React Developer Jobs in Williamstown, NJ, 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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Senior Software Engineer I - (React Node)

Philadelphia, Pennsylvania, United States

$87k-$144k/yr OnsiteFull Time

ElsevierLondon Stock Exchange: REL: Provides scientific, technical, and medical research information and analytics.

Full stack React and Node experience; micro frontends; full SDLC; Agile experience; collaboration with cross-functional teams; knowledge of science/medicine domains.

React, Node.js, Micro Frontends

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Senior Software Engineer I - (React Node)

Philadelphia, Pennsylvania, United States

$87k-$144k/yr OnsiteFull Time

RELXLondon Stock Exchange: REL: Provides information-based analytics and decision tools for professional customers.

Frontend and backend with React and Node; experience with micro frontends; full SDLC; Agile; cross-functional collaboration; knowledge of science/medicine/education domains.

React, Node.js, Micro Frontends, Agile, CI/CD, Web accessibility

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Lead Java Full Stack Engineer with React and Angular (Hybrid)

Mount Laurel, New Jersey, United States

$68k-$140k/yr HybridFull Time

CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.

12+ YOESenior Java Full Stack lead (12+ years) with Java, React/Angular, Kafka, Redux, GitHub/Bitbucket, Nexus, and CI/CD; hands-on leadership in architecture, delivery, and team management.

Java, Spring Boot, HTML5, CSS3, JavaScript, React, Angular, Redux, Kafka, MQ, GitHub, Bitbucket, Nexus, REST, Microservices, CI/CD

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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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Software Developer

Chicago or Philadelphia or Orlando or Atlanta or Cleveland or Columbus or Cincinnati or Los Angeles or Dallas or Denver

$110k-$150k/yr HybridFull Time

BakerHostetler: Provides legal counsel and litigation services for corporate clients.

5+ YOE5+ years in software development; React, TypeScript, cloud platforms; API design; Azure; DevOps; AI integration.

React, TypeScript, JavaScript, HTML5, CSS3, Node.js, Python, C#, GraphQL, Azure, Git, OpenAI

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Senior Software Developer

New York City or Boston or Chicago or Los Angeles or San Francisco or Denver or Seattle or Philadelphia or Dallas or Detroit or Houston

HybridFull Time

HDR: Global firm providing architecture, engineering, and infrastructure consulting services.

6+ YOESenior software developer with 6+ years in web/application development; lead features, CI/CD, Azure; strong JS/TS, Vue/React; API design; AI exposure.

JavaScript, TypeScript, Vue, React, Next.js, HTML, CSS, Git, Azure DevOps, Jira, Node.js, .NET Core, PostgreSQL, MongoDB, Azure, Vercel, OpenAI

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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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Application Developer - 6247743

Bentonville or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Beaverton or Nashville or Detroit or San Diego

$44-$54/hr RemoteFull Time

AccentureNYSE: ACN: Global provider of management consulting and technology services.

2+ YOE2+ years IT experience; 1.5+ years Spring Boot; 1+ year React/React Native; High School Diploma/GED

Spring Boot, React, React Native, Apache Kafka, Microservices, Azure SQL, Cosmos DB

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Brkthru - Software Developer, CRM

Detroit or Philadelphia or Austin or Raleigh

$90k-$110k/yr RemoteFull Time

Brkthru: Provides managed digital advertising and media buying services.

5+ YOE5+ years software development; 2+ years CRM or complex business systems; React, TypeScript; Python; REST APIs; SQL; AWS; Jira; strong communication.

React, TypeScript, HTML/CSS, Python, REST APIs, JSON, PostgreSQL, AWS

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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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Senior Software Engineer

San Jose or Chicago or Philadelphia or Denver or Dallas or New York City or Century City or Garden City or Nashville or San Ramon or St. Louis or Bellevue or Woodland Hills or Irvine or Downtown Los Angeles or Boise or San Francisco or Austin or El Segundo

OnsiteFull Time

Armanino: Provides accounting, tax, auditing, and business consulting services.

5+ YOE5+ years of software development; strong TypeScript; 3+ years cloud (AWS/Azure/GCP); backend, NoSQL/SQL, React, Node.js; code reviews; mentoring; AI-enabled development.

TypeScript, React, Node.js, AWS, Azure, GCP, GraphQL, Infrastructure as Code, AWS CDK

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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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Senior Specialist, Full Stack Developer, Clinical Engineering & Operations

Princeton, New Jersey, United States

$78k-$95k/yr OnsiteFull Time

Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.

2+ YOE2+ years software development; Bachelor's in CS or related; Python/Java; React; AI concepts; AWS; SQL/NoSQL.

Python, Java, React, OpenAI, LangChain, AWS, Bedrock, SageMaker, Lambda, S3, DynamoDB, SQL, NoSQL

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Front-End Engineer (Healthcare Consulting)

Philadelphia, Pennsylvania, United States

$96k-$140k/yr HybridFull Time

Sellers Dorsey: Healthcare strategy and analytics firm serving Medicaid stakeholders.

3+ YOE3+ years of front-end development with React; knowledge of back-end/API operations; healthcare or regulated industry experience preferred.

React, JavaScript, Python, HTML, CSS, Tailwind, Redux, Zustand, Vite, Webpack, Jest, React Testing Library, Playwright, GitHub Actions, CI/CD, Node.js, NPM, Yarn, PNPM, CSS Modules

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Software Engineer (Full Stack) (Philadelphia, PA, US, 19106)

Philadelphia, Pennsylvania, United States

$43-$54/hr HybridContract

NomuraTokyo Stock Exchange: 8604: Global financial services group providing investment and wealth management.

4+ YOE4+ years of hands-on full-stack experience; AWS, Python, React; data pipelines; UI development; financial services domain preferred.

AWS, Python, SQL, React, Docker, Kubernetes, Airflow, Redshift, Snowflake, REST APIs, Jenkins, Gitlab, CI/CD

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Full-Stack Developer

Philadelphia, Pennsylvania, United States

$110k-$130k/yr OnsiteFull Time

Burro: Develops autonomous collaborative robots for agricultural and outdoor work.

Expert in TypeScript/React; maps/geospatial UI; API integration; frontend state management; performance with large datasets.

TypeScript, React, Mapbox GL, Leaflet, Redux Toolkit, Zustand, Tailwind, Radix/shadcn, Vite, Node, Postgres, JWT, API Keys, JWKS, Auth0, OIDC

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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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Senior Software Engineer (Philadelphia, PA, US)

Philadelphia, Pennsylvania, United States

OnsiteFull Time

Bentley Systems: Develops software for designing, building, and operating global infrastructure.

5+ YOE5+ years as a software developer; expert in JavaScript/TypeScript, Node.js and React; full-stack design knowledge; experience with web/desktop applications; familiar with APIs, security, Git.

JavaScript, TypeScript, React, Node.js, Git, APIs, Web security

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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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Full Stack Software Engineer, Vice President – Corporate Functions Technology

Quincy or Boston or Princeton or Clifton or Toronto

$125k-$215k/yr OnsiteFull Time

State StreetNYSE: STT: Provides financial services and asset management for institutional investors.

7+ YOE5+ years enterprise full-stack web development; React/JS/TS, Node.js, APIs, cloud, security/compliance, AI integration.

React, JavaScript, TypeScript, HTML5, CSS3, Node.js, Python, Java, SQL, NoSQL, AWS, Azure, Kubernetes, Databricks, Git, CI/CD, Infrastructure as Code

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Salesforce Software Engineer II

Hamilton, New Jersey, United States

$110k-$140k/yr HybridFull Time

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

2+ YOE2+ years software development; Salesforce Apex; Salesforce, Agentforce, Datacloud; GitHub, CI/CD, Agile/Scrum; Java; AWS; SF ISV; REST APIs; microservices; JavaScript/React; Lightning Web Components; observability; debugging; architecture.

Java, Salesforce Apex, SFDC, Agentforce, Datacloud, GitHub, CI/CD, Agile/Scrum, SFDX, SF CLI, AWS, REST APIs, JavaScript, React, Lightning Web Components, observability

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Software Engineer-Mobile Development (Android)

Philadelphia, Pennsylvania, United States

$65k-$80k/yr OnsiteFull Time

City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.

5+ YOEStrong proficiency in React Native with Android focus; solid Android fundamentals; experience with Android Studio, Gradle, Android SDK; Java/Kotlin/JavaScript/TypeScript; REST APIs; Git; AWS; SQL databases; automated tests; team collaboration.

React Native, Java, Kotlin, Android Studio, Gradle, Retrofit, Room, WorkManager, Google Play Console, AWS, Git, SQL, PostgreSQL, Oracle, MSSQL, Node.js, .NET Core, PHP, Docker, CI/CD, API design and development

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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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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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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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Full-Stack Engineer

Philadelphia, Pennsylvania, United States

HybridFull Time

CapTech: Provides technology and management consulting services to large enterprises.

6+ YOE6+ years with Microsoft Stack or Java; RESTful APIs; SQL Server/NoSQL on Azure/AWS/GCP; JavaScript/TypeScript front-end with Angular/React/Vue; AI tool experience; Git; distributed systems; strong communication.

Microsoft Stack, Java, REST API, Swagger/OpenAPI, SQL Server, NoSQL, Azure, AWS, GCP, JavaScript, TypeScript, Angular, React, Vue, Bootstrap, Git, AI tooling, OpenAI

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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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Python Developer / Engineer (US)

Mount Laurel or Fort Lauderdale

$79k-$128k/yr HybridFull Time

TD BankToronto Stock Exchange: TD: Provide retail, commercial, and wholesale banking and financial services.

5+ YOE5-7 years of relevant experience; strong Python/JavaScript stack; REST APIs; SQL/NoSQL databases; testing; Git.

Python, Node.js, Express.js, React.js, JavaScript (ES6+), MongoDB, PostgreSQL, MySQL, REST, Jest, Mocha, Git

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1mo

Mobile App Developer

Philadelphia, Pennsylvania, United States

$72k-$100k/yr HybridFull Time

Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.

3+ YOEBachelor’s degree in CS/Engineering; 3+ years mobile app development; Swift/Kotlin; cross‑platform frameworks; REST APIs; mobile UI/UX; App Store/Play deployment; Agile; health/pharma experience preferred.

Swift, Kotlin, Java, React Native, Flutter, RESTful APIs, Cloud Messaging APIs, Agile

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Drexel Co-Op: Fullstack Software Engineer

Philadelphia, Pennsylvania, United States

RemoteTemporary

NBME: Develops and manages medical licensing and healthcare professional assessments.

0+ YOEDrexel student in CS/IS/IT/MIS/Software Engineering; experience with Angular/React; Java/Python/AWS; strong communication; SDLC knowledge; automated tests a plus.

Angular, React, Java, Python, AWS

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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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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

2mo

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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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UI/UX Engineer

Princeton, New Jersey, United States

$94k-$113k/yr OnsiteAll Commitments Available

NIKSUN: Sells network security and performance monitoring hardware and software.

Deep UI/UX expertise with modern web tech, mentorship, and leadership to drive frontend product design and development.

HTML5, CSS3, JavaScript, React, Vue.js, Angular, Figma, Git, Webpack, Vite, Jest, Cypress, AWS, Azure, GCP, CI/CD, REST APIs