IT role skills

Descriptive Statistics
Probability Theory
Hypothesis Testing
Inferential Stats
Linear Algebra
Calculus
Bayesian Statistics
SQL
Python
Bash
Git
EDA
Supervised Learning
Unsupervised Learning
Model Evaluation
Reinforcement Learning
Generative AI
Time Series
NLP
Deep Learning
Computer Vision
Visualization Libraries
Distributed Computing
AB Testing
Relational Databases
NoSQL Databases
Data Warehousing
Cloud Fundamentals
Cloud Storage
KPI definition
Business Intelligence

Category	Data Analyst	Data Engineer	Data Scientist	ML/AI Engineer	AI Scientist	Level
Maths & Stats	Descriptive Statistics Hypothesis Testing		Inferential Statistics Probability Theory Linear Algebra Bayesian Statistics	Probability Theory Linear Algebra Calculus	Descriptive Statistics Inferential Statistics Probability Theory Linear Algebra Calculus Bayesian Statistics	Primary
	Inferential Statistics Probability Theory	Descriptive Statistics	Descriptive Statistics Calculus	Descriptive Statistics Inferential Statistics Bayesian Statistics		Secondary
Coding & Dev	SQL Python	Python SQL Scala/Java Bash Git Software Engineering CI/CD	Python SQL Git	Python Git Software Engineering CI/CD Bash	Python Git	Primary
	Git		Bash	SQL	R Bash	Secondary
Data Analytics	EDA AB Testing Business Intelligence KPI definition Root Cause Analysis		EDA AB Testing		EDA	Primary
		EDA	Business Intelligence KPI definition	EDA		Secondary
Data Vis	Dashboarding Visualization Libraries Data Storytelling		Visualization Libraries Data Storytelling		Visualization Libraries	Primary
			Dashboarding	Visualization Libraries	Data Storytelling	Secondary
Database	Relational Databases	Relational Databases Data Warehousing Data Modeling NoSQL Databases				Primary
	Data Warehousing	Graph Databases	Relational Databases Data Warehousing	Relational Databases NoSQL Databases Graph Databases	Graph Databases	Secondary
Cloud		Cloud Fundamentals Cloud Storage Cloud Compute Serverless		Cloud Fundamentals Cloud Storage Cloud Compute	Cloud Compute	Primary
	Cloud Fundamentals Cloud Storage		Cloud Fundamentals Cloud Storage	Serverless	Cloud Fundamentals Cloud Storage	Secondary
Big Data		Distributed Computing Stream Processing Orchestration Data Lakehouse	Distributed Computing	Distributed Computing Orchestration		Primary
			Orchestration	Stream Processing Data Lakehouse	Distributed Computing	Secondary
ML / AI Core			Supervised Learning Unsupervised Learning Model Evaluation Time Series	Supervised Learning Unsupervised Learning Model Evaluation NLP Computer Vision Deep Learning Generative AI	Supervised Learning Unsupervised Learning Model Evaluation Time Series NLP Computer Vision Deep Learning Reinforcement Learning Generative AI	Primary
	Time Series		NLP Computer Vision Deep Learning Generative AI	Time Series Reinforcement Learning		Secondary
ML Ops		Containerization Feature Stores	Experiment Tracking	Model Serving Model Monitoring Experiment Tracking Containerization	Experiment Tracking	Primary
		Model Serving Experiment Tracking	Containerization	Feature Stores	Model Serving Containerization	Secondary
Research				Literature Review	Literature Review Novel Algorithm Development Academic Writing Statistical Research Methods	Primary
			Literature Review Statistical Research Methods	Novel Algorithm Development		Secondary
Data Governance		Data Security Data Lineage Data Quality Compliance				Primary
	Data Security Data Quality Compliance		Data Security Data Quality Compliance	Data Security Data Quality Compliance	Data Security	Secondary
Domain	Business Acumen Stakeholder Communication		Business Acumen Stakeholder Communication			Primary
		Business Acumen		Business Acumen Stakeholder Communication		Secondary