Jun 2019 – Jan 2022 · 2 yrs 7 mos

• Leading the Cloud Native Kafka team at Confluent. I grew the team from 4 to 13 amazing engineers while improving the manageability, reliability, performance, and margins of Kafka clusters in Confluent Cloud. The team focuses on adding elasticity and multi-tenant features to Kafka and improving its performance and scalability.

Jun 2016 – Jun 2019 · 3 yrs

Aug 2015 – Jun 2016 · 10 mos

May 2013 – Jul 2014 · 1 yr 2 mos

• Design and implement scalable data processing solutions for our customers using Cloudera Distribution of Hadoop.

Apr 2013 – Jul 2015 · 2 yrs 3 mos

Apr 2010 – Apr 2013 · 3 yrs

• As a senior consultant at Pythian, I worked with customers both on-site and remotely to solve difficult database problems. Projects included:
• Running load-tests and benchmarks on new hardware to validate its capacity
• Re-writing data ingestion and transformation processes to reduce execution times from hours to few minutes without hardware upgrades.
• Identifying and resolving performance issues for planned upgrade from Oracle 9i to 11g
• Upgrading large multi-node multi-location clusters from Oracle 10g to 11g and then to 11gR2.
• Reviewing database workloads to recommend hardware upgrades
• Health and performance audits
• Working with development teams to re-design applications to perform optimally and with high availability on Oracle RAC clusters
• Planning large scale deployments and consolidation projects - collecting requirements and planning backup strategy, high availability solutions, monitoring, etc.

Jan 2008 – Jan 2014 · 6 yrs

Jan 2006 – Apr 2010 · 4 yrs 3 mos

• Member of a production DBA team responsible for over 80 database servers with 60T of data, mostly Oracle 10g RAC clusters, running multiple applications in a SaaS environment. This includes 24x7 on-call support, trouble-shooting, process automation and introduction of new technologies to support evolving business needs.
• Implemented multiple RAC clusters
• Multiple implementations of Oracle Streams
• Capacity planning and data archiving projects
• Standardized and documented operating procedures
• Adopted UC4 as standard tool for process automation and scheduling
• Installation, backup and recovery of MySQL

Jan 2005 – Apr 2010 · 5 yrs 3 mos

Apr 2003 – May 2005 · 2 yrs 1 mo

• Managing a team of 3 employees responsible for the availability and user experience of Mercury Managed Services.
• Some of the team projects include: Internal acceptance tests to verify that new versions of our product are of sufficient quality; SLA for customer support - ensuring timely response to our issues and requests our customers raise; documentation of internal procedures for configuration, maintenance and installations; Establishing processes with QA and R&D to verify that our requests are handled with the correct priority and tested in correct environment.
• As part of the operations team, I was responsible for availability of application and user experience in a large hosted service.
• My job included providing 3rd tier support for the application, trouble-shooting and resolving customer issues; monitoring the application for availability and performance; deploying new productions including: installation, training and customer configuration of the product.
• In addition, I developed customized software to answer special needs of large customers.

Jan 2000 – Jan 2003 · 3 yrs · Yahud, Israel

• As a web developer, I participated in development of web-based user interface of BAC – Mercury's application monitoring system. Using Java, JSP and Javascript, Tomcat webserver and JBoss frameworks.
• In addition I was fully responsible for the development of several smaller projects, including web-based bug and request tracking system based on Mercury's Test Director; front-end for service-level monitoring tool; scheduled data extraction tool and web-based tools to manage web-servers, application servers and databases.

Jan 1999 – Jan 2000 · 1 yr

• Responsible for the company website