Toravel Mobile App

• Contributed as a backend developer to a B2B SaaS billing platform built with Java, Spring Boot microservices, using PostgreSQL, Redis, RabbitMQ, Elasticsearch, Kibana, Docker, Kubernetes, and Eureka Server. • Worked primarily on backend development within the telecommunications billing domain, where billing runs for millions of customers. • Took part in deployment and CI/CD pipelines with Jenkins, Nexus, and ArgoCD.