147 senior react developer jobs at 60 companies in Folcroft, PA
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Senior React Native Engineer
Austin or Ann Arbor or Scottsdale or Wayne
$140k-$145k/yr HybridFull Time
5+ YOERequires a computer science or software engineering degree or equivalent experience, 5+ years developing React Native mobile applications, Expo experience, and strong analytical, problem-solving, communication, and collaboration skills.
React Native, Expo, Google Play, Apple stores, REST API
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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Lead Software Engineer - Java/Microservices/React
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years of software engineering experience with Java, React, microservices, APIs, Spring Boot, Kafka, MongoDB, cloud-native development, SDLC, agile methods, security, resiliency, and AI-assisted engineering.
Java, React, Microservices, API, Spring Boot, Kafka, MongoDB, Splunk, Dynatrace, Grafana, CI/CD, Software Development Life Cycle (SDLC)
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
1w
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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 Dynamics CRM Developer
Malvern or Charlotte
HybridFull Time
5+ YOERequires 5+ years with Dynamics 365 Sales and Power Platform, enterprise CRM development, Angular or React, pipelines, ALM, CI/CD, Dataverse, Power Automate, security configuration, and stakeholder collaboration.
Microsoft Dynamics 365, Microsoft Power Platform, Microsoft Azure, Microsoft Copilot, Microsoft 365 Copilot, Angular, React, JavaScript, Power Platform Pipelines, ALM, CI/CD, Dataverse, Power Automate, GitHub, APIs, Dynamics 365 Customer Insights, Dynamics 365 Marketing, Dynamics 365 Field Service
3w
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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
2d
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Senior Forward Deployment Engineer
New York City or San Francisco or Princeton
RemoteFull Time
9+ YOERequires 9+ years of software engineering experience, expertise in full-stack development, data architecture, React, JavaScript/TypeScript, Python, FastAPI, PostgreSQL, Redis, PySpark, AWS, and technical leadership.
React, JavaScript, TypeScript, Python, FastAPI, PostgreSQL, RDS, Aurora, Redis, PySpark, Kestra, AWS, EKS, Kubernetes, GitHub Copilot, Cursor, LLM
1w
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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
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
1w
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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 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
4d
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Senior Software Engineer- Embedded Linux Platform
Thorofare, New Jersey, United States
$110k-$130k/yr OnsiteFull Time
8+ YOERequires 8+ years of software engineering, 5+ years Linux development, and 3+ years at senior-engineer level. Requires Python, Linux, microservices, REST APIs, testing, Git, and technical leadership.
Linux, Python, Bash, REST, MQTT, Azure, Docker, OCI, systemd, Git, GitHub Actions, Azure Pipelines, RFID, GPIO, React, Rust, Go, Traefik, SAST, DAST, SCA, DevSecOps
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
1mo
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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
1w
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Senior Engineer, Full Stack Engineering
New York City or Princeton or Waltham
$128k-$192k/yr HybridFull Time
8+ YOERequires 8+ years building production software, technical leadership, React, TypeScript, JavaScript, Python, Django, AI/ML, cloud platforms, Docker, CI/CD, databases, testing, and monitoring experience.
AWS, Azure, GCP, Lambda, ECS, Kubernetes, React, React Native, Redux, Zustand, TypeScript, JavaScript, LangGraph, LangChain, LlamaIndex, AWS Bedrock, OpenAI APIs, Python, Django, REST, GraphQL, asyncio, FastAPI, Docker, Git, Jenkins, Artifactory, OAuth, JWT, SSO, RDBMS, NoSQL, Jest, Pytest, Selenium, Webpack, Vite, CloudWatch, Sentry, Langfuse, WebRTC, WebSockets, Server-Sent Events
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; hands-on C#, Python, and React; full-stack proficiency; strong communication; Bachelor's in CS, CE, Mathematics, Physics, or related.
C#, .NET, Python, React, JavaScript
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
1w
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Senior Engineer - Machine Learning
Ambler or New York City
HybridFull Time
6+ YOERequires 6+ years of Python-focused software development, traditional ML and generative AI systems, AI agents, evaluation harnesses, cloud infrastructure, MLOps, unstructured data, Agile, and CI/CD; bachelor's preferred.
Python, React, JavaScript, MLOps, CI/CD, Agile, Berkie
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