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Elias-3817/README.md

Elias Gichuru | Business Intelligence Developer

Turning messy financial data into profit-driving dashboards, monitoring systems, and decision-making tools for African businesses.

I build systems that do three things reliably:

  1. Reveal where money is leaking.
  2. Show where growth is hiding.
  3. Help founders and operators make better decisions faster.

πŸš€ Flagship Product, Real Users

🟒 M-Prism, Personal Finance & Business Intelligence for Kenyans

A browser-based financial intelligence tool that transforms raw M-Pesa statements into clean analytics and visual insights for business owners and everyday Kenyans.

This is built to solve a real local problem, financial blind spots caused by transaction chaos.

πŸ”— Live App: https://m-prism.vercel.app/app

What it does:

  • Turns raw M-Pesa statements into clean financial dashboards.
  • Instantly categorizes income and expenses.
  • Helps small business owners track real profitability.
  • Works fully in the browser for privacy and speed.

This is not a demo. This is a real product built for Kenyan realities.


🏒 Production BI Systems

πŸ“Š Enterprise ERP Sales & Finance BI System

Designed and built a full-scale Sales and Finance Business Intelligence system for a growing manufacturing and distribution company.

Scope included:

  • Sales performance monitoring.
  • Cashflow visibility.
  • Customer concentration analysis.
  • Finance KPIs for management decision-making.

Built using: Power BI, SQL, Python, ERP Data Modeling, ETL Pipelines

Company operates in stealth, name withheld by agreement.


πŸ”¬ High-Impact Technical Projects

πŸ” Nexus Banking Intelligence Suite

Live FinTech analytics engine designed to detect fraud anomalies and model customer LTV in real-time.

  • Engineering Feat: Optimized client-side processing of 10,000+ transaction rows using streaming logic.
  • Key Feature: Implemented fuzzy duplicate detection to sanitize dirty financial ledgers.

πŸ”— Live Demo: https://banking-fraud-analytics-suite-gb5j.vercel.app
πŸ”— Code: https://github.com/Elias-3817/banking-fraud-analytics-suite

Tech: TypeScript, React, Vite, Streaming ETL, Statistical Anomaly Detection


πŸ€– Customer Churn Prediction Engine

Machine learning system that predicts customer churn and flags high-risk accounts.

Estimated revenue protection of about $128,000 per month in lost customers.

πŸ”— Code: https://github.com/Elias-3817/Churn-customer-prediction

Tech: Python, XGBoost, Random Forest, Cost-Sensitive Modeling


πŸ›’ Olist E-commerce Business Intelligence Dashboard

Interactive dashboard that exposed $1.2M in revenue risk from late deliveries and revealed that 5 percent of customers generated 26 percent of total revenue.

πŸ”— Code: https://github.com/Elias-3817/Olist-Ecommerce-dashboard

Tech: Power BI, DAX, Data Modeling


☁️ Live Weather Business Intelligence Dashboard

Real-time BI dashboard with live weather APIs, interactive filtering, and custom visualization design.

Built as an end-to-end API to BI pipeline project.

Tech: Power BI, APIs, Power Query, Figma, DAX


πŸ›  Core Skill Stack

  • Business Intelligence: Power BI, DAX, Excel
  • Databases: PostgreSQL, SQL
  • Automation and ETL: Python, Power Query
  • Machine Learning: Scikit-learn, XGBoost
  • Web and Data Products: TypeScript, React
  • Tooling: Git, GitHub, Bash

🧭 What I Do Best

  • Building production-grade dashboards for finance and operations.
  • Turning chaotic transaction data into clean decision systems.
  • Shipping full BI systems from raw data to executive dashboards.
  • Combining ML, automation, and BI when it gives real business leverage.

πŸ“« Let’s Talk

Pinned Loading

  1. imara-insurance-dashboard-analytics imara-insurance-dashboard-analytics Public

    Jupyter Notebook 1

  2. Churn-customer-prediction Churn-customer-prediction Public

    Aim to predict when customers churn(stop using the service or leave the company) and try to retain them.

    Jupyter Notebook

  3. interactive-local-weather-dashboard interactive-local-weather-dashboard Public

  4. Olist-Ecommerce-dashboard Olist-Ecommerce-dashboard Public

    Ecommerce data analysis and dashboard