nvandi.data

I Turn Raw Property, Operational & Location Data into Clear Dashboards & Interactive Maps

Hi, I'm Attariq Novemberiandi, S.T. (Ian / Atar) — Top Rated Data Visualization & GIS Specialist at nvandi.data. I help teams structure scattered datasets, validate metrics with statistical logic, and build decision-ready maps, ETL pipelines, and BI dashboards.

Top Rated (100% JSS)
Data Viz & GIS Specialist
B.Eng (GPA 3.94 / 4.00)
Python SQL Tableau & Power BI GIS (QGIS / ArcGIS) Leaflet / GeoPandas Plotly & Google Sheets ETL Pipelines
View Case Studies ↓ Explore Services
Attariq Novemberiandi Photo
DATA VISUALIZATION & GIS SPECIALIST

Attariq Novemberiandi, S.T. (Ian / Atar)

Top Rated Upwork Freelancer specialized in BI dashboards, GIS mapping, & statistical data analysis.

Upwork
5.0
Verified Review

"Attariq is doing a fantastic job and delivering high-quality work with strong attention to detail. His communication has been clear, consistent and always on schedule. He's been very easy to work with and made the entire process smooth for me. I have been hiring on Upwork for almost 10 years and this is not common in many freelancers on the platform. To me Attariq is an outlier in every positive sense and I plan to continue working with Attariq in the future."

Clear CommunicatorCommitted to QualityAccountable for Outcomes
Plotly Studio and Google Sheets IntegrationClient on Upwork (10-Year Veteran Buyer)
PORTFOLIO SHOWCASE

Featured Case Studies

Real data analytics projects demonstrating business impact, data modeling, and visualization clarity.

BI & Executive Dashboard 2025

E-Commerce Customer Retention & Revenue Leakage Dashboard

Analyzed 50,000+ transaction rows to track cohort retention, identify high-churn customer segments, and build an automated KPI reporting system.

Revenue Leakage Identified: 14.8%
Data Processing: Automated
SQL Python Tableau
Macro & Financial Viz 2025

Rupiah Purchasing Power & Real Wage Inflation Explorer

An interactive data story deconstructing exchange rates vs. real purchasing power in Indonesia using multi-variate time series visual models.

Data Source: Bank Indonesia & BPS
Format: Interactive Essay
Python D3.js Data Storytelling
Fact-Check & Public Analytics 2026

Fact-Check: Rural Economy Impact of USD/IDR Spikes

Quantitative analysis debunking public policy myths around rural agricultural commodity prices and foreign exchange fluctuations.

Methodology: Regression & Time-Series
Format: Interactive Fact-Check
Python Public Datasets Data Viz
SERVICES & SOLUTIONS

How I Can Help Your Team

Tailored analytics & data visualization services for companies, startups, and consulting clients.

BI & Executive Dashboards

Custom dashboards in Tableau, Power BI, or Looker Studio designed for executive decision-making, automated KPI tracking, and operational clarity.

Exploratory Data Analysis (EDA)

Deep dives into complex raw datasets (SQL/Python) to uncover hidden patterns, customer behavior insights, and data-backed growth opportunities.

Custom Web Data Visualization

Bespoke, interactive data graphics built directly for the web (Chart.js, Canvas, D3) to turn complex data into captivating digital stories.

DATA STORYTELLING

Data Essays & Analysis

View All Writing →
Fact-check Mei 2026 · 7 mnt

Benarkah rakyat desa tidak terdampak dollar?

Monetary May 2025 · 8 min

The rupiah and purchasing power: what exchange rate charts don't show