May 2025
Currently an Extern @Breaking Games
I'm Zemen Heliso, I Am Data Analyst.
Passionate about data analytics and hands-on teaching, I empower students with real-world ICT skills.
Work samples
I specialize in teaching front-end development and database management, with a strong focus on practical applications.
Ad Performance Analysis Dashboard Amazon Operational Strategy & People Analytics Externship 
Amazon · Aug 2026 · ✅ Verified by Extern
Amazon Operational Strategy & People Analytics Externship
Imagine shaping how AMAZON — yes, THE Amazon — welcomes and keeps its workforce. Every year, Amazon loses billions because new hires leave before Day 90. You’re going to fix that. In this externship, you’ll web scrape real-world employee reviews from across the web, extract actionable insights, and design persona-driven strategies to help Learning Ambassadors connect smarter, faster, and more humanely. It’s part research, part strategy—and all about learning how people data drives big decisions.
Data AnalysisPythonStrategyOperationsSQL & Database Architecture Externship with Breaking Games Breaking Games · ✅ Verified by Extern · ⏱️ In progress
SQL & Database Architecture Externship with Breaking Games
Turn six messy CSVs into an analytics database and a Q4 dashboard that drives real business decisions. SQL + Claude.
Analytics Database DesignData AnalysisSQL FundamentalsData Storytelling
About me
Passionate about data analytics and hands-on teaching, I empower students with real-world ICT skills.
I am a dedicated ICT Instructor with a background in Electrical and Computer Engineering and an MBA. I have experience teaching front-end development and database management, emphasizing hands-on, real-world applications. My passion lies in data-driven decision-making, and I'm currently shifting my focus to data analysis. I recently completed a certification in Data Science Fundamentals from Udacity and am now enrolled in the ALX Professional Foundation Program, specializing in Data Analytics.
Externships
SQL & Database Architecture Externship with Breaking Games
Breaking Games
Experience
Data Analyst
Alx · Jun 2024 - Mar 2025
Education
Wollega University 6 Nekemte, Ethiopia
Bachelor of Science in Electrical & Computer Engineering
CPU College 6 Addis Ababa, Ethiopia
Master of Business Administration (MBA
Udacity Data Analysis Fundamentals
Class of 2024
Fundamentals Certification ALX Professional Foundation Program
Class of 2024
Data Analytics Certification ALX
Class of 2025
Skills
SQLExcelPOWERBIPythonHTMLCSSPowerPointVS CodeGoogle WorkspaceCommunicationInstructional DesignProblem SolvingSentiment Analysis and Data labelling
Back to works
May 2025
Ad Performance Analysis Dashboard
What I've accomplished
This project demonstrates how data-driven decisions can improve ad targeting and campaign effectiveness. Through interactive dashboards and KPIs, we can uncover which demographics and interests yield the best ROI.
Outcome
This project explores ad performance across platforms, demographics, and interests using data visualization and analysis. The goal is to understand how different ad types perform (impressions, clicks, CTR, and conversions) and provide actionable insights that businesses can use to optimize marketing campaigns.
✅ Verified by Extern
Amazon Operational Strategy & People Analytics Externship
Imagine shaping how AMAZON — yes, THE Amazon — welcomes and keeps its workforce. Every year, Amazon loses billions because new hires leave before Day 90. You’re going to fix that. In this externship, you’ll web scrape real-world employee reviews from across the web, extract actionable insights, and design persona-driven strategies to help Learning Ambassadors connect smarter, faster, and more humanely. It’s part research, part strategy—and all about learning how people data drives big decisions.
Data AnalysisPythonStrategyOperations
Overview
During the Amazon Operational Strategy & People Analytics Externship, I focused on enhancing employee retention by analyzing workforce dynamics. I utilized web scraping techniques to gather employee reviews, extracting insights that informed the development of persona-driven strategies aimed at improving the onboarding experience for new hires, thereby reducing turnover before Day 90.
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Google Slides
AccessWhat I've accomplished
I produced a consultant-style briefing that identified one employee as most at risk and documented patterns connecting burnout, disengagement, and lack of support across the review corpus.
Project breakdown
✅ Verified by Extern · ⏱️ In progress
SQL & Database Architecture Externship with Breaking Games
Turn six messy CSVs into an analytics database and a Q4 dashboard that drives real business decisions. SQL + Claude.
Analytics Database DesignData AnalysisSQL FundamentalsData Storytelling
Overview
The externship converted six messy CSV data sources into a structured analytics workflow and produced a Q4 dashboard. The work inventoryed the available sales and e-commerce data, designed a relational schema, and implemented SQL transformations to populate analytics tables. Deliverables included the cleaned database schema and a functioning dashboard connected to that data.
What I've accomplished
I produced a living document that inventories six raw data sources, records what each source did and did not answer, and stores initial SQL queries and their results for downstream schema design.
Project breakdown
I inventoried six raw data tables, identified what each could and could not answer, wrote SQL for five weekly metrics (including top products by units), and saved a running Holiday Game Plan document with queries and results.
Google Docs
Access