kseniyas

Led QA validation of integrated features, ensuring correctness of wallet operations and transaction flows. Defined test strategy and created test plans and test cases in Xray, using AI tools (Cursor, Rovo) to optimize test design and coverage. Validated full implementation of EVM-based currencies and tokens (ETH, ERC20, ERC721). Tested smart contract interactions, including ABI verification, transaction payload (hex) validation, smart contract deployment and message signing. Performed end-to-end validation of wallet functionalities, including transactions, onboarding flows, and DApp interactions. Led validation of a new hardware device, ensuring full wallet compatibility and functionality. Contributed to validation of additional networks (Polygon, BNB Chain). Worked with Bitcoin transactions (including UTXO consolidation) and supported regression testing for Ripple, Tezos (staking), Stellar, and Litecoin. Executed API testing using Postman and internal CLI tool with predefined manifests for efficient test data setup and environment control. Collaborated closely with developers and product teams to ensure accurate implementation of new features. Participated in production issue investigation and debugging.

Performed functional and API testing of payment system with focus on transaction reliability. Designed test cases and ensured quality of financial flows. Collaborated with developers on defect resolution. Participated in release validation and regression testing.

Performed functional and cross-browser testing. Created and executed test plans, test cases. Identified and documented defects. Participated in Agile development processes.