Johan Mickaël Rakotoniaina

Architecture & backend

• Built and shipped new features in Symfony and Vue.js, with PHP (migrated 7.4 → 8.1) and MariaDB, inside a DDD/CQRS-oriented hexagonal architecture
• Introduced asynchronous processing via RabbitMQ to improve system scalability and resilience
• Integrated and consumed third-party APIs with error handling, secured exchanges, and retry mechanisms
• Led the graphical overhaul of several pages, migrating from PHTML to Twig, then to a Vue.js SPA

Quality & reliability

• Diagnosed and resolved production issues in collaboration with the Customer Success team
• Handled and resolved urgent production incidents (hotfixes)
• Filed bug tickets or clarified product tickets whenever an issue was spotted
• Wrote custom SQL scripts or PHP commands, case by case, to unblock the site in specific situations
• Set up unit and functional tests with PHPUnit, Cypress, and Vitest, improving release reliability
• Reviewed and approved code through cross-reviews on GitLab

Delivery & documentation

• Contributed to continuous deployment (CI/CD) with Jenkins and GitLab CI, shipping to production multiple times a day
• Wrote technical documentation (API, modules, business rules)

Process & mentorship

• Estimated and broke down tasks in an Agile (sprint) methodology, identifying technical risks
• Onboarded and mentored new developers on the architecture and best practices
• Practiced pair programming with teammates