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130 senior react developer jobs at 56 companies in Philadelphia, PA

2mo
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React Developer_CVS_Woonsocket, RI
Woonsocket, Rhode Island, United States
$40k-$140k/yr OnsiteFull Time, Contract
Photon: A technology-focused professional services firm delivering scalable software solutions.
5+ YOE5+ years front-end experience; strong React, HTML/CSS/JS; state management; large-team experience; performance debugging.
React, TypeScript, JavaScript, HTML, CSS, Redux, Zustand, TanStack Query, Webpack, Vite, Module Federation
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2w
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Lead Software Engineer - Python/React/AWS/AI
Wilmington, Delaware, United States
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience with system design, application development, SDLC, CI/CD, cloud-native systems, and applied AI-assisted development; strong Python, Java, React, and AWS skills.
Python, Java, React, AWS, AI
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1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
PPL
PPLNYSE: PPL: Provides electricity and natural gas to millions of customers.
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
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1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
Chemours
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
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1w
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
United States or Philadelphia
RemoteFull Time
CoverGo
CoverGo: No-code insurance platform for life, health, and P&C insurers.
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years leading teams, proficiency with .NET Core/C#, GraphQL, MongoDB, Docker, JavaScript and Vue.js/React, cloud platforms, TDD and DDD, strong communication and problem-solving.
.NET Core, C#, GraphQL, MongoDB, Docker, JavaScript, Vue.js, React.js, AWS, Azure, Google Cloud
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1d
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Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
Significant production software experience with deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
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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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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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2mo
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Senior Software Engineer - Full Stack
New York City or Holmdel or Bethlehem
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
6+ YOE6+ years software development; 3+ years with service-oriented/cloud-native (AWS); 2+ years Terraform; API development with Java, Spring Boot, Node JS, .NET, or Python; React/Angular/Typescript; Docker/Kubernetes; My SQL/Postgress/SQL Server; CI/CD with GitHub/Jenkins/Artifactory.
AWS, Terraform, Java, Spring Boot, Node JS, .NET, Python, React, Angular, Typescript, Docker, Kubernetes, My SQL, Postgress, SQL Server, GitHub, Jenkins, Artifactory
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Mobile Architect (React Native)
Malvern or Charlotte
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
8+ YOE8+ years related experience with 3+ years technology architect experience; strong expertise in React Native, TypeScript, cross-platform iOS/Android development; proven architecture and stakeholder influence skills.
React Native, TypeScript, React, AWS, DevOps, CI/CD
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2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Researches and develops medicines to treat major diseases globally.
5+ YOEBachelor's in CS or related plus 5+ years pharma experience; 5+ years with Veeva CRM/OCE/Salesforce, Veeva Vault, Snowflake, Databricks, Apex, React, APIs, MuleSoft/SnapLogic; Veeva certifications required.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
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2w
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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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1mo
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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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Senior Full Stack Engineer - Team Lead
Seattle or Chicago or Boston or Austin or Tampa or Philadelphia or Salt Lake City or Providence or Portland or Atlanta or Raleigh or Nashville or Columbus or Phoenix
RemoteFull Time
RxVantage
RxVantage: Software platform connecting healthcare providers with life science resources.
8+ YOE8+ years software engineering experience with React, TypeScript, Node.js, API design (GraphQL/REST), SQL/PostgreSQL, data pipelines, CI/CD, cloud (AWS) and team leadership.
React, TypeScript, GraphQL, REST, Node.js, SQL, PostgreSQL, Nx, Turborepo, Yarn Workspaces, Python, AWS, Jira, Confluence, Claude Code, React Native, Capacitor
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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 and market making firm.
5+ YOE5+ years software engineering experience; strong hands-on C#, Python, and React/JavaScript; full-stack backend/frontend comfort; excellent communication; Bachelor’s in CS, CE, math, physics or related.
C#, .NET, Python, React, JavaScript, Microsoft Excel
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3w
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Senior Software Engineer – Mobile Development (Android)
Philadelphia, Pennsylvania, United States
$105k-$110k/yr OnsiteFull Time
City of Philadelphia
City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.
5+ YOE5+ years Android development experience with Kotlin, Jetpack/Compose, Play Store deployment, REST API integration, strong problem-solving and communication; bachelor\u0002s degree required or equivalent experience.
Kotlin, Jetpack Compose, Coroutines, Android Studio, Gradle, Android SDK, Google Play Console, Git, NodeJs, TypeScript, React Native, SQL, PostgreSQL, Oracle, MSSQL, Amazon Web Services (AWS)
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4w
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Java J2EE Developer
Newark, Delaware, United States
$80k-$90k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
7+ YOE7+ years Java/J2EE experience, container/cloud expertise (Kubernetes/OpenShift/AWS/Azure), Spring/Spring Boot, SQL and Unix/Linux scripting, React/Angular UI experience, Agile development.
Java, J2EE, SOAP, REST, OpenShift, ReactJS, containers, Spring Boot, Kubernetes, AWS, Azure, Spring, Spring Integration, Cassandra, Kafka, MQ, NoSQL, Eclipse, IntelliJ, Splunk, Dynatrace, Autosys, Oracle, Microsoft SQL Server, Unix, Linux, Angular, JUnit, Sonar, Crucible, Microservices
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4d
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Senior Engineer (US)
Mount Laurel or Fort Lauderdale
$124k-$200k/yr OnsiteFull Time
TD Bank
TD BankToronto Stock Exchange: TD: Provide retail, commercial, and wholesale banking and financial services.
10+ YOEBachelor's degree in computer science/engineering, 10+ years relevant experience, deep expertise in engineering frameworks and cloud, strong communication and leadership with experience presenting to senior leaders.
Spring Boot, Python, Azure, APIs, Java, ReactJS, NodeJS, Kafka, SQL, NoSQL
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1mo
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Full Stack Developer
United States or Philadelphia
$160k-$180k/yr RemoteFull Time
SMB Team
SMB Team: Provides digital marketing and coaching services for law firms.
6+ YOE6+ years full-stack development experience; must show portfolio; autonomous; current on AI tooling; proficiency in JavaScript/TypeScript (React, Node.js), RESTful APIs, GraphQL, cloud (AWS/GCP/Azure), serverless; experience with AI APIs and Git.
JavaScript, TypeScript, React, Node.js, RESTful APIs, GraphQL, AWS, GCP, Azure, Serverless, OpenAI, Anthropic, Git, GitHub, CI/CD, HubSpot, Asana, PandaDoc, Slack, Google Workspace
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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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