Hi, I'm
Rivaldo Timoty
Manihuruk
Statistics graduate from ITS with 2+ years of experience turning raw data into actionable insights. I build dashboards, develop ML/AI models, and bridge the gap between technical and business teams - currently working as Supervisor Data Science at Erajaya Group.
Experience
My professional journey in data science and analytics.
Work Experience
Supervisor Data Science
PT. Erajaya Swasembada Tbk
- Building an AI classification model to automate internal complaint categorization.
- Analyzing business processes and structuring training datasets for model development.
AI Native Engineer
PT. Stellar Data Constellation (PT. eBdesk Teknologi)
- Built a PoC dashboard translating client requirements into functional data solutions.
- Developed an MVP survey web app for Indonesia's Village Building Index (Indeks Desa Membangun), end-to-end from design to deployment.
Data Scientist
PT. Stellar Data Constellation (PT. eBdesk Teknologi)
- Created 30+ monitoring dashboards for government ministries, military institutions, and private sector clients - covering news tracking, social media analysis, and public complaints.
- Expanded into territorial and statistical dashboards with geographic insights for decision-making.
- Coordinated cross-functional communication between front-end teams (marketing, analysts) and back-end teams (engineers, AI team) across projects.
IT Data Analyst Intern
Sekretariat Jenderal DPR RI
- Built 10+ dashboards for the SINTESA DPR RI application prototype.
- Performed sentiment analysis on news and Twitter data related to House of Representatives members.
Database Lecturing Assistant
Institut Teknologi Sepuluh Nopember
- Tutored 40 students in SQL and fundamental database concepts.
Statistician Intern
Dinas Pekerjaan Umum Bina Marga
- Analyzed sectoral data and developed 19 metadata sets for SATA JATIM 2024.
- Built interactive dashboards visualizing East Java road infrastructure data.
Education
Bachelor of Statistics
Institut Teknologi Sepuluh Nopember (ITS)
2020 – 2024
GPA: 3.51/4.00. Active in HIMASTA ITS as Vice Head of Interest and Talent.
Senior High School
SMAN 1 Plus Raya
2017 – 2020
Final Score: 88.77/100.
Organizations
Vice Head of Interest and Talent
HIMASTA ITS
Vice Manager of HR & Development
PSt-HIMASTA
Staff of Research and Data Analytics
PSt-HIMASTA
Staff of HR Development
Lingkar Cendekia
Technical Skills
Technologies and tools I work with.
Programming
Databases
Tools & Analytics
Portfolio Projects
Data analysis and machine learning projects I've worked on.
Dashboard of East Java Population and Labour
Developed and deployed an interactive dashboard offering in-depth insights into population dynamics and labor force conditions across East Java, utilizing map visualizations to enhance geographic understanding.
Predictive Model for Assessing Loan Repayment
Implemented a Decision Tree ML model to predict and evaluate credit applications, with an interactive dashboard visualizing outcomes for stakeholders to assess customers' loan repayment capabilities.
Dashboard Covid-19 Global Forecasting
Designed an interactive dashboard using Looker Studio to visualize global pandemic metrics including confirmed cases, fatalities, and regional distribution with geographical maps and trend analyses.
Grouping of Districts/Cities in East Java
Conducted clustering of public health conditions using K-Means and Agglomerative Hierarchical Clustering, analyzing optimal group distinctions with MANOVA and ANOVA.
Data Exploration of East Java Geography & Climate
Processed and visualized geographical and climatic data using R, analyzing factors influencing temperature variations through simple and multiple linear regression methods.
BIT:ISP Forecasting with ARIMA
Developed a forecasting model using ARIMA(1,0,0) with SAS, identifying intervention effects of the Covid-19 pandemic on the time series data.
Dashboard Average Daily Traffic 2014–2021
Built an interactive dashboard providing detailed insights into Average Daily Traffic trends in East Java, aiding strategic decision-making in infrastructure planning.
Certifications & Awards
Semifinalist Data Analysis Competition
Statistics - ITS
Magang Bersertifikat – Kampus Merdeka Batch 6
Setjen DPR RI
Studi Independen Bersertifikat Batch 4
Zenius
Course of Data
Gumatika FMIPA IPB University
Data Science in Retail: Market Basket Analysis
DQLab