Дмитрий Кузнецов

● Developed and maintained test suites for backend, API, and smart contract functionality
● Built reusable test scripts, reducing test preparation time by 40%
● Designed and executed test cases for fintech-related systems, validating business logic and transaction flows
● Expanded regression test coverage and supported automation efforts to improve release stability
● Standardized QA processes

● Performed backend, API, and UI testing for data analytics and BI systems
● Participated in test automation activities using JavaScript (Playwright/WebdriverIO) for UI and API testing
● Created SQL-based test scripts to validate complex data transformations and aggregations in MS SQL Server
● Validated data pipelines (ETL processes), ensuring accuracy and consistency across source-to-target fl

● Automated data validation processes, reducing manual testing effort and improving efficiency
● Tested end-to-end data pipelines (Source → Target), validating transformation logic and data integrity
● Designed test cases for data completeness, accuracy, and performance
● Performed root cause analysis of data issues and improved data quality
● Created source-to-target mapping documentation for

● Tested Web3 applications including NFT marketplace, staking, farming, and crypto exchange platform
● Performed smart contract testing, validating transaction flows and on-chain logic
● Conducted backend and API testing for blockchain-based systems
● Created test documentation (test plans, test cases, checklists) to support structured QA processes
● Introduced load testing to validate system

● Tested NFT marketplace on Ethereum, including minting, listing, and transaction validation
● Performed smart contract and backend testing, ensuring correctness of on-chain interactions
● Validated database integrity using SQL queries
● Created test documentation including test cases, test plans, and test scripts