Senior QA Automation Engineer - SDET

mariadbplc; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid or remote options

Competitive pay

Job summary

MariaDB plc is seeking an experienced Quality Engineer to join the core QA team for a distributed in-memory data platform. The role blends hands-on test automation, framework design, and deep technical investigation of distributed systems behaviour across transactions, replication, networking, storage, and cluster management.

The role suits an experienced engineer who enjoys making complex, high-scale systems measurably more reliable.

Qualifications

• At least five years in software quality assurance or testing-focused software engineering.
• Strong Java programming skills and familiarity with the wider Java ecosystem.
• Proven experience designing, developing, and maintaining automated tests and frameworks.
• Hands-on testing experience with distributed or backend systems.
• Understanding of multithreading, concurrency, networking, and consistency models.

Responsibilities

• Design, develop, and maintain automated tests and supporting frameworks for functional and performance testing.
• Take part in release validation activities and improve the release testing process.
• Verify new features, bug fixes, and performance improvements against expected behaviour.
• Investigate issues spanning distributed transactions, replication, networking, storage, and cluster management.
• Build automation that reduces manual effort and raises team productivity.

Skills

Java programming

Test automation

Distributed systems

Multithreading & concurrency

Backend testing

Tools

Docker

Kubernetes

Apache Ignite

Job description

Role overview

Work on the core quality engineering team for a distributed in-memory data platform used in modern application stacks. The role blends hands-on test automation, framework design, and deep technical investigation of distributed systems behaviour across transactions, replication, networking, storage, and cluster management. It suits an experienced engineer who enjoys making complex, high-scale systems measurably more reliable.

Responsibilities

• Design, develop, and maintain automated tests and supporting frameworks for functional and performance testing.
• Take part in release validation activities and contribute to improving the release testing process.
• Verify new features, bug fixes, and performance improvements against expected behaviour.
• Investigate complex issues spanning distributed transactions, replication, networking, storage, and cluster management.
• Build automation that reduces manual effort and raises team productivity.

Requirements

• At least five years in software quality assurance and test automation, or in software engineering with a testing focus.
• Strong Java programming skills and familiarity with the wider Java ecosystem.
• Proven experience designing, developing, and maintaining automated tests and frameworks.
• Hands-on testing experience with distributed or backend systems.
• Working understanding of at least three areas: multithreading, concurrency, networking, distributed systems concepts, transactions, and consistency models.

Nice to have

• Experience with NoSQL or distributed databases, ideally Apache Ignite or GridGain; Docker and Kubernetes; relational databases; applying modern AI tools to engineering productivity; performance testing, profiling, and troubleshooting complex systems.

Benefits and work setup

• Hybrid or remote options depending on country: hybrid in Bulgaria, fully remote in Croatia, Estonia, Finland, Italy, Poland, Romania, Serbia, and Spain.
• Twenty-five days of paid annual leave plus local holidays, competitive pay, and a globally distributed team focused on clean engineering.