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- Solved nearly 200 critical bugs within the first three months, including 80+ in the first month, significantly enhancing product stability and code quality- Contributed to the creation of new features, resolving longstanding technical debt and enhancing functionality.- Worked with React, React Redux, Tanstack Query, PostgreSQL, NestJS, and TailwindCSS, supporting the app’s scalability and performance.

- Led a team of 5 developers in the successful development and launch of a robust API service enabling a remittances payment platform, resulting in $6 million USD in weekly transactions across 5 regions.

- Spearheaded the design and development of a user-friendly client-facing dashboard application in under 1 month using Material UI and Next.js, streamlining access to financial transactions and boosting user adoption.- Led the design and development of Colombia's first cryptocurrency application on Ledger within a demanding 2-month timeframe.

- Spearheaded the complete overhaul of the wallet interface, prioritizing clear asset visibility, streamlined balance management, and efficient cryptocurrency transactions. This redesign resulted in a significant 2 million user increase (3 million to 5 million).- Delivered a functional crypto airdrop webpage within a tight deadline, leading the design process using Figma components and fostering collaboration for event success.- Integrated up to 46 tradable cryptocurrencies, enabling users to seamlessly trade, buy, and sell on the exchange through custom-built SVG charts for market trends and stats.- Reduced web application load time by over 90% by implementing caching strategies, refactoring legacy code components with React Context, and conducting A/B tests, improving user experience, engagement, and resource utilization.

- Mentored students in core frontend technologies (HTML, CSS, JavaScript, TypeScript, React.js), empowering them to build user interfaces and interactive web applications.- Achieved a 0% student dropout rate and an exceptional Net Promoter Score (NPS) of over 90 out of 100.- Additionally, equipped students with foundational knowledge in backend technologies (Node.js, Express.js, MySQL, MongoDB) for a holistic understanding of full-stack development.

- Co-founded Gramingo, developing the first comprehensive Spanish grammar, spelling, and style corrector, achieving rapid user growth of over 1,000 users in 3 months.- Led a developer team to build the company's core infrastructure using GCP for scalability and reliability, including secure authentication, data storage, and efficient database management.- Developed a user-friendly and responsive web application for Gramingo's services using React.js.- Championed cross-functional initiatives, overseeing design and marketing efforts across various platforms, demonstrating well-rounded leadership and business acumen