Sofyan Agus Salim
About
I started in GIS in 2008 and have been building production web applications for more than ten years. Most of my work sits where land, data and software meet: forests, peatland water management, smallholder farmers and commodity supply chains.
I like turning complex requirements into working products quickly, and I am comfortable working independently with remote, English-speaking teams.
01Experience
Early projects
2008–2009
KKI Warsi
2012 – 2017
Sinarmas Forestry
2017 – 2019
Koltiva
2021 – 2025
WRI Indonesia
2025 – Present
Education
2025 – Present
Data Management & Development Platform · WRI Indonesia
Designing and building the SmallholderHub management information system and owning data management across the platform.
2021 – 2025
GIS Developer (Full Stack) · Koltiva
Shipped GIS features for an agri-tech supply-chain platform: actor maps, traceability maps and spatial data management.
2017 – 2019
Application Manager · Sinarmas Forestry
Built OWMS and WMMS for plantation water-level monitoring, integrated enterprise GIS data with SAP, and ran hydrology models.
2012 – 2017
GIS Specialist · KKI Warsi
Owned the spatial-data lifecycle for community forestry and village planning — from field collection to analysis and web publishing.
02Skills
GIS & mapping
- PostGIS
- GeoServer
- MapLibre
- OpenLayers
- Leaflet
- Mapbox
- Google Maps API
- QGIS
- ArcGIS
- Google Earth Engine
- ENVI
- eCognition
Frontend
- JavaScript (ES6+)
- React
- Ext JS
- jQuery
- HTML5
- CSS3
Backend
- Node.js
- Express
- PHP
- Laravel
- Lumen
- CodeIgniter
- Python
- REST APIs
Data
- PostgreSQL
- MySQL
- SQL Server
- MongoDB
- pandas
- Jupyter
- Tableau
- scikit-style ML workflows
03Education
- 2024
Data Science & Machine Learning Bootcamp
Purwadhika Digital Technology School
Python, SQL, statistics, Tableau, ETL, supervised & unsupervised ML.
- 2019
Full Stack Developer Bootcamp
Impact Byte
JavaScript, React, Node.js, Express, MySQL, MongoDB.
- 2008
Bachelor's Degree
IPB University
Thesis: land-cover change using a regional model in Borneo.
04Languages
- Indonesian — native
- English — professional working proficiency