The Polymathic Engineer

The Polymathic Engineer

Home
Archive
About

June 2025

APIs Versioning
Best practices for managing API changes without breaking users' trust.
 • 
Franco Fernando
4
Understanding Object Storage in Modern Cloud Systems
How object storage systems like S3 or Azure Storage work, and how you can make the best use of them.
 • 
Franco Fernando
Range Queries
How to quickly calculate range queries on arrays using prefix sum and sparse tables.
 • 
Franco Fernando
4
Managing Up
Why managing up matters as a software engineer and how to build effective relationships with your manager.
 • 
Franco Fernando

May 2025

Mastering the Two-Pointers Technique
How to use the two-pointer method to efficiently solving array and string problems (with code templates).
 • 
Franco Fernando
Chaos Engineering
How intentional failures can make distributed systems more resilient.
 • 
Franco Fernando
Understanding TLS: how data stays secure over the internet
How the TLS protocol works under the hood and why it's important.
 • 
Franco Fernando
3
The RAFT Consensus Algorithm
How RAFT solves the consensus problem in distributed systems: a step-by-step breakdown that every engineer can understand.
 • 
Franco Fernando
Hashing in Coding Interviews
How to effectively use sets and hash tables to solve coding interview problems.
 • 
Franco Fernando
1
© 2025 Franco Fernando
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture