Thoughts on cloud architecture, distributed systems, and the occasional career update. Writing to learn and share.
Both cut your AWS compute bill by up to 72% — but pick the wrong one and you're locked into something that doesn't fit. A concise breakdown of when to use Reserved Instances, EC2 Savings Plans, and Compute Savings Plans.
Most teams only open Cost Explorer after a surprise bill. This guide shows you how to set it up proactively — cost allocation tags, anomaly detection, budgets with alerts, and rightsizing — so you always know what you're spending and why.
S3 bills sneak up on you. A practical guide to S3 storage classes, lifecycle policies, Intelligent-Tiering, and versioning cleanup — with real cost numbers and CLI commands you can run today.
In March 2026, SadaPay suffered a full app outage after AWS Bahrain went down. A real-world breakdown of RTO, RPO, Multi-AZ, and Multi-Region — and why "we have backups" is not a DR strategy.
A complete guide to building a production-ready three-tier web application on AWS using CloudFront, ALB, ECS Fargate, and Aurora PostgreSQL across multiple Availability Zones — with step-by-step setup instructions and AWS best practices.
A beginner-friendly guide to AWS networking. Learn VPC, Subnet, Route Table, Internet Gateway, Security Group, and NACL with real-world analogies and architecture diagrams — no prior cloud experience needed.
Comprehensive guide to the seven fundamental data structures every developer must master. Explore arrays, linked lists, stacks, queues, trees, graphs, and hash tables with code examples, complexity analysis, and real-world applications.
Understanding data structures and how they organize data in memory. Learn about arrays, linked lists, stacks, queues, trees, graphs, and hash tables with real-world examples and use cases.
A concise guide to understanding URL structure and components. Learn about protocols, domains, paths, query parameters, and fragments with practical examples.
A comprehensive guide to installing and configuring Docker across different Amazon EC2 AMI types including Amazon Linux 2, Amazon Linux 2023, Ubuntu, and RHEL with best practices and troubleshooting tips.
Learn how to identify and fix high-impression, low-CTR queries in Google Search Console. Practical strategies for optimizing titles, descriptions, and content to boost traffic without earning new rankings.
Learn how to use Claude Code effectively by mastering context management, avoiding token waste, and building sustainable development workflows with real-world strategies.
A practical guide to AWS cost optimization from $1,900/month to under $300 without sacrificing performance.
A comprehensive guide to cloud service models, covering Infrastructure as a Service, Platform as a Service, and Software as a Service with real-world examples and use cases.
Lessons learned from building a distributed task processing system handling 100K+ daily jobs.
How to build Flutter apps that work seamlessly with poor or no connectivity.
My journey applying to Paderborn University for MS Computer Science — timeline, requirements, and lessons learned.
A comprehensive reference guide to Git commands covering everything from basic operations to advanced workflows. Includes setup, branching, merging, remote repositories, stashing, and collaboration strategies with practical examples.
New writing on AWS cost, cloud architecture, and the tools I'm building — delivered when I publish, and never otherwise.
Prefer a reader? Follow along via RSS.