✅ JavaScript / TypeScript Backend

Node.js + TypeScript

Framework: NestJS / Express / Fastify

Database: PostgreSQL / MongoDB

ORM: Prisma / TypeORM

API: REST or GraphQL

✅ Python Backend Stack

⭐ Django

Python + Django

PostgreSQL

Django ORM

Redis

⭐ FastAPI

Python + FastAPI

Pydantic validation

Async APIs

✅ Java Backend Stack

Java + Spring Boot

Hibernate (JPA)

PostgreSQL / Oracle DB

Kafka

Docker

✅ .NET Backend Stack

C# + ASP.NET Core

Entity Framework Core

SQL Server / PostgreSQL

Azure Cloud

✅ Go (Golang) Backend Stack

Go

Gin / Fiber frameworks

PostgreSQL

Redis

gRPC APIs

✅ Ruby Backend Stack

Ruby + Rails

PostgreSQL

Sidekiq (background jobs)

Redis

✅ Rust Backend

Rust + Axum / Actix

PostgreSQL

Tokio async runtime

⭐ Databases

PostgreSQL (industry favorite relational DB)

MySQL

MongoDB (NoSQL)

Redis (cache/session store)

⭐ API Styles

REST (still dominant)

GraphQL (client-driven APIs)

gRPC (microservices)