• Design, build, enhance, and own Java 21 and Spring Boot 3.x microservices
• Develop REST APIs and services supporting call treatment orchestration, brand data, analytics, and billing
• Apply hexagonal architecture to isolate business logic from infrastructure through ports and adapters
• Build event-driven services using Apache Kafka for event streaming and asynchronous processing
• Work with PostgreSQL, Redis, and MinIO or other S3-compatible object storage
• Design cloud-agnostic, multi-tenant services for deployment across public cloud and on-premises environments
• Containerize and deploy services using Docker and Kubernetes
• Implement secure integrations using modern identity, access management, secrets management, and transport-security practices
• Build observable services using modern monitoring, structured logging, dashboards, and distributed tracing tools
• Contribute to CI/CD pipelines, technical design decisions, testing, troubleshooting, and production support
• Collaborate with distributed engineering teams to deliver reliable, maintainable, carrier-grade solutions

Must-have:

• 3+ years of professional Java development experience using Java 11 or later; Java 17 or 21 preferred
• Hands-on experience with Spring Boot 3.x, including Web, Data JPA, and Security
• Experience designing and implementing REST APIs
• Experience with PostgreSQL and/or Redis
• Experience using Git; Bitbucket experience preferred
• Foundational experience with Docker and Kubernetes
• Understanding of microservice architecture and modern backend design principles
• Experience designing, building, testing, deploying, and supporting production services
• Strong problem-solving and communication skills
• Ability to work effectively in a collaborative, distributed environment
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