Full-Stack Engineer | Customer Success Leader | Tech Mentor
๐ Nairobi, Kenya ยท ๐ง [email protected] ยท ๐ walterokumu.github.io
Iโm the Head of Customer Success & Web Development at Yellow Pages Group, where I lead a 14-person, multi-country team to deliver scalable web apps and AI-powered automations. I specialize in Next.js, React, Node.js, GraphQL, and PostgreSQL, and Iโm passionate about using technology to solve real-world business challenges.
- Led development of a multi-tenant procurement tool adopted by 50+ branches across East Africa
- Scaled Yellow Pages Kenyaโs Ollama-powered chatbot to serve 10K+ monthly queries
- Built a headless eCommerce platform with integrated M-Pesa checkout, increasing transaction speed by 40%
- Mentor at Microverse: guiding full-stack cohorts in JavaScript, React, and best practices
Project | Description | Repo |
---|---|---|
Procurement Tool | Multi-tenant request management with SSH-tunnel & RLS on Postgres | WalterOkumu/procurement-tool |
Headless eCommerce | Next.js + Headless WordPress store with M-Pesa Express integration | WalterOkumu/headless-ecommerce |
AI Chatbot Workflows | Ollama + LangChain automations for custom LLM pipelines | WalterOkumu/ai-chatbot |
Digital Signage Dashboard | Real-time analytics & content management for Rhodium Digital Signage | WalterOkumu/rhodium-dashboard |
- 2025 Focus: Rust โข Solidity โข Web3 protocols
- Always exploring: AI-driven market research, blockchain for fintech
โI build tools that empower teams to do more, faster.โ