Oleksii L. Email & Phone Number

Amsterdam, North Holland, Netherlands

Gdańsk, Pomorskie, Poland

• Project: Multiple internal projectsKey Responsibilities:
• Developing an ANTLR Java source code parser to extract valuable information on API controllers and methods.
• Upgrading C# functional tests to.NET to enable cross-platform compatibility.
• Building a CICD pipeline for a.NET application using AWS CodePipeline and AWS CloudFormation for infrastructure configuration.
• Creating a Test Strategy document outlining essential resources, workflows, acceptance criteria, testing approaches, automation processes, and more.
• Designing and implementing an API test framework using Java, Lombok, RestAssured and Gradle, leveraging POJO models, custom AssertJ assertions and annotations for efficient response parsing, validation, and reporting.

Gdańsk, Pomorskie, Poland

• Project: Collect performance statistic for serverless frameworkKey Responsibilities:
• Updating existing test framework to add marks for metrics collection.
• Creating Shell scripts for collecting and analyzing the performance metrics, e.g. CPU, RAM, disk space and network bandwidth utilization.
• Creating scripts for generation of performance tests (JSON) with rich parametrization of migration input parameters, e.g. rows count, tables count, column count and data type.
• Utilizing AWS CLI create skeletons for metrics requests to AWS CloudWatch.
• Create summary report of performance analysis.Key Achievements:

Gdańsk, Pomorskie, Poland

• Project: Application migration from Oracle to PostgreSQLKey Responsibilities:
• Performing smoke testing of data after migration
• Running customer’s Postman tests to validate APIKey Achievements:
• Created Shell script as initial point of access to both database from CLI with options menu for user input. Script establishes connections with SQL Plus and Psql to run user SQL scripts.
• Created SQL scripts for collecting database statistics and running smoke test to find a difference on missing tables or records count in them.
• Reviewed and extended all provided API tests with JSON Schema validation and additional logic.

Kharkiv, Ukraine

• Project: Migration client applications from Oracle to PostgreSQLKey Responsibilities:
• Collaborating with a group of 2 automation and 1 manual QA engineers as part of a large project involving approximately 50 team members.
• Conducting both manual and automated testing of PRO*C batches during the migration process.
• Verifying the integrity of the PostgreSQL database structure and data after the migration.
• Developing a Java-based test runner using TestNG to execute customer's Groovy tests through an SSH tunnel on remote AWS EC2 instances, enabling centralized test result collection.
• Configuring and implementing code coverage collection for PRO*C and Java batches, providing detailed reports for analysis.

Kharkiv, Ukraine

• Project: Development of the E2E credit scoring solutionKey Responsibilities:
• Collaborating within a team of 5 QA engineers as part of a 20-member project, utilizing Scrum methodology for effective project management.
• Conducting manual testing of a C# application for building credit score solutions from scratch.
• Verifying data validity and optimizing SQL queries performance on Microsoft SQL Server database.
• Performing testing of the project website using Python and Selenium WebDriver.
• Conducting API testing of the product using tools like Postman and cURL.

Kharkiv, Ukraine

• Project: HealthCare data analysis projectKey Responsibilities:
• Collaborating in a team of 4 QA engineers within a 10-member project.
• Performing initial data import into Informix databases and developing procedures for calculations and exporting results for testing.
• Writing and refactoring Shell scripts for data import/export to the database.
• Testing PDF reports using a Python-based test framework, validating calculated data and verifying the accuracy of points on visual graphs.
• Conducting post-deployment testing of reports on customer web-sites using Python and Robot Framework.

Kharkiv, Ukraine

• Project: Development of the open-source Chrome-based web-browserKey Responsibilities:
• Collaborating with a team of approximately 50 quality assurance engineers in a large-scale project.
• Working as part of a sub-team of 4 QA engineers responsible for testing network-related features.
• Acquire proficiency in Agile methodology and the system development lifecycle (SDLC).
• Conducting manual, exploratory, functional, regression, installation and localization testing.
• Performing API testing using tools such as Wireshark, Fiddler, Charlies and JMeter.

Kharkiv, Ukraine

• Key Responsibilities:
• Ensuring uniformity of measurements in Ukraine for the range from 1 mm to 1000 m.
• Verifying and calibration various length and optical measurement equipment.
• Developing calibration methods to enhance measurement accuracy and traceability.
• Researching modernization strategies for existing measurement standards.Key Achievements:
• Scientist-keeper of the "Secondary standard of length unit in the range of 24-1000 m",contributing to maintaining accurate measurements in Ukraine.

Kharkiv, Ukraine

Key Responsibilities:- Dived deep into verification and standardisation area.- Became familiar with various measurement techniques and standards.- Performed verifications of different length and optical measurement equipment.

Master'S Degree, Applied Economics

Thesis: "Economic-mathematical methods in project management of metrological expertise"

Education record

Internship at working group 5.42 "Multiwavelength Interferometry for Geodetic Lengths"

Master'S Degree, Radiophysicist

Thesis "Research on the possibility of controlling the energy parameters of slots in a waveguide using dielectric inserts"