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Led the backend architecture for CANEX, a large-scale creative industry marketplace. Designed and implemented distributed microservices handling user ...
Key Highlights
- Architected scalable microservices architecture
- Implemented AI recommendation engine
- Integrated payment processing systems
- Redis-based caching for performance optimization
- Kafka-driven asynchronous workflows
- Production monitoring with Prometheus and Grafana
Developed and maintained backend services for the IATF platform, enabling secure B2B interactions across multiple African markets. Implemented event-d...
Key Highlights
- PCI DSS and GDPR compliance implementation
- Event-driven architecture using Kafka
- Redis-based caching for performance and scalability
- Kubernetes-based production deployments
- End-to-end monitoring using Grafana
Designed a fintech platform enabling users to acquire income-generating assets through flexible installment-based financing. Integrated Safaricom M-Pe...
Key Highlights
- Custom installment-based hire purchase agreements
- Mobile-first payments using M-Pesa
- IoT-based asset tracking and enforcement
- Fail-safe mechanisms for tamper detection
Designed and operated end-to-end data infrastructure for a European clean energy investment platform at Bruegel (Belgium), enabling stakeholders to an...
Key Highlights
- End-to-end ELT pipelines for multi-source investment data
- Data validation frameworks with embedded business rules
- Self-service dashboards for non-technical stakeholders
- Data lineage documentation and schema design records
- Optimized data models for analytical workloads
- Automated weekly ETL pipeline with LLM-powered entity extraction
Designed and implemented a decentralized package management system to address supply chain vulnerabilities in centralized software registries. The pla...
Key Highlights
- Immutable software release tracking using Hyperledger Fabric
- SHA-256 cryptographic hash validation for package integrity
- Multi-organization blockchain network with endorsement policies
- Java-based chaincode for asset and release management
- Fabric Gateway SDK integration via Node.js backend
- React and TypeScript frontend for package publishing and validation
- Production-style observability using Prometheus and Grafana
Designed and deployed a hybrid cloud microservices platform that integrates locally hosted OpenStack infrastructure with Microsoft Azure virtual machi...
Key Highlights
- Hybrid cloud architecture integrating on-premise OpenStack with Azure VMs
- Kubernetes-orchestrated microservices spanning local and cloud environments
- Secure cross-environment networking and service-to-service communication
- Terraform-based infrastructure provisioning for both OpenStack and Azure
- Stateful workloads hosted locally with Kubernetes StatefulSets
- Horizontal pod autoscaling across hybrid infrastructure
- Centralized monitoring with Prometheus and Grafana across environments
Tibalink – Digital Health Communication Platform
Developed real-time communication features including peer-to-peer messaging, live consultations, and group chat for Tibalink, a production digital hea...
Key Highlights
- Peer-to-peer messaging and live consultations
- Group chat functionality for care teams
- Low-latency backends for resource-constrained environments
- User testing and UX validation
- Production deployment serving 500+ healthcare workers
Maternal Health Data Platform
Delivered the maternal health application as a Progressive Web App (PWA) using React and Next.js with offline access and background sync, optimized fo...
Key Highlights
- Data collection pipelines with KoboToolbox integration
- DHIS2 health information system interoperability
- Apache Airflow-orchestrated ETL pipelines
- Data quality workflows for validation and standardization
- GDPR and local authority data privacy compliance
- Data anonymization and pseudonymization protocols
- Progressive Web App with offline access and background sync
- Deployed across Nigeria and Sierra Leone
CEMA Epidemiological Analytics Platform
Built an analytics and insights platform for the Centre for Epidemiological Modelling and Analysis (CEMA), University of Nairobi, enabling researchers...
Key Highlights
- Self-service analytics for non-technical stakeholders
- Interactive data visualization tools
- Built for the University of Nairobi's CEMA
- Supports public health research and policy decisions
QBIT Hub Lab – Shared Compute Platform
Led end-to-end development of QBIT Hub Lab, a shared compute platform enabling affordable access to high-performance computing resources across Africa...
Key Highlights
- Affordable access to high-performance computing
- Shared compute resource pooling
- Serving researchers, startups, and organizations across Africa
- End-to-end platform development from concept to production
Flagstar Bank Data Warehouse
Led designing and structuring of Flagstar Bank's data warehouse to consolidate data from multiple source systems into a unified data mart for reportin...
Key Highlights
- Dimensional modeling with star schema and conformed dimensions
- Consolidated multiple source systems into unified data mart
- Centralized business logic in the data layer
- Stakeholder collaboration for reporting requirements
- Expanded analytical coverage with new data source integration