Cristian Curteanu
I build distributed systems that don't just work—they scale, perform, and deliver measurable business impact.
26
Nov

Why Your String Concatenation Is Killing Performance? The Hidden O(N²) Trap in Go

4 min read
26
Nov

The Hidden Cost of append: Why Pre-allocating Slices and Maps Matters in Go

5 min read
25
Nov

Why Your Go Code Is Slower Than It Should Be: A Deep Dive Into Heap Allocations

5 min read
04
Mar

5 API Design Patterns in Go That Solve Your Biggest Problems (2025)

12 min read
03
Mar

7 Powerful Golang Concurrency Patterns That Will Transform Your Code in 2025

14 min read