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143 software engineer react jobs at 65 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
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
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1mo
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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.
Experienced front- and backend software engineer familiar with DevSecOps, GitLab/GitHub, Docker, Kubernetes, web frameworks (.NET Core, Spring Boot, Angular, React), automated testing tools (Cypress, Playwright, Postman), US citizenship and ability to obtain Secret clearance.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman
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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
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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
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1mo
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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
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2mo
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Software Engineer
Chicago or St. Louis or Philadelphia
$75k-$95k/yr HybridFull Time
ProSight Financial Association
ProSight Financial Association: Professional association for financial services research and training.
3+ YOE3+ years software engineering experience with .NET/C#, SQL, Microsoft Azure (Functions, App Services, DevOps), front-end skills (HTML, CSS, JavaScript, React.JS/Angular JS), containerization (Docker, Kubernetes), and CI/CD practices.
.NET, C#, SQL, Microsoft Azure, Azure Functions, Azure App Services, Azure DevOps, HTML, CSS, JavaScript, React.JS, Angular JS, Docker, Kubernetes, Microsoft SQL Server, MySQL, PostgreSQL, Terraform, ARM templates, PHP, CI/CD, RESTful APIs
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2mo
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Software Developer | C# | ETF | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
3+ YOE3+ years software development; BS or MS in Computer Science, Computer Engineering or similar; proficient in Python and JavaScript/TypeScript; experience with C++ and React; visa sponsorship available.
Python, JavaScript, TypeScript, C++, React, Linux
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2mo
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Lead Software Engineer
Atlanta or Kansas City or Philadelphia Area
HybridFull Time
Reply
ReplyBorsa Italiana: REY: Digital transformation, IT consulting, and system integration services.
7+ YOE3+ Mgmt7+ years in software development; 3+ years in technical lead; strong C#, SQL; React and TypeScript; Azure cloud; CI/CD with GitHub or Azure DevOps; travel up to 20%.
C#, React, SQL, TypeScript, Azure, GitHub, Azure DevOps
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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
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1mo
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Software Engineer I
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
5+ YOEBachelor's in CS/CE or equivalent experience, 5+ years programming experience, full‑stack skills (React/Angular/JavaScript, Spring), relational DB design, Agile, CI/CD, troubleshooting, and strong communication.
Java, RPG, React, Angular, jQuery, HTML, JavaScript, CSS, Spring framework, Spring-MVC, myBatis, RESTful APIs, Agile, CI/CD, DevOps Tools
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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
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2mo
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Intermediate Quality Software Engineer
Cedar Rapids or Denver or Philadelphia
$73k-$97k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
3+ YOEBachelor’s degree in Computer Science or related field; 3 years in distributed applications, databases, and microservices; 3 years in software quality engineering with automated/manual testing.
Selenium, Cypress, Playwright, Postman, REST-assured, NUnit, JUnit, Cucumber, SpecFlow, Meter, Dynatrace, AppDynamics, Splunk, Git, Jenkins, Azure DevOps, Docker, Kubernetes, OpenShift, AWS, Azure, Cosmos DB, Event Hubs, Data Factory, SQL Data Warehouse, ARM Templates, Angular, React, Vue.js, ASP.NET, HTML, JavaScript, CSS
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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
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2mo
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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
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3w
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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
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1mo
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Full Stack Software Engineer
New York City or Philadelphia or San Francisco
$150k-$220k/yr HybridFull Time
Treeswift
Treeswift: Provides AI-augmented vegetation management and asset monitoring for utilities.
4+ YOEBachelor's in CS/CE/Math, 4+ years full-stack experience, proficiency with Python, TypeScript, React; experience with AWS, WebGL, user auth, CI/CD and geospatial/imagery data a plus.
Python, TypeScript, React, AWS, WebGL, CI/CD, LiDAR, User Auth
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2w
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Sr Software Engineer - Java
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
6+ YOE6+ years software delivery experience; strong Java and Spring Boot; experience with datastores, DevOps/CI/CD, Git; bachelor's degree or equivalent experience.
Java, Spring Boot, React, Kubernetes, Docker, Helm, Gradle, Git, GitLab CI, Linux, Windows CLI, CI/CD, GitOps
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3w
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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
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1mo
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Software Engineer - Federal Geospatial (Hub-Remote: DC or Philly Metro)
Alexandria or Philadelphia or Washington
$105k-$141k/yr RemoteFull Time
Element 84: Builds cloud-native geospatial software and data processing pipelines.
5+ YOE5+ years as a software engineer; experience with Python, JavaScript, Clojure, React, AWS (S3, IAM, Lambda); full-stack development, automated testing/CI, Scrum experience; bachelor's in a technical major preferred; must live within 100 miles of Alexandria, VA or Philadelphia, PA and be authorized to work in the US without sponsorship.
Python, JavaScript, Clojure, React, Amazon Web Services (AWS), S3, IAM, Lambda, node.js, JIRA, Confluence, Bamboo, MacOS X
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1w
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Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
Venerable
Venerable: Manages and optimizes legacy variable annuity business blocks.
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
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