Key Achievements:

Questionnaire / Survey Tool

• 📝 Built dynamic questionnaires supporting geometry (points, lines, polygons), file attachments (audio, video, images), text, and numeric inputs.
• 📊 Automated questionnaire creation from Excel, replacing Esri’s Survey123 → saved $10,000+ annually in licensing costs.
• 🔗 Implemented QR code auto-population, enabling instant form setup and improving data collection efficiency & accuracy.

Wajir County Land Information Management System (LIMS)

• Served as Technical Lead & Backend Developer, improving land transaction services by 60%.
• ⚡ Optimized parcel loading (100k+ records) with vector tiles → reduced load time from 1+ minute to seconds.
• 💰 Boosted revenue collection by streamlining Land Rates & Rent payments and building approval workflows.
• 📑 Digitized land transactions → enabled instant access to ownership & encumbrance records after payment.
• 🗄️ Built a geospatial digital repository, eliminating manual searches and inefficiencies.
• 📋 Implemented task tracking system for county staff, increasing accountability.
• 💬 Added intra-staff chat system for faster horizontal & vertical communication.

Key Achievements:

Land Information Management System

• 🌍 Built and maintained a comprehensive Land Information System (LIS) using Django and PostgreSQL, enabling efficient records management and real-time access for county governments and clients.
• 💳 Integrated online payment system for service and access fees → improved efficiency for users and enhanced revenue accountability by tracking all transactions.
• 📑 Automated conveyancing workflows: user applications after payment auto-assigned to staff, with transactions tracked through approvals across multiple staff.
• ⚡ Implemented CI/CD pipelines with Docker → reduced deployment time by 40%.
• 🔐 Strengthened platform security by integrating OAuth & JWT authentication, ensuring compliance with local regulations.
• 🗺️ Integrated GIS for spatial data storage & visualization, supporting advanced analysis, intuitive search, and representation of land records.
• 🚀 Optimized database queries and indexing → improved system responsiveness with a 30% reduction in data retrieval times.
• 📡 Ensured OGC compliance by decoupling geospatial queries using GeoServer.

Key Achievements:

3D Immersive Application for Emergency Response

• 🏢 Built a 3D immersive virtual tour & asset management app for strategic buildings (e.g., Westgate Mall).
• 🔎 Enhanced counter-surveillance strategies by enabling better detection, prevention, and response to potential threats.

Mtush E-commerce Platform

• 🛒 Full-stack developer for e-commerce app with MPESA paybill integration.
• 📲 Implemented STK push payments with real-time notifications via email, SMS, and WebSockets.

Shujah Mall Immersive E-commerce

• 🛍️ Developed immersive shopping application allowing virtual mall tours, shop exploration, and product browsing.
• 🕹️ Delivered interactive 3D user experience bridging e-commerce with spatial navigation.

ILand System

• 🌍 Backend geospatial developer for a land management system ensuring secure, automated land transactions.
• 📑 Built an online inventory of verified land records accessible to users and staff.

ProdTrace (Crop Traceability System)

• 🌱 Implemented blockchain-based backend for transparent, tamper-proof tracking of crop origins and supply chain.
• 🍽️ Enhanced food safety & consumer trust through immutable records.

Mnara System

• 📡 Geospatial developer for counter-surveillance application integrating 3D visualization.
• 🏗️ Accurately positioned facial recognition cameras and visualized assets within 3D building models.

Mapteq

• 🛰️ Backend developer for a drone-imagery web app generating 3D models from elevation data.
• 🔐 Supported security agencies in counter-surveillance and spatial analysis.

Mission Control Dashboard – Taifa 1 Satellite

• 🚀 Developed backend endpoints for monitoring satellite health and telemetry commands.
• 📥 Built APIs for capturing targeted images and downloading satellite data.
• 🤝 Project in partnership with SayariLabs, KSA, and EnduroSAT.

E-commerce Site Backend

• 💻 Designed and implemented backend architecture for a scalable e-commerce platform.
• 🔐 Features included product management, authentication, payments, and order tracking.

PeaPAY – Payment Gateway System

• 💳 Engineered backend for secure multi-provider payment gateway.
• 📜 Ensured compliance with financial regulations and provided scalable solutions.

Covid-19 Tracker

• 🦠 Developed geospatial visualization and automation scripts for daily Covid spread data.
• ⚡ Reduced data prep time from 8 hours → 10 seconds, enabling faster decision-making for the Ministry of Health.