Structured Learning Paths

Tech Roadmaps

Curated, opinionated paths from absolute zero to production-ready expertise. Built by an engineer with 13+ years across the Java ecosystem — no fluff, no tutorial hell.

Skill-by-skill breakdownCurated resources per skillReal-world context
🏗️

System Design

Architect scalable, resilient, high-throughput systems

9 Phases9 weeks58 Skills

Phases

Foundations
Core Building Blocks
Distributed Systems
Core Algorithms & Data Structures
Architecture Patterns
Gen AI & LLM Systems
Scalability & Performance
Security & Reliability
Expert & Real-World Systems
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🧩

Low-Level Design (LLD)

Master object-oriented design, design patterns, and LLD interview problems

6 Phases6 weeks35 Skills

Phases

OOP Foundations & SOLID
Creational Design Patterns
Structural Design Patterns
Behavioral Design Patterns
Schema & API Design
LLD Interview Problems
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🌐

Real-World System Design

Domain-by-domain case studies from social media to Gen AI-powered systems

11 Phases12 weeks39 Skills

Phases

Social Media & Communication
Video & Media Streaming
Transportation & Logistics
E-Commerce
Payments
EdTech
Online Collaboration Tools
Search & Data Infrastructure
Developer Tools & Infrastructure
Gen AI-Powered Systems
Meta — Architecture Decisions
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🤖

Generative AI Concepts

Mastering the AI Infrastructure Stack for Software Engineers

6 Phases6 weeks12 Skills

Phases

Foundations of LLMs
Prompt Engineering & Design
RAG: Retrieval Augmented Generation
AI Search & Infrastructure
Agents & Reasoning Loops
Production AI & Evaluation
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Java

Java

From syntax to production-grade systems

5 Phases7 weeks31 Skills

Phases

Foundations
Core Java
Advanced Java
Ecosystem & Tooling
Expert & Production
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Spring Boot

Spring Boot

Production REST APIs, data access, and cloud-native apps

7 Phases7 weeks39 Skills

Phases

Spring Foundations
Web & REST APIs
Data Access
Advanced Spring
Spring Security
Production & Cloud-Native
Spring Cloud
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Spring AI

Spring AI

Build intelligent apps — chat, RAG, agents & production observability

5 Phases6 weeks20 Skills

Phases

Foundations & Setup
Chat, Prompts & Structured Output
Embeddings, Documents & Vector Stores
Agents & Tool Calling
Production, Observability & Staying Current
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🗄️

Database Mastery

From SQL Foundations to Distributed Systems and Vector Search

12 Phases12 weeks24 Skills

Phases

Foundations & Relational Modeling
Storage Engines & ACID Internals
Query Optimization & Indexing
Concurrency Control & MVCC
Distributed Data Foundations
Sharding & Horizontal Scaling
Specialized NoSQL Engines
Modern Vector Databases & AI
OLAP & Columnar Analytics
Streaming Data & CDC
Database Reliability (DRE)
NewSQL & Future Frontiers
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Apache Kafka

Mastering Distributed Event Streaming from Zero to Production

8 Phases8 weeks16 Skills

Phases

Foundations & The Distributed Log
Producer Mastery
Consumer Deep Dive
Storage Internals & Performance
Reliability & Exactly-Once (EOS)
The Ecosystem: Connect & Schema Registry
Stream Processing: Streams & ksqlDB
Operations & Real-World Patterns
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📦

Redis Mastery

From In-Memory Caching to Scalable Distributed Data Stores

4 Phases4 weeks8 Skills

Phases

Foundations & Data Structures
Persistence & Memory Management
Advanced Patterns & Scripting
Scaling & High Availability
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🛠️

Backend Engineer: 2–3 Years Experience

Build a real backend engineer story with production scenarios, system design depth, and practical engineering habits

11 Phases16 weeks44 Skills

Phases

Java Foundations
Database Design and SQL
Spring Boot Essentials
Persistence and Data Access
Messaging and Async Workflows
Caching, Locks, and Performance
Microservices and Integration
Low-Level Design
High-Level Design
Production Engineering and Observability
Tooling, Cloud and AI Awareness
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☁️

Cloud Computing

Mastering the Global Infrastructure and Architectures of the Modern Cloud

8 Phases8 weeks16 Skills

Phases

Foundations & Cloud Economics
Networking & Global Infrastructure
IAM: Identity & Access Management
Compute: From VMs to Serverless
Storage: Object & Block
Managed Databases & PaaS
Infrastructure as Code (IaC)
Well-Architected & FinOps
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🐳

Docker

Mastering Containerization and Modern Development Workflows

4 Phases4 weeks8 Skills

Phases

Foundations & The Engine
Advanced Images & Dockerfiles
Networking & Persistence
Orchestration & Security
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Kubernetes

The Gold Standard for Modern Container Orchestration

6 Phases6 weeks12 Skills

Phases

Foundation & The Control Plane
Deployments & Configuration
Services & Networking
Storage & Stateful Apps
Scheduling & Autoscaling
Advanced Ops & Ecosystem
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