>_ GolangStepByStep

Level Up Go

From Go fundamentals to system design, scaling, and architecture. Level up your engineering skills, one topic at a time.

InternSoftware EngineerSr. Software EngineerStaff Software EngineerPrincipal Engineer
🌱

Intern

Go Fundamentals
01

Hello, World!

Write and run your first Go program

→02

Variables & Types

Declare variables and understand basic data types

→03

Control Flow

if/else, switch, and for loops — Go's decision-making toolkit

→04

Functions

Define, call, and return values from functions

→
⚙️

Software Engineer

Go in Depth
05

Arrays, Slices & Maps

Master Go's core collection types and their internals

→06

Structs & Interfaces

Compose types and define behavior with interfaces

→07

Error Handling

Handle errors the Go way — explicit, composable, and clear

→08

Concurrency

Goroutines, channels, and concurrent patterns in Go

→
🚀

Sr. Software Engineer

System Design
09

System Design Fundamentals

Load balancing, caching, CDNs, and the building blocks of scalable systems

→10

Database Design

SQL vs NoSQL, indexing strategies, replication, and data modeling

→11

API Design

REST, gRPC, GraphQL — designing APIs that developers love

→
⭐

Staff Software Engineer

Scale & Reliability
12

Scaling Systems

Horizontal vs vertical scaling, sharding, partitioning, and capacity planning

→13

Distributed Systems

CAP theorem, consensus, message queues, and eventual consistency

→14

Observability

Logging, metrics, tracing — understanding systems in production

→
👑

Principal Engineer

Architecture & Leadership
15

Architecture Patterns

Monolith to microservices, event-driven design, and domain-driven architecture

→16

Engineering Excellence

Reliability, tech debt strategy, cost optimization, and engineering culture

→

// the journey never ends...

Go → System Design → Scale → Architecture