Summary
Overview
Work History
Education
Skills
Certification
LANGUAGES
Timeline
AdministrativeAssistant
HASSAN MUHAMMAD SIRAJ ZAFAR

HASSAN MUHAMMAD SIRAJ ZAFAR

Summary

Data Scientist with 2+ years of industry experience in machine learning, MLOps, and advanced analytics. Currently completing an M.Sc. in Data Science with specialization in Big Data, Data Mining, and Statistics. Proven track record of deploying scalable ML models, optimizing pipelines using Docker, and improving model accuracy by up to 25% through hyperparameter tuning and drift detection strategies. Experienced in building LLM-based applications, automating workflows, and analyzing large datasets to deliver actionable insights. Passionate about using AI to solve real-world problems and drive data-informed decision-making.

Overview

3
3
years of professional experience
1
1
Certification

Work History

Data Scientist II

Afiniti
12.2022 - 10.2023
  • Optimized machine learning models for customer interaction predictions, improving prediction accuracy by 15–20%, which led to better targeting and engagement strategies.
  • Developed MLOps pipelines using Docker, reducing model deployment time by 40% and enabling seamless integration with production systems.
  • Conducted data analysis and feature engineering, increasing model performance (AUC / F1 score) by 25% through better input variables and reduced noise.
  • Streamlined data collection methods, reducing data processing errors by 30% and cutting preprocessing time by 50%.
  • Automated repetitive tasks using Python and R, saving an average of 10+ hours per week and allowing faster delivery of insights and reports.

Data Scientist I

Afiniti
02.2022 - 12.2022
  • Implemented drift detection and model retraining pipelines for real-time prediction systems, reducing model degradation and maintaining over 90% prediction reliability in production.
  • Built automated model performance monitoring tools, enabling early detection of underperforming models and cutting incident response time by 60%.
  • Analyzed large-scale datasets (100M+ records) to generate actionable insights, improving AI-driven solution outcomes by 20–30% through better feature targeting and system tuning.
  • Evaluated emerging technologies to assess potential applications within the organization''s existing infrastructure or future projects.
  • Conducted feature engineering efforts to enhance model performance by creating new relevant variables from raw input data sources.

Data Engineer

Afiniti
05.2021 - 02.2022
  • Built and maintained robust data pipelines supporting machine learning workflows, reducing data processing time by 35%.
  • Developed and optimized ETL processes using SQL and Python, improving data throughput and reducing query execution time by 40%.
  • Assisted in transitioning machine learning models from research to production, decreasing deployment time by 50% and ensuring production readiness.
  • Collaborated on ETL tasks to ensure data integrity and pipeline stability, maintaining 99.9% pipeline uptime.
  • Fine-tuned SQL queries and optimized database structures, resulting in 1.5x - 2x faster data retrieval and improved reporting accuracy by 25%.

Junior Software Engineer

Dream Big Semiconductor
09.2020 - 05.2021
  • Developed multiple Linux kernel modules using C, demonstrating proficiency in Makefiles, symbol exporting, and low-level system interactions.
  • Implemented a command interception module to hook IP xfrm user commands, enabling IPsec offloading in a proprietary hardware-integrated module, boosting data throughput by up to 60%.
  • Optimized performance by aligning kernel modules with specialized hardware, significantly enhancing data rates and system efficiency.
  • Diagnosed and resolved code defects and system failures, contributing to cleaner architecture and more maintainable codebase through targeted refactoring.
  • Consistently delivered production-ready features and modules on time, meeting 100% of project deadlines in a fast-paced R&D environment.

Education

M.Sc. - Data Science

University of Naples Federico II
06.2025

Bachelor of Science - Computer System Engineering

NED University of Engineering And Technology
Pakistan
10-2020

Skills

  • Machine Learning & AI: Scikit-learn, TensorFlow, PyTorch, XGBoost
  • Data Engineering & MLOps: Docker, Kubernetes, Kubeflow, CI/CD Pipelines, AutoML
  • Programming & Databases: Python, SQL (Greenplum, MySQL, PostgreSQL)
  • Visualization & Reporting: Tableau, Matplotlib, Seaborn

Certification

  • Statistics Foundations (Coursera)
  • AI for everyone (Udemy)

LANGUAGES

English: Fluent
Advanced (C1)
Italian: Basic
Elementary (A2)
Urdu: Native
Bilingual or Proficient (C2)

Timeline

Data Scientist II

Afiniti
12.2022 - 10.2023

Data Scientist I

Afiniti
02.2022 - 12.2022

Data Engineer

Afiniti
05.2021 - 02.2022

Junior Software Engineer

Dream Big Semiconductor
09.2020 - 05.2021

M.Sc. - Data Science

University of Naples Federico II

Bachelor of Science - Computer System Engineering

NED University of Engineering And Technology
HASSAN MUHAMMAD SIRAJ ZAFAR