---
title: "Hasitha Wickramasinghe (@haZya) | Hashnode"
description: "Application Architect | AWS SA Pro & GenAI Dev Pro | BEng (Hons) in SWE | Full-Stack Developer. Read the latest articles by Hasitha Wickramasinghe on Hashnode."
url: "https://hashnode.com/@haZya"
---

@haZya

# Hasitha Wickramasinghe

@haZya · Joined February 2026

Application Architect | AWS SA Pro & GenAI Dev Pro | BEng (Hons) in SWE | Full-Stack Developer

[Website](https://hazya.dev/)

### [When Everything Becomes Abundant, Eventually Nothing Is](https://blog.hazya.dev/when-everything-becomes-abundant-eventually-nothing-is?utm_source=hashnode&utm_medium=feed)

Abundance and Scarcity in the Age of AI

18 min read · [blog.hazya.dev](https://blog.hazya.dev/when-everything-becomes-abundant-eventually-nothing-is?utm_source=hashnode&utm_medium=feed)

[Oct 22](https://hashnode.com/posts/when-everything-becomes-abundant-eventually-nothing-is/6ad982ba4069ef078f106c19)

### [From Migration to Resilience: Mastering 7Rs and Day-2 Disaster Recovery on AWS](https://blog.hazya.dev/from-migration-to-resilience-mastering-7rs-and-day-2-disaster-recovery-on-aws?utm_source=hashnode&utm_medium=feed)

Moving enterprise workloads to the cloud is rarely a single event. It is a strategic continuum that begins with workload rationalization (the 7Rs), moves through zero-downtime data and server transiti

19 min read · [blog.hazya.dev](https://blog.hazya.dev/from-migration-to-resilience-mastering-7rs-and-day-2-disaster-recovery-on-aws?utm_source=hashnode&utm_medium=feed)

[Sep 13](https://hashnode.com/posts/from-migration-to-resilience-mastering-7rs-and-day-2-disaster-recovery-on-aws/6aa7246e096dae709a264f68)

### [Amazon EKS Multi-Account Strategy: Architecting Centralized vs. Decentralized Cluster Topologies](https://blog.hazya.dev/amazon-eks-multi-account-strategy-architecting-centralized-vs-decentralized-cluster-topologies?utm_source=hashnode&utm_medium=feed)

Implementing a robust multi-account strategy on AWS is one of the most critical foundational steps for building secure, scalable, and manageable cloud platforms. According to the AWS Multi-Account Str

12 min read · [blog.hazya.dev](https://blog.hazya.dev/amazon-eks-multi-account-strategy-architecting-centralized-vs-decentralized-cluster-topologies?utm_source=hashnode&utm_medium=feed)

[Jul 19](https://hashnode.com/posts/amazon-eks-multi-account-strategy-architecting-centralized-vs-decentralized-cluster-topologies/6a5caf0cfca159bb8632a1ec)

### [Modern AWS Networking: Architecting with Transit Gateway, Cloud WAN, and VPC Lattice](https://blog.hazya.dev/modern-aws-networking-architecting-with-transit-gateway-cloud-wan-and-vpc-lattice?utm_source=hashnode&utm_medium=feed)

Designing Resilient, Multi-Account Hybrid Cloud Architectures on AWS with Transit Gateway, Cloud WAN and VPC Lattice

11 min read · [blog.hazya.dev](https://blog.hazya.dev/modern-aws-networking-architecting-with-transit-gateway-cloud-wan-and-vpc-lattice?utm_source=hashnode&utm_medium=feed)

[Jun 29](https://hashnode.com/posts/modern-aws-networking-architecting-with-transit-gateway-cloud-wan-and-vpc-lattice/6a42b8c36a5f2946b3979ecf)

### [Distributed Transactions and Eventual Consistency in AWS Microservices](https://blog.hazya.dev/distributed-transactions-and-eventual-consistency-in-aws-microservices?utm_source=hashnode&utm_medium=feed)

Traditionally, when building monolithic applications, database transactions were part of the package. You had a single database, often relational. When a request came in, you wrapped the business logi

10 min read · [blog.hazya.dev](https://blog.hazya.dev/distributed-transactions-and-eventual-consistency-in-aws-microservices?utm_source=hashnode&utm_medium=feed)

[Jun 4](https://hashnode.com/posts/distributed-transactions-and-eventual-consistency-in-aws-microservices/6a21251e33af29ceb38802b9)