Years of Experience: 10 years (hands-on experience as full stack developer with architecture- level experience) Architect scalable, secure, and maintainable full stack solutions Design system architecture, data models, and API contracts for new and existing products Build and maintain backend services using Node.js (Express/NestJS) Design and optimize MongoDB schemas, indexes, and aggregation pipelines Develop responsive front-end applications using React / Angular / Vue Own AWS infrastructure: EC2, S3, Lambda, RDS/DynamoDB, API Gateway, CloudFront, IAM Set up and manage CI/CD pipelines (CodePipeline, Jenkins, GitHub Actions, GitLab CI) Implement containerization and orchestration (Docker, ECS/EKS/Kubernetes) Define and enforce coding standards, architecture guidelines, and best practices Conduct code reviews, mentor junior/mid-level developers Collaborate with product managers, designers, and stakeholders on technical feasibility