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skillbld

Learning paths

Each path puts courses and interview practice in a sensible order for a goal, and explains why each step comes next.

Data Analyst

Turn raw data into answers with Python, pandas and SQL.

  1. 1Python
  2. 2Data Analysis with pandas
  3. 3PostgreSQL
  4. 4SQL interview questions
4 steps42 lesson days50 interview questions

Data Engineer

Build the pipelines that move and shape data at scale.

  1. 1Python
  2. 2Data Analysis with pandas
  3. 3PostgreSQL
  4. 4Apache Kafka
  5. 5SQL interview questions
  6. 6Snowflake interview questions
  7. 7System Design interview questions
7 steps56 lesson days137 interview questions

AI Engineer

Build real applications on top of large language models.

  1. 1Python
  2. 2AI Assistants: ChatGPT, Claude & Gemini
  3. 3Coding with AI Assistants: Claude Code, Copilot & Cursor
  4. 4AI: Building with LLMs
  5. 5LLMs & AI interview questions
5 steps48 lesson days50 interview questions

Backend Developer

From your first API to systems that scale.

  1. 1Python
  2. 2Git & GitHub
  3. 3PostgreSQL
  4. 4Apache Kafka
  5. 5System Design interview questions
  6. 6Coding Patterns interview questions
  7. 7.NET & C# interview questions
7 steps52 lesson days137 interview questions

Interview Prep

A focused plan for software engineering interviews.

  1. 1Coding Patterns interview questions
  2. 2System Design interview questions
  3. 3SQL interview questions
  4. 4Python interview questions
  5. 5Behavioral interview questions
5 steps211 interview questions