Sergey Klikich Email & Phone Number

Ukraine, Kiev

ClearCover (2020-2024)At ClearCover, I was pivotal in ensuring the seamless operation and quality of our car insurance aggregation and provider platform. My role was deeply rooted in extensive API testing, ensuring robust integrations and data flow between systems. I also specialized in comprehensive log investigation using tools like SumoLogic and DataDog, identifying and resolving issues to maintain system reliability.Gett UK (2019-2020)At Gett UK, I focused on both mobile and web applications(front and back offices) quality assurance of a B2B micro-service taxi platform for corporate users. I managed a team of QA professionals, balancing manual and automation testing. I employed virtualization tools such as Android Studio and XCode to simulate various environments, ensuring thorough testing coverage despite limited physical devices.iControl (2017-2019)At iControl, I focused on testing web versions of a big data project that aggregated and analyzed pricing/payments data from supermarkets and shops. My role included comprehensive manual testing, coupled with automation testing using Serenity and Java, API testing, and data consistency checks. I used tools like Tableau for data visualization, ensuring that insights from the data were clear and actionable.Chairlift & Better Interviews (2016-2018)At Chairlift and Better Interviews, I was integral in ensuring the quality and reliability of mobile and web applications. At Chairlift, I focused on employee performance management systems and feedback aggregators, while at Better Interviews, I worked on platforms that streamlined candidate aggregation, feedback collection, and interview scheduling. My responsibilities included extensive manual testing to identify and resolve issues, as well as rigorous API testing for both mobile and web versions using tools like Postman and Swagger. I utilized error-tracking processes with tools such as Bugsnag and Sentry to maintain high system reliability.

Big data project that allows customers to dive into the insights of trends and situations in the app markets. Successfully launched 3 new products which gave us the advantage in the market. Reduced the level of reverts and incidents during my work period.My key responsibilities included:Manual Testing: Conducted comprehensive manual testing for web and mobile applications to ensure functionality and user experience.Usage Analysis: Utilized Amplitude to analyze user behavior and derive actionable insights.Data Analysis: Conducted data analysis to identify logical inconsistencies and reported any anomalies or odd results.API Testing: Tested APIs using Postman and Swagger to ensure reliable data exchange and system integrity.Log Analysis: Investigated logs with Kibana and Grafana to diagnose and resolve issues.Performance Testing: Conducted performance tests with Vegeta and analyzed results to optimize application performance.Fetcher Testing: Ensured smooth operation of daily data collection jobs and crawler functionality.DB Migration Testing: Managed and tested database migration from MongoDB to ClickHouse, ensuring data integrity and performance through comprehensive verification and regression tests.Release Management: Oversaw release processes, prioritizing bug fixes and ensuring quality delivery.Issue and Task Triage: Prioritized and managed issues and tasks to maintain project momentum and resolve critical blockers.Taxonomy Project: Created, updated, and managed a sensitive taxonomy project, ensuring data accuracy and relevance.Test Artifacts: Developed and maintained test plans, checklists, and strategies to ensure thorough test coverage.Localization Testing: Conducted localization and internationalization testing to ensure product compatibility across different regions.This role honed my expertise in quality assurance, and data analysis, contributing to Sensor Tower's market leadership and product excellence.

Ukraine, Kiev, Gaidara 50B

L’Oréal Ukraine / L’Oréal Matrix Ukraine:Projects: Web portal and mobile app for merchandisers and admins, web portal for brand promotion (MatrixUA).Responsibilities: Manual testing of UI/UX, regression, and performance testing to ensure functionality and user satisfaction.EKO Market:Project: Web portal for managing complaints and customer issues, and regular email notifications.Responsibilities: Conducted thorough testing of complaint workflows and validated email notification systems for accuracy.Velyka Kishenya:Project: Web portal for complaints management, bonus program development, and logical consistency.Responsibilities: Tested UI/UX and regression scenarios, ensuring seamless user experience and correct bonus program implementation.British American Tobacco:Projects: Resource and customer info management system, mobile app (Android. iOS), and web portal for front and back office.Responsibilities: Comprehensive testing across platforms, including integration, API testing, and data analysis.Siniat:Project: Web portal for connecting builders with resource providers.Responsibilities: Ensured data mapping accuracy, tested user interactions, bonus program development, and verified the linkage between builders and suppliers via UI.Core Responsibilities:Manual Testing (UI, UX): Validated design and functionality of user interfaces.Regression Testing: Ensured new updates did not disrupt existing features.Performance Testing: Assessed application performance under various loads for optimal efficiency.Data Mapping Testing: Verified database data mapping for integrity and future use.Google Analytics: Analyzed user data and created retention insights presentations.Email Notifications: Developed and tested email systems for reliable delivery.Prototyping: Created web and mobile app prototypes using Proto.io and Framer, facilitating effective design reviews.

QA Engineer / Customer Success, TravelSim BGFeb 2015 — Apr 2016 | VarnaAs a QA Engineer and PM Associate for TravelSim BG’s online shop using the Summer Cart CMS, I focused on ensuring quality and usability. Key responsibilities included:Manual Testing: Conducted UI and UX testing to identify and resolve issues.Test Documentation: Created detailed bug reports, checklists, and test plans.Performance Testing: Used jMeter and Loader.io to ensure website stability under load.Localization & Internationalization Testing: Verified functionality across different regions and languages.User Stories & Flows: Developed user stories and optimal flows to guide development and testing.These efforts contributed to a high-quality user experience and operational efficiency.QA Engineer, Cyber Bionic SystematicsJun 2015 — Nov 2015 | KyivIn this short-term contract, I worked on a portal for testing customer knowledge in computer technologies and facilitating course purchases. Key responsibilities included:Manual Testing: Performed detailed manual testing to improve portal functionality.Mentoring: Guided QAs in performance testing with jMeter and HP LoadRunner, explaining key metrics.This role helped ensure the portal's reliability and provided a robust educational platform.

Kyiv, Kyiv City, Ukraine

As a Senior B2C/B2B Manager at Polygon, I spearheaded business growth through effective prospect identification, relationship management, and sales strategy. My key contributions included:Business Development: Identified and secured new business opportunities by evaluating industry positions and conducting market analysis.Client Relations: Built and maintained strong relationships with clients, offering support, insights, and tailored solutions to enhance their experience and drive satisfaction.Sales Excellence: Established and nurtured contacts with prospects, recommending appropriate solutions and driving product sales.Team Enhancement: Elevated team capabilities by providing training, answering technical queries, and mentoring less experienced members.Market Research: Stayed abreast of industry trends, market activities, and competitors to identify potential product improvements and new opportunities.Report Preparation: Collected, analyzed, and summarized data to prepare comprehensive reports, aiding strategic decision-making.Quality Assurance: Ensured high service quality by setting and enforcing organizational standards.Professional Development: Enhanced knowledge and skills by attending workshops, reviewing publications, and participating in professional networks.Sales Target Management: Oversaw the fulfillment of personal sales targets, contributing to overall team success.My role was pivotal in driving sales growth, improving team performance, and ensuring client satisfaction.

Doctor Of Philosophy - Phd, Modern Economic

Master'S Degree, Computer Systems Networking And Telecommunications

Bachelor'S Degree, Telecommunications Technology/Technician

The course includes basic disciplines: the theory of electrical communications systems and networks with mobile objects, devices, digital.

Junior, Quality Control And Safety Technologies/Technicians, Junior

I completed an intensive one-year training program in Quality Assurance (QA). The program equipped me with robust manual testing skills.

Associate'S Degree, Radio And Television

Secondary School, English

Kyiv Specialized English Language School #155 is a state secondary comprehensive school with an in-depth study of the English language.