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Olesia Klochkova
Quality Engineer, Software Engineer
Phone: [open contact info](look above in the "contact info" section) or [open contact info](look above in the "contact info" section)(Viber only) - Email: [open contact info](look above in the "contact info" section)

Professional Summary
Experience in different IT projects 10+ years:
●​ Cross-Platform Mobile applications: Android and IOS
●​ Automated Energy and Utility Accounting Systems
●​ Extensions for Internet Browsers
●​ Websites, CMS-based websites
●​ Management System - Security Section

Skills
●​ Programming Languages: TypeScript, JavaScript, ●​ Technologies and frameworks: Ionic,
SQL, C# Capacitor, Cordova, Node.js, Angular, jQuery
●​ Databases: MSSQL, MySQL, Oracle, Firebase ●​ Collaboration: JIRA, Bitbucket, Trello
●​ Cloud: AWS ●​ Unit testing
●​ Code repositories: Git ●​ Manual testing
●​ Project Management ●​ Automated testing: Selenium

Experience
Software Developer, Quality Engineer
March 2018 – March 2024
Klo Apps - Ukraine
●​ Brainstormed design and functionality of new features
●​ Tested, developed and published 9 mobile apps on android and iOS markets and 2 web apps
●​ Ran A/B testing to find better design of the selling page. Increased revenue by 150%
●​ Analyzed users behavior to improve UI/UX
●​ Analyzed revenue and adjusted prices to find the best product value
●​ Implemented automated screenshot tool in browser
Technologies: Angular, TypeScript, Ionic, Capacitor, Cordova, Firebase, AdMob, android, iOS, Trello, Jira
https://klo-apps.com/
Software Developer, Quality Engineer
January 2016 – January 2017
Freelance project - KD SPY - London
●​ Designed and developed new software solutions
●​ Modified existing software to add new features
●​ Conducted manual testing to ensure software quality
●​ Tested extension performance to identify and fix issues
●​ Performed unit testing to validate code functionality
https://www.kdspy.com/, https://www.kdroi.com/

Software Developer, Quality Engineer
August 2013 – January 2016
Freelance projects on Elance(Upwork)
●​ Modified and enhanced existing software to improve functionality
●​ Tested new features and evaluated software performance
●​ Analyzed complex technical problems
●​ Worked with RESTful APIs for communication between systems
●​ Used Postman to test and validate REST API endpoints
Software Developer
October 2012 – July 2013
Amgrade - Ukraine
●​ Developed new software
●​ Collaborated with the testing team and the support team to identify issues in the software
Technologies: Drupal CMS, PHP, HTML, Sass

Quality Engineer, Database Manager
July 2011 – July 2012
Workspeed Management System, LLC (acquired by MRI Software, LLC) - Ukraine
●​ Manual Testing
●​ Load Testing
●​ Operation with Database
●​ Collaborated with software developers on design, development and testing of programs
●​ Analyzed complex technical problems to design innovative solutions

Software Developer
October 2007 – July 2011
Marka - Ukraine
●​ Developing software solutions for energy system process automation
●​ Documenting software systems and processes
●​ Conducting manual testing
●​ Run real-time system testing
Technologies: Java Script, Cache Object Script, HTML, CSS,

Education
M.S. in Economic and Computer Science, June 2013
Zaporizhzhya State Engineering Academy - Ukraine
B.S. in Economic and Computer Science, June 2012
Zaporizhzhya State Engineering Academy - Ukraine
J.S., Software development, June 2008
Zaporizhzhya Electrical College - Ukraine

Certifications & Courses
Foundations of Project Management, Coursera - October 2025
Project Initiation: Starting a Successful Project, Coursera - November 2025