Mario Dwiki

Experience

• 

  PT IndoSterling Technomedia

  Jan 2018 - Jan 2018

  Database Programmer Intern

  Parsed IDX's raw transactional data into a SQL database, and performed simple queries, using Python and PostgreSQL

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  Bahasa.ai

  Feb 2020 - Apr 2020

  Machine Learning Engineer Intern

  Added some vocabularies in the entity recognition system by using regular expression patterns. Performed a few bugfixes to the datetime parser.

• 

  KewMann

  Oct 2020 - Sept 2022

  Data Scientist

  -Made customer RFM analysis dashboard to be used by Singaporean SMEs using Power BI-Made customer KNN clustering model for Malaysian insurance company using Sklearn, visualized with Apache Superset-Made ETL pipeline on XML data from multiple sources using Python in AWS(Glue, Lambda, SQS, S3, etc) for Singaporean library institution-Made data crawler to scrape housing and car prices with Scrapy-Maintained model evaluation system of Logistic Regression model for credit scoring in Indonesian loan company with Pyspark Show less

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  AIA Singapore

  Sept 2022 - May 2025

  Data Engineer

  -Made SQL queries for insurance agent internal audit system as Stored Procedures, as well as enhancing existing tables in PostgreSQL-Made ETL Pipeline extracting customer activity data in corporate website for cross-selling using Pyspark in Databricks -Maintained ETL Pipeline for customer data features to be used by Data Analysts & Scientists using Pyspark in Databricks

• 

  Danone

  May 2025 - now

  Data Engineer