Principal Database Engineer

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🔥 0 minutes ago

🇬🇧 United Kingdom – Remote

💵 $161k - $358.9k / year

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

👻 Ghost score 4%

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Kraken Digital Asset Exchange

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2011

₿ Crypto

💸 Finance

💳 Fintech

Crypto • Finance • Fintech

Kraken Digital Asset Exchange is a cryptocurrency platform that facilitates the buying and selling of over 200 cryptocurrencies, including Bitcoin, Ethereum, and many others. Founded in 2011, Kraken provides a comprehensive suite of features for both beginner and advanced traders, such as advanced trading interfaces and margin trading. The platform emphasizes industry-leading security, deep liquidity, and 24/7 customer support, making it a trusted choice for users worldwide. Kraken caters to individual investors as well as institutional clients, offering services like OTC trading and custody. The company is committed to transparency with its proof of reserves and mission-driven values. Kraken operates globally, supporting clients in over 190 countries, with a quarterly trading volume exceeding $207 billion. However, users are advised of the high risk of crypto investments and the lack of regulation in some jurisdictions.

📋 Description

• Review the database estate against business needs and production evidence, assessing reliability, scale, cost and operational complexity • Identify systems to preserve and areas where investment or simplification would improve outcomes • Define target architecture, measurable goals and a prioritised roadmap with engineering leads and dependent teams • Explain trade-offs, sequence work around delivery risks and adapt plans as evidence changes • Execute roadmap initiatives through design, implementation and adoption • Participate in difficult migrations and scaling decisions using benchmarks, data-integrity checks and cutover and rollback plans • Verify results in production before completion • Investigate MariaDB failures and performance limits through engine, storage and application behaviour • Improve fleet reliability through observability, safer changes, tested backup, restore and disaster recovery procedures • Set recovery objectives with service owners and prove them through exercises • Build and maintain production software for database provisioning, upgrades and routine maintenance • Develop safe and auditable self-service workflows with access controls and change evidence in collaboration with Security and Compliance • Advise application teams on schemas, transaction boundaries, queries and data-store choices • Resolve cross-team dependencies and clarify operational consequences • 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 • Strong understanding of high availability, replication and distributed database failure modes • Understanding of consistency and availability trade-offs, transaction boundaries and reliable event delivery, including transactional outbox patterns • Deep, recent hands-on MariaDB expertise, including InnoDB, MVCC and transaction isolation, locking, query optimisation, binary logs and MariaDB GTID replication • Personal ownership of MariaDB incident diagnosis, performance tuning and tested restore or point-in-time recovery • Strong software engineering skills in Python, Go, Rust or a comparable language • Experience building and maintaining production software or automation for database workflows such as provisioning, failover, online schema changes and self-service operations • Experience using version control, code review and delivery pipelines, with tested failure handling • Strong low-level Linux, Kernel, storage and networking fundamentals • Clear written technical judgment and demonstrated delivery across teams without reporting-line authority • Familiarity with Kubernetes, infrastructure as code or GitOps, including operational trade-offs [nice to have] • Experience with database proxies or load-balancing layers such as MaxScale, HAProxy or ProxySQL [nice to have] • Experience with PostgreSQL, Vitess, TiDB, ScyllaDB, ClickHouse or internal database platforms; operational knowledge of Kafka, Redis/Valkey or Elasticsearch/OpenSearch [nice to have] • Experience in regulated environments or contributions to database engines, operators and other infrastructure software [nice to have]

🏖️ Benefits

• Equity program • Bonus program • Wellness allowance • Medical benefits [US Only] • Dental benefits [US Only] • Vision benefits [US Only] • 401(k) benefits [US Only]

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