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Java Senior Software Engineer

MariaDB plc
Contract type
Ongoing
Work mode
100% remote
Experience
Mid-level · 4+ years

Job description

Key details

  • Ensure the scalability, performance, and reliability of the database system
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Troubleshoot and resolve complex issues in distributed environments
  • Profile, debug, and fine-tune performance with tools like JFR, JMC, async-profiler and VisualVM—and your own tricks
  • Keep code clean and reviewable with Git
  • Develop and optimize the data structures for providing the best experience accessing data in high data-intensive scenarios
  • Implement the best way to store data to disk and send data over the network to other nodes (including failure handling and recovery after failures)
  • Implement and integrate algorithms for high availability of the whole cluster
  • Investigate flaws in data consistency algorithms, which may require thorough debugging either on multi-node clusters and in low-level byte-represented data
  • Company mission
  • Information not specified

Primary stack

Core technologies

JavaDockerSQLKubernetesAWSAzure

Benefits

  • A globally distributed team where your work is tangible, valuable and appreciated
  • Remote or Hybrid work options (location dependent)
  • Projects that stretch your skills and make an impact at scale
  • Competitive pay, 25 days paid annual leave (plus holidays), and a culture that values creativity and clean engineering

Requirements & details

  • 4+ years of experience in Java programming
  • Deep knowledge of concurrency in Java and Java Memory Model and/or of concurrency model in other programming systems
  • Excellent Java SE knowledge including IO, JVM internals, etc
  • Experience with SQL databases
  • Experience in troubleshooting Java applications and/or databases
  • Excellent leadership, problem-solving, and debugging skills
  • Experience working effectively in a fast-paced, collaborative environments
  • Deep SQL knowledge (MariaDB/MySQL/PostgreSQL/Apache Ignite/GridGain) and passion for distributed systems (Raft, MVCC, ACID etc)
  • Understands MVCC and P2PL, and the difference between Snapshot Isolation and REPEATABLE READ
  • Experience with NoSQL and/or distributed databases
  • Experience with building highload distributed systems and algorithms
  • Experience with Docker, Kubernetes and/or public Cloud (AWS, GCE, Azure, etc.)
  • Open-source contributions, automation expertise, or performance/load testing
  • Active use of AI
  • Salary Range: €74,200.00 - €100,400.00 per year (gross)
  • Java, SQL, MariaDB, MySQL, PostgreSQL, Apache Ignite, GridGain, Docker, Kubernetes, AWS, GCE, Azure, Git, JFR, JMC, async-profiler, VisualVM
  • Java
  • Docker
  • SQL
  • Kubernetes
  • AWS
  • Azure

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