M.
FREN

Available for projects

Douala, Cameroon — Full-stack developer & cybersecurity

David René
METOMO

Full-stack developer

I design and ship complete web applications, from API to interface: a SaaS point-of-sale system, an e-learning platform, business websites. Trained in cybersecurity, I build reliable products that are secure by design.

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Outside Cameroon? Email me: metomo442@gmail.com · CV en français

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David René METOMO — Full-stack developer

Currently

SmartCom360 · Next.js · NestJS · Application security

See the work
Work

Selected
projects

Complete platforms in production, from API to deployment, plus hands-on cybersecurity work.

Preview of SmartCom360

01 — Web

SmartCom360

SaaS point-of-sale and inventory software for shops, supermarkets, pharmacies and restaurants in Cameroon. Fast checkout that keeps working offline, cash, Orange Money and MTN MoMo payments, cash discrepancies tracked per cashier, stock alerts, after-sales service, deliveries, restaurant mode (floor, kitchen, QR menu) and an online catalog with WhatsApp ordering. Multi-tenant platform with modular plans, per-employee roles, a desktop app and a marketing site in three languages.

  • Next.js
  • NestJS
  • Prisma
  • PostgreSQL
  • Redis
  • Tauri
  • Astro
Visit sitesmartcom360.tech
Preview of Forméa

02 — Web

Forméa

Online training platform for livestock farming in Africa. Learner, instructor and admin areas, quizzes, live classes, hosted videos and course import from TutorLMS. AI agents keep the learner community active. Monorepo: Astro marketing site, Next.js app and NestJS API.

  • Next.js
  • NestJS
  • Fastify
  • Prisma
  • PostgreSQL
  • Astro
  • Tailwind
Visit siteformeaonline.com
Preview of One Selecta

03 — Web

One Selecta

Storefront and back office for One Selecta SARL, a bathroom, kitchen, tiling and decor showroom in Douala. Product catalog, orders and leads captured from the site, and a staff dashboard with configurable roles and permissions (admin, stock keeper, sales). A single NestJS API serves the Astro storefront and the Next.js admin.

  • Astro
  • Next.js
  • NestJS
  • Prisma
  • PostgreSQL
Visit siteoneselectasarl.com
AIEditorial Studio

04 — AI

Editorial Studio

AI-assisted tool for writing SEO and GEO articles. Every article follows the same pipeline: web research, source extraction, brief, drafting, enrichment up to a length threshold, then automated quality checks. Deployed on a VPS with Docker, password-protected.

  • Node.js
  • OpenRouter
  • Firecrawl
  • Docker

Archive

Other work

Mobile

EyeSon

Parental control app: temporary media collection and monitoring of children's digital activity.

  • Mobile
All my GitHub
Services

What I can
do for you

From business websites to SaaS platforms, with security built in from day one. Every project starts with a free call to scope your needs.

Business website

A fast, professional website that ranks well, presents your business and brings in client requests.

  • Custom design, mobile-friendly
  • Basic Google SEO included
  • Contact form and WhatsApp button
Request a quote

E-commerce store

An online store to sell your products, with payment methods that suit your customers.

  • Catalog, cart and order tracking
  • Mobile Money, card or WhatsApp ordering
  • Dashboard for stock and sales
Request a quote

SaaS platform

A complete multi-user web application with subscriptions and dashboards, like SmartCom360.

  • Accounts, roles and permissions
  • Subscriptions and modular plans
  • Solid stack: Next.js, NestJS, PostgreSQL
Request a quote

Custom application

A tool built around your processes: internal management, booking, training, automation.

  • Requirements analysis and mockups
  • Web or mobile app
  • Automation and integrations (APIs, n8n)
Request a quote

Security audit

A penetration test of your website or application to find vulnerabilities before attackers do.

  • Authorized penetration testing (OWASP Top 10)
  • Clear report ranked by risk level
  • Recommendations and remediation support
Request a quote

Maintenance & hosting

Your site stays online, up to date and secure, without you having to think about it.

  • Updates and backups
  • Monitoring and quick fixes
  • Hosting, domain name and HTTPS
Request a quote

Have a project in mind?

Describe it in a few lines and I'll get back to you with a tailored proposal, no strings attached.

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Milestones

The journey
at a glance

What I've shipped, what I've earned, and since when.

4

Platforms in production

SaaS point of sale, e-learning, e-commerce, AI tool

Google

Cybersecurity certified

Professional Certificate, 2026

2023

Started the journey

Development and security, ever since

Expertise

What I can do
and what I'm learning

From code to production, with security in mind. The tools below are the ones I use in my projects and labs.

Development

  • PHP / Laravel
  • Python / Django
  • JavaScript / TypeScript
  • React / Next.js
  • NestJS
  • Prisma
  • Spring Boot
  • Astro
  • HTML / CSS / Tailwind
  • SQL · PostgreSQL · MySQL

Deployment & automation

  • Docker
  • Vercel · Coolify · VPS
  • Git · GitHub Actions
  • SEO
  • n8n
  • Generative AI (LLM APIs)

Cybersecurity

  • Linux & Bash
  • Python automation
  • SIEM (Splunk, Chronicle)
  • Network analysis (Wireshark, tcpdump)
  • Intrusion detection (Suricata)
  • Risk management (NIST CSF)
  • Incident response
  • Phishing awareness

Systems

  • Windows Server
  • System administration
  • Networking (TCP/IP)
Message on WhatsAppOther ways to reach me
Contact

Let's talk about
your project

WhatsApp for a quick chat from Cameroon, email for international clients. I answer on both.

Cameroon · WhatsApp+237 656 156 546International · Emailmetomo442@gmail.com

Prefer to write here? The form sends me your message by email.

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