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GeezerVison is showing github.com โ€” maf345 - Overview

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@maf345
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๐Ÿ”†
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Mehedi Afzal Farazi maf345

๐Ÿ”†
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Senior Data Analyst
26 followers ยท 6 following
  • Streams Tech Ltd.
  • Dhaka, Bangladesh
  • 05:47 (UTC +06:00)
  • in/maf345

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Achievement: StarstruckAchievement: Arctic Code Vault Contributor

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Achievement: StarstruckAchievement: Arctic Code Vault Contributor
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maf345/README.md

intro

Senior Data Analyst ยท Snowflake ยท Tableau ยท Agentic AI

Turning complex data into clear decisions ยท Dhaka, Bangladesh ๐Ÿ‡ง๐Ÿ‡ฉ

LinkedIn GitHub Kaggle HackerRank Tableau Public

๐Ÿ“– About Me

Senior Data Analyst with 7.5+ years across healthcare, commercial, telecom, and BI reporting โ€” translating business requirements into data models, dashboards, and decision-support solutions.

more...
  • ๐Ÿ’ผ Team Lead at Streams Tech Ltd., owning delivery on a healthcare/commercial analytics project
  • ๐ŸŽ“ B.Sc. CSE โ€” Military Institute of Science and Technology (MIST)

๐Ÿš€ Career Highlights

  • ๐Ÿ“Š Built Tableau dashboards used by 300+ stakeholders across Europe for KPI tracking, performance monitoring, and operational insights
  • โšก Reduced manual reporting effort by 80% by automating data loading, refresh processes, and recurring workflows with Python, SQL, Pandas, and SQLAlchemy
  • ๐Ÿ”ง Cut dashboard refresh failures by 60% through improved pipeline design, validation checks, monitoring, and data quality controls
  • ๐Ÿ† Nominated for Best Project in Innovation for an internal operational data maintenance tool used by cross-functional telecom operations teams
  • ๐Ÿ“ˆ Designed Snowflake data models, KPI frameworks, and BI reporting datasets supporting large-scale analytics initiatives

โฌ† What I'm up to

Leading delivery on a healthcare/commercial analytics assistant project

more...
Current focus:
  - Leading delivery on a healthcare/commercial analytics assistant project
  - Designing and evaluating Agentic AI workflows with LangSmith, prompt engineering, and structured output evaluation
  - Building Snowflake datamarts, KPI layers, and Tableau Server dashboards
  - Improving reporting reliability through validation, reconciliation, and anomaly checks

๐ŸŽ“ Certifications

Snowflake SnowPro Kaggle Intermediate ML HackerRank Intermediate Python DataCamp Tableau

๐Ÿ›  Tech Stack

Python SQL Snowflake dbt Tableau Power BI
Pandas PostgreSQL MySQL Excel LangSmith LangChain

๐Ÿ“ˆ GitHub Stats

๐Ÿ“Š Click to view stats, streak & trophies
Top languages GitHub stats
GitHub streak
GitHub trophies

Data tells a story โ€” my job is to make it readable, reliable, and actionable.

Pinned Loading

  1. w3-resource-python w3-resource-python Public

    I am determined to improve my basic core skills of python and data science by practice. Found this website very helpful for systematic learning.

    Jupyter Notebook 8 10

  2. hacker-rank-solutions hacker-rank-solutions Public

    This repository contains solutions to various challenges on different domains of HackerRank. Find me at HackerRank - https://www.hackerrank.com/ybg345

    Python 1 3

  3. python-solved-200-problems python-solved-200-problems Public

    Learn to code step by step? Here is the category-wise 200 python problems solutions.

    Jupyter Notebook 14 6

  4. sql-hands-on sql-hands-on Public

    This repository contains SQL queries from various popular online learning resources e.g. Vertabelo Academy, SQLZoo etc.

    SQL 50 23

  5. data-analysis-viz-excel data-analysis-viz-excel Public

    I have completed some MS Excel Course. This repository contains all the excel files (practice and exercises solutions by me) which were provided as Homework's or as hands on practice in course sectโ€ฆ

    HTML 30 14

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