOE5+ years front-end experience; strong React, HTML/CSS/JS; state management; large-team experience; performance debugging.
React, TypeScript, JavaScript, HTML, CSS, Redux, Zustand, TanStack Query, Webpack, Vite, Module Federation
1w
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Senior Full-Stack Developer (Java & React)
Trenton, New Jersey, United States
$55-$62/hr HybridFull Time
10+ YOE10+ years Java and React development experience, Spring Boot microservices, RESTful APIs, Oracle/SQL performance skills, unit testing, CI/CD, bachelor's degree in CS/IT or related.
Java, React, Spring Boot, Spring MVC, Hibernate, JavaScript, CSS, Bootstrap, RESTful APIs, Oracle, SQL, JUnit, Mockito, React Testing Library, CI/CD
3d
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Senior Engineer (US)
Mount Laurel or Fort Lauderdale
$124k-$200k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science/engineering, 10+ years relevant experience, deep expertise in engineering frameworks and cloud, strong communication and leadership with experience presenting to senior leaders.
Spring Boot, Python, Azure, APIs, Java, ReactJS, NodeJS, Kafka, SQL, NoSQL
2w
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Lead Software Engineer - Python/React/AWS/AI
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with system design, application development, SDLC, CI/CD, cloud-native systems, and applied AI-assisted development; strong Python, Java, React, and AWS skills.
Python, Java, React, AWS, AI
1mo
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
6+ YOE6+ years full-stack software engineering experience with Node.js, React, SQL Server, Azure; strong SQL tuning, performance optimization, and production ownership from data layer to UI.
Node.js, React, SQL Server, Azure, Container Apps, Key Vault, Container Registry, Public Cloud Infrastructure, Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Git, Docker, CI/CD, Yardi Voyager, RealPage, LRO, Banner
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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Senior AEM Developer
Philadelphia, Pennsylvania, United States
$125k-$135k/yr OnsiteFull Time
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.
Adobe Experience Manager (AEM), AEM Headless, AEM SPA Editor, Content Services, GraphQL, React, Next.js, Java, Servlets, OSGi, Sling Models, Sling, HTML5, CSS3, JavaScript, TypeScript, Java Content Repository (JCR), Oak, Dispatcher, Adobe Marketing Cloud, Adobe Analytics, Adobe Target, Akamai, Git, Azure DevOps, GitHub Actions
1w
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
United States or Philadelphia
RemoteFull Time
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years leading teams, proficiency with .NET Core/C#, GraphQL, MongoDB, Docker, JavaScript and Vue.js/React, cloud platforms, TDD and DDD, strong communication and problem-solving.
.NET Core, C#, GraphQL, MongoDB, Docker, JavaScript, Vue.js, React.js, AWS, Azure, Google Cloud
1mo
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with C#, Python, and React; full-stack development; strong communication; Bachelor’s in CS/engineering/math/physics or related.
C#, .NET, Python, React, JavaScript
3w
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Full Stack AI Engineer
Princeton, New Jersey, United States
$94k-$114k/yr OnsiteFull Time
5+ years software engineering experience, Bachelor's in CS or related, hands-on Generative/Agentic AI, Python/React proficiency, knowledge of cloud, APIs, ML frameworks, strong communication and leadership.
Python, Java, Node JS, React JS, Salesforce, OpenAI, AWS Bedrock, LangChain, LlamaIndex, Google ADK, TensorFlow, PyTorch, FastAPI, SQL, NoSQL, AWS Lambda, Amazon S3, DynamoDB, SageMaker, REST APIs, MCPs, JSON, XML, TypeScript
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
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
1mo
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Senior Full Stack Engineer - Team Lead
Seattle or Chicago or Boston or Austin or Tampa or Philadelphia or Salt Lake City or Providence or Portland or Atlanta or Raleigh or Nashville or Columbus or Phoenix
RemoteFull Time
8+ YOE8+ years software engineering experience with React, TypeScript, Node.js, API design (GraphQL/REST), SQL/PostgreSQL, data pipelines, CI/CD, cloud (AWS) and team leadership.
React, TypeScript, GraphQL, REST, Node.js, SQL, PostgreSQL, Nx, Turborepo, Yarn Workspaces, Python, AWS, Jira, Confluence, Claude Code, React Native, Capacitor
1mo
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; strong hands-on C#, Python, and React/JavaScript; full-stack backend/frontend comfort; excellent communication; Bachelor’s in CS, CE, math, physics or related.
C#, .NET, Python, React, JavaScript, Microsoft Excel
15h
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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 deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
5+ YOEBachelor's degree plus 5 years pharma experience; 5 years with Veeva CRM/OCE, Salesforce, Veeva Vault, Snowflake, Databricks, Apex/Visualforce/Lightning, React.js, REST/SOAP APIs, MuleSoft/SnapLogic; Veeva certifications required.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
2w
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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
1w
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Senior Software Engineer
Bethlehem or New York City or Holmdel
$95k-$156k/yr HybridFull Time
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
2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
5+ YOEBachelor's in CS/Computational Biology/Biotechnology or related plus 5+ years pharma experience; expertise with Veeva, Salesforce, Snowflake, Databricks, Apex, React, APIs, MuleSoft/SnapLogic, Power BI; required Veeva certifications.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
5+ YOEBachelor's in CS or related plus 5+ years pharma experience; 5+ years with Veeva CRM/OCE/Salesforce, Veeva Vault, Snowflake, Databricks, Apex, React, APIs, MuleSoft/SnapLogic; Veeva certifications required.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
1d
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Principal Software Engineer
Philadelphia, Pennsylvania, United States
$180k-$212k/yr HybridFull Time
Extensive software engineering experience with Dynamics 365, Azure, cloud-native design, React/TypeScript, CI/CD and strong leadership; BS/MS in CS/Engineering or equivalent experience preferred.
Microsoft Dynamics 365, Microsoft Azure, Microsoft Azure Functions, React, TypeScript, JavaScript, .NET, C#, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Copilot Studio, GitLab