Lead Full Stack Engineer (React, Java, AWS CDK)

Brillio is a rapidly growing digital technology service provider, known for its innovative approach and commitment to client satisfaction. They are seeking a Senior Full-Stack Cloud Application Engineer to own and deliver an application platform based on React and AWS CDK, requiring a combination of frontend and backend skills.

Responsibilities:

• Build and maintain complex UI pages in a large-scale React/TypeScript application
• Own feature delivery end-to-end: design, implement, test, deploy
• Author and maintain CDK stacks: VPC configurations, PrivateLink endpoints, IAM roles, Lambda functions, intermediate account patterns
• Deploy infrastructure changes through CI/CD pipelines
• Configure and troubleshoot VPC endpoints, cross-region PrivateLink, and SigV4 request signing
• Implement double-hop Assume Role patterns across AWS accounts
• Maintain an RBAC authorizer Lambda (Java) that governs platform access
• Manage permission matrices and role chains across a multi-account AWS environment
• Write and maintain Playwright E2E tests
• Develop and debug Lambda functions (Node.js for service proxies, Java for auth)
• Manage CI/CD pipeline stages, npm-pretty-much builds
• Execute FAST/security integration testing

Requirements:

• 5+ years of professional experience with React and TypeScript in production applications
• 3+ years of hands-on AWS CDK experience (TypeScript) deploying VPCs, Lambdas, and IAM resources
• Deep understanding of AWS networking: VPC endpoints, PrivateLink, SigV4 signing
• Experience with IAM cross-account role assumption and multi-account AWS patterns
• Proficiency in at least one backend language (Node.js or Java) for Lambda development
• Experience with E2E testing frameworks (Playwright preferred)
• Familiarity with eCommerce domain
• Experience navigating multi-service architectures where a UI proxies through Lambdas to backend services via PrivateLink
• CI/CD pipeline experience with automated test integration