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102 senior react developer jobs at 51 companies in Bethlehem, PA

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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
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Knowledge Solutions Senior Developer
Philadelphia, Pennsylvania, United States
HybridFull Time
Morgan Lewis
Morgan Lewis: Global law firm providing legal services to corporate clients.
6+ YOE6–8+ years frontend development; strong JavaScript/TypeScript; React; GraphQL; production-grade apps; REST/GraphQL APIs; Agile teamwork; autonomous, high-quality code.
React, TypeScript, GraphQL, REST, Jest, Git, Azure, SPFx, SharePoint Online, Azure App Insights, CI/CD
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3mo
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Senior SharePoint Developer (King of Prussia, PA, US, 19406)
King of Prussia, Pennsylvania, United States
$101k-$164k/yr OnsiteFull Time
Day & Zimmermann
Day & Zimmermann: Provides industrial, defense, and workforce solutions to global customers.
8+ YOE8+ years in SharePoint development; BA/BS required; design, develop, deploy SharePoint/M365 solutions; on-prem and cloud; mentor junior staff.
SharePoint 2016, SharePoint Subscription Edition, SharePoint Online, SPFx, C#, NET, JavaScript, TypeScript, React, HTML5, CSS3, PowerShell, Power Platform, Power Automate, Power Apps, Power BI, Microsoft Graph API, REST APIs, CSOM, GitHub
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1mo
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Senior AEM Developer
Philadelphia, Pennsylvania, United States
$125k-$135k/yr OnsiteFull Time
TELUS Digital
TELUS Digital: Provides global digital customer experience and business transformation solutions.
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
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2w
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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
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2w
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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
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2w
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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
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2mo
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Senior Software Engineer, Backend
Philadelphia, Pennsylvania, United States
$160k-$210k/yr OnsiteFull Time
Perpay
Perpay: Financial platform offering interest-free shopping and credit building via payroll.
5+ YOE5+ years web apps; 2+ years leading teams; PostgreSQL; AWS; Docker/Kubernetes; Python/Django or Rails; strong communication.
JavaScript, Python, Django, Flask, React, React Native, Redux, Kubernetes, AWS, Docker, Celery, Redis, Datadog, CloudWatch
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5d
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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
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1mo
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Senior AI/ML Software Engineer
Basking Ridge or Red Bank or Woodbridge
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
BS/MS/PhD with extensive AI/ML experience; strong Python; AI agent systems; LLM APIs; orchestration; FastAPI/React; US citizenship.
Python, LangChain, LangGraph, DeepAgents, Airflow, Prefect, Celery, FastAPI, React, Docker, PostgreSQL, OpenTelemetry, Jaeger, Prometheus, Grafana, OpenAI, Anthropic, AWS Bedrock
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2mo
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Senior Full Stack Engineer - United States
Atlanta or Dallas or Orlando or Philadelphia or Washington or Wichita
$145k-$180k/yr RemoteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
5+ YOE5+ years React.js/TypeScript, Node.js/NestJS/Express, PostgreSQL, AWS QuickSight; multi-tenant SaaS; TS ORM (TypeORM/Prisma); AWS services; Agile; BS in CS or equivalent.
React, Next.js, shadcn/ui, MUI, CSS, Node.js, NestJS, Express.js, PostgreSQL, TypeORM, Prisma, JWT, OAuth 2.0, HMAC, API keys, AWS, Terraform, QuickSight, RDS, S3, Lambda, IAM, Cognito, Jira, Confluence, Bitbucket
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2w
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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
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2w
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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
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1mo
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Senior Software Engineer, STAR.UI (Mission Autonomy, Hybrid)
King of Prussia or Moorestown or New Jersey or Pennsylvania
$109k-$217k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in engineering or CS required; experience with JavaScript/TypeScript, Angular/React/Node, Git, and DevOps tools (Docker/Podman, Kubernetes/Helm, GitLab/GitHub/Jenkins). Must be US citizen; Secret clearance required.
JavaScript, TypeScript, Angular, React, Node, Git, Docker, Podman, Kubernetes, Helm, GitLab, GitHub, Jenkins, REST, gRPC, Kafka, ActiveMQ (AMQ), ZeroMQ (ZMQ), Data Distribution Service (DDS), Zenoh, Rust, Go, Java, Istio, Linkerd, CUDA, Intel oneAPI, SYCL, NVIDIA TensorRT, Triton Inference Server, OnnxRuntime, SQL, MongoDB, GitOps
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1w
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Senior Software Engineer – Mobile Development (Android)
Philadelphia, Pennsylvania, United States
$105k-$110k/yr OnsiteFull Time
City of Philadelphia
City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.
5+ YOE5+ years Android development experience with Kotlin, Jetpack/Compose, Play Store deployment, REST API integration, strong problem-solving and communication; bachelor\u0002s degree required or equivalent experience.
Kotlin, Jetpack Compose, Coroutines, Android Studio, Gradle, Android SDK, Google Play Console, Git, NodeJs, TypeScript, React Native, SQL, PostgreSQL, Oracle, MSSQL, Amazon Web Services (AWS)
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3w
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Staff Application Engineer
Philadelphia, Pennsylvania, United States
$153k-$180k/yr HybridFull Time
FMC
FMCNYSE: FMC: Manufacturer of chemical and biological crop protection products.
7+ YOEBachelor's in engineering/CS or related and 7 years software development experience, including 2 years each in web development, CI/CD, mobile app development, Python, JavaScript/React, system architecture, and leading projects; telecommute 2 days/week.
React Native, REST, ReactJS, Angular, Python, Django, CI/CD, JavaScript
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1d
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Senior Associate - Developer Engineer
Lebanon, New Jersey, United States
$100k-$143k/yr HybridFull Time
New York Life
New York Life: Provides life insurance, retirement income, and investment solutions.
7+ YOE7+ years mainframe development experience (PL1, ASM, COBOL, JCL, CICS, DB2, VSAM, MQ), experience with cloud and modern stacks, solution architecture participation, Agile and DevOps practices, bachelor's degree preferred.
PL1, ASM, COBOL, JCL, CICS, CICS API, DB2, VSAM, MQ, Angular, .net, Mulesoft, Lambda, Python, AWS, Java, Spring Boot, Node.js, React, Kafka
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4d
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Frontend Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years frontend experience with React, JavaScript/TypeScript, HTML5, CSS3, GitHub, CI/CD, and automated testing (Playwright). Bachelor's in Computer Science required.
React, JavaScript, TypeScript, ES5, ES6, HTML5, CSS3, GitHub, CI/CD, Playwright
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1mo
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Full Stack Developer
United States or Philadelphia
$160k-$180k/yr RemoteFull Time
SMB Team
SMB Team: Provides digital marketing and coaching services for law firms.
6+ YOE6+ years full-stack development experience; must show portfolio; autonomous; current on AI tooling; proficiency in JavaScript/TypeScript (React, Node.js), RESTful APIs, GraphQL, cloud (AWS/GCP/Azure), serverless; experience with AI APIs and Git.
JavaScript, TypeScript, React, Node.js, RESTful APIs, GraphQL, AWS, GCP, Azure, Serverless, OpenAI, Anthropic, Git, GitHub, CI/CD, HubSpot, Asana, PandaDoc, Slack, Google Workspace
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2w
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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
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1w
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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
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