React Developer Jobs in Blandon, PA, US

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Lead Software Engineer - Java/React Fullstack

Wilmington, Delaware, United States

OnsiteFull Time

JPMorgan ChaseNYSE: JPM: Provides global investment banking and consumer financial services.

5+ YOE5+ years of applied experience in software engineering; hands-on system design and development; proficiency in Java, Python, React, AWS; knowledge of CI/CD, agile practices; cloud-native experience.

Java, Python, React, AWS, CI/CD, Cloud

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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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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

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Software Engineer

Center Valley, Pennsylvania, United States

OnsiteFull Time

Shift4NYSE: FOUR: Provides integrated payment processing and point-of-sale solutions for merchants.

3+ YOEMid-level frontend/backend developer with 3+ years experience in JavaScript/React/TypeScript, Node.js, NextJS; solid CI/CD, testing, and code review skills.

JavaScript, React, CSS, HTML, Node.js, NextJS, Typescript, Git, Tailwind CSS, Mocha, Xunit

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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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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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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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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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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

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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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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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Principal Software Engineer

Dresher or Philadelphia

OnsiteFull Time

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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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

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2mo

Senior Full Stack Engineer

Austin or Ann Arbor or Scottsdale or Wayne

$145k/yr HybridFull Time

DaySmart: Software for managing service-based business operations and scheduling.

5+ YOE5+ years web development with PHP/JavaScript; Laravel experience; strong communication; problem-solving; capable in fast-paced environments.

PHP, JavaScript, Laravel, Vue.js, React, AlpineJS, jQuery, REST API, AWS

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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

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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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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

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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

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2mo

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

King Of Prussia, Pennsylvania, United States

OnsiteFull Time

ARKA: Develops advanced optical systems and space-based sensing technologies.

8+ YOE8+ years in software or data science; strong Python; LLM experience; TS/SCI clearance.

Python, NumPy, Pandas, Polars, scikit-learn, Git, GitLab, Bitbucket, LangChain, DSPy, Weaviate, Pinecone, OpenAI, Bedrock, llama.cpp, vllm, ReAct, PEFT, CUDA, CuPy, Numba, CuSignal, CuDF, AWS, EC2, S3, Lambda

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Technical Architect (Radnor, PA, US)

Radnor, Pennsylvania, United States

HybridFull Time

RS GroupLondon Stock Exchange: RS1: Distributes industrial and electronic products and technical solutions.

10+ YOE10+ MgmtMaster’s degree in Computer Science or related; 10+ years in product leadership; expertise in JavaScript, TypeScript, React, Vue; distributed systems; cloud (Azure/AWS); analytics; API design; security; leadership and mentorship.

JavaScript, TypeScript, React, Vue, AWS, Azure, GraphQL, C#, ASP.NET, SQL, NoSQL, Elasticsearch, Amplitude, Google Analytics

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1mo

Associate Principal Consultant

North Wales, Pennsylvania, United States

OnsiteFull Time

Jade Global: Provides IT consulting and enterprise software implementation services.

4+ YOEBachelor’s degree plus 4 years of experience in development and architecture; strong .NET, Azure, frontend frameworks, and cloud integration skills.

.NET, Azure, React, Next.js, Angular, HTML, CSS, JavaScript, TypeScript, jQuery, Entity Framework, REST APIs, SQL Server, MySQL, MongoDB, Salesforce APIs, Git, CI/CD, SSRS, SSIS

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Infrastructure Engineering, AVP

Quincy or Boston or Princeton or Clifton or Austin or Kansas City or Berwyn or Kilkenny or Dublin or London or Krakow or Quincy

$90k-$158k/yr HybridFull Time

State StreetNYSE: STT: Provides investment servicing and management to institutional investors.

7+ YOEAVP-level infrastructure engineering role requiring 7+ years Python, full stack development, network automation, SDLC, REST/JSON/XML, and hybrid work model.

Python, Django, REST, JSON, XML, HTML, CSS, JavaScript, React, Bootstrap, Git, CI/CD, Automation, Networking

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Software Development Specialist III

Conshohocken or United States

$100k-$135k/yr RemoteFull Time

AECOMNYSE: ACM: Provides infrastructure consulting and engineering services for global projects.

4+ YOEBA/BS in Information Science, Data Analytics, Computer Science, or related field plus 4+ years experience; experience with Power Platform, dashboards, relational databases; US Citizenship required.

Power Platform, Power Apps, Dataverse, Power Automate, Power BI, Power Portals, Microsoft 365, ETL, Relational databases, Object-oriented programming, JavaScript, Python, C#, HTML5, REACT, ArcGIS

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SAP iXP Intern - Security AI & Automation Development (Newtown Square PA) (Newtown Square, PA, US, 19073)

Newtown Square, Pennsylvania, United States

$15-$62/yr HybridMultiple Commitments Available

SAPFrankfurt Stock Exchange: SAP: Sells enterprise resource planning and business management software solutions.

Pursuing or has completed a degree in computer science or related field; hands-on with Python, GoLang; experience with Docker, Kubernetes; familiarity with ML frameworks; strong problem solving and collaboration; internship/entry-level acceptable.

Python, GoLang, Docker, Kubernetes, React, SAP UI5