The Polymathic Engineer

How to Estimate the Duration of a Task

Eight strategies you can use to give better estimations as a software engineer.

Nov 7 • 

Franco Fernando

34

1

October 2025

Heap Use Cases Every Algorist Should Know

Three must to know practical applications of heap data structures: finding

Oct 31 • 

Franco Fernando

22

Caching in Distributed Systems - Part III

Challenges of running caching in production environment: cache avalanche and penetration, traffic patterns, cold start, and consistency challenges.

Oct 24 • 

Franco Fernando

71

2

Caching in Distributed Systems - Part II

An overview of more advanced cache concepts: read and write strategies, replacement policies, invalidation, and TTL.

Oct 17 • 

Franco Fernando

23

Caching in Distributed Systems - Part I

From theory to production: cache performance, architecture, and deployment strategies.

Oct 10 • 

Franco Fernando

42

Chain Replication

A different way to do replication in distributed systems that gives you high availability and throughput.

Oct 3 • 

Franco Fernando

20

1

September 2025

Concurrency and Parallelism

Hi Friends,

Sep 26 • 

Franco Fernando

41

2

What to do before refactoring

Seven things to keep in mind before starting your next refactoring project

Sep 19 • 

Franco Fernando

37

2

From a Single Server to Global Scale

The evolution of a web application architecture when going from serving hundreds to millions of users.

Sep 12 • 

Franco Fernando

19

Linear Interpolation

How linear interpolation works in Image Processing and Computer Graphics.

Sep 5 • 

Franco Fernando

21

August 2025

The DRY Principle

Why every software engineer should care about repetition: solutions that actually works.

Aug 29 • 

Franco Fernando

16

A Critical Guide to Content Delivery Networks

How do CDNs work, and how to get the most benefits out of them.

Aug 22 • 

Franco Fernando

24