---
title: "Safdar Wahid (@safdarwahid) | Hashnode"
description: "Technical Lead | Magento | Certified AWS Solutions Architect | Site reliability Engineer | Devops | Kubernetes"
url: "https://hashnode.com/@safdarwahid"
---

@safdarwahid

# Safdar Wahid

@safdarwahid · Luxembourg · Joined June 2025

Technical Lead | Magento | Certified AWS Solutions Architect | Site reliability Engineer | Devops | Kubernetes

[Website](https://safdarwahid1.github.io/)

### [AWS Cloud Migration: The Zero-Downtime Playbook for Growing Businesses](https://cloudwithsw.hashnode.dev/aws-cloud-migration-the-zero-downtime-playbook-for-growing-businesses?utm_source=hashnode&utm_medium=feed)

What this guide covers: The complete AWS cloud migration process from discovery audit through post-migration optimization. Who it's for: Startups and SMBs on on-premises infrastructure, Azure, GCP, or

29 min read · [cloudwithsw.hashnode.dev](https://cloudwithsw.hashnode.dev/aws-cloud-migration-the-zero-downtime-playbook-for-growing-businesses?utm_source=hashnode&utm_medium=feed)

[Jun 16](https://hashnode.com/posts/aws-cloud-migration-the-zero-downtime-playbook-for-growing-businesses/6a313d4f07fd8af3bd56e91e)

### [Progressive Delivery for CI/CD Pipelines](https://cloudwithsw.hashnode.dev/progressive-delivery-for-ci-cd-pipelines?utm_source=hashnode&utm_medium=feed)

TLDR; Canary, blue-green, and feature flag strategies reduce deployment failures by up to 90% Progressive delivery decouples code deployment from user-facing releases Automated rollback based on re

8 min read · [cloudwithsw.hashnode.dev](https://cloudwithsw.hashnode.dev/progressive-delivery-for-ci-cd-pipelines?utm_source=hashnode&utm_medium=feed)

[Jun 11](https://hashnode.com/posts/progressive-delivery-for-ci-cd-pipelines/6a2a64cc507c9814ecf2078d)

### [The Role of AI and Machine Learning in Performance Optimization](https://cloudwithsw.hashnode.dev/the-role-of-ai-and-machine-learning-in-performance-optimization?utm_source=hashnode&utm_medium=feed)

TLDR; ML learns normal behavior – static thresholds miss context (80% CPU fine at peak, bad at 3 AM). Detects anomalies based on patterns, not arbitrary numbers. Predictive scaling forecasts demand

9 min read · [cloudwithsw.hashnode.dev](https://cloudwithsw.hashnode.dev/the-role-of-ai-and-machine-learning-in-performance-optimization?utm_source=hashnode&utm_medium=feed)

[Jun 9](https://hashnode.com/posts/the-role-of-ai-and-machine-learning-in-performance-optimization/6a27c108262b8b8e5efbbb1e)

### [SQL vs NoSQL Performance Optimization Considerations](https://cloudwithsw.hashnode.dev/sql-vs-nosql-performance-optimization-considerations?utm_source=hashnode&utm_medium=feed)

TLDR; SQL excels at complex queries and transactions – joins, aggregations, ACID consistency. Use for financial systems, reporting. Optimize with indexes, connection pools, read replicas. NoSQL exce

9 min read · [cloudwithsw.hashnode.dev](https://cloudwithsw.hashnode.dev/sql-vs-nosql-performance-optimization-considerations?utm_source=hashnode&utm_medium=feed)

[Jun 8](https://hashnode.com/posts/sql-vs-nosql-performance-optimization-considerations/6a266f9ab61a87f9125b13c2)

### [Reducing API Gateway and DynamoDB Costs](https://cloudwithsw.hashnode.dev/reducing-api-gateway-and-dynamodb-costs?utm_source=hashnode&utm_medium=feed)

Drive API Gateway DynamoDB cost reduction with HTTP APIs, caching, on-demand vs provisioned tuning, TTL, and smart index design for GDPR EU workloads.

9 min read · [cloudwithsw.hashnode.dev](https://cloudwithsw.hashnode.dev/reducing-api-gateway-and-dynamodb-costs?utm_source=hashnode&utm_medium=feed)

[Jun 4](https://hashnode.com/posts/reducing-api-gateway-and-dynamodb-costs/6a21298b826f78aff19570c9)