- Took full ownership of front-end development for the new Vibe product, delivering high-quality features.- Collaborated closely with back-end engineers, designers, and cross-functional teams.- Integrated unit tests to ensure code reliability and maintainability.

- Led a major rewrite of the codebase, transitioning it to TypeScript, resulting in a noticeable reduction in bugs and a significant increase in development efficiency, leading to smoother project workflows and improved developer productivity.- Established coding standards and developed reusable components using environment configuration, facilitating faster development cycles and enabling seamless scalability, thereby enhancing the long-term maintainability and adaptability of the software.- Took ownership of the new campaign overview dashboard project, providing clients with real-time campaign progress monitoring and access to key metrics, resulting in heightened client satisfaction and strengthened client relationships.- Implemented rigorous unit testing protocols, achieving a high test coverage rate, and significantly reducing post-release issues, thereby improving software quality and reliability.- Integrated Playwright within Jenkins CI/CD pipeline, automating UI testing procedures and minimizing manual effort, resulting in faster deployment cycles and improved overall efficiency in software delivery.

- Developed a Next.js app for all US citizens to search for nearby providers of antiviral flu medication, medfinder.org- Created a custom component library with React, styled-components, and Storybook, including packaging and publishing with Lerna and Rollup saving development time for almost 65 components and common utils functions.- Incorporated unit, integration, and snapshot testing using Jest, Cypress, and Chromatic to getting a 95% code coverage.- Set the ground for best practices by creating a custom and extendable ESLint npm package getting a 100% adoption from the UI library and the Next.js apps.- Contributed to [vaccines.gov](http://vaccines.gov/) fixing accessibility issues.

- Provided analysis about performance and recommended different solutions and gained a 300% faster build time and reduced by 200% the memory usage.- Delivered a new and rewritten guest booking workflow that loads 50% faster.- Planned a rewrite strategy for the current application selecting cutting edge technologies and architecture.- Gathered requirements and defined the new MVP with the Product and Design teams.- Started metrics, processes, methodologies, and dashboards to keep track of the progress and performance of the development team.

- Worked directly with some of the world's largest enterprises, including several fortune 500 companies.- Responsible for identifying the key requirements of a job and then selecting the best developer from Toptal's pool of talents.- Educated the sales team about various technologies (frontend technologies, protocols, VPNs) and helped to promote industry-standard certifications (such as React, React Native) within the Toptal talents' pool.- Developed a model of talent rate distribution over skills, time, and global geography to help guide/support the matchers' growth and the sales team's understanding regarding best-supported skills, supporting Toptal's best opportunities for growth.

- Collaborated with teams to launch more than 15 software applications utilising a variety ofprogramming languages including **React, Vue, and Angular.**- Worked closely with clients to understand their software requirements and offered suggestions for improvements.- Communicated complex technical concepts in a clear and concise manner to non-technical clients.- Demonstrated strong autonomy and effective time management skills to successfully meet project deadlines.

- Detected several pain points on the comments feature and rewrote the entire feature from scratch.- Provided analysis of performance and implemented solutions to speed up the canvas rendering time.

- Maintained and built the checkout process of Mercado Libre.- Delivered the cart feature and the redesign of the web application with Backbone.js.- Included PurifyCSS with Gulp to reduce the size of the project and delete the unused code.

- Developed the first digital bank in Argentina, used by millions of users nowadays. An alliance between PayPal and Banco Comafi Argentina ([www.tunubi.com](http://www.tunubi.com/))- Resolved communication problems between the design team and developers reducing delivery times.