Java Architect
Job ID : 83010-1Job Title : Java ArchitectLocation : Irving, Tx - 100% onsiteDuration : 6 months + possible extensionRate Range: $45 - $49/hour on W2 (All inclusive)Note: Applicants must be willing to work on W2 only.Role DescriptionRequired Qualifications10+ years of software engineering experience, with 5+ years in telecom or carrier-grade OSS/BSS platforms.Deep expertise in Java 17 and Spring Boot ecosystem (Spring Integration, Spring Kafka, Spring Batch).Hands-on experience with ASN.1 decoding, AMA record parsing, binary CDR/UDR formats (3GPP, ANSI), and byte-stream manipulation.Strong Kubernetes and OpenShift skills including Helm, resource policies, stateful workloads, network policies, and operator patterns.Proficient in Oracle SQL and PL/SQL schema design, indexing strategies, partitioning, and explain plans.SRE mindset including SLO/SLI definition, on-call discipline, chaos engineering fundamentals, and capacity planning.Experience building production-grade observability using Prometheus, Grafana, OpenTelemetry, ELK/EFK, and alerting pipelines.Demonstrated ability to debug and resolve issues at the system level including OS, JVM, network, file descriptor limits, GC pressure, and thread contention.Experience with Apache Kafka at scale including partition strategy, consumer group tuning, offset management, and dead-letter handling.System Architecture DesignLead the design of scalable and fault-tolerant mediation components including file ingestion, format conversion, SFTP distribution, event monitoring, and downstream delivery pipelines.Binary Protocol & Telecom Data ExpertiseParse, decode, and transform binary telecom data formats including ASN.1-encoded CDRs, UDRs, AMA (Automatic Message Accounting) records, and proprietary carrier formats at the byte-stream level.Java & Spring Boot DevelopmentBuild and maintain core mediation services using Java 17 and Spring Boot (Spring Integration, Spring Batch, Spring Kafka).Contribute to shared starters and reusable platform libraries.Kubernetes & OpenShift OperationsDesign and deploy containerized workloads on OpenShift and Kubernetes.Own Helm chart definitions, resource tuning, PVC strategies, horizontal scaling, and rolling upgrade policies.Oracle DatabaseDesign and optimize schemas for high-volume mediation metadata, reconciliation state, and audit trails.Write and tune complex SQL for operational reporting.Site Reliability Engineering (SRE)Define and enforce SLOs and SLIs.Lead incident response, drive post-mortems, and implement error budgets and auto-remediation patterns into the platform.Advanced Observability & MonitoringBuild deep observability into the platform including:Structured logging (Logback, ELK)Distributed tracing (OpenTelemetry, Jaeger)Metrics (Micrometer, Prometheus, Grafana)Alerting strategies for carrier-grade availabilityPerformance & Reliability EngineeringProfile and optimize JVM performance, Kafka consumer throughput, file IO pipelines, and database query patterns.Establish benchmarks and regression gates.Cross-Team Technical LeadershipDrive architectural decisions, conduct design reviews, mentor engineers, and collaborate with network, OSS/BSS, and downstream consumer teams.Company Benefits & CultureInclusive and diverse work environmentOpportunities for professional growth and developmentComprehensive health and wellness benefits