Senior Backend Java Engineer
Led migration of 8+ microservices from Clever Cloud to Scaleway Kubernetes, then to Scaleway VPS with Coolify, owning containerization, deployment architecture, and infrastructure strategy. Reduced deployment time by 70% by implementing automated CI/CD pipelines. Optimized Kubernetes resource allocation and autoscaling strategies to improve system stability under load. Wrote unit and integration tests (JUnit, Mockito, Testcontainers) to safeguard service behavior throughout the migration.
Architected OAuth2 authentication and Role-Based Access Control (RBAC) for a production platform serving 10,000+ users, strengthening security and access governance. Reduced API response time by 35% through query optimization and caching strategies. Integrated Stripe payment system handling high transaction volume with secure and reliable processing.
Architected and delivered a centralized OAuth2 authentication platform securing 5+ production applications and processing over 50,000 authentication requests daily. Integrated RabbitMQ for asynchronous communication between the authorization server and connected applications.
Designed and developed backend-driven web platform with server-side rendering, optimizing data fetching and response times. Reduced page load time by 50% through optimized architecture and rendering strategy. Implemented scalable filtering system supporting thousands of listings with efficient query handling.
Built multi-role timesheet platform with role-based access control, automating reporting and scheduling workflows. (6 months)
Developed web tool to generate Kubernetes configuration files, reducing manual errors in deployment setup. (2019)
Developed real-time donation platform using Firebase, enabling processing of 500+ donations with live tracking. (2020)