Hi I'm Trio Wibowo, Welcome to my portfolio! I specialize in transforming data into actionable insights for businesses, with a strong passion for data analyst and business intelligence analyst enthusiast.
Data analyst with over 4 years of experience transforming data into insights for decision-making to improve product quality, service delivery, and customer satisfaction metrics. Commit to an analytical course to develop programming skills in SQL, R, and Python, focusing on advanced data manipulation, analysis, predictive modeling, and creating visualization with interactive dashboards.
IPB University, Bogor, Indonesia
Bachelor of Science in Physics
Dynamics Massive Gravity Model in de-Sitter Universe with Modified Perfect Fluid Stress-Energy Tensor
October 2017
PT Bukalapak.com
Data Analyst
May 2020 - Present
Operation Delivery Monitoring
August 2018 - May 2020
Bachelor of Science in Physics
Dynamics Massive Gravity Model in de-Sitter Universe with Modified Perfect Fluid Stress-Energy Tensor
October 2017
PT Bukalapak.com
Data Analyst
May 2020 - Present
- Developed data-driven solutions to support strategic decision-making, primarily analyzing customer behavior to enhance satisfaction across products and services.
- Optimized platform emails, in-app messaging, outbound calls, and created campaign vouchers to meet sample size targets, increasing user participation in product and service evaluations by 10%.
- Created an automated system to classify the top 5% of high-revenue users for priority service, reduced churn rate by 25%, and increased virtual product revenue by 9%.
- Collaborated with cross-functional teams (Product and Support) to implement automation and admin call features in the marketplace return process, reducing required interactions for resolution by 60%.
- Worked with the business and AI teams to develop a chatbot for automating phone number change requests in the Mitra Bukalapak apps, achieving a 46% resolution rate.
- Optimized data models and query logic for faster retrieval and greater accuracy in migrating 141 reports, reducing project completion time by 20%.
- Designed ERD schemas, ETL workflows, and interactive dashboards using Tableau to identify growth opportunities at PT Buka Tumbuh Berbagi (BTB), resulting in a 30% increase in data-driven decision-making.
Operation Delivery Monitoring
August 2018 - May 2020
- Execution of 3000 transactions pending over 5-9 (valid and invalid) per day and ensuring 97% of transactions were solved.
- Used SQL to collect transaction data, speeding up follow-ups with delivery partners on issues by 80% over manual entry.
- Provide weekly and monthly reports for evaluation and feedback to delivery partners, providing data-driven insights to enhance transaction processes.
- Python: Pandas, NumPy, Matplotlib, Seaborn, DateTime, SciPy, Statsmodels, Scikit-Learn.
- R: tidyverse, lubridate, data.table, ggplot2.
- SQL: DDL, DML, CTEs, Window Functions.
- Bigquery, PostgreSQL, MySQL.
- Looker, Redash, Metabase, Tableau.
- Exploratory Data Analysis (EDA): Univariate, Bivariate, and Multivariate Analysis.
- Cohort Analysis: Retention Rate, Churn Rate, Lifetime Value (LTV).
- Hypothesis Testing: Anova, Chi-Square, T-test, Z-test (implemented using Python).
- Machine Learning: Intermediate - Supervised (Logistic Regression, Decision Trees, Random Forest) and Unsupervised (Clustering).
- Business Strategies: Product-Market Fit, Customer Growth Metrics.
- Confluence: Document management and team collaboration.
- JIRA: Project tracking and issue management.
- Github: Version control and code repository management.
- Airflow: ETL workflows and Data Pipeline.
- Excel/Google-sheet: Pivot, Data manipulation with advanced formulas, and visualization.
- Data Science, Binar Academy | No Expire | Credential: FGA/BLSDM.Kominfo/2024
- Google Data Analytics Professional, Coursera | No Expire | Credential: 68G7TL7MN2NH
- Data Scientist, Digital Talent Scholarship | No Expire | Credential: DTS/BLSDM.KOMINFO/05/2021
- Data Management Business Analytics (MBA), IYKRA | No Expire | Credential: IYKRA/DMBA/03/2021/021
