Raja Mohamed

> Designed and developed robust, scalable backend services using Java 11+, Spring Boot, Gradle/Maven, and Python scripting > Delivered critical business applications within a microservices architecture using PostgreSQL, Cassandra NoSQL, and Oracle > Converted complex business requirements into modular, maintainable solution designs and technical architectures > Led CI/CD implementation and optimization using GitLab, Jenkins, SonarQube, and Docker > Developed and deployed cloud-native solutions on AWS (EC2, S3) and Kubernetes > Integrated key platform services: Kafka (MKS Cluster), Keycloak, Vault, Debezium, Snowflake, and PostgreSQL connectors > Applied modern engineering practices including Domain-Driven Design (DDD), Software Craftsmanship, and security by design > Integrated fine-grained role management using OpenFGA; developed role configuration UI with React > Actively contributed to technical governance: code reviews, architecture discussions, software quality, and continuous improvement > Provided technical leadership and mentoring to junior developers; participated in knowledge sharing and onboarding > Authored technical documentation and supported QA teams during functional, integration, and load testing phases

3DSwym, Social network for businesses allowing employees to share ideas and collaborate on projects. > Collected and analyzed requirements and functional specifications > Designed technical specifications, conducted feasibility studies, wrote documentations > Developed and integrated new features (licensing, notifications, real-time messaging, statistics…) > Performed unit / functional testing and continuous integration > Contributed to the continuous maintenance, optimization, and performance improvement > Collaborated with other teams to design shared modules > Participated in meetings and follow-up of projects

> Team providing the technological solutions for customers and group employees (human resources, support, accounting and finance…) with Agile methodology > Implemented Web Services (status of the infrastructure and services, maintenance alerts, incidents report)