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+

01 — Data Science Projects

Data Science Projects

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

02 — Work 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

03 — Technical Articles

Technical Articles

04 — Skills

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