Java Technical Lead
$56 - $61 per hourCynet 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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