
Packt Expert
Alex Rios
Alex Rios is a Brazilian software engineer with 15 years of experience developing large-scale systems in fintech, telecom, and gaming. He specializes in Go, serves as a technical reviewer, and actively contributes to the tech community.
2 Courses by Alex Rios

Learning Zig
A reimagined introduction to low-level programming with Zig
Explore Zig, a modern programming language designed for safety and performance. Learn how to manage memory, handle errors explicitly, and build efficient applications by working through practical examples. Gain confidence in writing reliable system-level code while understanding the reasoning behind Zig's unique features.
Packt | 2025 | 502 min

System Programming Essentials with Go
System calls, networking, efficiency, and security practices with practical projects in Golang
Explore how to leverage Go for system programming tasks, from managing files and processes to building networked applications. You'll learn practical techniques to write efficient, secure, and reliable code that interacts directly with the operating system.
Packt | 2024 | 408 min