I specialize in the design, development, and deployment of enterprise-grade blockchain and AI solutions across banking, retail, and supply chain sectors. My work bridges strategy and execution, ensuring technical excellence while driving measurable business outcomes.
- Regular contributor at chaintum.io, exploring blockchain and AI adoption across Africa.
- Experienced in development and deployment of enterprise-grade blockchain and AI products across banking, retail, and supply chain sectors. I bridge the gap between innovation and real-world implementation—leading teams that design, build, and scale market-ready digital solutions.
With a strong foundation as a blockchain and AI developer, I lead full-cycle product innovation—from strategy and system design to deployment and market alignment. My work sits at the intersection of deep tech and impact, unlocking new efficiencies in governance, trade, telecommunications, and public service delivery.
- Enterprise Blockchain Solutions – Designing distributed systems for transparency, traceability, and trust.
- AI & Machine Learning – Building intelligent solutions with PyTorch, TensorFlow, Hugging Face, and Azure AI services.
- Project & Technical Leadership – Leading teams from concept to delivery with agile practices and cross-functional collaboration.
- Machine Learning & Deep Learning
- Solidity & Smart Contract Development
- Hedera Hashgraph & DLT Integrations
- Azure AI Foundry Agent Service
- Hedera AI Agent Kit Services
- Hugging Face Smolgents
- Email: david@chaintum.io
- LinkedIn: linkedin.com/in/david-otieno
- Twitter: @davidotieno
Crafting impactful blockchain & AI solutions

