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3Pillar Global Logo 3Pillar Global · IT - Software Development

Lead React Engineer

United States, New Jersey · Job Posted February 01, 2026
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Job Description

Elevate your expertise to new heights at 3Pillar, the premier destination for trailblazing senior software engineers like yourself. Picture collaborating with industry leaders, spearheading transformative projects that redefine urban living, establishing new media channels for enterprise companies, or driving innovation in healthcare. Our mission is to revolutionize the tech landscape, and your skills are integral to achieving this ambitious goal. Your role extends beyond the realm of code composition; you will architect transformative solutions that reshape entire industries. Join us and spearhead the charge toward a tech future that transcends the ordinary.

Job Responsibility

  • Lead the design, development, and optimization of UI components using React.js and related libraries
  • Collaborate with UX/UI designers to transform wireframes and prototypes into fully functional, user‑friendly applications
  • Drive front‑end architecture decisions to ensure performance, scalability, and maintainability
  • Integrate UI components with backend services built on .NET / C#
  • Develop and maintain APIs, microservices, and supporting backend features when needed
  • Work with cloud platforms such as AWS or Azure to deploy, monitor, and optimize applications
  • Implement efficient data access patterns using SQL Server and NoSQL databases (DocumentDB, Cosmos DB, DynamoDB, etc.)
  • Write clean, testable, and reusable code following industry best practices

Requirements

  • 13+ years of professional software development experience
  • Around 8+ years of hands‑on experience with React.js, including hooks, state management (Redux, Zustand, Recoil, etc.), and performance optimization
  • Strong proficiency in JavaScript / TypeScript
  • Solid experience with .NET / C#, including building APIs or backend services
  • Expertise with AWS or Azure cloud services (Lambda, API Gateway, App Services, S3, CloudFront, Azure Functions, etc.)
  • Strong understanding of relational databases, particularly SQL Server
  • Experience with NoSQL databases such as DocumentDB or Cosmos DB
  • Familiarity with CI/CD pipelines, modern DevOps practices, and Git‑based workflows
  • Strong problem‑solving skills and the ability to work in a fast‑paced, collaborative environment

Nice to have

  • Experience with server‑side rendering (Next.js) or micro‑frontend architectures
  • Knowledge of containerization technologies (Docker, Kubernetes)
  • Experience with performance profiling, accessibility standards (WCAG), and responsive design
  • Familiarity with design systems and component libraries (Material UI, Fluent UI, Chakra UI, etc.)
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