Oleksii

Oleksii Ivashchenko Profile
Data Analyst/QA Engineer
4 years of experience in Data Quality and Anomaly Detection area as well as in
testing Web and Desktop applications. Experience in SQL helps me making deep
analysis and providing suggestions for data improvements . I am self - motivated
team player and open for learning everything new, improving my skills and sharing
knowledge with others.
Working as Data Analyst/QA Engineer I made huge contribution in data analysis
that came from different sources and allowed to speed up/optimize delivery
process to the clients.
I have a good understanding of SQL and data testing. I am a well organised and
self - motivated individual who enjoys learning and improving my skill set . I work
well both in a team and on my own and will always be driven to improve processes
and meet deadlines . During my work in the position , a great contribution was
Personal details made to the quality of the data provided to the client, on the basis of which new
clients were signed, the staff was expanded.
Oleksii Ivashchenko

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Technical Skills
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create tasks, report bugs in Azure DevOps system;
Lviv region experience with SQL;
experience with RegEx (Regular Expressions);
use DevTools in testing;
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familiar with JMeter;
ivashchenko
experience with testing API;
understanding of client-server architecture;
t.me/geexalexis
analysis of JSON/XML files with data;
revision Control Systems: Git;
alex_kharkov7 experience working in an Agile/Scrum development process;
use MS Excel in analysis (Pivot tables, Vlookup, as visualisation tool etc.);
understanding of possible differences between testing approaches depending
Qualities on product.

flexible, reliable and task oriented
Employment
team worker

self-motivated, self-learning Data Analyst/QA Engineer Apr 2021 - Present
SSA Group, Kharkiv
customer focus, understanding the Project: the project is an enterprise-class SaaS reporting and analysis framework.
needs of the client It is designed to provide data to the client based on the collected data processed
using machine learning models in order to understand where clients lag behind
patient to get things done competitors across retail and online metrics.

Skills Responsibilities : as a Data Analyst , I am responsible for the full analysis and
data quality control cycle , starting from the grabbed raw data verification to
validation, deep analysis and decision-making on correcting of the data received
Bug Tracking (Azure DevOps system)
after all processes, including machine learning model results, before providing the
Test Planning final result to the client.
As QA Engineer , I am responsible for web platform testing , other desktop
MS SQL applications that were sold together as part of complex solution or separately as
independent product.
Regular Expressions

API, client-server architecture
JSON/XML
Highlights:
JMeter checking the data via DevTools console;
API testing via Advanced REST client;
DevTools verification and bug reporting in the process of data grabbing;
checks the correctness of the ETL processes inside the database. Regression
Scrum/Agile
testing after fix;
MS Excel identification and decision-making on adjusting of the data outliers;
quantitative and qualitative checks of the results of collecting data from
Visualisation tools resources using SQL queries (developed and improved by hand) as well as
other internal tools;
anomaly detection and analysis of incoming POS data from retailers;
Languages
validation of data obtained after modelling via machine learning algorithms;
performing QA data testing and validation on all changes, and periodic QA
English
reviews of existing data feed using SQL together with visualization tools;
Ukrainian close cooperation with the team and the client;
experience working with Agile/Scrum principles, values, and processes;
Russian mentoring of new employees (both from Ukraine and from USA, Ireland,
India).

Data Classification/QA Engineer Apr 2019 - Apr 2021
SSA Group, Kharkiv
end to end data cleansing and structuring;
regular expressions creation;
functional testing of web and desktop applications. Checking the correctness
of incoming and outgoing data using SQL , both black box and grey box
testing;
mentoring of new employees;
close cooperation with the team and the client.

Industrial designer Oct 2006 - Apr 2019
Advertising holding ‘Megapolis Plus’, Kharkiv
manufacturing and placing the indoor/outdoor advertising;
organisation of a working process inside the team.

Education

Computer System Analyst Sep 2003 - Jun 2008
KhNURE (Kharkiv National University of Radio Electronics), Kharkiv
Computer Engineering and Management Faculty

Courses

QA Engineer at ITCloud Academy Mar 2019
QA theory - goals, approaches, types, design, documentation, testing
principles;
creating of test artefacts (test plan, test cases, check list, bug report);
bug life cycle, test design techniques (ECP, BVA, EG etc.);
knowledges of testing process ( STLC ) , SDLC , Agile/Scrum and Waterfall
methodologies;
familiarity with Jira, Trello;
Postman.