1. Dynamic Programming
1.1. Memoization
1.2. Tabulation
2. Java
2.1. Java Master Class Course
2.1.1. Core Java
2.1.2. Generics
2.1.3. Concurrency API
2.1.4. Collections API
2.1.5. Exceptions
2.1.6. Regex
2.1.7. Streams API
2.1.8. Serialisation
2.1.8.1. Kryo
2.1.9. Message Formats
2.1.9.1. JSON
2.1.9.1.1. JSON API
2.1.9.2. XML
2.1.9.3. Protocol Buffer
2.1.10. JDBC
2.1.11. RMI
2.1.12. RPC
2.1.13. Garbage Collection
2.2. Testing
2.2.1. Unit Testing
2.2.2. Integration Testing
2.2.3. JUnit
2.2.4. Mockito
2.2.5. Stress Testing
2.2.5.1. Apache JMeter
2.3. Backend
2.3.1. Spring
2.3.1.1. SpringBoot
2.3.1.1.1. Tracing & Observability (Spring Actuator)
2.3.1.2. Spring Data
2.3.1.3. Spring Security
2.3.2. Hibernate
2.3.2.1. JPA
2.3.3. Web Services
2.3.3.1. REST
2.3.4. Microservices
2.3.4.1. Microservices Patterns
3. Security
3.1. Standards & Protocols
3.2. AuthN vs AuthZ
3.3. Basic Authentication
3.4. Identity & Access Management
3.5. OAuth
3.6. SSO
3.7. JWT
3.7.1. JWT vs Cookies
4. Books
4.1. Clean Code
4.2. Designing Data Intensive Applications
4.3. Clean Architecture
4.4. Pragmatic Programmer
5. Legend
5.1. I have a good understanding about
5.2. I know something about
5.3. Yet to learn
6. Web Design
6.1. HTML
6.1.1. Symantic HTML
6.2. JavaScript
6.2.1. Asynchronous Execution in JS
6.3. CSS
6.4. TypeScript
7. Build Systems
7.1. Maven
7.2. Gradle
8. System Design
8.1. Caching
8.2. Clusters High Availability
8.2.1. Active-Active
8.2.2. Active-Passive
8.2.3. Fail Over
8.3. Scaling
8.4. Consistent Hashing
8.5. Load Shedding
9. Logging & Monitoring
9.1. ELK Stack
9.2. Prometheus
9.3. Grafana
10. VCS
10.1. GIT
10.1.1. GitFlow
11. Serverless
11.1. AWS
11.2. Azure
11.3. GCP
12. Problem Solving
12.1. Leetcode
12.2. Neetcode’s Grind75
13. Cloud Native Architecture
13.1. 12 Factor Application
14. Web Security Concepts
14.1. SOP
14.2. CORS
14.3. CSRF
14.4. SSRF
14.5. Broken Access Control
14.6. SQL Injection
14.7. Command Injection
14.8. XSS
14.9. Content Security Policy
14.10. Vulnerability Variants
14.10.1. In-Band
14.10.2. Out-of-Band
14.11. Penetration Testing
14.11.1. Black Box
14.11.2. White Box
15. Data Structures
15.1. Binary Trees
15.2. Graphs
15.3. Heaps
15.4. LinkedLists
15.5. Trie
15.6. Stack
15.7. Queue
15.8. Bloom Filters
16. Concepts & Principles
16.1. SOLID
16.2. KISS
16.3. DRY
16.4. YAGNI
16.5. Dependency Injection
16.6. Inversion of Control
16.7. Object Oriented Programming
16.8. Test Driven Development
16.9. Object Oriented Design
16.10. Domain Driven Design
16.11. Event Driven Architecture
16.12. Behavior-driven Design
16.13. Declarative Programming
16.14. Reactive Programming
16.15. Big O
16.16. Hashing
16.17. Encryption
16.17.1. Asymmetric
16.17.1.1. RSA
16.17.1.2. Diffie-Hellman
16.17.1.2.1. Key Exchange Problem
16.17.2. Symmetric
16.18. CQRS
16.19. Event Sourcing
16.20. Concurrency vs Parallelism
16.21. Asynchronous vs Multithreading vs Multiprocessing
16.22. Single Threaded vs Multi Threaded Languages
16.23. Asynchronous vs Synchronous Execution
16.24. Abstraction
16.24.1. Leaky Abstractions
17. APIs
17.1. API Design
17.2. API Security
17.3. API Versioning
17.4. REST
17.5. GraphQL
18. Databases
18.1. Concepts
18.1.1. CAP Theorem
18.1.2. ACID vs Base
18.1.3. Normalisation
18.1.4. Eventual Consistency
18.1.5. SQL vs NoSQL
18.2. Fundamentals of Database Engineering Udemy Course
18.3. SQL DBs
18.3.1. PostgreSQL
18.3.2. MySQL
18.4. NoSQL DBs
18.4.1. MongoDB
18.5. In Memory DBs
18.5.1. Redis
18.5.2. Memcached
18.6. GraphDB
18.7. Wide-Column DBs
18.7.1. Cassandra
18.7.2. HBase
18.8. SQL Theory
18.8.1. Relational Algebra
18.8.1.1. Cartesian Product
19. CICD
19.1. GitHub Actions
19.2. GitLab
20. Containerization
20.1. Virtualisation Concepts
20.2. Docker
20.3. Kubernetes
21. Messaging Systems
21.1. Kafka
21.1.1. Spring Kafka
21.2. Rabbit MQ
22. Scripting
22.1. Bash
23. Infrastructure
23.1. Terraform / Ansible
24. Build Your Own X
24.1. codecrafters.io
25. Network Fundamentals
25.1. Network Overview
25.2. HTTP & HTTPS
25.3. TLS (SSL)
25.4. OSI Model
25.5. TCP/IP Model
25.6. TCP Client-Server App
25.7. UDP Client-Server App
25.8. High Level APIs [URIs, URLs]
25.9. Simple HTTP WebServer
25.10. HTTP Headers
25.11. HTTP Cookies
25.12. HTTP1, 2, 3
25.13. NAT
25.14. QUIC
25.15. FTP & SFTP
25.16. ICMP
25.17. gRPC
25.18. Proxy vs Reverse Proxy
25.18.1. L4
25.18.2. L7
25.19. Load Balancer
25.20. API Gateway
25.21. Port Forwarding / Tunneling
25.22. SSH
25.23. DNS
25.24. Hosting
25.25. WebSockets
25.26. Server Sent Events
25.27. Long Polling
25.28. Short Polling
25.29. CDN
25.30. Routing
25.30.1. Onion Routing
25.31. Web Servers
25.31.1. Apache Tomcat
25.31.2. Apache httpd
25.31.3. NGINX
26. Design Patterns
26.1. Creational
26.1.1. Singleton
26.1.2. Object Pool
26.1.3. Factory Method
26.1.4. Abstract Factory
26.1.5. Builder
26.1.6. Prototype
26.2. Structural
26.2.1. Decorator
26.2.2. Adapter
26.2.3. Bridge
26.2.4. Composite
26.2.5. Facade
26.2.6. Proxy
26.2.7. Fly Weight
26.3. Behavioural
26.3.1. Command
26.3.2. Chain of Responsibility
26.3.3. Iterator
26.3.4. Memento
26.3.5. Observer
26.3.6. State
26.3.7. Strategy
26.3.8. Template Method
26.3.9. Visitor