Full Stack Engineering Across Fintech and Geospatial Systems

Full Stack Engineer | Fintech, GIS & Quantitative Finance

Building Production-Grade Systems Across Fintech and Spatial Technology

I'm a Full Stack Engineer. In my current role I build production-grade fintech systems: backend APIs, machine learning integrated into real-time fraud detection and decisioning, and the frontend interfaces that tie it all together. I work across the entire stack with a strong emphasis on system architecture, code quality, and scalability.

My path here started in Geomatics Engineering, which gave me a rigorous foundation in complex data systems, spatial analysis, and precision thinking. Since 2019 I've delivered 500+ projects, spanning freelance consulting, corporate GIS development, and now fintech engineering, for clients across 20+ countries. That range sharpened my ability to move fast, solve hard problems, and communicate clearly across technical and non-technical audiences, carrying me from building geospatial applications and APIs at JapakGIS Africa into my current role as a Full Stack Engineer at Fortifiy.

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I hold a Bachelor of Science in Geomatics Engineering and GIS from Jomo Kenyatta University of Agriculture & Technology, and I'm currently reading for a Master of Science in Financial Engineering at WorldQuant University, the quantitative side of the work I already do day to day. I'm also certified in Software Engineering and Data Analytics. I still take on geospatial work when the problem is compelling, but building fast, reliable systems for high-stakes financial decisions is where I spend most of my time.

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Projects Delivered

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Years Freelancing & Engineering

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Countries Served

What I build, and what I build it with

Full Stack Development

End-to-end web application development, from robust backend services to clean, responsive frontend interfaces.

ReactAngularResponsive dashboardsUser workflows

Geospatial Solutions & Mapping

Transform spatial data into actionable insights with expert GIS web development and interactive map dashboards.

LeafletOpenLayersQGISLocation-allocation

Data Science

Find the signal in complex datasets with Python-based analysis, visualization, and machine learning pipelines.

PythonRSQLFeature engineering

Remote Sensing

Gain critical environmental and land-use insights from satellite and aerial imagery analysis.

Image processingChange detectionSpectral analysis

Simulated price paths from a geometric Brownian motion model, with the median and 5 to 95 percent band

Quantitative Finance

Financial data analysis, econometric forecasting, derivative pricing, and portfolio and market-risk modelling, from my MSc in Financial Engineering at WorldQuant University (in progress).

Financial econometricsDerivative pricingStochastic modellingPortfolio analytics

Current Role at Fortifiy

Full stack engineering on Fortifiy's platform: backend services and APIs, fraud detection and real-time decisioning. Listed as the work I do there, not as a service I take on independently.

Current roleBackend & APIsReal-time decisioning