Must-have
Full-stack Development: Strong experience with Java, JavaScript, Spring Boot, React and [protected info]
Backend Development: Experience with REST APIs, microservices, enterprise applications and distributed systems.
Integration &
Messaging: Experience with Kafka, event-driven architecture and system/API integration.
Cloud &
DevOps: Hands-on experience with Kubernetes, Docker, GCP/AWS, Helm and CI/CD.
Database &
Data: Good experience with SQL/Oracle, database design, migration and data troubleshooting.
Security &
Authentication: Understanding of OAuth2, JWT, Keycloak, LDAP, SSL/TLS and secrets management.
Troubleshooting &
Architecture: Strong ability to debug complex production issues, perform root-cause analysis and understand end-to-end system architecture.
Excellence Communication skill and ownership
Nice-to-have
Experience with Elasticsearch, Prometheus/Grafana or other monitoring/logging platforms.
Experience with OSGi, Karaf, Vaadin, Apache Camel/ESB or other enterprise/legacy Java technologies.
Experience with IoT / Telecom / eSIM / eUICC platforms
Experience with cloud migration / on-premise to cloud migration.
Experience with performance, scalability and cost optimization.
Experience working in Agile/Scrum and cross-functional teams.
Ability to work with legacy systems while contributing to modernization and migration initiatives.
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