Data Scientist · BI · AI Automation

Erasto Wamuti
Wanjau

I am a Data Scientist and BI builder with hands-on experience across Python ML, Excel, Power BI, and AI-agent automation. I bridge analytics and engineering to ship insights teams actually use.

Python/PostgreSQL/Power BI/EXCEL/AI Agents
Portrait of Erasto Wanjau, Data Scientist

Zindi rank

32/307

Sites shipped

10+

01Data Science Projects

Data Science Projects

End-to-end data science and AI engineering focused on actionable insight, automation, and measurable outcomes.

02Work Experience

Work Experience

Selected roles and work that was shipped and the impact caused.

01

Artificial Intelligence Lead

Led AI-powered workflow automations, GPT-based assistants, and chatbots embedded into client web platforms.

GPT WorkflowsAI AutomationChatbotsEcommerce Automation

Impact

~4 hrs saved per product-upload cycle

02

Web Developer

Shipped event, ecommerce, and organisational platforms end-to-end — including the GGAA Conference registration system with Pesapal payments.

WordPressWooCommerceShopifyPesapalPayPalPaystack

Impact

~1,500 registrations · 1,000+ tickets processed

03

IT Support & Web Systems Lead

Built and maintained the organisation's WordPress presence, hosting, domain email, and security infrastructure.

WordPresscPanelCloudflareEmail Systems

Impact

10+ production sites shipped & maintained

03Technical Articles

Technical Articles

04Skills

Skills

The toolkit, grouped by where it lives in the data lifecycle.

Core Languages & Tools

  • Python
  • SQL
  • Excel
  • Git / GitHub
  • Linux
  • Bash

ML, Stats & Analytics

  • Scikit-learn
  • Ridge Regression
  • Pandas
  • NumPy
  • EDA
  • Feature Engineering
  • Matplotlib
  • Seaborn
  • Plotly

Data Engineering, BI & AI

  • PostgreSQL
  • SQLAlchemy
  • ETL Pipelines
  • Power BI
  • DAX
  • Power Query
  • Star Schema
  • AI Agents (OpenClaw, GPT)
  • Workflow Automation