Sergey Golitsyn

Sergey Golitsyn has over 7 years of work experience in the software engineering field. In 2021, they began working as a Senior Software Engineer at Kippo (Covalent Inc.), where they designed and implemented critical modules from scratch, added a Friends service that increased user retention by 27%, and redesigned the Auth and Notification services. Sergey also created a library for server-side game development and implemented a new feature that increased DAU by 20%. In 2020, they worked as a Senior Software Engineer at Zillion Whales, where they refactored several critical services, realized a feature that increased the company's profit, trained new developers, speeded up first loading, configured local launch, and realized a new feature that increased retention by 17%. In 2019, they were a Senior Java Developer at Prosper Marketplace. In 2018, they worked at IT Philosophy as a Senior Programmer (Java Middle Developer) and Team Lead, and a Senior Java Developer. In 2016, they worked at Budget and Financial Technologies as a Java Developer and Junior Java Developer. In the same year, they worked at OAO Institute of High Technologies of BelSU as a Junior Java Developer. Lastly, in 2014, they worked at the branch of MRSK of Center, OAO - "Belgorodenergo" as an Engineer.

Sergey Golitsyn obtained a Bachelor's degree in Communication Networks and Switching Systems from Belgorod State University between 2009 and 2014. Since then, they have obtained several certifications, including Pragmatic System Design from Udemy in December 2022, Object-Oriented Design from Coursera in November 2022, Certificate of Appreciation from Globee Awards in March 2022, Introduction to Augmented Reality and ARCore from Coursera in September 2021, Certificate of Completion spoken English course Intermediate, Grade A from Skyeng in July 2020, Rapidly Build 12 iPhone/Android Augmented Reality from Udemy: Online Courses in July 2020, Java Developer from OTUS Online-obrazovanie in June 2019, Java Web Developer from Stepic.org in February 2018, Enterprise Java Beans from “Specialist” Computer Training Center in April 2017, and Java Tutorial Course from SoloLearn in November 2015.