Sonatus

Staff Cloud Backend Engineer (Database)

Sonatus
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16 days ago
Dublin, Ireland or Kraków, PolandStaff+

Responsibilities

  • Lead the architecture and design of scalable, high-performance time-series, OLAP, and OLTP database solutions.
  • Evaluate and implement SQL and NoSQL technologies, including data models, complex queries, stored procedures, indexing, and performance optimization.
  • Manage high-frequency time-series ingestion, query processing, partitioning, sharding, replication, storage, reliability, and data integrity.
  • Collaborate with cloud backend engineering teams to design ETL pipelines across storage systems.
  • Partner with AI engineers, software engineers, data engineering, analytics, and product teams to deliver database solutions.
  • Provide technical leadership and mentorship to junior engineers.
  • Research database technologies and contribute to internal tools and frameworks for database development and operations.

Requirements

  • Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
  • 10+ years of database engineering experience focused on SQL and NoSQL databases.
  • Expertise designing and managing high-scale time-series databases and OLAP/OLTP systems.
  • Advanced SQL skills, including query optimization, indexing, and stored procedure development.
  • Strong experience with NoSQL databases and data modeling techniques.
  • Deep understanding of time-series data architecture and performance tuning.
  • Experience with OLAP technologies such as Apache Druid or ClickHouse.
  • Familiarity with AWS RDS, Google Cloud BigQuery, Terraform, or CloudFormation.
  • Strong programming skills in technologies such as Golang, Java, or Scala.
  • Preferred experience with Apache Kafka, real-time analytics, data warehousing, Docker, and Kubernetes.

Tech Stack

Apache CassandraApache KafkaClickHouseDockerGoGoogle BigQueryJavaKubernetesMongoDBPostgreSQLScalaSQLTerraform

Categories

BackendData Engineering
Sonatus

About Sonatus

201-500 employees
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