Sacha B.

Senior Full Stack Developer with 9+ years specializing in legacy system modernization, Domain-Driven Design, and microservices architecture. Proven track record transforming monolithic applications into scalable, well-tested systems while maintaining production stability.

🏆 SIGNATURE ACHIEVEMENT:

Led team of 3 engineers in complete architectural transformation - migrated Phalcon 3 monolith to Symfony 6 microservices with DDD, serving 10,000+ daily users with ZERO downtime during 8-month project.

🎯 RECENT HIGHLIGHTS:

• Transformed monolithic architecture to microservices (40% scalability improvement)
• Increased test coverage from 15% to 75%, reducing production bugs by 60%
• Led 7-developer team through payment system migration (30% downtime reduction)
• Built ETL pipeline improving data accuracy by 20% 💻 TECHNICAL EXPERTISE: Backend: PHP (Symfony 2.x-6.x, Laravel, Phalcon), Node.js, Microservices Frontend: TypeScript, JavaScript, Vue.js (Composition API), React Architecture: Domain-Driven Design (DDD), Clean Architecture, SOLID Testing: PHPUnit, Behat, TDD - Strong advocate for comprehensive testing DevOps: Docker, GitLab CI/CD, GitHub Actions, Zero-downtime deployments Databases: MySQL, PostgreSQL - Design and optimization

🔑 WHAT SETS ME APART: I don't just write code that works today - I build systems teams can confidently maintain and evolve for years. Testing isn't optional for me; it's how I ensure quality. I've turned chaotic legacy codebases into clean, documented architectures that actually scale.

📍 AVAILABILITY:

• Full-time availability (30-40 hours/week)
• Timezone: CET/CEST (excellent EU overlap, flexible for US collaboration)
• Remote-first, experienced with distributed teams
• Can start: Immediate to 2 weeks Looking for: Long-term partnerships (6+ months) with teams that value code quality, testing practices, and sustainable engineering over quick hacks.