
GIS Specialist & WebGIS Developer
Kevin Sambuli
Kevin is a GIS specialist and software developer with more than five years of experience across spatial analysis, geodatabase management, remote sensing, and WebGIS delivery. He builds and deploys geospatial products from the database and service layer through to clear, interactive web maps.
Available through GeoDEVs for project delivery, technical collaboration, training, and consulting engagements.
Employment history
March 2024 – December 2024
GIS Assistant
International Center for Humanitarian Affairs, Red Cross · Nairobi
Created digital field questionnaires for humanitarian data collection, contributed disaster-response mapping to OpenStreetMap, and designed geodatabases and GIS content-management workflows.
June 2023 – February 2024
GIS Developer
Geospatial Research International · Nairobi
Developed the Maji Data web mapping platform, improving spatial data quality, GeoServer symbology, map usability, and the presentation of water-service-provider information.
May 2022 – July 2022
Research Assistant
Kenya National Bureau of Statistics · Trans-Nzoia County
Collected household data and updated geographic cluster extents used to support long-term household and economic survey programs.
February 2022 – March 2022
GIS Developer
Digital Data Divide · Nairobi
Built a Python geospatial-processing script for integration into an SDK that automated the processing of satellite imagery.
August 2021 – October 2021
Research Assistant
UNICEF · Vihiga County
Collected spatial and non-spatial public-health information used to assess local adoption of the Linda Mama maternal-health program.
Professional WebGIS projects
May 2026 – August 2026
Marine Spatial Planning Atlas Portal — Kenya
Lead Backend Developer & Deployment Engineer · Nairobi Convention Secretariat / UNEP
Led the backend architecture, geospatial infrastructure, deployment, and Esri integration for a production atlas supporting marine and coastal spatial planning.
July 2026 – August 2026
Maji Data Platform
GIS Developer & WebGIS Consultant · Geospatial Research International
Configured GeoServer services, production-ready layer styling, spatial data publishing, and map-performance improvements for a national water data platform.
August 2023 – February 2024
Wetland Ecosystem Valuation WebGIS
Full-stack Developer · Geospatial Research International
Built a modular WebGIS for exploring land-cover data and wetland ecosystem values across RCMRD member states in Africa.
June 2023 – August 2023
Maji Data — Small-scale Water Service Providers
GIS Developer & Consultant · Geospatial Research International
Helped build an interactive national GIS platform for managing water-provider data, with an emphasis on map tools, cartography, and a cohesive user experience.
Selected contributions
Coastal planning · Kenya
Marine Spatial Planning Atlas
A production WebGIS atlas for exploring, managing, and communicating marine and coastal spatial information for Kwale and Lamu.
Open-source spatial intelligence
GeoDEVs WebGIS Platform
A full-featured browser GIS for data discovery, mapping, analysis, routing, weather intelligence, and export workflows.
Water-sector intelligence · Kenya
Maji Data Platform
A national spatial data platform for mapping water service providers, performance indicators, infrastructure, and service coverage.
Utility asset management · Taita Taveta
TAVEVO Water Supply WebGIS
An Esri-based spatial decision-support platform for exploring water-network assets, service infrastructure, and operational dashboards.
Ecosystem intelligence · Africa
COLWED Wetland Valuation WebGIS
A regional WebGIS for exploring land-cover information and the social-economic value of wetland ecosystems.
Decision support
Geospatial Analysis Suite
Secure, role-aware spatial analysis workflows made accessible through the web.
Remote sensing
Earth Observation Monitoring
Satellite-derived vegetation and land-change insights prepared for faster interpretation.