132 react software engineer jobs at 56 companies in Easton, PA

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Senior React Engineer – AVP
Whippany, New Jersey, United States
$120k-$175k/yr OnsiteFull Time
Barclays
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Deep proficiency in React and TypeScript, front-end tooling (Vite, Rollup, npm/pnpm), Redux Toolkit, testing (Jest, Vitest, React Testing Library, Playwright), CI/CD and containerization (GitLab CI/CD, Docker, Kubernetes); experience in financial/markets platforms and leadership/AVP responsibilities preferred.
React, TypeScript, Vite, Rollup, npm, pnpm, Tailwind CSS, Redux Toolkit, Jest, Vitest, React Testing Library, Playwright, GitLab CI/CD, Docker, Kubernetes, Figma, OpenFin
1mo
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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
1w
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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
4w
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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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Lead Software Engineer
Bethlehem or Holmdel
$99k-$163k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
10+ YOE3+ Mgmt10+ years software development (3+ years lead); expertise in C#, .NET Core, React/Next.js, APIs/REST, SQL, AWS, CI/CD, Docker/ECS/EKS, Git/BitBucket/GitHub, Splunk, AppDynamics; microservices and Agile experience.
React, Next.js, C#, .NET Core, JavaScript, HTML5, CSS, REST, WCF, SOAP, SQL, Splunk, AppDynamics, JSON, XML, BitBucket, GitHub, CI/CD, AWS, ECS, Docker, EKS, Kanban, Scrum, Scaled Agile
3d
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Senior Software Engineer
Iselin, New Jersey, United States
$138k-$159k/yr HybridFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
2+ YOEBachelor's in CS or related and 2 years software engineering experience; experience with listed dev tools, cloud, containers, databases, and Agile.
Atlassian, Jira, Confluence, Crucible, Bamboo, Bitbucket, Git, GitHub, Gitlab, Java, JavaScript, React, Node JS, C++, Python, PHP, MSSQL, Postgres, MySQL, MongoDB, AWS S3, AWS EC2, AWS, OpenShift, Jenkins, Datadog, Docker, Kubernetes, Hive, Spark, Linux, Bash
2w
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$164k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
U.S. citizenship and secret clearance required. Bachelor's in CS/Engineering, professional software engineering experience, automated testing with Playwright/Selenium/Cypress, TypeScript or Java, CI/CD and container familiarity.
Playwright, Selenium, Cypress, TypeScript, Java, Gitlab, Github, Docker, Kubernetes, .Net Core, Spring Boot, Angular, React
4w
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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
4w
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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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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
6d
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Software Engineer I
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
5+ YOEBachelor's in CS/CE or equivalent, 5+ years programming (Java, RPG, etc.), full‑stack experience (React/Angular/HTML/CSS/JavaScript), REST/myBatis/Spring, relational DB design, Agile, and strong communication.
Java, RPG, React, Angular, jQuery, HTML, JavaScript, CSS, Spring framework, Spring-MVC, myBatis, RESTful API’s, Agile, DevOps Tools, CI/CD
3w
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Software Engineer - ML Model Training
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.
Experienced front-end engineer with strong JavaScript/TypeScript and React skills, visualization and performance engineering experience for large datasets, familiarity with Canvas/WebGL or charting libraries, and strong communication and collaboration skills. Export-control eligibility (US person or eligible) required.
JavaScript, TypeScript, React, Canvas, WebGL, React-vis, uPlot
1mo
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Agentic AI Software Engineer
King of Prussia or Aurora
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, polygraphable, Bachelor’s in Computer Science or related, 5+ years software engineering with strong Python, experience with microservices, RESTful APIs, Git and CI/CD, LLMs/agent frameworks, and Agile practices.
Python, Git, GitLab, GitHub, Bitbucket, CI/CD, Jira, Confluence, microservices, RESTful APIs, LLMs, LangGraph, CrewAI, AutoGen, Pydantic AI, MCP, A2A, RAG, vector databases, Langfuse, MLflow, DSPy, AWS, Azure, Kubernetes, Helm, React, Angular, JavaScript, TypeScript
3mo
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Principal Software Engineer
Dresher or Philadelphia
OnsiteFull Time
Ascensus
Ascensus: Administers tax-advantaged retirement and education savings plans.
Bachelor's degree in computer science or engineering; strong technical leadership; AI tooling experience; hands-on software development; Agile experience; excellent problem-solving and communication skills.
C, C++, Python, Apache, Nginx, Redis, jQuery, PowerShell, React, Docker, Kubernetes, CI/CD, TDD, Agile
4w
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Software Engineer - Unity (Remote)
Princeton or United States
$84k-$97k/yr RemoteFull Time
Lingraphica
Lingraphica: Provides communication devices and therapy software for speech impairments.
3+ YOEBachelor's or equivalent experience, 3+ years software engineering, proficiency with Unity and C#, REST API development (Node.js), Git/GitHub, Agile; willing to travel within the U.S. up to twice per year.
Unity, C#, REST APIs, Node.js, Git, GitHub, AWS, Vercel, React Native, Generative AI, LLMs, AI APIs, Python, PostgreSQL, Firebase, Jira, Confluence, CI/CD, testing frameworks
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
2mo
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Lead Software Engineer (Hybrid)
Hartford or Charlotte or Short Hills
$130k-$176k/yr HybridFull Time
Selective Insurance
Selective InsuranceNASDAQ: SIGI: Provider of commercial and personal property and casualty insurance.
7+ YOESenior software engineer with .NET (C#, ASP.NET Core), Azure, AI, microservices, DevOps, and leadership experience.
C#, ASP.NET Core, Azure, Azure AI Services, REST, GraphQL, Docker, Kubernetes, Terraform, Bicep, ARM, CI/CD, DevOps, Terraform, Cloud, SAFe, Pega, Python, TensorFlow, PyTorch, Camunda, Appian, Angular, React, Kafka, RabbitMQ
1d
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Full stack developer (React)
Alpharetta or Berkeley Heights or New York City
OnsiteFull Time
Orion Innovation: Provides digital transformation, software engineering, and cloud services.
5+ YOE5+ years writing production code; backend experience with Python, Springboot, Java, REST APIS, Rails, or Laravel; required React; experience with product collaboration and writing tests.
Python, Springboot, Java, REST APIS, Rails, Laravel, React, Agile
4w
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Principal Software Engineer - Subscription & Paywall Platforms
Princeton, New Jersey, United States
$240k-$290k/yr HybridFull Time
Dow JonesNASDAQ: NWSA: A global news and business information provider delivering content across print, digital, mobile and live events.
12+ YOE12+ years software engineering experience with large-scale platform architecture; expertise in full-stack development, subscription/paywall systems, cloud-native architectures, APIs, databases, and applied ML for subscriptions.
React, Angular, TypeScript, NodeJS, SQL, NoSQL
2mo
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Full Stack Software Engineer
King of Prussia or Chantilly
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's in CS or related field; 5+ years OO language experience (Python focus); 2+ years JS/TS; SDLC; TS/SCI with Poly; full-time onsite; cloud, APIs, microservices; Agile.
Python, JavaScript, TypeScript, React, Angular, AWS, Azure, Kubernetes, Git, Jira, Confluence, REST APIs, Microservices