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Java Technical Lead

$56 - $61 per hour

Cynet Systems

Job Title

Pay Range: $56hr - $61hr

Requirement/Must Have:
  • Java Development – 10+ years.
  • Spring Boot & Microservices – 8+ years.
  • REST API Development – 8+ years.
  • AWS Cloud (S3, IAM, Security Fundamentals) – 6+ years.
  • AWS Glue (Jobs, Crawlers, Workflows) – 4+ years.
  • ELT/Data Ingestion Pipelines – 4+ years.
  • Apache Iceberg (Schema Evolution, Partitioning, Compaction) – 2+ years.
  • Oracle Database / Aurora MySQL – 8+ years.
  • MongoDB – 3+ years.
  • CI/CD, Git, Maven/Gradle, Automated Testing – 5+ years.
  • Technical Leadership (Architecture, Code Reviews, Mentoring) – 3+ years.
  • Production Support & Troubleshooting – 5+ years.
Responsibilities:
  • Lead the design and development of microservices and REST APIs using Java and Spring Boot.
  • Define API contracts, implement business logic, validations, standardized error handling, and logging.
  • Apply resiliency patterns (timeouts, retries, circuit breakers, idempotency) and drive performance improvements.
  • Conduct code reviews, enforce engineering standards, and mentor team members.
  • Build and operate services on AWS, following security and operational standards (IAM basics, networking awareness, observability).
  • Support CI/CD, release activities, and production troubleshooting.
  • Design and optimize data access with Oracle Aurora MySQL and MongoDB.
  • Perform query tuning/indexing guidance and improve service performance and reliability.
  • Work with file and table-based data in Amazon S3 (folder/partition design, access controls, encryption, lifecycle).
  • Support ELT pipelines using AWS Glue (jobs, crawlers, workflows) for ingestion, transformation, and standardization.
  • Design and work with Apache Iceberg tables (schema evolution, partitioning, table properties, compaction/maintenance patterns).
  • Collaborate with data engineering and analytics teams to enable consumption via Athena/Glue Data Catalog (and related query engines).
  • Troubleshoot data pipeline issues (permissions, catalog/table visibility, schema mismatches, performance bottlenecks).
  • Integrate services with existing ML inference endpoints; validate payloads and handle model-driven response patterns.
  • Support controlled rollouts for model-dependent features in coordination with ML teams.
Nice to Have:
  • Athena optimization experience (partition pruning, Iceberg maintenance/compaction strategy).
  • Kafka/event streaming.
  • Docker/Kubernetes (EKS) or ECS.
  • Observability tools: CloudWatch, Client /ELK, Prometheus/Grafana, OpenTelemetry.
  • Python for scripting/automation.
  • Security: OAuth2/OIDC, JWT, OWASP, Secrets Manager/Parameter Store.
  • Infrastructure as Code: Terraform/CloudFormation.
Qualification And Education:
  • Strong experience in Java and Spring Boot building production APIs/microservices.
  • Strong AWS experience including S3 and security fundamentals (IAM, encryption, least privilege).
  • Hands-on experience with AWS Glue and ELT/data ingestion patterns.
  • Working knowledge of Apache Iceberg tables (or strong experience with lakehouse table formats).
  • Strong database experience with Oracle/Aurora MySQL, plus knowledge of MongoDB.
  • Experience with CI/CD, Git, Maven/Gradle, and automated testing.
  • Strong troubleshooting and communication skills; ability to lead design discussions.
Vacancy posted 3 days ago
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