Konstantin Kelenson possesses expertise in software quality assurance, selenium, test planning, regression testing, testing and 21 more skills. Colleagues describe him as "Konstantin is a fantastic person to work with. He is not only a loyal and trustable person but also an inspiring person to work with. Konstantin is a very responsible person, a result-driven, and open-minded team player, also a customer-focused colleague. He is a tireless worker whose efforts would be valued at any company." and "I've worked with Konstantin for many years and on many different projects. One thing never changed: his dedication to detail. He caught so many bugs before they went into production and saved our customers so many times from having a bad experience. Konstantin excelled at setting up a robust testing harness for our Data API, ensuring our customers don't have a costly interruption of their data streams. Working with Konstantin is a pleasure. He's thoughtful, a good listener and a great communicator."