Full-Stack · DevOps · Red Team · Andenne, Belgium
$ whoami --role
I build, deploy and secure web applications end to end.
4+ years across the full cycle: architecture design, backend/frontend development, production Linux server administration and offensive security. A versatile profile, from code to infrastructure all the way to pentesting.
Profile
Full-stack developer & DevOps engineer
Full-stack developer and DevOps engineer with more than 4 years of experience at De Buck Technologies. Expertise spanning the entire development cycle: application architecture design, backend/frontend development, deployment and administration of UNIX/Linux servers in production.
A versatile profile combining development, infrastructure and cybersecurity. A rigorous self-taught engineer. French native speaker, professional English (C1).
Technical skills
From code to production, by way of security
Full-Stack Development
JavaScript/TypeScript (advanced), Python, SQL. Node.js, Express, React, Next.js 14/15, Tailwind CSS. Microservices architecture, REST APIs, third-party integrations (Stripe, Supabase, Brevo). Databases: PostgreSQL, MongoDB, Hasura (GraphQL).
DevOps & Linux Infrastructure
Production server administration (Ubuntu Server, Debian Server, Red Hat 8), bare metal and VPS. Docker & Docker Compose, Nginx, F5. Self-hosted GitLab CE CI/CD. Advanced Bash scripting, systemd, cron, SSL/TLS, server hardening (iptables, ufw), SSH tunnels.
Cybersecurity
Penetration testing on web applications (OWASP Top 10, APIs, authentication). Security audits, OSINT, attack surface assessment. Endpoint hardening, pentest reports (CVSSv3). IAM/SSO with KeyCloak. Monitoring with Prometheus & Grafana.
Experience
Full-Stack Developer & DevOps Engineer
De Buck Technologies, 2021 to present (4+ years). Started on a PFI (Plan Formation-Insertion, Forem).
Development of complete web applications (frontend + backend + REST API), production Linux server administration, CI/CD pipelines and application security. Contributed to delivering solutions for institutional clients: the SPW (Public Service of Wallonia), the WBI (Wallonia-Brussels International) and Cronos.
Achievements
De Buck Technologies infrastructure
Multi-client platform in production
Deployment and maintenance of multi-client production servers. Multi-service Docker architecture: self-hosted GitLab CE, PostgreSQL, Hasura, KeyCloak, Minio (S3), Prometheus/Grafana. 7 microservices across 3 environments (prod, acceptance, dev). F5 load balancer, Nginx reverse proxy.
Security
I pentest my own site
This site ships the security headers I audit for my clients. No empty claim: scan it yourself and check. The best proof of a pentester is their own perimeter.
Contact
Available for new assignments
A project, a role, a mission? Write to me directly: I reply quickly.