Introduction Building a modern payment platform is more than just handling transactions. For fintech startups, it also means meeting strict security standards while delivering fast, reliable user experiences. Customers expect payments to be processed instantly, and regulators expect sensitive data—especially…

Introduction Troubleshooting issues in an Auto Scaling environment is not always easy. This is especially true when instances are terminated before anyone can log in and inspect them. The challenge becomes even bigger when those instances run in private subnets…

Introduction As AWS environments grow, teams often create internal applications that multiple groups depend on. For example, an internal employee registry may start small but quickly become a shared service across teams. From a general AWS architect’s perspective, the challenge…

Introduction Today, many teams are rethinking how they handle customer calls. Instead of relying on traditional call center systems, they are moving toward cloud-based solutions that scale easily and cost less to operate. From an AWS architect’s perspective, this shift…

Introduction Designing for high availability on AWS often starts with familiar building blocks: Multi-AZ deployments, load balancers, and Auto Scaling. While these components form a strong foundation, they don’t automatically guarantee resilience—especially during peak traffic periods when systems are already…

Introduction As organizations modernize their analytics platforms, migrating legacy on-premises data warehouses to the cloud has become a common initiative. While cloud services offer scalability and flexibility, the migration itself often presents challenges that are not immediately obvious—especially when dealing…

Introduction As cloud environments evolve, networking often becomes the deciding factor in whether an architecture scales smoothly or accumulates hidden complexity. From an AWS architect’s perspective, one of the most common challenges is enabling secure, private connectivity across multiple AWS…

Many organizations adopting Amazon Web Services (AWS) want employees to access AWS using existing corporate credentials such as LDAP or Active Directory. This article explains how AWS identity federation enables secure, scalable access without creating long-lived IAM users or duplicate…