Sajan Singh Shergill

Sajan Singh Shergill profile photo

Skills

  • Programming Languages: Python, SQL, Java
  • Data & ML: Machine learning, predictive modeling, experimentation (A/B testing)
  • Growth Measurement: Ads & growth measurement, incrementality, lift modeling

Tools

  • BI & Analytics: Power BI, Tableau, Excel
  • Data & ML: Pandas, NumPy, scikit-learn
  • Automation & QA: Selenium, Postman, Jira

Software

Jupyter, VS Code, Git, Postman

Domains

Product Data Science, Ads & Growth Measurement, Experimentation, FinTech

About me


I'm Sajan Singh Shergill, a Product Data Scientist focused on ads and growth measurement, with a strong interest in incrementality, lift modeling, and experimentation.

I am currently pursuing a Master's in Data Science at Pace University and bring more than three years of experience in software quality assurance, functional testing, and agile delivery. That foundation in product quality now supports my work in analytics, machine learning, and data storytelling.

  • 3+ years of QA experience across fintech and edtech domains.
  • Hands-on analytics and visualization experience with Python, SQL, Excel, and Power BI.
  • Training in machine learning, predictive modeling, A/B testing, and data storytelling.
  • Academic grounding in statistics, database management systems, and data structures.
  • Experience with CI/CD testing, production support, integration testing, and root-cause analysis.

Recent project work includes customer churn modeling with Random Forest, marketing ad-spend ROI analysis, and energy pricing cost modeling.

I enjoy collaborating with cross-functional teams, building data workflows, and turning ambiguous business questions into measurable insights. For data analyst, product analytics, or ML internship opportunities, connect with me on LinkedIn or email sajanshergill@gmail.com.

EDUCATION

Pace University Logo

Master of Data Science

Pace University (Seidenberg School of Computer Science & Information Systems) | GPA: 3.6 | 2024 - 2026

Guru Nanak Khalsa College Of Arts, Science and Commerce(Autonomous) Logo

Bachelor of Science in Computer Science

2018 - 2021

WORK EXPERIENCE

Pace University Logo

Graduate Student Assistant (External Relations)

Oct 2025 - Present

Tianzhi Studios Logo

Software Engineer in Testing (Unpaid)

Sep 2025 - Oct 2025

Tianzhi Studios Logo

Software Engineer in Testing Intern

Jul 2025 - Sep 2025

Eduvanz Logo

Software Developer in Test

Nov 2023 - Jun 2024

Eduvanz Logo

Lead Quality Assurance Analyst

Feb 2022 - Oct 2023

Eduvanz Logo

Quality Assurance Engineer Level 1

Feb 2022 - Jun 2024

Eduvanz Logo

QA Engineer Level 1

Sep 2021 - Jan 2022

PROJECTS

Selected data, analytics, and intelligence platforms from my recent GitHub work.

Healthcare Analytics

Home Care Intelligence Hub

Operational intelligence dashboard for home care performance, quality, and decision support.

View Project

Logistics Data Pipeline

Amazon Last-Mile Intelligence Pipeline

Python-based analytics pipeline for last-mile delivery monitoring, performance signals, and operational insight.

View Project

Data Governance

RetailOps Governance Intelligence

Retail operations governance platform focused on data quality, controls, reporting, and analytics readiness.

View Project

Financial Data Platform

Security Performance Ledger

Multi-source security master and performance ledger for reconciling investment data and portfolio metrics.

View Project

Cloud Cost Analytics

FinOps Intelligence Hub

Local-first FinOps platform mapped to GCP concepts for cloud spend visibility, cost controls, and optimization.

View Project

Commerce Intelligence

Transaction Intelligence Pipeline

Connected commerce pipeline for transaction monitoring, data modeling, and business performance intelligence.

View Project

Latest repositories

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CERTIFICATIONS

Complete Introduction to Data Science and Machine Learning from Basic to Advanced
Issued May 2024

Freedom With AI Masterclass
Issued May 2024

Complete Data Science BootCamp 2024
Issued Mar 2024

Facebook & Instagram Ads Masterclass
Issued Mar 2024

Learn ML: Beginner's Guide to Machine Learning With Python
Issued Mar 2024

Basic-to-Advanced Microsoft Excel
Issued Dec 2023

AI Tools and ChatGPT Workshop
Issued Nov 2023

ChatGPT Complete Guide: Learn Midjourney, ChatGPT 4 & More
Issued Oct 2023

Learn Python Programming Masterclass
Issued Mar 2022

Java Programming Masterclass covering Java 11 & Java 17
Issued Sep 2021

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