3Pillar · 5 hours ago
Lead React Engineer
3Pillar is a premier destination for senior software engineers seeking to elevate their expertise. The role involves leading the design, development, and optimization of UI components using React.js, collaborating with UX/UI designers, and driving front-end architecture decisions to ensure performance and scalability.
AndroidConsultingiOSMobileMobile AppsSaaSSoftware
Responsibilities
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
Qualification
Required
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
Preferred
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.)
Company
3Pillar
At 3Pillar, we believe something truly incredible happens at the intersection of product engineering and cognitive computing.
H1B Sponsorship
3Pillar has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (2)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$25.92MKey Investors
H.I.G. CapitalCIP CapitalNewSpring
2021-10-27Private Equity
2020-03-10Private Equity
2013-06-06Series A· $12M
Leadership Team
Scott Frost
Chief Information Officer
Recent News
2025-09-19
Company data provided by crunchbase