Product Engineer & Frontend Developer. Eradicating cognitive friction, shipping performant and resilient interfaces (React, Next.js, Tailwind), and maximizing conversion through behavioral data (Clarity, GA4, SEO). Available for remote roles & contracts.
10 months fieldwork with Gozem
Thousands of direct dialogues with merchants, corporate leaders, and Beninese citizens.
Mobile Money in production
Local payment webhooks (Mobile Money FCFA: MTN, Moov, Wave) with verified multi-tenant security.
Designed & Built
Field research, interaction design, and production engineering in a single practitioner.
Public UX Laboratory
Every experience decision is anchored in cognitive psychology and measured live.
Each case demonstrates a concrete behavioral challenge, the resulting design choices, and real metrics.
UX Designer & Frontend Developer · White devs Agency · Suite Logicielle SaaS
Engineered to eliminate vertical list cognitive fatigue: panoramic horizontal canvas with natural inertia, real-time sync (Kanban, Gantt, Calendar), and smooth team management.
Product & Frontend Engineer · White devs Agency · Plateforme SaaS
Tailored for African SMBs and creators. Built with native local payments (Mobile Money FCFA) and omnichannel publishing workflows.
Product Engineer · Frontend & Mobile · Paroisse Sainte Joséphine Bakhita (Diocèse de Cotonou)
Built with a mobile-first architecture for spotty connectivity and entry-level phones: thumb-first navigation, offline support, lightweight bundle, direct alerts, and native Android packaging via Capacitor.
Product & Frontend Engineer · White devs Agency · Suite Logicielle CRM
Built with Next.js 15, React 19, Tailwind CSS, strict Atomic Design, Glassmorphism, GSAP animations, and native PWA. Features a 5-stage sales pipeline with real-time weighted forecasting, 360° contact inspection drawer, account directory, and unified White Devs SSO on Neon PostgreSQL.
Product Engineer & Frontend Developer · Behavioral UX Engeneering · Client International (Belgique)
End-to-end delivery for Belgian academic platform memoire-tfe.be: UX scoping with low-fidelity zoning, interactive clickable Figma prototype, bespoke WordPress theme engineering (homepage, blog, legal GDPR compliance, cookie consent), and production deployment.
Desktop Software Developer · Librairies & Papeteries Scolaires
Windows desktop POS engineered for school supply stores: catalog inventory, rapid FCFA change calculator, and thermal receipt printing.
Shopify & Backend Engineer · Client E-Commerce
Engineered a Shopify integration bridging merchant stores with third-party inventory and order management systems.
Five systematic stages where digital experience architecture remains transparent and verifiable.
Direct field immersion, contextual interviews, and genuine behavioral observation in Cotonou.
Mapping cognitive friction, core motivations, and trust-building decision drivers.
Information architecture, streamlined checkout pathways, and user-tested prototypes.
Modern web or mobile engineering, secure Mobile Money integration, and reliable rollout.
4G mobile benchmark testing, completion rates, behavioral feedback, and continuous tuning.
Over 4 years of web engineering, design systems craft, and production SaaS delivery.
Digital product engineering and behavioral tracking to eliminate user friction and maximize conversion rates (Project: memoiretfe.be).
Intensive ground-level immersion engaging people from varied walks of life, building deep observational intuition for human behavior, local economic friction, and digital adoption.
Pixel-perfect interface integration and complex feature engineering for production SaaS platforms (KanbanEX, FlowEX, Bunny Management, Mangaverse).
Pixel-perfect e-commerce mockups integration and custom Shopify applications development with Remix.
Frontend web development for the initial release of the Yemi Service Progressive Web Application (PWA).
Technical lab assistance, hackathon team mentoring (Project Qameleo), and urban air quality sensor maintenance.
Everything hiring leads, founders, and product teams evaluate before kicking off an engineering partnership.
A Product Engineer goes far beyond translating Figma designs into code: they bridge deep user research (human psychology, field insights, ergonomics), software craftsmanship (Next.js 15, React 19, TypeScript), and measurable business revenue. As a Product Engineer, I observe authentic user behavior, eliminate cognitive friction, build resilient systems, and optimize conversions through telemetry (Microsoft Clarity, GA4, SEO).
Describe your product and context. I will respond with an initial analysis, no strings attached.
Open to Product Engineer, Frontend Developer, or UX Engineer positions (Full-time, Contract, or Freelance), on-site in Cotonou or remote. Ready to design, prototype, and build resilient, production-ready web platforms.