Yosuan Crespo

• Architect QA strategy for a Web3, cryptocurrency platform. Validate smart contracts for Decentralized Applications (DApps) on Ethereum, Solana, BSC and other blockchains, performing crypto-transaction testing and vulnerability assessments using Python.

• Develop test suites (E2E, functional, exploratory, UAT, usability, accessibility, database (SQL, NoSQL), security) for React.

• Led the QA team of 4+ engineers by defining a comprehensive QA strategy, encompassing Manual and Automation testing, within an Agile (Scrum, Kanban) framework to increase test coverage. Managed full Defect Management lifecycle in Jira, Confluence and Zephyr, foster collaboration and mentor team members.

• Designed & executed comprehensive test suites through functional, end-to-end, manual.

• Led the team, defining and executing a comprehensive test strategy (Manual & Automated) while simultaneously overseeing project execution within an Agile framework, for the integration with the Bitcoin network and DeFi applications.

• Implemented full-stack automation integrated into Azure and mentored QA Engineers, reducing critical bugs in production by 35% and accelerating release cycles.

• Pioneered Web3 adoption in real estate by spearheading regional management and business development for Rentible, a cutting-edge platform facilitating crypto-based property rentals via smart contracts.

• Represented Rentible at The Capital 2022 Metaverse Conference (CoinMarketCap), generating 10+ high-value leads and expanding brand visibility in the crypto ecosystem.

• Acted as QA Engineer and Architect, Product Owner, Project Manager and Business Analyst, shaping end-to-end test strategy and ensuring alignment with product roadmaps.

• Led a cross-functional QA team of 4+ engineers, embedding Scrum, Kanban, TDD and BDD practices that increased automated test coverage to 90% and slashed regression cycles by 50%.

• Delivered QA and project management services for 8 clients across fintech, e-commerce, healthcare and SaaS, reducing critical defects by 50% and accelerating release cycles by 40% in average.

• Defined and validated functional requirements for the national real-estate portal and agency websites, writing and executing test plans to ensure 100% coverage.

• Managed office network infrastructure, provided support and maintained a high availability of internal systems.

• Led student teams as Project Manager for significant academic software projects within the university environment.

• Managed the development lifecycle of a Medical Genetics Computer System (PHP, Symfony) designed to manage patient data for genetic diseases.

• Served as Project Manager for EPIGEN.

Grade: Summa Cum Laude

Summa Cum Laude

Tested multiple software as a member of the Quality Assurance team to deliver the product to the end client.