95 senior react developer jobs at 40 companies in Easton, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Senior Software Engineer
Union, New Jersey, United States
$135k-$145k/yr HybridFull Time
SS&C Technologies
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
Full stack development with .NET/C#/C++, UI frameworks (Angular/React), SQL/NoSQL, microservices, and messaging systems.
.NET, C#, C++, WPF, WinUI, Angular, React, jQuery, Kafka, Ultra-Messaging, SQL, NoSQL, GitHub, Jira/Confluence, Visual Studio, MSBuild, HTTP/REST
3w
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Senior Mobile Developer
Alpharetta or Omaha or Berkeley Heights
$109k-$182k/yr OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
5+ YOE5+ years mobile development; 4+ years with Kotlin and/or Swift and experience with React Native/JavaScript; strong mobile architecture, state management, RESTful APIs, CI/CD, Git; bachelor's degree or 6 years relevant experience; valid unrestricted U.S. work authorization.
Swift, Kotlin, React Native, JavaScript, RESTful APIs, Git, AWS, Azure, GCP, CI/CD
3w
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
Morgan Properties
Morgan Properties: Operates and manages multifamily residential apartment communities.
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
3w
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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
3w
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
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
1w
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Senior Dynamics CRM Developer
Malvern, Pennsylvania, United States
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
5+ YOE5+ years working with Microsoft Dynamics 365 Sales and Microsoft Power Platform, Dataverse, Power Automate, CI/CD and ALM, JavaScript frameworks (Angular or React), security configuration, API integrations, Agile experience, undergraduate degree or equivalent.
Microsoft Dynamics 365 Sales, Microsoft Power Platform, Angular, React, Power Platform Pipelines, ALM, CI/CD, Microsoft Dataverse, Microsoft Power Automate, model-driven app, Github, APIs, Microsoft Dynamics 365 Customer Insights, Microsoft Dynamics 365 Marketing, Microsoft Dynamics 365 Field Service
1mo
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Senior Software Engineer - Full Stack
New York City or Holmdel or Bethlehem
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
6+ YOE6+ years software development; 3+ years with service-oriented/cloud-native (AWS); 2+ years Terraform; API development with Java, Spring Boot, Node JS, .NET, or Python; React/Angular/Typescript; Docker/Kubernetes; My SQL/Postgress/SQL Server; CI/CD with GitHub/Jenkins/Artifactory.
AWS, Terraform, Java, Spring Boot, Node JS, .NET, Python, React, Angular, Typescript, Docker, Kubernetes, My SQL, Postgress, SQL Server, GitHub, Jenkins, Artifactory
1mo
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Senior Front End Web Developer
East Brunswick, New Jersey, United States
HybridFull Time
Thorium Digital
Thorium Digital: Designing and building digital platforms for global brands.
8+ YOEEight+ years front-end experience; strong React, TypeScript, HTML5, JavaScript, CSS; Next.js; headless CMS Contentful; WCAG 2.1 AA; experience with Shopify; cloud platforms (Vercel/AWS/Azure); English fluency; US work authorization.
React, TypeScript, HTML5, JavaScript, CSS, Next.js, Contentful, Shopify, Hydrogen, Figma, Photoshop, Illustrator, Git, Bitbucket, Vercel, AWS, Azure, Google Analytics, Algolia, Dynatrace, Siteimprove, DevOps, Azure DevOps, Laravel, Lumen, PHP
3d
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Software Developer
Exton or Philadelphia
RemoteFull Time
CAP Index
CAP Index: Provides data-driven crime risk forecasting and security management solutions.
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
3w
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
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 AI Engineer
Jacksonville or Iselin or Washington
$110k-$190k/yr OnsiteFull Time
Fortegra
Fortegra: Provides specialty insurance products and warranty service solutions.
7+ YOE7+ years software engineering, expert React, backend framework experience (Node.js, Python, .NET Core), secure public-facing app and cloud architecture experience, hands-on use of AI coding tools and agentic workflows.
React, Node.js, NestJS, Express, Python, FastAPI, Django, Microsoft .NET Core, AWS, Microsoft Azure, GCP, Claude Code, GitHub Copilot, Cursor, Replit, Lovable
3w
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Senior Software Engineer | Research Tech | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
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
2w
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Senior Software Engineer, W&B Agent - W&B
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Specialized cloud infrastructure provider for high-performance AI workloads.
4+ YOE4+ years full‑stack experience with Python backend and React/TypeScript frontend; experience with FastAPI, Kubernetes, distributed systems, observability, and MySQL; security- and performance-minded.
Python, FastAPI, Kubernetes, React, TypeScript, Datadog, Weave tracing, MySQL, WebSockets, server-sent events
2w
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Senior Software and AI Engineer
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$182k-$242k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
3+ YOE3+ years professional programming; full‑stack development with React/TypeScript and backend services in Node.js or Go; experience with GenAI/LLM frameworks (LangChain, ChatGPT API, Glean API); cloud, Kubernetes, and CI/CD familiarity.
Workato, LangChain, LangGraph, ChatGPT agentflow, ChatGPT API, OpenAI API, Gemini agent flow, Glean API, React, TypeScript, Node.js, Go, Python, C++, C#, Java, FastAPI, gRPC, Next, Cursor, Claude, Copilot, ChatGPT Codex, Ray, Kafka, Spark, Kubernetes, AWS, Azure, GCP, Workato, Boomi, ERP, HRIS, DCIM, Data Warehouse
2w
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Full Stack Developer
Summit, New Jersey, United States
$130k-$140k/yr OnsiteFull Time
Sugar Foods
Sugar Foods: Manufactures and packages food toppings, sweeteners, and beverage ingredients.
8+ YOE8+ years developing web applications using React, C#, .NET Core, Entity Framework Core, JavaScript/TypeScript, and SQL; experience with unit testing (Jest, NUnit, xUnit), Git, and Agile methodologies.
React, C#, .NET Core, Entity Framework Core, JavaScript, TypeScript, HTML5, CSS3, SQL, SQL Server, Jest, NUnit, xUnit, Git, Azure, Azure DevOps, VB.NET
2w
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Senior Front-End & FHIR Interoperability Engineer
Parsippany, New Jersey, United States
$135k-$180k/yr HybridFull Time
Agadia
Agadia: Healthcare technology platform for utilization management and automation.
6+ YOE6+ years software engineering experience building React/TypeScript front-ends, hands-on SMART on FHIR and EHR integrations, FHIR R4 and OAuth2/PKCE knowledge, CDS Hooks experience, and HIPAA/PHI familiarity.
React, JavaScript, TypeScript, FHIR R4, SMART on FHIR, CDS Hooks, USCDI v3, OAuth 2.0 with PKCE, EHR, EMR, Python, FastAPI, REST APIs, PostgreSQL, Microsoft Azure, Azure DevOps, CI/CD
1d
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Engineer
Malvern, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOEStrong React, HTML, CSS, JavaScript/TypeScript, GitHub, CI/CD, and automated testing (Playwright); 10+ years experience; bachelor in computer science required.
CSS, HTML, React, JavaScript, TypeScript, GitHub, CI/CD, Playwright
3w
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Software Engineer II
Exton or Philadelphia
HybridFull Time
Bentley Systems
Bentley SystemsNASDAQ: BSY: Software for designing, building, and operating global infrastructure.
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
2w
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Fullstack Developer
Berkeley Heights or New York City
FieldFull Time
Orion Innovation: Provides digital transformation, software engineering, and cloud services.
5+ YOEBachelor's degree or equivalent, 5+ years writing production code, experience with Django/Rails/Laravel, Python required, strong React skills, unit/integration testing, collaboration with product teams.
Django, Rails, Laravel, Python, React
2mo
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Sr. Specialist, Content & Digital Experience Capabilities - Web Product and Analytics Engineer
Princeton, New Jersey, United States
$78k-$95k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
2+ YOE3-4 years software development in agile; 2-4 years experience; strong AEM, frontend (React/Angular/Vue), Java, HTL, HTML/CSS, JavaScript; CI/CD; DevOps; AI integrations.
Adobe Experience Manager (AEM), Java, OSGi, Apache Sling, JCR, HTL, HTML, CSS, JavaScript, React, Angular, Vue, CI/CD, Docker, Kubernetes