Skills

Backend skill map

A public map of the 14 quantlab domains. Sign in to turn it into your personal mastery map.

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Domains

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Fragile

Java

9 lessons

Available

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Java from Zero: Your First Application

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Elasticsearch

6 lessons

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Mapping

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MongoDB

7 lessons

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Data Modeling

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PostgreSQL

7 lessons

Available

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Query Optimization

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Software Architecture

8 lessons

Available

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Monolith vs Microservices

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Design Patterns

7 lessons

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SOLID Principles

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OOP

6 lessons

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Encapsulation

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Cache

8 lessons

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Redis Data Structures

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Event-Driven

8 lessons

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Kafka Fundamentals

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Security

8 lessons

Available

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OWASP Top 10: The Foundation

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Algorithms

12 lessons

Available

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Big-O Notation: Reading the Time Curve

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LLM

LLM Internals

8 lessons

Available

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Tokenization: BPE, WordPiece, and Why Tokens Matter

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AI Engineering

10 lessons

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Foundation Models: What Changed and Why

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Networking

8 lessons

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Layered Models: OSI, TCP/IP, and Encapsulation

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