Data Scientist
Visual Data Scientist learning path — phases, skills, tools, and milestones from beginner to job-ready.
Overview
The Data Scientist roadmap on Toolliyo Academy is a step-by-step visual learning path designed for developers who want clarity—not confusion. Each phase builds on the previous one with skills, tools, milestones, and links to free tutorials on Toolliyo.
Whether you are switching careers or leveling up as a ai & machine learning professional, follow this roadmap in order. Track your progress, build portfolio projects, and earn verifiable certificates as you complete Toolliyo courses and quizzes.
Visual learning path
Statistics & Python
Statistics, probability, Python data stack.
- Statistical analysis report
Exploratory Data Analysis
EDA workflows, visualization, storytelling with data.
- 5 EDA notebooks published
Machine Learning for DS
Predictive modeling, model selection, interpretation.
- Predictive model with business impact doc
SQL & Data Wrangling
Advanced SQL, joins, window functions, data pipelines.
- Complex SQL case study
Big Data & Cloud Tools
Spark, cloud data warehouses, notebook collaboration.
- Cloud analytics project
Communication & Stakeholders
Present insights, dashboards, A/B test design.
- Executive presentation delivered
Data Science Career
Case studies, take-home assignments, DS interviews.
- 3 case study portfolios