React Developer Jobs in Reamstown, PA, US

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Software Engineer III-Full Stack - Java/SpringBoot/React/AWS

Wilmington, Delaware, United States

OnsiteFull Time

JPMorgan ChaseNYSE: JPM: Global financial firm providing banking and investment management services.

3+ YOE3+ years software development with Java, Spring Boot, React; AWS; strong fundamentals.

Java, Spring Boot, React, AWS, Node.js, Oracle Database, PL/SQL, JPA/Hibernate, ECS, Splunk, CI/CD, GitHub Copilot, LLMs

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Application Developer / Engineer I

Atlanta or Wallingford or Louisville or Tampa or Indianapolis or Miami or Wilmington or Mason or Richmond or Des Moines

HybridFull Time

Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.

3+ YOEBA/BS in IT or CS; 3+ years in application/system development; .NET, Java, Angular/React; API development; SQL Server; MongoDB; cloud concepts; on-call support.

.NET, Java, Angular, React, APIs, SQL Server, MongoDB, Cloud

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2mo

Lead Developer

Allentown or Louisville or Providence

HybridFull Time

PPL CorporationNYSE: PPL: Provides electricity and natural gas to US utility customers.

5+ YOELead Developer with 5+ years experience; proficient in C#, JavaScript/TypeScript, frontend frameworks (Angular/React), SQL; experience with APIs and microservices; hybrid role in Allentown/ Louisville/ Providence.

C#, Java, TypeScript, Angular, React, SQL, Microservices, Cloud, APIs

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AI Agentic Software Engineer

West Chester, Pennsylvania, United States

HybridFull Time

ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.

2+ YOE2+ years full-stack development; .NET or Java; React; REST APIs; AI exposure.

React.js, .NET, Java, REST APIs, GitHub Copilot

1mo

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1mo

Senior Software Developer

Wilmington, Delaware, United States

HybridFull Time

Continental Finance Company: Markets and services credit cards for consumers with limited credit.

5+ YOE5+ years in software development; strong C#/.NET Core; AWS; SQL Server or PostgreSQL; REST APIs; distributed/microservices; React/JavaScript; Azure DevOps; secure coding practices.

C#, NET Core, React, AWS, SQL Server, PostgreSQL, REST APIs, Azure DevOps, JavaScript

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Full Stack Palantir Foundry Developer

Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle

$149k-$215k/yr HybridFull Time

BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.

5+ YOEFull stack software development with 5+ years experience; React/TypeScript; Python/PySpark; ontology/taxonomy development; Foundry experience preferred.

ReactJS, Redux, JavaScript, TypeScript, Python, PySpark, REST, Git, S3/Parquet

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1mo

Software Engineer

Buffalo Grove or Wilmington or Lewisville or Logan

RemoteFull Time

CSC: Provides global business administration and compliance solutions.

6+ YOE6+ years full stack software design/development; C#, .NET, ASP.NET, TypeScript, React; cloud (Azure/AWS/Google); microservices; containers (Docker/Kubernetes) and testing; strong communication and collaboration.

C#, DotNet, ASP.NET, TypeScript, React, Next.js, Vue.js, Svelte, Azure, AWS, Google Cloud, Docker, Kubernetes

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2mo

Senior Full-Stack Engineer

Culver City or Linthicum or Allen or Woodcliff Lake or Chicago or Orlando or Baton Rouge or Waltham or Phoenix or Harrisburg or West Valley City or Austin or Alpharetta or San Diego or Indianapolis or Lexington or Parma or Little Rock or Asheville or Birmingham or Chantilly or Washington or Brentwood or Plantation or Fort Collins or San Mateo or Schaumburg or Brooklyn

$140k-$180k/yr OnsiteFull Time

Motorola SolutionsNYSE: MSI: Provides safety and security technology for government and enterprise.

7+ YOE7+ years in software development; Bachelor's degree in CS/Engineering; backend (Node.js) and frontend (React) experience; API integrations; cloud and database experience.

Node.js, HapiJS, Python, JavaScript, React, SQL, Serverless, Lambda, CloudFormation, Elastic Beanstalk, EC2, VPC, DynamoDB, RDS, G Suite, Microsoft Graph, Okta, OneLogin, Slack, Linux, Docker, Datadog, CloudWatch, MQTT, log/data pipelines

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Full Stack Palantir Foundry Developer

Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle

$149k-$215k/yr HybridFull Time

BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.

5+ YOEBachelor's degree in CS/Software/Data Eng or related field; 5+ years full-stack software development; 5+ years React/JavaScript/TypeScript; 3+ years ontology/taxonomy development; 5+ years web development with ReactJS/Redux/JS/TS/HTML/CSS

Palantir Foundry, Workshop, Slate, React, TypeScript, Python, PySpark, REST, JDBC, S3/Parquet, Git

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Principal Software Engineer

Columbus or Chadds Ford or Plano or Draper or New York or Wilmington

$184k-$492k/yr HybridFull Time

Bread FinancialNYSE: BFH: Provides credit cards, consumer loans, and personal savings accounts.

15+ YOE15+ years in software development across full stack, frontend and backend; BS in CS or related field; strong Agile/DevOps focus; experience with Java, JavaScript, AWS, Azure, React, Angular, Flutter; leadership experience.

Agile Methodology, DevOps, Java, JavaScript, Microsoft Azure Functions, Microsoft Azure SQL, Full Stack Development, Amazon Web Services (AWS), React.js, Angular, Flutter

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Fullstack Software Engineer Staff - FULL TIME REMOTE

Colorado Springs or Helendale or Huntsville or King of Prussia or Littleton

$114k-$201k/yr RemoteFull Time

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

8+ YOE8+ years software development; React/Angular, TypeScript/JavaScript, C++/Qt or C#, CI/CD; SAFe/Agile; remote work experience.

React, Angular, TypeScript, JavaScript, C++, Qt, C#, HTML, CSS, Redux, NgRx, WebGL, Three.js, CI/CD, GitLab CI, Jenkins, Azure DevOps, Kafka, MQTT, AWS, REST, GraphQL

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Software Engineer, I - Java

Fort Washington, Pennsylvania, United States

$90k-$100k/yr RemoteFull Time

Office Practicum: Pediatric-specific electronic health records and practice management software.

2+ YOETwo+ years in Java 17+/Spring Boot; experience with React; healthcare IT standards; AI tools Claude; remote work; bachelor's degree or equivalent.

Java, Spring Boot, React, Delphi, Python, MySQL, MongoDB, Claude, AWS, Git, Subversion, REST, FHIR, HL7, CCDA, X12, Networking

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Senior Software Developer

Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh

$105k-$145k/yr HybridFull Time

GFT: Global firm providing engineering and infrastructure construction services.

5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.

SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software

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2mo

Senior Software Engineer

New Castle, Delaware, United States

$126k-$209k/yr HybridFull Time

Waters CorporationNYSE: WAT: Designs analytical instruments for laboratory testing and research.

5+ YOE5+ years designing and building large-scale applications; strong C#, .NET, REST APIs; React with TypeScript; CI/CD; Agile; SQL/PostgreSQL; excellent communication.

C#, .NET, ASP.NET, RESTful Web API, EF Core, PostgreSQL, React, TypeScript, GitHub, GitHub Actions, CI/CD, Kubernetes, Docker, SpecFlow, OWASP, PKI, X509, TLS, 21 CFR11

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2mo

Senior Software Engineer

New Castle, Delaware, United States

$126k-$209k/yr HybridFull Time

Waters CorporationNYSE: WAT: Provides analytical laboratory instruments, software, and consumables.

5+ YOEBS in Computer Science or related; 5+ years designing, building, and scaling complex large-scale apps; strong C#, .NET, React/TypeScript, REST, PostgreSQL; Agile, CI/CD, and solid communication.

C#, .NET, ASP.NET, REST, EF Core, PostgreSQL, React, TypeScript, GitHub, GitHub Actions, Kubernetes, Docker, CI/CD, TDD, BDD

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Senior Software Engineer - Full Stack

New York or Holmdel or Bethlehem

$95k-$156k/yr HybridFull Time

Guardian Life: Provides life, disability, dental, and vision insurance products.

6+ YOE6-8 years software development; 3+ years cloud native/SOA (AWS); 2+ years IaC (Terraform); API development with Java/Spring Boot/Node/.NET/Python; web tech with React/Angular/Typescript; AWS, Docker, Kubernetes; databases MySQL/PostgreSQL/SQL Server; CI/CD tools; microservices; collaboration with stakeholders.

Java, Spring Boot, Node.js, DOTNET, Python, React, Angular, TypeScript, AWS, Docker, Kubernetes, MySQL, PostgreSQL, SQL Server, Terraform, GitHub, Jenkins, Artifactory, Microservices

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2mo

Senior Software Engineer – Cloud & Full Stack

Wilmington or Columbus

$81k-$114k/yr OnsiteFull Time

CognizantNASDAQ: CTSH: Provides IT consulting, digital transformation, and business process services.

6+ YOE6+ years experience in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite role in Wilmington, DE or Columbus, OH; no visa transfer.

AWS, SQL, React Native, Spring Boot, Java, JavaScript, MySQL

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1mo

Full Stack Developer

Wilkes Barre or Conshohocken or Parsippany or Alpharetta

$78k-$180k/yr HybridFull Time

Berkshire Hathaway GUARD Insurance Companies: Provides property and casualty insurance products to small businesses.

5+ YOE5+ years in software development; 3+ years with C#/.NET; 3+ years with modern front-end frameworks; strong API, security, and Azure experience.

C#, NET, Azure, React, Angular, Vue.js, HTML, CSS, JavaScript, TypeScript, SQL, Git, OpenAPI

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Staff Software Engineer- Python

Oaks, Pennsylvania, United States

OnsiteFull Time

RevSpring: Provides patient engagement and payment solutions for healthcare providers.

8+ YOE8+ years OOP with Python; 8+ years SQL; 8+ years Git; Bachelor's; skilled in JS/TS/React/Node/Python; cloud (AWS/Azure/GCP); Docker; security basics.

JavaScript, TypeScript, React, Node, Python, Flask, AWS, Azure, GCP, Pulumi, Terraform, Docker, TCP/IP

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2mo

Lead Engineer, Digital Software Development

Wilmington, Delaware, United States

$100k-$171k/yr HybridFull Time

AAA Club Alliance: Provides travel, insurance, and roadside assistance to club members.

8+ YOELead engineering role with 8+ years in software development; strong React/Next.js, .NET APIs, SQL, Agile; professional certification preferred.

React, Next.js, .NET, SQL, Git, Google Analytics, Vercel

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Application Engineer - III

Malvern, Pennsylvania, United States

HybridFull Time

Vanguard: Provides mutual funds, ETFs, and investment management services.

5+ YOEFive+ years in software development; Angular, Node.js, AWS, REST APIs; CI/CD; observability; BS in CS or related; AWS cert preferred.

Angular, Stencil, React, Node.js, REST APIs, AWS, CloudFormation, ECS, DynamoDB, S3, IAM, Synthetics, GitHub, CI/CD, Splunk, Honeycomb, OpenTelemetry, GraphQL, Python, Confluence, JIRA

1mo

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1mo

Sr Software Developer

Philadelphia or Wayne

RemoteFull Time

RadianNYSE: RDN: Provides mortgage insurance and real estate risk management services.

5+ YOEBachelor's degree in CS or related field and 5 years of .NET web development with C#, EF, ASP.NET; experience with SQL Server/Oracle, REST/SOAP, XML/JSON; CI/CD, logging, security tools, Agile; strong problem solving and collaboration.

C#, Entity Framework, ASP.NET, Bootstrap, React, SQL Server, Oracle, REST, SOAP, XML, JSON, Log4Net, Serilog, New Relic, Splunk, Snyk, Veracode, Jenkins, Copado, Git, IIS, Jira, Rally, Visual Studio, VS Code, Active Reports, NUnit, MSTest, Qualtrics, Google Analytics, BizTalk, Boomi, SharePoint

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2mo

Senior Software Engineer – Cloud & Full Stack

Wilmington or Columbus

$81k-$114k/yr OnsiteFull Time

CognizantNASDAQ: CTSH: Delivers IT consulting and business process outsourcing services worldwide.

6+ YOE6+ years of experience; expert in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite in Wilmington, DE or Columbus, OH; visa transfer/sponsorship not offered.

AWS, Java, JavaScript, React Native, Spring Boot, SQL, MySQL, Microservices

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Software Engineer (Mid-level)

Springfield, Pennsylvania, United States

HybridFull Time

webuyanycar.com USA: Direct car buying service with instant valuations and payments.

3+ YOE3-5 years professional software development; cross-stack ability; strong collaboration; able to leverage AI tools; portfolio

.NET Core, Node.js, Python, React, Next.js, TypeScript, Azure, SQL Server, Microservices, Functions, Lambdas, CI/CD, Unit Testing, Automated Testing

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2mo

Forward Deployed Software Engineer (FDE)- Python

Chicago or Webster or Allentown or St. Petersburg or High Point or West Palm Beach or Irving or Tempe or Phoenix

$134k-$210k/yr HybridFull Time

PaychexNASDAQ: PAYX: Provider of integrated payroll, HR, and benefits outsourcing solutions.

7+ YOEBachelor's in computer field or equivalent; 7+ years experience; strong Python/Django, React, AWS; embedded systems; API design; customer-facing engineering; excellent communication.

Python, Django, React, AWS

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Senior Software Engineer - Finance

Hummelstown, Pennsylvania, United States

OnsiteFull Time

Flagger Force: Provides temporary traffic control and work zone safety services.

5+ YOE5-8 years software development with .NET; strong database, API, and security skills; finance domain knowledge.

C#, .NET Framework, .NET Core, MVC, WPF, React, SQL Server, PostgreSQL, APIs, Confluence

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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: 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

3mo

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3mo

Principal Software Engineer - 90402969 - Onsite - Washington DC, Wilmington, Philadelphia (Washington, DC, US, 20001)

Washington or Wilmington or Philadelphia

$125k-$161k/yr OnsiteFull Time

Amtrak: Provides intercity passenger rail services across North America.

7+ YOEBachelor's degree or equivalent; 7+ years experience; onsite 4-5 days; strong Java/JavaScript/TypeScript/SQL; Angular/React; Spring/SpringBoot; REST; cloud; data streaming

Java, JavaScript, TypeScript, SQL, Angular, React, Node.js, Spring, SpringBoot, REST, Cloud, Data streaming, Version control

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Sr Quality Engineer

King of Prussia, Pennsylvania, United States

OnsiteFull Time

FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.

5+ YOE5+ years automated testing of web apps; Proficient in Python, JavaScript, or TypeScript; Playwright or Selenium; Cucumber; CI/CD with Jenkins or GitLab; API testing with Postman; strong problem-solving and communication in Agile

Playwright, Selenium, Cucumber, SQL, NoSQL, Locust, Jenkins, GitLab, Postman, Confluence, Prometheus, Grafana, Python, JavaScript, TypeScript, React, Flutter

2mo

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2mo

Senior Software Engineer

Mechanicsburg or Yorktown

RemoteFull Time

Sev1Tech: Provides IT, engineering, and program management services for government.

7+ YOEDOD Secret clearance required; Security+ certification; Bachelor’s degree with 7+ years’ experience; experience with microservices, containers, CI/CD, and Agile/SAFe.

Java, Spring Boot, Linux, JavaScript, TypeScript, Vue.js, React, HTML, CSS, Axios, Maven, JUnit, Docker, Docker Compose, REST, SOAP, CI/CD, Jira, Azure DevOps, GitLab, SAFe, Agile, API Design and Management, Microservices, Cloud (AWS), Testing (unit, integration, functional, E2E, 508)

1mo

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1mo

Lead, Software Engineer - Salesforce

Newark or Portland or Fort Washington or Washington Street, Newark

$134k-$220k/yr OnsiteFull Time

Prudential FinancialNYSE: PRU: Provides insurance, investment management, and retirement services globally.

Lead Software Engineer - Salesforce with strong DevOps, security, and Salesforce expertise; proficient in Python/Java/JS; agile, collaborative leader.

Salesforce, Python, Java, JavaScript, React, Spring Boot, Node.js

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US E- GPS Consulting Services- Senior Cross Platform Mobile Developer (329512)- Customer/S&S- USDC- MySource #662496 (AS)

Gilbert or Lake Mary or Mechanicsburg or Atlanta or Charlotte or Dallas or Houston or Philadelphia

HybridFull Time

Deloitte: Provides professional audit, consulting, advisory, and tax services.

4+ YOEBachelor's degree; 4+ years cross‑platform mobile apps; 2+ years Flutter/Dart; 2+ years web tech (HTML/CSS/JS; Angular/React); US work authorization; hybrid work location to US Delivery Center or Geo‑Hub; up to 30% travel; relocation within 12 weeks.

Flutter, Dart, HTML, CSS, JavaScript, Angular, React, IntelliJ, Android Studio, VS Code, Git, Azure DevOps, TFS

2mo

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2mo

Full Stack Developer

Aberdeen, Maryland, United States

$108k-$228k/yr OnsiteFull Time

CACINYSE: CACI: Provides technology and expertise for national security and government missions.

5+ YOEBachelor's degree or equivalent experience; 5+ years in full stack development; strong Java, front-end, and database skills; cloud and container tech a plus; Secret clearance (minimum).

Java, Spring Boot, Vaadin, Jakarta EE, HTML, CSS, JavaScript, React, Angular, Vue.js, SQL, MySQL, PostgreSQL, MongoDB, Git, AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD

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Optimization Tech Debt Engineer (Engineer Software 2) - 27217 (Aberdeen Proving Ground, MD, Remote, United States)

Aberdeen Proving Ground, Maryland, United States

$78k-$90k/yr RemoteFull Time

HIINYSE: HII: Builds naval ships and provides global defense technology solutions.

2+ YOE2 years experience with Bachelors in related field; 0 years with Masters; or HS diploma with 6 years relevant experience; Linux, Agile, Java/JavaScript, Node.js, React.js, C++/C#, Visual Studio; active Secret Clearance.

Java, JavaScript, Node.js, React.js, C++, C#, Linux, Confluence, Jira, Git, Visual Studio

2mo

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2mo

Staff AI/ML Engineer (Large Language Model) (TS/SCI) {S}

King of Prussia, Pennsylvania, United States

OnsiteFull Time

ARKA Group: Provides advanced space technology and optical systems for national security.

8+ YOELead multidisciplinary AI/ML efforts; 8+ years in software/data roles with LLM experience; TS/SCI clearance; strong Python and ML libraries; experience with LLM deployment and RAG.

Python, NumPy, Pandas, Polars, scikit-learn, Git, GitLab, Bitbucket, Weaviate, Pinecone, pgvector, LangChain, DSPy, Microsoft Agent Framework, AWS, llama.cpp, vllm, tgi, ReAct

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Advanced Software Engr

Fort Washington, Pennsylvania, United States

OnsiteFull Time

HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.

5+ YOE5+ years software engineering; AI/data-driven integration; strong in C++, C#, Java, Python, or HTML/React; experience with Docker and Kubernetes.

Docker, Kubernetes, C++, C#, Java, Python, HTML, React

1mo

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1mo

Technology Lead - US

Addison or Atlanta or Newark or Pennington

OnsiteFull Time

InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.

4+ YOEBachelor’s degree or foreign equivalent; 4+ years IT experience; .NET, Angular/React, Oracle PLSQL/SQL Server; banking domain a plus; willing to relocate to listed US locations.

.NET, Angular, React, Oracle, PLSQL, SQL Server, HTML5, CSS3, JavaScript

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Power Platform Developer and Business Analyst, Senior

Aberdeen Proving Ground, Maryland, United States

$55k-$126k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

3+ YOE3+ years managing SharePoint; Power Platform development; coding basics; process improvement; secret clearance; HS diploma with 15+ years analytics, or a degree with 8+ years, or Masters with 5+ years.

Power Platform, Power Apps, Power BI, SharePoint, SQL, Python, C#, JavaScript, React, Angular, Node.js, MVC

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Software Engineer Manager

South Windsor or South Windsor

OnsiteFull Time

TicketNetwork: Marketplace and software provider for the live event ticketing industry.

5+ YOE5+ MgmtHands-on software engineering manager with 5+ years leading teams, strong MS tech stack, cloud, CI/CD, and SDLC ownership.

C# / .NET, Microsoft SQL Server, T-SQL, REST, HTML, CSS, JavaScript, Azure, AWS, CI/CD, Docker, Kubernetes, React, Angular