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itsmebillah/README.md

Md. Masum Billah - Data Analyst, Automation Developer, and Business Intelligence Specialist

Hi 👋, I'm Masum Billah

Professional roles: Data Analyst, Automation Developer, and Business Intelligence Builder

About · What I Build · Technology · Selected Work

About

I turn operational data and repetitive business processes into clear reporting, dependable automation, and practical business systems. My work sits at the intersection of data analytics, business intelligence, Google Workspace automation, and application development.

I focus on systems that people can actually operate: governed KPI dashboards, reporting workflows, internal tools, finance and workforce applications, and human-reviewed AI assistance.

Focus: Data Analytics · Business Intelligence · MIS & Reporting · Workflow Automation · Data-Driven Applications

Portfolio · LinkedIn · Email

What I Build

📊 Data & Business Intelligence

Dashboards, KPI models, data-quality workflows, and decision-support systems for sales, finance, and operations.

⚙️ Automation & Reporting

Google Sheets, Apps Script, Excel, email, reminder, and reporting workflows that reduce repetitive operational work.

💻 Business & Data Applications

Role-aware tools for workforce operations, financial tracking, sales planning, administration, and process governance.

🤖 AI-Assisted Workflows

Reviewable AI integrations for classification and workflow support, with people retaining control of consequential actions.

Core Technology

DATA & BI
Data models · dashboards · reporting


Excel
SQL
Power BI Python 		AUTOMATION
Workflows · integrations · reporting APIs


Google Sheets
Google Apps Script
JavaScript APIs 		APPLICATIONS
Web apps · databases · secure systems


TypeScript
Next.js
Supabase PostgreSQL

Systems practice: KPI design · data quality · business rules · process automation · human-reviewed AI

Selected Work

Project What it demonstrates Explore
Company Hub Role-aware workforce operations, attendance, self-service, administration, and governance.
Next.js TypeScript Supabase		 Live ↗
Sales Intelligence Governed sales analytics from heterogeneous Sheets data to a tested dashboard and certified KPI layer.
Apps Script Next.js TypeScript		 Live ↗
Wealth OS Personal wealth intelligence with canonical financial data, auditable calculations, goals, and portfolio reporting.
JavaScript PostgreSQL Supabase		 Live ↗
InsightFlow AI Private-by-design spreadsheet analysis with field detection, interactive business views, and report exports.
TypeScript SheetJS Recharts		 Code ↗
AI Email Automation Gmail outreach, follow-ups, and AI-assisted reply classification with repeatable setup and human review.
Apps Script Gmail Groq		 Code ↗
Sales Report Reminder Reporting, attendance synchronization, message queues, and notifications coordinated through Google Sheets.
Apps Script Google Sheets JavaScript		 Live ↗

Current Direction

Improving the reliability and scale of business systems through stronger data engineering foundations, advanced analytics, and carefully governed AI-assisted automation.

Data analytics · business intelligence · automation · practical data systems

Popular repositories Loading

  1. itsmebillah.github.io itsmebillah.github.io Public

    Portfolio of Md. Masum Billah showcasing data analytics, business intelligence, and workflow automation projects.

    HTML

  2. fun fun Public

    Archived-style single-page portfolio UI experiment using Three.js and browser animation libraries.

    HTML

  3. SubPro SubPro Public

    Early subscription-platform UI and Express API prototype for exploring pricing and registration flows.

    HTML

  4. billah_finance billah_finance Public

    Reserved repository with no published implementation; see Wealth OS for the active finance project.

  5. keu-ekjon keu-ekjon Public

    Mobile-first anonymous messaging app with private inboxes, recipient-controlled publishing, and Bengali-first UX.

    TypeScript

  6. portfolio-engine portfolio-engine Public

    Experimental multi-template portfolio CMS built with Next.js and Supabase; not production-ready.

    TypeScript