Career Role Encyclopedia
What 83+ common job roles actually involve day to day, the tasks, tools, and typical entry paths, without salary figures or hiring predictions. A major shapes what you study; a role is what you'd actually do, and they don't map one-to-one.
14 roles in Technology & Data
AI / Machine Learning Engineer
Builds and deploys machine learning systems into real, working products.
Cloud Engineer
Designs and manages the cloud infrastructure applications run on.
Cybersecurity Analyst
Monitors, detects, and responds to security threats against an organization's systems.
Data Analyst
Turns raw data into reports and insights that inform business decisions.
Data Engineer
Builds the pipelines and infrastructure that move and organize data for analysis.
Data Scientist
Builds statistical models and machine learning systems to find patterns or make predictions.
Database Administrator
Keeps an organization's databases running, secure, and performant.
DevOps / Site Reliability Engineer
Builds and maintains the infrastructure that keeps software running reliably.
IT Support Specialist
Helps employees or customers solve technology problems.
Product Manager (Technology)
Decides what a software product should do and why, coordinating the team that builds it.
QA / Test Engineer
Finds and prevents bugs before software reaches users.
Software Engineer
Designs, builds, and maintains the software applications and systems people use.
Sports Data Analyst
Analyzes player and team performance data to inform strategy, scouting, and in-game decisions.
Systems Administrator
Keeps an organization's servers, networks, and IT systems running.