Олексій

Oleksii Pliukhin
Ukraine [open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) in/oleksii-pliukhin-740a091b0

SUMMARY
Highly experienced QA Engineer with ~5 years of hands-on experience in software quality assurance across Web, API, and blockchain-based
systems. Strong background in testing data processing pipelines, ensuring accurate data flow from blockchain ledgers into internal databases, and
validating complex backend integrations.
Proficient in designing and executing test cases, building structured test strategies, and delivering detailed defect reports to support high-quality
releases. Experienced in API testing, database validation (SQL/BigQuery), and smart contract verification across multiple blockchain networks
including Ethereum, Polygon, Solana, and Avalanche.
Solid understanding of SDLC, STLC, and Agile methodologies with a strong focus on collaboration within cross-functional engineering teams.
Known for a detail-oriented approach, structured thinking, and ability to ensure system reliability in complex distributed environments.

EXPERIENCE
Middle Manual QA
Dev.Pro Jul 2023 - Present, None
• Validated integrations between multiple services and ensured accurate data flow from blockchain ledgers into internal databases within a Data
Processing team
• Tested smart contracts and verified blockchain transaction processing across different networks and integrations
• Performed data validation and integrity checks across various database systems to ensure consistency and reliability
• Tested, monitored, and supported multiple API services, including backend integrations and data synchronization flows
• Collaborated with backend and data engineering teams to investigate issues, validate fixes, and improve overall stabilityCollaboratedty
collaborated with cross-functional teams to design and execute comprehensive test plans, resulting in a 15% reduction in critical bugs.
QA Curator
Projector Institute Feb 2023 - Oct 2023, Киев, Украина
• Webinars for students
• Help to master the course material
• Checking homework
• Preparation for an interview.
• Prepared students for technical interviews by providing targeted feedback on homework assignments and course material comprehension of
course material.
Middle Manual QA
B2B Soft Jun 2022 - Aug 2023, Киев, Украина
• Testing web and desktop applications
• Creation, and maintenance of well- structured Test Documentation
• Requirements analysis task
• Test Execution, tracking and analyzing test results
• Working with API and MSQL Server
• Demo in English for product managers.
• Validated API requests and MSQL Server database integrity for web and desktop applications, ensuring data accuracy and consistent performance.
Trainer
Login IT Feb 2022 - Sep 2022, Киев, Украина
• QA Engineer
• EVO Web and mobile testing
• Mentoring of Junior QA engineers
• Interviewing QA candidates
• Creation and management of well-structured Test Documentation.
• Mentored junior QA engineers on testing methodologies and best practices, enhancing team skill sets and knowledge transfer within the
department.
Quality Assurance Tester
SANNACODE May 2020 - Dec 2020, None
• Junior QA engineer.

EDUCATION
Бакалавр, Инженерное проектирование
Prydniprovska State Academy of Civil Engineering and Architecture • None • 2015
• None.

COURSEWORK
Тестирование/ Quality Assurance
None • Feb 2020 - May 2020 • None
• None.

INVOLVEMENT
QA Education Mentor
Ukraine, Dnipro • Banza • Sep 2024 - Present
• As a QA Education Mentor at Banza, I was responsible for mentoring and guiding junior QA engineers through structured learning programs
focused on software testing fundamentals and practical application. I supported students in understanding core QA concepts including SDLC,
STLC, test case design, bug reporting, and Agile methodologies, ensuring they could apply theoretical knowledge in real-world scenarios.
QA Education Mentor
None • Dev.Pro • Jul 2023 - Present
QA Education Mentor
None • GoIT - start your career in IT • Dec 2022 - Present
• Assistance with the development of the material covered
• Checking homework.
Education Mentor
None • Компьютерная школа Hillel (IT School) • Oct 2021 - Feb 2023
• Teaching the basics and methodologies of testing
• Preparing for an interview
• Help each student individually.

SKILLS
Manual Testing, API Testing, Automation Testing, Regression and Smoke Testing, Functional, Integration and End-to-End Testing, Smart Contract
and Blockchain Testing. Strong experience in SQL and BigQuery for data validation, working with relational and analytical databases, and ensuring
data integrity across systems. Proficient in REST API testing using tools like Postman, with hands-on experience in backend and integration testing.
Familiar with tools and technologies such as GitHub, Jira, and Agile/Scrum methodologies, as well as test case design, bug reporting, and QA
documentation practices. Experience working with CI/CD pipelines and automation frameworks including Python (requests/httpx)
Additional experience includes working with blockchain ecosystems such as Ethereum, Polygon, Solana, and Avalanche, focusing on transaction
validation, smart contract verification, and data processing workflows. Comfortable with JSON/XML structures, Linux environments, and cross-
system data flows in complex distributed systems.