Ian Warutere

Technical Innovation & Architecture:

Enterprise Multi-Tenant Development & Monitoring System

Architected and developed a comprehensive enterprise M&E dashboard platform for ICS Africa's international development programs across Kenya, Tanzania, and Côte d'Ivoire, serving 6+ concurrent projects with 200+ users and $2M+ in project budgets, enabling data-driven planning, monitoring, and reporting across outcomes, activities, KPIs, finance, and media.

Organizational discovery and co-design:

• Led stakeholder interviews and workshops across program, M&E, and finance teams to map governance, data flows, reporting cycles, and KPI taxonomies.
• Translated organizational objectives into data models and role hierarchies; harmonized cross-country indicators and reporting standards.
• Defined end-to-end workflows (data capture → validation → aggregation → reporting) and de-risked delivery through iterative prototyping.

Technical Implementation:

• Multi-Tenant Microservices Architecture: Built scalable NestJS backend with PostgreSQL + TimescaleDB for time-series analytics, supporting hierarchical project isolation and cross-regional data aggregation
• Advanced Authentication System: Implemented custom hierarchical RBAC with 6-level role hierarchy (Global Admin → Project Officers), featuring JWT-based session management, permission guards, and project-scoped authorization
• Dynamic Form Engine: Created runtime form builder with conditional logic, multi-activity linking, KPI integration, and automated database schema generation using Prisma ORM
• Real-Time Analytics Platform: Developed comprehensive KPI tracking system with interactive dashboards, financial reporting, outcome monitoring, and automated data visualization using Recharts and MUI X-Charts
• Modern React Architecture: Built responsive SPA with TypeScript, React Router v7, and context-based state management
• Advanced UI/UX: Implemented Radix UI component library with Tailwind CSS, featuring drag-and-drop interfaces, real-time notifications, and progressive web app capabilities
• Real-Time Analytics Platform: Developed comprehensive KPI tracking system with interactive dashboards, financial reporting, outcome monitoring, and automated data visualization using Recharts and MUI X-Charts
• Data Visualization: Created interactive maps with Leaflet, dynamic charts, and exportable reports with PDF generation

Capacity building and adoption:

• Designed and delivered hands-on training for field officers, project coordinators, and M&E teams on form design, data quality, dashboards, and reporting.
• Produced SOPs, quick-start guides, and train-the-trainer materials; established feedback loops to continually refine UX and data structures.
• Drove successful rollout with measurable improvements in data timeliness and a significant reduction in manual reporting effort.

DevOps & Infrastructure:

Containerized Deployment: Multi-stage Docker builds with health checks, automated CI/CD pipelines, and production-ready container orchestration

Database Optimization: Implemented TimescaleDB for time-series data, automated migrations, and comprehensive seeding system for operational data

Security Implementation: CORS configuration, input validation, rate limiting, Helmet security headers, and secure file upload handling

Tech Stack:

Backend: NestJS, TypeScript, PostgreSQL + TimescaleDB, Prisma ORM, JWT Authentication, Docker, Swagger/OpenAPI

Frontend: React 18, TypeScript, Vite, Tailwind CSS, Radix UI, React Hook Form, Recharts, Leaflet Maps

DevOps: Docker, Docker Compose, Multi-stage builds, Health checks, Automated testing

Impact: Streamlined project monitoring across 3 countries, automated reporting workflows, and enabled data-driven decision making for international development programs with 85% reduction in manual reporting time.

Developed a comprehensive coffee investment platform with integrated content management system, enabling users to invest in coffee plantations while providing administrators with dynamic content control.

Technical Innovation:

Advanced CMS Architecture: Built React-based headless CMS with real-time content synchronization, dynamic form generation, and multi-media asset management Interactive Data Visualization: Integrated Gainforest mapping with GPS-tagged coffee trees, live weather data, and AI-powered yield forecasting Responsive Design System: Implemented mobile-first architecture for optimal mobile viewing Investment Calculator: Developed dynamic ROI calculation engine with real-time market data integration Content Management: Created dynamic form fields for projects, blogs, partnerships, and investment plans with Cloudinary media integration

Smart Contract Architecture:

• Diamond Pattern Implementation (EIP-2535): Built modular, upgradeable smart contract system with 10+ specialized facets for farm management, yield distribution, and bond operations
• Multi-Tranche ERC4626 Vault System: Pioneered farm-as-tranche architecture where each coffee farm operates as independent investment tranche with custom share tokens and yield distribution
• Asset-Backed Bond System: Developed sophisticated collateral management system using coffee trees as backing (4 MBT per tree), with dynamic valuation and liquidation triggers

Tech Stack

• Blockchain: Scroll zkEVM (L2), Solidity ^0.8.20, Hardhat, OpenZeppelin contracts
• Frontend: Next.js 15, React 19, TypeScript, Tailwind CSS, Wagmi/viem for Web3 integration
• CMS & Backend: Custom React CMS, Supabase (PostgreSQL, Auth, Real-time), Cloudinary media optimization
• Maps & Data: Gainforest API integration, GPS tracking, environmental data processing
• Deployment: Vercel with CDN optimization, multi-network smart contract deployment

Business Impact:

• Target Market: Global coffee investment market with $10M+ TVL potential
• User Base: Designed for 1000+ active farmers and unlimited investors
• Revenue Model: Automated yield distribution with transparent fee structure
• Content Management: Streamlined content workflows supporting multiple investment projects with real-time data visualization

Streamlined coffee investment process, reduced content management overhead by 70%, and created scalable platform supporting multiple investment projects with real-time data visualization.

• Spearheaded the design, development and optimization of the Tivobet platform.
• Implemented caching solutions using Redis for improved performance.
• Integrated RabbitMQ and Redis as messaging solutions for transaction processing.

Betting App Development:

• Developed Express js APIs for the betting site handling payments to and from the site, transactions, sportsbook odds, virtual games and casino games.
• Implemented a websockets architecture for live feeds and real-time communication, enhancing user engagement and retainment.
• Integrated authentication & authorization mechanisms for secure user access and transactions using jwt, oauth and role-based access.
• Integrated casino mini games to drive user engagement, using Typescript, nodejs, RabbitMQ, Redis Cache, webhooks to process events.
• Built football tournament minigames to drive user engagement using a round-robin scheduler algorithm.

Wallet Development:

• Built ERC-4626-based vaults in solidity for the casino to ensure safe deposits and withdrawals for crypto users.
• Built ERC-4337-based smart contract wallets in solidity for users for a seamless, secure crypto solution.
• Architected and built a secure non-custodial wallet using ethers.js for users to deposit to, stake with and withdraw funds from for both fiat and crypto. (Typescript, nodejs, mongodb, webhooks)
• Integrated payment gateway APIs for fast, secure user deposits and withdrawals currencies to process more than 2000 transactions a day.(Typescript, rabbitMQ, webhooks)

DevOps:

• Used dockerized microservices, Redis, RabbitMQ and kubernetes' container orchestration for dynamic scaling of the backend services(auth, bets, wallet, partner webhooks, streaming API) to handle more than 50 000 requests a day with low latency.
• Implemented Ansible to automate provisioning and configuration management, for consistent and scalable environments.
• Integrated Ansible into the CI/CD pipeline to automate the deployment process.
• Implemented the ELK stack for centralized log management, improving visibility of the system and application performance.
• Developed the API gateway for the microservices for low latency service discovery.(Typescript, RabbitMQ Message Queues)

• Designed and developed an early-warning system for climate resilience, integrating real-time and historical satellite data with geospatial analytics.
• Implemented a scalable backend using Node.js and PostGIS, enabling high-performance spatial queries for monitoring environmental changes.
• Integrated Google Earth Engine (GEE) to process and analyze satellite imagery, enhancing climate forecasting capabilities.
• Built a dynamic geospatial frontend with React and Leaflet.js, allowing users to visualize climate risk zones and environmental data interactively.
• Developed a robust authentication and role-based access control (RBAC) system, ensuring secure multi-tier access to the platform based on user privileges.
• Optimized database performance, leveraging PostGIS spatial indexing and query tuning to handle large geospatial datasets efficiently.
• Implemented API endpoints for data ingestion, processing, and retrieval, enabling seamless integration with external climate monitoring systems.
• Deployed and maintained the system on cloud infrastructure, ensuring high availability and scalability.

Tech Stack: Node.js, React, PostGIS, Leaflet.js, Google Earth Engine, Satellite Data Processing, Role-Based Access Control (RBAC), Cloud Deployment

• Revamp the Betfuse system to handle scaling for the more than 1 million Betfuse app users
• Create a live streaming architecture for match data for the users with low latency.
• Create a predictive analytics engine for match stats to drive user engagement
• Create trivia mini games with ERC20 token rewards linked to user profiles

Analytics:

• Created an analytics engine for live matches using kafka streams, python and golang to derive insights for users on the platform.

Streaming API:

• Used websockets, typescript and nodejs to create a streaming service for insights and match data for the mobile app.

• Developed a Customer Loyalty Program PaaS for different brands, with loyalty points issued as tokens on NEAR Blockchain.

PoS System Development:

• Developed a web-based POS system for small businesses to integrate at a lower cost than on-prem POS systems.
• Developed the POS API in Express JS for easy integration with the front end.
• Integrated authentication & authorization mechanisms for secure admin access and transactions using jwt, and role-based access.
• Developed the accounting module to enable business owners assess business performance and generate financial statements.
• Integrated payment gateway APIs for robust checkout options using webhooks, and RabbitMQ to process transactions.

User Wallet:

• Used typescript, postgresql and node js to develop a secure user wallet for both crypto and fiat currency.
• Created user wallets on the NEAR chain to receive and transact the loyalty tokens.
• Developed a QR code payment option for an improved user experience at checkout.
• Integrated various payment gateway APIs for seamless wallet deposits.

Smart Contract Development:

• Developed scalable, secure smart contracts in rust for the brands' loyalty tokens.
• Developed the tokenomics for the loyalty program.
• Developed the smart contract for the GEMA token in rust.
• Created the swap protocol for the loyalty tokens, with tokens swappable for another brand's tokens, and pegged on the GEMA token.

• Developed database models for NFT's on the CHIA blockchain
• Developed scripts to convert CSV file data to iterable objects and JSON format to be passed to CHIA
• Developed an expressJS server for running the script