Portfolio V2.026

Yohann

Berger

Full-Stack Engineer

Senior engineer. 15 years. Three continents. One obsession: systems that scale and businesses that grow.

DEV. Fast, modern web systems
SEO. Rank higher. Stay there.
GROWTH. Right audience, right time.

ABOUT

  • Based in Brisbane, AU
  • Experience 15+ YRS
  • Previously Canberra · Chicago · Hamburg · Lyon

CERTIFICATIONS

  • Google Cybersecurity Pro Certified
  • CompTIA Security+ Certified
  • CompTIA PenTest+ In Progress
  • CompTIA Network+ Next

XP

5 roles across 4 countries


Brisbane & Canberra, AU map
01
2022 — Present Brisbane & Canberra, AU

Senior Full-Stack Engineer

Delivering enterprise web transformation at Australia's top university within the core engineering team. Specialized in large-scale Drupal migrations, automated CI/CD pipelines, and security hardening for 3,000+ subdomains. Successfully realized 59% in hosting cost savings through strategic platform restructuring.

Drupal 10PHPPythonGitLab CI/CDSecuritySEO
Now
Canberra, Australia map
02
2020 — 2022 Canberra, Australia

Founder & Lead Consultant, CBR Digital

Independent digital consultancy specializing in end-to-end web solutions and performance marketing. Delivered custom WordPress architectures optimized for Core Web Vitals, implemented technical SEO strategies, and managed marketing campaigns that increased client conversion rates.

WordPressPHPSEOGoogle AdsGCPOpenLiteSpeed
Chicago, USA map
03
2017 — 2019 Chicago, USA

Web Developer & SEO Specialist

Managed enterprise web properties for legal service provider Stretto. Spearheaded a site-wide redesign using PWA technology and Salesforce (Pardot) integration, resulting in 10+ keyword ranking improvements and a 90% increase in organic traffic within six months.

WordPressPHPSEOPWASalesforceBootstrap
Hamburg, Germany map
04
2013 — 2017 Hamburg, Germany

Full-Stack Developer

Built highly adaptive, scalable systems for global entertainment media brands at MindGeek. Managed environments serving 100M+ daily visitors and 3B+ ad impressions. Orchestrated complex i18n initiatives and conversion funnel A/B testing within a high-concurrency Zend/PHP framework environment.

PHP (Zend)RedisElasticsearchjQueryi18nScrum
Lyon, France map
05
2010 — 2013 Lyon, France

Software Engineer

Built the foundation of my engineering career in Lyon. Delivered EHS and Risk Management software for worldwide chemical leaders at Axoone, and managed mission-critical web maintenance for M6 Mobile. Specialized in Zend/PHP development, rigorous non-regression testing, and enterprise system integration.

PHP (Zend)MySQLHP QCUnit TestingEnterprise Integration

PRJ

4 featured projects

UniSphere
01

UniSphere

Next.js 15PostgreSQLPythonRedisCelery

A self-hosted platform for discovering, monitoring, and governing web assets at scale. Combining asset inventory, intelligent crawling, and lifecycle management in a single system.

IN DEVELOPMENT /
CyberQuizzer
02

CyberQuizzer

Next.js 14SQLite

An interactive learning platform for cybersecurity training. Built to facilitate certification preparation for CompTIA Security+, CISSP, and CISM through structured quiz modules and continuous practice.

VIEW PROJECT
Check Redirects Online
03

Check Redirects Online

React 19Edge EngineTailwind CSS

Advanced HTTP protocol analyzer and debugging tool. Debug HTTP redirects, analyze headers, and uncover client-side meta-refreshes and JS redirects with professional-grade precision.

VIEW PROJECT
SoundBoard Engine
04

SoundBoard Engine

Next.js 16MotionTurborepo

A high-performance soundboard engine platform with reactive drag-and-drop UI and low-latency audio delivery, optimized for low-bandwidth mobile environments and multi-brand deployments.

VIEW PROJECT

"Motivation is what gets you started.
Habit is what keeps you going."

Senior Discipline — Since 2010