---
title: "JaniShaik (@janishaik) | Hashnode"
description: "Engineering Leader | AWS Solutions Architect | System Design | Distributed Systems | Building Trading Platform"
url: "https://hashnode.com/@janishaik"
---

@janishaik

# JaniShaik

@janishaik · Hyderabad, India · Joined February 2026

Engineering Leader | AWS Solutions Architect | System Design | Distributed Systems | Building Trading Platform

### [The Most Underrated Pillar of System Architecture: Maintainability](https://janishaik.hashnode.dev/the-most-underrated-pillar-of-system-architecture-maintainability?utm_source=hashnode&utm_medium=feed)

Learn how maintainability shapes long-term system architecture. Explore operability, simplicity, and evolvability from DDIA.

4 min read · [janishaik.hashnode.dev](https://janishaik.hashnode.dev/the-most-underrated-pillar-of-system-architecture-maintainability?utm_source=hashnode&utm_medium=feed)

[Mar 16](https://hashnode.com/posts/the-most-underrated-pillar-of-system-architecture-maintainability/69b75e61f4eb2f8b041dadae)

### [Scalability in Distributed Systems: Lessons from Twitter’s Architecture](https://janishaik.hashnode.dev/scalability-in-distributed-systems-lessons-from-twitter-s-architecture?utm_source=hashnode&utm_medium=feed)

How distributed systems scale under heavy load. Learn from Twitter’s fan-out architecture and key scalability principles from modern system design.

4 min read · [janishaik.hashnode.dev](https://janishaik.hashnode.dev/scalability-in-distributed-systems-lessons-from-twitter-s-architecture?utm_source=hashnode&utm_medium=feed)

[Mar 11](https://hashnode.com/posts/scalability-in-distributed-systems-lessons-from-twitter-s-architecture/69b18df56c896b0519a2bb20)

### [Reliability in Distributed Systems: Designing Systems That Continue to Work When Things Go Wrong](https://janishaik.hashnode.dev/reliability-in-distributed-systems-designing-systems-that-continue-to-work-when-things-go-wrong?utm_source=hashnode&utm_medium=feed)

Learn how reliable distributed systems are designed using fault tolerance, redundancy, and resilient architecture principles from DDIA.

4 min read · [janishaik.hashnode.dev](https://janishaik.hashnode.dev/reliability-in-distributed-systems-designing-systems-that-continue-to-work-when-things-go-wrong?utm_source=hashnode&utm_medium=feed)

[Mar 6](https://hashnode.com/posts/reliability-in-distributed-systems-designing-systems-that-continue-to-work-when-things-go-wrong/69aa9a3978c5adcd0eea858e)

### [AWS IAM: Designing Identity Boundaries in Cloud Architecture](https://janishaik.hashnode.dev/aws-iam-designing-identity-boundaries-in-cloud-architecture?utm_source=hashnode&utm_medium=feed)

A deep dive into AWS IAM architecture, covering users, roles, policies, least privilege, MFA, and identity design for scalable cloud systems.

3 min read · [janishaik.hashnode.dev](https://janishaik.hashnode.dev/aws-iam-designing-identity-boundaries-in-cloud-architecture?utm_source=hashnode&utm_medium=feed)

[Mar 3](https://hashnode.com/posts/aws-iam-designing-identity-boundaries-in-cloud-architecture/69a67d64e8e1f9df72163d28)

### [Getting Started with AWS: History, Global Infrastructure & Fundamentals](https://janishaik.hashnode.dev/getting-started-with-aws-history-global-infrastructure-fundamentals?utm_source=hashnode&utm_medium=feed)

Getting Started with AWS (2026): History, Global Infrastructure, and Core Fundamentals

3 min read · [janishaik.hashnode.dev](https://janishaik.hashnode.dev/getting-started-with-aws-history-global-infrastructure-fundamentals?utm_source=hashnode&utm_medium=feed)

[Feb 26](https://hashnode.com/posts/getting-started-with-aws-history-global-infrastructure-fundamentals/699ffa9ec9015c37f6ee58cb)