138 senior react engineer jobs at 61 companies in Norristown, 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
1d
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Senior Lead Software Engineer - Java/React/AWS/AI
Wilmington or Columbus
OnsiteFull Time
5+ YOE5+ years of software engineering experience with Java, React, AWS, cloud-native systems, system design, testing, production support, and AI-assisted development tools.
Java, React, AWS, Claude, CoPilot, LLM, Software Development Life Cycle, SDLC, TLM
1w
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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
4d
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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
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 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
5d
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Senior Software Engineer
Atlanta or Austin or Baltimore or Boston or Charlotte or Chicago or Columbus or Dallas or Miami or Nashville or New York City or Philadelphia or Pittsburgh or Princeton or Raleigh or Tysons or Washington
$126k-$248k/yr RemoteFull Time
Full-stack engineering experience with scalable, highly available web applications and databases; collaboration and distributed-systems problem solving required. TypeScript, React, Node.js, WebSockets, Kubernetes, and microservices are advantageous.
MongoDB Atlas, MongoDB Compass, Atlas Data Explorer, TypeScript, React, Node.js, Kubernetes, AWS, Google Cloud, Microsoft Azure
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
2w
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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
3d
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Senior Software Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
7+ YOE7+ years software application experience; 5+ years with C# and .NET Core; 4+ years with SQL Server; 2+ years with React; familiarity with TypeScript, Git, Azure DevOps, Redis, REST, SOAP, and AI development tools.
JavaScript, React, ReactJS, C#, .NET Core, SQL Server, TypeScript, Git, Azure DevOps, Redis, REST, SOAP, Cursor, ChatGPT, Code Rabbit
1d
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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 frontend systems; deep React and TypeScript expertise; full-stack fundamentals; React Native or mobile experience; Figma, design systems, and AI-assisted development experience.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
1mo
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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
3w
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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
3w
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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
3w
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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
3w
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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
5d
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree in computer science, engineering, or related field; 5 years building software; 2 years AWS architecture; JavaScript, TypeScript, SQL, APIs, event-driven systems, and technical leadership.
Electronic Data Interchange (EDI), API, AWS, JavaScript, React, Node.js, Express, React Native, TypeScript, AWS Cloud Development Kit (CDK), Terraform, AWS Lambda, Amazon ECS, AWS Fargate, Amazon Aurora PostgreSQL, SQL, JSONB