React Developer Jobs in Pen Argyl, PA, US

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Senior Full Stack Developer (React)

New Hyde Park or Moline or Hartford or Framingham or West Palm Beach or Norcross or Chicago or Milwaukee or Baltimore or Piscataway or United States

$125k-$150k/yr RemoteFull Time

Parts Authority: Distributes automotive and truck replacement parts to the aftermarket industry.

5+ YOE5+ years full-stack production experience; Python (FastAPI/Flask) and React (TypeScript); AI/ML integration; Kafka; PostgreSQL; Redis; strong communication.

Python, FastAPI, SQLAlchemy, Pydantic, React, TypeScript, Tailwind, Redis, PostgreSQL, Kafka, Databricks, MLflow, Docker, Kubernetes, GitHub Actions, Terraform, ODBC, Data Queues, WebSockets, FastAPI, RH other

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UI Developer

Whippany, New Jersey, United States

$161k-$161k/yr HybridFull Time

BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.

3+ YOEExperience designing and developing UI using React and TypeScript; collaborative, secure coding practices, and unit testing.

React, TypeScript, Unit Testing, CI/CD

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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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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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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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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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Lead Full Stack Java Developer - Vice President

Rutherford, New Jersey, United States

$142k-$213k/yr HybridFull Time

CitiNYSE: C: Providing global banking, investment, and wealth management services.

6+ YOESix+ years in software development with Java, React, Spring Boot; microservices, cloud, CI/CD; Oracle DB; Agile; strong full‑stack capabilities.

Java, JavaScript, React, Spring Boot, Oracle, Docker, Jenkins, OpenShift, AWS, Maven, Gradle, SQL, PL/SQL, 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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Full Stack Python Developer

Berkeley Heights, New Jersey, United States

OnsiteFull Time

Orion Innovation: Provides digital transformation, software engineering, and cloud services.

5+ YOE5+ years production code experience; Python; Django/Rails/Laravel; React; Bachelor's degree in CS or Engineering or equivalent; collaborate with product teams; build scalable applications; write unit/integration tests.

Python, Django, React, Rails, Laravel, Unit testing, Integration testing, Web development

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Java Fullstack Developer (New York, NY, US)

Whippany, New Jersey, United States

$68k-$109k/yr OnsiteFull Time

CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.

Experience with Java, Spring, REST microservices, Kafka/AWS, DevOps CI/CD, and React/Angular in financial services domain.

Java, Spring, Kafka, AWS, Docker, Kubernetes, GitLab, Jenkins, Prometheus, Grafana, ELK, React, Angular, OAuth2, JWT, REST, RESTful APIs

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2mo

Staff Frontend Engineer, DC Infrastructure Tooling

Livingston or New York or Bellevue or Sunnyvale or Livingston

$188k-$275k/yr HybridFull Time

CoreWeaveNasdaq: CRWV: Cloud platform providing GPU infrastructure for AI workloads

7+ YOE7+ years frontend engineering with TypeScript and React; high-performance, data-dense UIs; infrastructure domain experience; strong communication and ownership.

TypeScript, React, GraphQL, REST APIs, WebGL, Virtualization

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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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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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Principal Software Developer

Pittston, Pennsylvania, United States

$120k-$155k/yr HybridFull Time

Berkshire Hathaway Direct Insurance CompanyNYSE: BRK.B: Provides direct commercial insurance for small business owners.

10+ YOE10+ years of software development experience in C#/.NET; senior technical role; RESTful APIs; cloud services (Azure); monolith and microservices; CI/CD; strong communication.

C#, .NET, Azure, REST APIs, CI/CD, TypeScript, Angular, React

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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

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Software Developer - Hybrid (Princeton, NJ, US, 08540)

Princeton, New Jersey, United States

$83k-$138k/yr HybridFull Time

NRG EnergyNYSE: NRG: Provides electricity generation, retail power, and smart home services.

1+ YOE1–5 years .NET/web development; SQL Server, Dapper, EF; React.js; AI services; energy trading exposure preferred.

C#/.NET, React, SQL Server, Dapper, Entity Framework, RESTful APIs, Git, CoPilot/Cursor/Claude

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Full Stack Engineer

Boston or Princeton

$140k-$155k/yr HybridFull Time

RxSense: Provides software platforms for pharmacy benefits and prescription savings.

5+ YOESenior software engineer with 5+ years of web app development in C#/ .NET, full stack experience, AWS, and modern front-end tech.

C#/.NET, .NET Core, MVC, WebAPI, IIS, JavaScript, React, Angular, HTML, CSS, AWS, EC2, ALBs, RDS, Beanstalk, API Gateway

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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 Full Stack Software Engineer

Berkeley Heights or Sunnyvale

$98k-$164k/yr OnsiteFull Time

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

5+ YOE5+ years in software engineering; strong Java, Spring Boot; React/TypeScript; relational and document databases (MySQL, MongoDB); cloud familiarity; payments/fintech experience preferred.

Java, Spring Boot, React, TypeScript, MySQL, MongoDB

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Staff Software Engineer

Trumbull or Livingston

HybridFull Time

CooperSurgicalNasdaq: COO: Manufactures medical devices for fertility and women's health.

10+ YOEOver 10 years of software development experience; strong backend with .NET/C#, EF, PostgreSQL, MS SQL; frontend expertise; AWS; DevOps; containers; leadership and mentoring.

.NET, C#, Entity Framework, PostgreSQL, MS SQL, WPF, Azure Webservices, HTML5, CSS3, JavaScript, jQuery, Bootstrap, Vue.js, React, Next.js, AWS, S3, RDS, EC2, Git, CI/CD, Docker, Kubernetes, Terraform

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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 AI Engineer

South San Francisco or Princeton or Thousand Oaks or Bellevue or New York

HybridFull Time

ZS: Global management consulting and technology firm for healthcare and life sciences.

AI Engineer with software development and LLM solution experience; strong Python, LLM patterns/tools, cloud platforms (AWS, Databricks, Azure), and DevOps; design and deliver scalable software; cross-functional collaboration.

Python, Javascript, FastAPI, Django, AWS, Databricks, Azure, Terraform, CloudFormation, React, Next.js, Tailwind CSS, LangChain, DSPy, Docker, Kubernetes, Redis, Unity Catalog, OpenAI API, Anthropic, AWS Bedrock, RAG, Vector DB, PEFT, LoRA

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2mo

Engineer Lead

Newtown, Pennsylvania, United States

$126k-$135k/yr RemoteFull Time

Law School Admission Council: Administers the LSAT and facilitates law school admissions processes.

5+ YOELead engineer with Generative AI experience; strong agile leadership; full-stack expertise; AI enablement and GitHub Copilot governance; Azure/OpenAI knowledge; RAG and responsible AI practices.

Git, GitHub Copilot, Azure DevOps, Azure, OpenAI APIs, LangChain, Semantic Kernel, Pinecone, Chroma, pgvector, React, C# .NET, SQL, Oracle, Cosmos DB

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Software Engineer - R&D

Rome, New York, United States

$107k-$183k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.

6+ YOEBachelor’s degree in CS/IS/Engineering; 6+ years software development; Jira/Confluence; proficiency in C++, Go, Rust, JavaScript, React/TypeScript; front-end tech (HTML/CSS/Angular); Git/GitLab CI/CD; Docker/Kubernetes; REST APIs; Linux; MongoDB; AWS/Azure.

Jira, Confluence, C++, Go, Rust, JavaScript, React, TypeScript, HTML, CSS, Angular, Git, GitLab, Docker, Kubernetes, REST APIs, Linux, MongoDB, AWS, Azure

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Java Full Stack Software Engineer - Remote

Basking Ridge, New Jersey, United States

$92k-$164k/yr RemoteFull Time

UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.

8+ YOE8+ years in full-stack development; 5+ years Java; 4+ years ReactJS; 1+ year Python; experience with microservices, CI/CD, REST APIs, serverless, containers, IaC, cloud platforms; Agile/Scrum experience

Java, ReactJS, Python, Splunk, MongoDB, CI/CD, REST API, Serverless, Containerization, Infrastructure as Code, Azure, AWS

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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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Technology Consultant 2

Boston or Princeton

HybridFull Time

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

Core Java, microservices, REST API, Git, testing (JUnit/Mockito), Spring Boot, React is a plus; Bachelor's degree; relocation/travel willingness; US work authorization.

Java, Spring, Spring Boot, REST API, Git, JUnit, Mockito, React, Oracle, PL/SQL

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Sr. AI Engineer

Pittsburgh or Whippany

$92k-$140k/yr OnsiteFull Time

ConnectiveRx: Technology-enabled patient support and medication access solutions.

3+ YOEDesigning and implementing AI automation, AI tooling, Python and AWS; 3–5+ years AI tech; 10+ years IT experience; healthcare exposure preferred.

Python, AWS, Next.js, React, Cursor, GitHub Copilot, Q Developer

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Associate Solutions Engineer - AI

Piscataway, New Jersey, United States

$75k-$150k/yr OnsiteFull Time

SHI International: Global provider of IT solutions, hardware, and software services.

Early-career engineer with strong ML/AI foundations and customer-facing skills; capable of designing, validating, and implementing AI-powered solutions.

Python, PyTorch, CUDA, TensorRT, XLA, LoRA, Reinforcement learning, Kernels, Docker, React, Node.js

2mo

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2mo

Senior Payments Full Stack Java Developers

Charlotte or Iselin

$119k-$224k/yr OnsiteFull Time

Wells FargoNYSE: WFC: Provides diversified financial services including banking, investments, and mortgage products.

4+ YOE4+ years software engineering; 4+ years full stack; 4+ years J2EE (REST/SOAP); strong in Java, Spring Boot, ReactJS; experience with messaging and Kafka; cloud DevOps; on-site at listed locations.

Java, Spring Boot, ReactJS, JMS, Kafka, Confluent Platform, MongoDB, CI/CD, DevOps, Splunk, Grafana

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Senior Manager, Software Development

Princeton or Utrecht or Copenhagen

$132k-$197k/yr HybridFull Time

GenmabNASDAQ: GMAB: Develops antibody-based medicines to treat cancer and serious diseases.

8+ YOE8+ years in full-stack software development with integration, CI/CD, data enablement, and security focus.

React, Angular, Vue.js, Node.js, Python, Java, Informatica IICS, REST, Docker, Kubernetes, GitHub, GitLab, Terraform, CloudFormation, CDK

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Software Engineering Senior Advisors- Hybrid

Morris Plains, New Jersey, United States

$130k-$217k/yr HybridFull Time

The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.

2+ YOEMaster’s degree in CS with 2 years software engineering (or Bachelor’s with 5 years); strong front-end (JS, TS, React) and UI testing; REST, CI/CD; Agile; security/compliance.

JavaScript, TypeScript, HTML/CSS, React, Redux, REST, Git, Jenkins, CI/CD, Material UI, Jest, Cypress

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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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Lead AI Solutions Architect - Full Stack

Princeton or Glen Allen or Coppell or Waltham or Philadelphia or Riverwoods or New York City or Chicago or Houston

$129k-$226k/yr HybridFull Time

Wolters KluwerEuronext Amsterdam: WKL: Provides professional information and software solutions for specialized industries.

10+ YOELeadership-focused AI solutions architect with 10+ years in full-stack engineering, GenAI/Agentic AI, data science, AI/ML, and applied AI engineering; proven leadership and mentoring experience.

Python, FastAPI, Angular, React, LangChain, LlamaIndex, SQL, NoSQL, Azure, AWS

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Specialist Programmer

Austin or Bridgewater or Charlotte or Phoenix or Raleigh or Richardson

$90k/yr OnsiteFull Time

InfosysNYSE: INFY: Provides global IT consulting and digital transformation services.

0+ YOEBachelor's degree or equivalent; strong programming knowledge across listed tech stacks; willingness to relocate; campus hiring assessment.

Java, Spring Boot, Microservices, Angular, React, Docker, Kubernetes, Node.js, ExpressJS, MongoDB, Python, PySpark, Hadoop, Spark, Kafka, Airflow, Beam, LangChain, NLP

2mo

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2mo

Research and Development Solution Architect - Digital Lab Operations

Morristown or Cambridge

$134k-$193k/yr OnsiteFull Time

SanofiNASDAQ: SNY: Develops and manufactures pharmaceuticals and vaccines for global patients.

5+ YOE5-8+ years of solution architecture experience; CS/IS/Software Engineering background; strong IT governance, GxP, HIPAA, GDPR knowledge; English communication; vendor management; cross-functional collaboration.

Snowflake, GitHub, IICS, Python, OpenShift, ReactJS, SQL, AWS, Azure

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Sr Director - Software Development (Platform Engineering and Modernization)

Irving or Basking Ridge or Miami

$177k-$339k/yr HybridFull Time

VerizonNYSE: VZ: Provides wireless, fiber-optic internet, and telecommunications services globally.

10+ YOEBachelor’s degree; 10+ years in enterprise tech; leadership in large-scale software transformation; experience with BSS platforms, product catalog, integrations; cloud-native and GenAI practices.

React, NodeJS, Spring Boot, Cassandra, PEGA, Martech Platforms