Fractional CTO · Wireless Engineer · Full-Stack Developer
I'm Isaiah Nyalali, an engineer in Dar es Salaam. By day I automate radio-network operations at Huawei. For founders, I step in as a part-time CTO: auditing systems, setting technical direction and building what's missing.
Logos show organisations whose projects or programmes I have worked on as an employee, participant or contractor. They do not imply endorsement.
Selected case files
Own platform · Founder & sole engineer · 2025 —
Storefront, mobile-money checkout, dispatch, inventory, sourcing and SMS/e-mail notifications. One system that replaces WhatsApp orders and paper receipts.
Huawei Technologies · Airtel Tanzania project
One offline-first dashboard for licences and alarms across two iMaster MAE systems. Report turnaround went from hours to minutes.
Fractional CTO
Most early-stage companies don't need a full-time CTO yet. They need someone senior to check what's been built, decide what comes next and keep the engineering honest.
A fixed-scope look under the hood: code, infrastructure, security, data, team. You get a scored report and a 90-day plan.
2–3 weeks · fixed scope
Part-time technical leadership: architecture, roadmap, hiring, vendors and the investor conversation.
Monthly retainer · days per month
From idea to production, or a stalled project brought back on track, with payments and SMS built in.
6–12 weeks · milestone-based
Pricing is on request, scoped after a free 30-minute call.
With a technology audit you will always find something that needs fixing. I'm the person who found it, wrote it down, and knows how to fix it.
— On why every engagement starts with an audit
Your move
Tell me what's going on. Within 30 minutes we'll know whether it needs an audit, a CTO or just a second opinion.