Haidar Ali Rizqi

Haidar Ali Rizqi

Senior Data Analyst
United States of America

About Me

Senior data analyst with experience in data analytics, A/B testing, data visualization, data modeling, and web analytics. Has worked on ads systems, marketing automation, recommendation systems, and analytics instruction…

Experience

Senior Data Analyst

Tokopedia
Aug 2021 - Present · 5 years 2 months

- Led a team of two associate data analysts in developing on-site ads display system, called TopAds, alongside product and
DevOps team
- Automated A/B testing process using R Shiny, eliminating partner's dependence on data analytics team in conducting
experiment and reducing time for deployment by 30%
- Optimized ads bidding and placement system by fine-tuning existing ads ranking algorithm using NSGA-II method, resulting
in additional ~1% ads revenue

Mentor

ADPList
Nov 2022 - Present · 3 years 11 months

<p>Conducted pro-bono private mentoring sessions for career advice and personal development, mainly career switchers and newcomers on data analytics</p>

Senior Data Analyst

Tokopedia
Aug 2021 - Jul 2023 · 1 year 11 months

<p>Led a team of two associate data analysts in developing on-site ads display system, called TopAds, alongside product and DevOps team<br>
Automated A/B testing process using R Shiny, eliminating partner's dependence on data analytics team in conducting experiment and reducing time for deployment by 30%<br>
Optimized ads bidding and placement system by fine-tuning existing ads ranking algorithm using NSGA-II method, resulting in additional ~1% ads revenue</p>

Data Analytics Instructor (Part-Time)

RevoU
Jun 2022 - Jun 2023 · 1 year

<p>Taught data analysis, from data cleaning to machine learning, with Python in a bootcamp with total of >200 fresh graduates and professionals to kickstart career in data analytics<br>
Achieved satisfaction score of 4.98 (out of 5), rated by students and faculty during lecture</p>

Data Analyst

Kompas Gramedia
Jan 2019 - Aug 2021 · 2 years 7 months

<p>Pioneered an end-to-end, automated and highly-personalized marketing journey for Gramedia.com through email and app push notifications to improve customer engagement rate by 23%<br>
Developed a product recommendation system based on Neural Collaborative Filtering (NCF) to provide more personalized marketing content<br>
Increased Click-Through Rate (CTR) by 20%<br>
Initiated company's first Single Source of Truth (SSOT) practice called KG360, a centralized database from all subsidiaries to get a 360-degree view of each customer based on tracked activities and user preferences in every Kompas Gramedia product</p>

Skills

Analytics Data Analysis Professional Information Systems Management Data Mining Microsoft Access Statistical Analysis System (SAS) Structured Query Language (SQL) Data Analysis Skills Power BI R Programming Language (R) Tableau Databases Python MATLAB A/B Testing Statistical Test t-test ANOVA Chi-squared Time Series Analysis Recommendation System Metabase Looker Google Data Studio Airflow ER/Studio Google Analytics Google Tag Manager R Shiny Machine Learning Data Cleaning Neural Collaborative Filtering NSGA-II
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