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Principal Database Engineer

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Principal Database Engineer in Others new

  • USA (city not specified)

Responsibilities

  • Assess the database estate for reliability, scale, cost, and operational complexity, and identify opportunities for investment or simplification.
  • Define target architecture, measurable goals, and a prioritized roadmap with engineering leads and dependent teams.
  • Design and implement database migrations, scaling improvements, benchmarks, data-integrity checks, cutover plans, and rollback procedures.
  • Investigate MariaDB failures and performance limits across the database engine, storage, and application layers.
  • Improve fleet reliability through observability, safer changes, tested backup and restore procedures, and disaster recovery exercises.
  • Build and maintain production software and self-service workflows for database provisioning, upgrades, failover, online schema changes, and routine maintenance.
  • Partner with application teams on schemas, transaction boundaries, queries, and data-store choices.
  • Mentor engineers through design reviews, pairing, and incident analysis.
  • Participate in on-call and incident response and follow through on production lessons.

Requirements

  • 8+ years operating and evolving production database estates at scale.
  • Deep recent hands-on MariaDB expertise, including InnoDB, MVCC, transaction isolation, locking, query optimization, binary logs, and MariaDB GTID replication.
  • Strong understanding of high availability, replication, distributed database failure modes, consistency and availability trade-offs, transaction boundaries, and reliable event delivery.
  • Experience diagnosing MariaDB incidents, tuning performance, and testing restore or point-in-time recovery while validating data integrity.
  • Strong software engineering skills in Python, Go, Rust, or a comparable language, including production database automation with version control, code review, delivery pipelines, and tested failure handling.
  • Strong Linux, kernel, storage, and networking fundamentals.
  • Ability to provide technical judgment, deliver across teams without reporting-line authority, and develop experienced engineers.
  • Preferred experience with containerized, hybrid on-premises/cloud, or multi-region database environments.
  • Preferred familiarity with Kubernetes, infrastructure as code, GitOps, MaxScale, HAProxy, or ProxySQL.
  • Preferred experience with PostgreSQL, Vitess, TiDB, ScyllaDB, ClickHouse, Kafka, Redis or Valkey, Elasticsearch or OpenSearch, database engines, operators, infrastructure software, or regulated environments.

Benefits

  • Applications are accepted on an ongoing basis unless a specific deadline is stated.
  • The role includes on-call and incident-response participation.
  • Payward is an equal opportunity employer committed to a diverse and inclusive workplace.

Salary: $161k - $359k/yr

Kraken

Kraken's cryptocurrency exchange platform provides traders and investors with a secure and feature-rich environment to navigate the complexities of the cryptocurrency markets. With the ability to buy and sell cryptocurrencies online worldwide, Kraken is a player in the digital asset ecosystem.

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