You will get Professional Data Cleaning for Large Scale Datasets up to 3M+ Records
Rising Talent
Rising Talent
Project details
I specialize in high-volume data transformation and structural validation for complex datasets. Leveraging Python-driven automation and statistical rigor, I recently engineered a cleaning pipeline for an ecosystem exceeding 3 million rows, ensuring 100% accuracy and architectural consistency. I bridge the gap between messy raw data and high-integrity business intelligence.
✅ Big Data Scalability: Expertly processing 3M+ rows using Python to bypass the limitations of traditional software.
✅ Statistical Validation: Rigorous auditing to resolve duplicates, outliers, and deep-rooted formatting inconsistencies.
✅ Custom ETL Logic: Tailored pipelines designed to align with your specific business requirements and logic.
✅ Seamless Integration: Delivery in CSV, SQL, or Excel formats, optimized for immediate analytical use.
✅ Data Security: Professional-grade handling of proprietary data with strict confidentiality protocols.
✅ Big Data Scalability: Expertly processing 3M+ rows using Python to bypass the limitations of traditional software.
✅ Statistical Validation: Rigorous auditing to resolve duplicates, outliers, and deep-rooted formatting inconsistencies.
✅ Custom ETL Logic: Tailored pipelines designed to align with your specific business requirements and logic.
✅ Seamless Integration: Delivery in CSV, SQL, or Excel formats, optimized for immediate analytical use.
✅ Data Security: Professional-grade handling of proprietary data with strict confidentiality protocols.
Data Tool
PythonWhat's included
| Service Tiers |
Starter
$25
|
Standard
$60
|
Advanced
$90
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Pages Mined/Scraped | 1 | 5 | 10 |
Number of Sources Mined/Scraped | 1 | 1 | 4 |
Number of Revisions | 1 | 2 | 3 |
Optional add-ons
You can add these on the next page.
Rapid 24 Hour Delivery
+$30Frequently asked questions
About Ghulam
Power BI Developer | Data Analyst | DAX | SQL | Interactive Dashboards
Nawabshah, Pakistan - 7:02 pm local time
I transform messy , high volume datasets into high performance analytical assets that leads business decisions. With expertise in Power BI, SQL Server, and Python, I create T SQL solutions, ETL pipelines, and interactive BI dashboards . My focus is on optimizing database architecture, query logic, and data integrity to deliver speed, accuracy, and actionable insights for enterprise level decision making.
🧩 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞
✅ 𝗣𝗼𝘄𝗲𝗿 𝗕𝗜 𝐑𝐞𝐩𝐨𝐫𝐭 & 𝐃𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬 :Build interactive dashboards with advanced DAX , intuitive visuals , Cleansing data using Power Query, automating refresh cycles by Schedule refresh , incremental refresh , Adding Row Level Security (RLS) , Creating Subscriptions , reducing dashboard load times by 40% and improve executive decision making.
✅ 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗤𝗟 𝗦𝗲𝗿𝘃𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 : Design high performance databases with strategic indexing and query optimization, ensuring 99.9% query efficiency for Enterprise level data architecture.
✅ 𝗘𝗧𝗟 & 𝗗𝗮𝘁𝗮 𝗪𝗿𝗮𝗻𝗴𝗹𝗶𝗻𝗴 : Develop automated pipelines to streamline data ingestion and cleansing , For the Quick Bite Recovery project, I consolidated 8 disparate source tables into a unified reporting model, identifying customer disengagement patterns and enabling a 15% revenue recovery.
✅ 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗮𝘁𝗮 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 : Standardize large scale datasets for accuracy and consistency . In the H-1B Visa System project, I processed 3.1M+ records, removing 1M+ duplicates to ensure 100% data integrity for enterprise reporting.
🚀 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐝 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐭𝐨𝐫𝐢𝐞𝐬
✅ 𝗤𝘂𝗶𝗰𝗸 𝗕𝗶𝘁𝗲 𝗘𝘅𝗽𝗿𝗲𝘀𝘀 𝗥𝗲𝗰𝗼𝘃𝗲𝗿𝘆 : Identified a 30% drop in order volume by auditing SQL transaction logs. Developed an ETL pipeline to identify customer disengagement trends and created a recovery strategy, recovering 15% of lost revenue.
✅ 𝗠𝗲𝘁𝗮 𝗔𝗱 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗔𝘂𝗱𝗶𝘁 ($𝟮.𝟱𝗠 𝗦𝗽𝗲𝗻𝗱) : Power BI and Python, segmenting user behaviour to pinpoint funnel friction points. Delivered insights that increased conversion rates by 22%.
✅ 𝗛-𝟭𝗕 𝗩𝗶𝘀𝗮 𝗦𝘆𝘀𝘁𝗲𝗺 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻: pipeline to process 3.1M+ records, ensuring 100% data integrity and enabling real-time reporting for compliance audits.
🤝 𝐏𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞
I act as a proactive partner in your data journey, ensuring transparency, technical excellence, and measurable outcomes at every stage:
✅ 𝗥𝗲𝗮𝗹 𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝗻𝘀𝗽𝗮𝗿𝗲𝗻𝗰𝘆 : Provide 2 hour progress updates to keep you informed without follow ups.
✅ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗖𝗹𝗮𝗿𝗶𝘁𝘆 : Translate complex SQL/Python findings into actionable business insights in plain language.
✅ 𝗛𝗶𝗴𝗵 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗦𝗤𝗟: Develop optimized scripts for speed, accuracy, and server efficiency (queries run 3x faster on average).
✅ 𝗘𝘅𝗲𝗰𝘂𝘁𝗶𝘃𝗲 𝗣𝗼𝘄𝗲𝗿 𝗕𝗜 𝗥𝗲𝗽𝗼𝗿𝘁𝗶𝗻𝗴: Deliver mobile optimized dashboards with drag and drop interactivity for stakeholders.
✅ 𝗦𝘂𝘀𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝗲 𝗘𝗧𝗟 𝗗𝗲𝘀𝗶𝗴𝗻: Document pipelines for low maintenance scalability and long term stability.
✅ 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗰 𝗗𝗮𝘁𝗮 𝗪𝗿𝗮𝗻𝗴𝗹𝗶𝗻𝗴: Transform messy data into actionable assets that uncover hidden business opportunities.
👋 𝐋𝐞𝐭’𝐬 𝐂𝐨𝐧𝐧𝐞𝐜𝐭
𝐢𝐟 𝐲𝐨𝐮 𝐚𝐫𝐞 𝐬𝐭𝐢𝐥𝐥 𝐜𝐨𝐧𝐟𝐮𝐬𝐞𝐝 𝐥𝐞𝐭'𝐬 𝐡𝐚𝐯𝐞 𝐚 𝟏𝟎 𝐦𝐢𝐧𝐮𝐭𝐞 𝐜𝐡𝐚𝐭 𝐨𝐫 𝐜𝐚𝐥𝐥 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐜𝐥𝐚𝐫𝐢𝐭𝐲 , 𝐢𝐟 𝐲𝐨𝐮 𝐚𝐫𝐞 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞.
Steps for completing your project
After purchasing the project, send requirements so Ghulam can start the project.
Delivery time starts when Ghulam receives requirements from you.
Ghulam works on your project following the steps below.
Revisions may occur after the delivery date.
Data Audit and Strategy
I analyze your raw files to identify anomalies, missing values, and structural inconsistencies before writing any code.
Custom Python Pipeline
I develop and execute a custom Python script to automate formatting, deduplication, and logic-based transformations on your dataset.