Jobs → Engineering → Java Backend Developer

About the Role We are looking for a strong Java Backend Developer with expertise in enterprise microservices, APIs, and distributed systems for the Netcracker Platform. Key Responsibilities • Design and implement RESTful APIs • Develop enterprise microservices • Work with distributed systems and event-driven architecture • Collaborate with the product team on technical requirements Requirements • Minimum of 10+ years of experience with Java • Expertise in Java 11/17+, Spring Boot, Spring Data, and Spring Security • Strong understanding of microservices architecture and REST API development • Experience with OpenAPI / Swagger and API contract design • Knowledge of Kafka and RabbitMQ • Familiarity with Drools or an equivalent business rules engine • Experience with Redis, Oracle SQL/PL/SQL, and MongoDB • Proficiency in JUnit 5, Mockito, Testcontainers, and contract testing • Experience with Docker, Kubernetes, and CI/CD pipelines • Knowledge of AWS: EKS, S3, SQS/SNS, RDS, IAM, and CloudWatch • Understanding of OAuth2/OIDC, JWT, OWASP Top 10, and secure coding • Experience with Git, GitLab, Maven/Gradle, Jira, and Agile • Familiarity with Claude Code or Claude API for AI-assisted development Preferred • Prior T-Mobile (TMO) experience or telecom domain experience • Experience with Netcracker, Amdocs, TIBCO, telecom wholesale, MVNO, subscription management, billing, provisioning, Avro/Protobuf, Schema Registry, Helm, Terraform, and observability tools