Java Senior Software Engineer

Greenhouse Software, Inc.; Georgia; Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Remote or Hybrid work options

Job summary

MariaDB is seeking a Java Senior Software Engineer to lead the development of a geo-distributed, highly scalable database solution. You will manage a team of engineers, work across on-premise and cloud environments, and focus on replication, sharding, concurrency, and performance optimization.

You will collaborate globally, contribute to open source, and push the limits of distributed databases. Strong leadership, debugging, and collaboration skills are essential for success.

Qualifications

• 4+ years of experience in Java programming.
• Deep knowledge of concurrency in Java and Java Memory Model.
• Experience with SQL databases.
• Experience in troubleshooting Java applications and/or databases.
• Excellent leadership, problem-solving, and debugging skills.

Responsibilities

• 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 profiling tools.
• Keep code clean and reviewable with Git.
• Develop and optimize data structures for high data-intensive access.
• Implement storage and network data transfer with fault handling.
• Investigate data consistency algorithms and multi-node debugging.

Skills

Java programming

Concurrency in Java

SQL databases

Troubleshooting Java apps

Leadership

Tools

Docker

Kubernetes

Job description

MariaDB is making a big impact on the world. Whether you’re checking your bank account, buying a coffee, shopping online, making a phone call, listening to music, taking out a loan or ordering takeout – MariaDB is the backbone of applications used everyday. Companies small and large, including 75% of the Fortune 500, run MariaDB, touching the lives of billions of people. With massive reach through Linux distributions, enterprise deployments and public clouds, MariaDB is uniquely positioned as the leading database for modern application development.

The RoleYou will be responsible for the development and testing of a highly scalable, geo-distributed, highly performant database solution. You should have experience working on distributed software solutions and have a strong background working with on-premise and cloud-based solutions. You will also be responsible for managing a number of Software Engineers on the project.

Java Senior Software Engineer

Here at MariaDB we are seeking a highly motivated and experiencedJava Senior Software Engineerto lead the development of our highly scalable, geo-distributed, and highly performant database solution. This role requires a strong background in distributed software solutions, experience with both on-premise and cloud-based environments, and proven leadership abilities. You’ll be joining a small, highly skilled team where your work will have a direct impact. Expect to dig deep into replication, sharding, concurrency, and performance optimization—making our systems faster, smarter, and more resilient. You’ll collaborate globally, contribute to open source, and push the limits of what a distributed database can do.

What You’ll Do

• 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 highdata-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 onmulti-node clusters and in low-level byte-represented data.

What You Bring

• 4+ years of experience in Java programming.
• Deep knowledge of concurrency in Java and Java Memory Model and/or of concurrency model inother programming systems.
• 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.

The following may be a strong plus:

• 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.

Location

Why You’ll Love It Here

• 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.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in MariaDB plc’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service‑connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.