Java Backed Developer

Deltaclass Technology Solutions Limited โ€” United Kingdom ยท Posted ~21 hours ago

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Description

Java 17: Functional programming features, records, sealed classes, performance considerations. Spring Boot: Auto-configuration, profiles, Spring Data/JPA, WebFlux (nice), validation, actuator. SQL & RDBMS: Schema design, indexes, query optimization, transactions, isolation levels. Apache Kafka: Topic design, partitioning strategy, consumer groups, offsets, retries/DLQ, schema registry/Avro/Protobuf. GCP: Familiarity with Cloud Run or GKE, Cloud SQL, Cloud Storage, Secret Manager, IAM, VPC; cost/perf trade-offs. DevOps Tooling: Git, CI/CD (Jenkins/GitHub Actions/GitLab), Docker; Kubernetes fundamentals; IaC awareness. Software Engineering Fundamentals: DDD concepts, SOLID, testing (unit/integration), performance profiling, and security basics (OAuth2/JWT, OWASP