Viktor Ganeles
Senior Performance Engineer
Summary
10 years experience as Performance Engineer, 21 years in IT at all. I'm top expert in Jmeter, LoadRunner, Bottleneck detection & optimizations.
Overview
22
22
years of professional experience
5
5
Certifications
Work History
Senior Performance engineer / SRE
MicroFocus (Opentext)
1 2022 - 1 2023
- Performance engineer in the Load Runner Cloud developer team
- Achievements:
- Optimized database queries (acceleration of key queries from 3 to 0.4 seconds)
- Proposed a number of interface changes to improve usability
- Prevented a number of problems with the use of AWS resources
- Helped to identify difficult customer problems (second support line)
Load testing courses teacher
OTUS, Performance Lab
01.2020 - 01.2023
- Courses: Load testing, High load architect, Load testing school
- Topics: Jmeter, LR, statistics analysis, load testing theory
Head of the Load Testing Department / SRE
Top 3 Russian Bank “PromSvyazBank”
01.2019 - 01.2022
- Optimized many banking systems (acceleration up to 32 times)
- Created a load testing department (17 people)
- I was responsible for testing more than 20 key systems of the bank
Senior performance Engineer / DevOps
Performance Lab
01.2014 - 01.2019
- I have grown from a test designer to a senior performance engineer
- Main responsibilities: team management, tasks setting, new projects presales (evaluation), leading complex projects
- Achievements:
- Optimized a lot of systems.
- Developed a tool for automatically creating a test profile from raw statistics in 5 minutes.
- Has spoken at many conferences with various reports on productivity.
- Development of an instrument for an automatic creation of scenarios for Microfocus Load Runner
- Teacher of Microfocus Performance Center
- Stack of technologies: ALM, Load Runner, Jmeter, C#, .Net Remoting, .Net Core, https, MS SQL, Oracle, MSMQ, WebSphere, Java, RabbitMQ, Kafka
System Administrator / DevOps
Grafitec
01.2010 - 01.2014
- Main responsibilities: maintenance of servers (Windows & Linux), Cisco routers, distributed networks & users computers support
Founder and tech director
TigerSoft (IT-outsourcing)
01.2004 - 01.2010
- Main responsibilities: consulting in the field of computer security, negotiations with new clients, management & training of system administrators, solving complex IT problems
System Administrator
Various companies
01.2001 - 01.2004
- OLS (IT-outsourcing), TeamDeax (xerox distributer), Com (Internet-provider) Hushus (graphic design), Newspaper “Terra incognita”
Skills
JMeter
Load Runner
Bottleneck detection, analysis
Application profiling (Java / JS / Net applications: JFR, Jconsole, dotTrace, YourKit, Chrome DevTools, Eclipse MAT & PMAT, etc)SQL (MS, Oracle, Postgre, Explain Plan, queries optimization, PL\SQL)TCP/IP (Wireshark / Cisco routing / etc)Microservices (kubernetes, docker)Clouds (Azure, GCP, AWS EKS/RDS/S3/EC2)OS (Windows, Linux, AIX)Accomplishments
- The performance of the client bank was optimized 32 times over the year (SQL optimization, application profiling, architecture optimization)
- Developed an automatic test scenario generator for Jmeter
- Developed an automatic test scenario generator for Load Runner Professional
- Developed a tool for automatic analysis of statistics and creation of a load testing profile
- Adapted VirtualTableServer for Jmeter
Speaker At Conferences And Meetups
- Https://perfconf.ru/, PerformanceConf – Member of the Program Committee
- Https://heisenbug-moscow.ru/talks/6g5lyi3cl7tvrzyflzfqkm/, Heisenbug – Antipatterns of Load Testing (2021)
- Https://conf.pflb.ru/, Performance Conf – Optimization of bank systems (2021)
- Https://sqadays.com/ru/talk/52678, SQL Days – Design of Load Testing profile (2019)
- Https://www.youtube.com/watch?v=NG5zMj3xqJQ&list=PLQznpGUZVuqKaHtN3Iz0iUtrrni4LuF4O, Youtube Playlist – my performances (Russian language)
Certification
Active Directory: Configuring and Troubleshooting
Desired Location
Europe (ready to relocate)
Timeline
Load testing courses teacher - OTUS, Performance Lab
01.2020 - 01.2023
Head of the Load Testing Department / SRE - Top 3 Russian Bank “PromSvyazBank”
01.2019 - 01.2022
Senior performance Engineer / DevOps - Performance Lab
01.2014 - 01.2019
System Administrator / DevOps - Grafitec
01.2010 - 01.2014
Founder and tech director - TigerSoft (IT-outsourcing)
01.2004 - 01.2010
System Administrator - Various companies
01.2001 - 01.2004
Senior Performance engineer / SRE - MicroFocus (Opentext)
1 2022 - 1 2023