Building a Hybrid AWS Microservices Platform with API Gateway, Lambda, ECS, and Load Balancers Introduction When teams start splitting a large backend into smaller services, the first infrastructure question is usually not "How do we build a microservice?" but "How do we expose many different services safely, consistently, and without creating a networking mess?" Our architecture provides a practical answer to that problem using a hybrid AWS design: API Gateway as the front door Lambda for lightweight serverless capabilities and supporting workflows ECS Fargate for containerized business services Internal load balancers for private service routing Terraform for repeatable, staged infrastructure delivery The important architectural idea is separation of concerns. Public access, authentication, routing, container execution, and service discovery are all handled by different layers. That keeps the platform easier to scale and much easier to evolve as the number of services grows.…