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nargis_akterr

Nargis Akter

@nargis_akterr

Python Developer, Data Cleaning, Validation and Automation

Bangladesh
English
About me
I'm a Python developer focused on data cleaning, validation, and automation — turning messy CSV/Excel files into clean, reliable data you can use. Every script is tested against real edge cases, not just the easy path. I focus on clear, well-commented code and honest communication, so you always know exactly what was done and why. Need your data cleaned or a repetitive task automated? I'll deliver something accurate, tested, and easy to use.... Read more

Skills

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nargis_akterr
Nargis Akter
Offline • 

See my services

Data Cleaning
I will clean, validate, and organize your messy CSV or excel data
Data Scraping
I will build a custom web scraper for data extraction

Portfolio

Work experience

Cognizant

Data Automation & Python Specialist

Cognizant • Freelance

Jun 2025 - Present1 yr 2 mos

Specializing in end-to-end data automation, custom Python scripting, and ETL pipeline development for global clients and enterprise teams. Key Deliverables & Technical Expertise: • Automated Data Pipelines: Engineered custom Python automation scripts (using Pandas, NumPy, and OpenPyXL) to ingest, clean, and transform multi-source raw CSV/Excel datasets into structured database-ready formats. • Advanced Spreadsheet Automation: Built dynamic reporting solutions that automatically aggregate key metrics, execute complex data validation, and generate presentation-ready Excel charts, saving 15+ hours of manual labor weekly. • ETL & Web Scraping: Designed robust, anti-detection web scraping scripts (Playwright, BeautifulSoup) to extract, normalize, and deliver structured business data with zero error rates. • Quality Assurance: Implemented strict error-handling protocols and unit testing across all Python workflows to ensure flawless script execution and high data fidelity.