Senior Java Engineer

Senior Engineer / Architect – Data Mediation (Telecom) 6+ Months Data Mediation (Golang, JAVA, Kubernetes, Openshift, Logback/ELK) Serve as a senior engineer or architect for a high throughput telecom data mediation platform Own and evolve carrier grade pipelines that ingest, transform, and route CDRs, UDRs, and event streams Design scalable, fault tolerant mediation architectures including file ingestion, format conversion, SFTP distribution, and downstream delivery Parse and transform binary telecom data formats, including ASN.1 encoded CDRs/UDRs, AMA records, and proprietary carrier formats Build and maintain core mediation services using Java 17+ and Spring Boot (Spring Integration, Batch, Kafka) Contribute to shared platform libraries, starters, and engineering standards Design, deploy, and operate containerized workloads on Kubernetes and OpenShift, owning Helm charts, scaling, and upgrade strategies Design and optimize Oracle schemas and tune SQL/PLSQL for high volume mediation metadata and reporting Apply SRE practices including SLO/SLI definition, incident response, post mortems, and auto remediation Implement production grade observability using logging, tracing, metrics, and alerting (ELK/EFK, OpenTelemetry, Prometheus, Grafana) Profile and optimize JVM performance, Kafka throughput, file I/O pipelines, and database access patterns Debug complex system level issues across OS, JVM, networking, and storage Design and operate Apache Kafka at scale, including partitioning, consumer tuning, and dead letter handling Collaborate with network, OSS/BSS, and downstream teams to drive architectural decisions Mentor engineers and lead design reviews across the platform Apply experience with object storage, large scale file distribution, and telecom mediation workflows Leverage CI/CD and GitOps practices and contribute to reliability patte