KOKOU
DENYO

• Subject built an AI job-matching system: swipe, compatibility scores, conversational assistant, real-time messaging.
• Grafted a full HRIS module — contracts, leave, payroll, time tracking — onto a consumer app without either use contradicting the other.
• 50,000+ downloads across 16 countries. Around 700 sign-ins a day pass through his interfaces.

VERIFIED

Equipment: Flutter · AI · Stream Chat

• Dashboard, recommended roles, AI-assisted CV builder.
• Rebuilt the design system from underneath, then wired the result into Vitest and Playwright so the rebuild could not quietly regress.

Equipment: Nuxt 3 · Vue · AWS Amplify

• AI screening of applications, multi-step job posting flow, kanban talent pipeline.
• Multi-tenant architecture: every company sealed off from the others, on a single database.

Equipment: Next.js · React · Multi-tenant

• Audit logs, email system, notification workflows.
• Full interface rebuild of a product its users open every day, with no service interruption.

Equipment: Next.js · Novu

• Ran solo end to end: V2 drawn in Figma, built for iOS and Android, shipped to both stores.
• The "Smart Swap" feature pairs items using Gemini.
• 5,000+ active users.

Equipment: Flutter · Gemini · Figma

• Events platform built from nothing: Mobile Money ticketing, real-time chat, geolocation.
• Encrypted the ticket QR codes and had ML Kit scan them at the door. The forgeries stopped.
• 17,300 events ticketed across 5 countries.

Equipment: Flutter · Mobile Money · ML Kit

• V2 rebuild carried from Figma through to the stores, for an installed base of 15,000 users.
• The Gemini recommendation engine dropped customer acquisition cost by 40%.

Equipment: Flutter · Gemini