FullStack Engineer (React, Java, AWS)

About Brillio:

Brillio is one of the fastest growing digital technology service providers and a partner of choice for many Fortune 1000 companies seeking to turn disruption into a competitive advantage through innovative digital adoption. Brillio, renowned for its world-class professionals, referred to as "Brillians", distinguishes itself through their capacity to seamlessly integrate cutting-edge digital and design thinking skills with an unwavering dedication to client satisfaction.

Brillio takes pride in its status as an employer of choice, consistently attracting the most exceptional and talented individuals due to its unwavering emphasis on contemporary, groundbreaking technologies, and exclusive digital projects. Brillio's relentless commitment to providing an exceptional experience to its Brillians and nurturing their full potential consistently garners them the Great Place to Work® certification year after year.

Role: - Senior Full-Stack Cloud Application EngineerLocation- Seattle WA/ Portland, OR or West Cost -RemoteContract -Only Hourly W2 (NO C2C)-Role Summary

We need a senior engineer to own and deliver to application platform built on React, AWS CDK, and a multi-service architecture connected via PrivateLink. This role requires end-to-end feature ownership — from the React component, through CDK infrastructure, down to the IAM policy that makes it work.

The ideal candidate combines strong React/TypeScript frontend skills with genuine AWS networking and IAM depth. Most engineers skew one way or the other. We need both.

Primary Responsibilities (Daily Work)

React + TypeScript UI Development

• Build and maintain complex UI pages in a large-scale React/TypeScript application
• Own feature delivery end-to-end: design, implement, test, deploy

AWS CDK Infrastructure (TypeScript)

• Author and maintain CDK stacks: VPC configurations, PrivateLink endpoints, IAM roles, Lambda functions, intermediate account patterns
• Deploy infrastructure changes through CI/CD pipelines

AWS Networking

• Configure and troubleshoot VPC endpoints, cross-region PrivateLink, and SigV4 request signing
• Implement double-hop Assume Role patterns across AWS accounts

IAM and Authorization

• Maintain an RBAC authorizer Lambda (Java) that governs platform access
• Manage permission matrices and role chains across a multi-account AWS environment

Secondary Responsibilities (Weekly Work)

• 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

Required Qualifications

• 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)

Preferred Qualifications

• 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

`Know more about Brillio : https://www.brillio.com/join-us/

PPE: https://www.brillio.com/platform-and-product-engineering/

Equal Employment Opportunity Declaration

Brillio is an equal opportunity employer to all, regardless of age, ancestry, colour, disability (mental and physical), exercising the right to family care and medical leave, gender, gender expression, gender identity, genetic information, marital status, medical condition, military or veteran status, national origin, political affiliation, race, religious creed, sex (includes pregnancy, childbirth, breastfeeding, and related medical conditions), and sexual orientation.