Work Experience
- Business Intelligence Lead, Wall Street English Indonesia
Jakarta, Indonesia · Full-time · Aug 2023 – Present- Promoted from Data Analyst to lead the BI function, managing a team of two.
- Developed a machine learning model to predict lead quality, contributing to the highest annual sales in company history.
- Redesigned prospect distribution algorithm, improving conversion rates by 2%.
- Overhauled payroll and commission systems; led operational transformations in recruitment and competitor research.
- Drove company-wide data literacy initiatives and earned multiple awards for leadership and innovation.
- Data Analyst, Wall Street English Indonesia
Jakarta, Indonesia · Full-time · May 2022 – Jul 2023- Ran A/B tests that increased conversion by 6% through service optimization.
- Built ML models to predict purchasing behavior, driving a 3% lift in conversion.
- Designed KPI dashboards using Google Looker Studio and performed ad-hoc analysis using Python and Excel.
- Data Analyst, Gamal Men
Jakarta, Indonesia · Freelance · Jun 2022 – Jul 2023- Analyzed sales and marketing data to guide business decisions.
- Built a KPI dashboard in Looker Studio; automated sales reporting with Python.
- Contributed to achieving the company’s highest-ever monthly sales.
- Junior Officer, Masirah Oil - Topaz Maritime Duqm, Oman · Contract · Dec 2020 – Dec 2021
- Promoted from Apprentice. Oversaw oil transfer operations and data reporting.
- Developed tools for ship stability calculations, cutting reporting time by 50%.
- Apprentice, Topaz Maritime Jakarta, Indonesia · Contract · Sep 2017 – Oct 2018
- Supported oil production monitoring and navigation optimization.
- Ensured compliance with safety and environmental regulations.
Skills
- Programming: Python, SQL
- Machine Learning: scikit-learn, TensorFlow, PyTorch
- Data Visualization & BI: Tableau, Power BI, Google Looker Studio
- Database: PostgreSQL, MongoDB, NoSQL
- Big Data: Apache Spark
- Other Tools: Git, Docker, Optuna
Awards and Contributions
- Led data-driven transformation initiatives across multiple departments at Wall Street English Indonesia.
- Received #NaikLevel Employee 2024
- Received Best Support Function 2024
- Received Best Support Function 2023
- Received Star Fixer 2023
Education
- Bachelor of Applied Science, Semarang Merchant Marine Polytechnic, 2015 – 2020
Semarang, Indonesia
Certifications
- MongoDB — MongoDB Inc. · Oct 2023
- Data Scientist — Kominfo Digital Talent Scholarship · Dec 2022
- Microsoft Power BI for BI — Udemy · May 2022
- Python for ML and DS — Udemy · Mar 2022
- Data Analysis with Pandas and Python — Udemy · Dec 2021
- MySQL for Data Analytics and BI — Udemy · Dec 2021
- English Language Test for Seafarers (93/100) — Marlins UK · Feb 2020
- English Proficiency Test (Higher Intermediate) — LBPP LIA · Feb 2017
Portfolio
