Ivan Coric

At begging it was outsourcing QA company with 7 persons working at peak, now it is my place to write blogs and my legal entity for b2b contracts with employers.

Lead QA for BestWallet, a multi-chain self-custody crypto wallet, ensuring reliability of onboarding, transaction signing, swaps, asset management, RPC integration, and fiat on/off-ramp flows. Designed and executed automated tests (Appium, API, backend) covering core wallet flows, transaction lifecycles, and regression packs. Advocated and contributed to Appium-based mobile automation, evaluating long-term UI automation strategy for iOS/Android. Performed comprehensive REST API validation, error handling scenarios, cross-environment testing, and backend integration checks for high-throughput systems.

Designed and implemented a scalable end-to-end integration testing framework using Playwright, WireMock, and a custom state-machine-based data seeding system. Focused on user journeys (e.g., FX trades, card issuing, batch payments), validating multi-role workflows across account tiers and currency configurations. Developed robust REST API and UI test automation, integrated into GitLab CI/CD, with full Jira/Xray traceability and release readiness reporting. Collaborated with product, DevOps, and backend teams to enforce test gates and maintain quality in agile SDLC.

• Leading P2P payment project (p2p.bitfinex.com/) with QA team, collaborated with cross-functional teams to develop and implement targeted solutions for identified quality issues, ensuring continuous improvement • Testing on demand social network pulse, payment card integration, • Main trading app manual (web and mobile) testing of trading functionalities, allocating regression tests among colleagues, following change-log testing, writing automation scripts in Cypress JS(creating automation frameworks from scratch with colleagues) , writing nodeJS and Postman scripts for API testing

Founded and scaled QA function for Web3 and DeFi startups (e.g., PayFluent, Hinata.io, Parasum, GosutoWallet, SplinterWallet, Friendly.market). Defined and executed automated tests and manual QA strategies for wallet creation, staking, NFT minting, and token transfers. Collaborated with cross-functional teams to implement solutions for smart contract validation, wallet key management, and node-level RPC integrity. Hired and led a 7-member QA team, fostering a culture of innovation, ownership, and knowledge-sharing across 10+ projects. Delivered clear documentation, Test Strategies, sprint metrics, and regression reports to influence roadmap Test Plan and product leadership decisions. Prioritized QA strategies that addressed responsive design, accessibility, and mobile-first challenges in dApp ecosystems.

• Work on outsource project Poly (Plantronics) today’s HP; • Doing manual API testing with Postman and automation testing with Selenium Python • Manual regression testing of firmware - software - hardware relationship: headphone sound, mic, firmware update via mobile app, call center admin apps control over devices, testing mobile app push notifications;

• Work on project: webstation platform (Bloomberg Terminal alternative), testing mobile apps (crypto portfolio) • Testing standalone chart, (tradingview alternative) calculating indicators formulas and graphs displays • Testing iOS and Android native apps, together with price widgets and smartwatch app extensions

• Learning from other QAs how to report bugs, how to do regression testing, how to maintain and update test plans and test steps • Learning Jmeter performance testing to ensure application can handle expected growth of users in feature • Experimenting with various types of E2E automation testing, and learning Selenium with Java