About
Call me Jason,
I am a skills-based and service-oriented person who loves managerial work. I have worked as Full-Stack Web Developer and Data Analysis Project with the theme of customer churn. I learned project management, SQL, and programming skill at RevoU. I am also proficient in SQL, Python, and Spreadsheets from my last job, and already learning Data Visualization and Data Analysis. With the skills and experience mentioned, I can become a data analyst proficient with the tools and manage projects better with my managerial skills.
- Phone: +6281234516170
- City: Surabaya, Indonesia
- Degree: Bachelor's of Informatics Engineering
- Email: j.marcellino1998@gmail.com
Resume
Education
Full Stack Data Analytics
Aug 2022 - Dec 2022
RevoU
- Skillset: Spreadsheet, SQL, Python, Tableau, Google Data Studio
- Mastered the fundamentals and practice of data analytics
- Able to process data and give meaningful insights
- Mastered various data processing tools (SQL, Python, Tableau, and Google Data Studio)
Bachelor's Degree in Informatics Engineering
Aug 2016 - Jul 2022
Institut Sains dan Teknologi Terpadu Surabaya
- Activities and societies: HIMAFOR 2016-2018 | KMK 2016-2018
- Final Project: Study on Pyomo Package for Mathematical Optimization Model
- Major coursework: Big Data, Data Mining, Web Mining, Machine Learning, Social Network Analysis, Mobile Device Programming, Service Oriented Architecture, Accounting Information System
Professional Experience
Full Stack Web Developer
Feb 2022 - Aug 2022
Lavin Corporation, Surabaya, Indonesia
- Performed various tasks including developing front-end web architecture (HTML, CSS, and Javascript), designing user interaction, developing back-end website applications, creating servers, and managing databases (SQL).
- Help develop the company's business concept for business growth
- Work with 4 people on the same team and work on a client project with a deadline of 3 month
Robotics Teacher
Jun 2017 - Jul 2019
Various Schools, Surabaya, Indonesia
- Teaching Robotics at various schools: SMA Santo Carolus Surabaya (Jun 2017 - May 2018), Institut Sains dan Teknologi Terpadu Surabaya (Aug 2017 - Jul 2018) & SMAK St. Louis 1 Surabaya (Aug 2018 - Jul 2019)
- Designed curriculum based on students' interests to increase 90% of students' intention in robotics
- Provided material and taught 25-30 students every week in extracurricular activities.
- Making learning materials using Arduino, LEGO Mindstorms, and Python for 1 semester.
Skills
STATISTICS AND SPREADSHEET
Create an EDA, statistical measurement, and do A/B testing with t-test approach.
SQL
Extract, transform, load, manipulate, and analyze the data stored in a database and generate cohort analysis using CTE and window functions.
PYTHON
Create customer segmentation using RFM analysis and K-Means clustering with Elbow Method and Silhouette Analysis.
Tableau
Create advanced interactive dashboards by utilizing features such as tooltips, parameters, filters, LOD, etc.
Robotics
Create IoT modules with Arduino, Lego Mindstorm and teaching robotics to High School students.
