Behind the Innovator: Regimantas Snieška, Lead Software Engineer, MobilePay

In this Q&A series "Behind the Innovator", Regimantas Snieška, a lead software engineer at MobilePay, shares his experience and learnings from working with Apache Cassandra™ and open source technologies. He discusses the challenges of designing highly available systems in a microservices architecture, emphasizing the importance of understanding trade-offs for each design decision. Domain-driven design is recommended as a useful tool to simplify system design and improve communication across teams. An extensive automated testing suite is also highlighted as crucial for enabling CI/CD pipelines and fast, reliable deployment. Regimantas advises designing systems that are easy to change due to the rapid advancement of technology. For learning Cassandra, DataStax Academy is recommended, while Pluralsight is suggested for SQL knowledge.