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Valentin Galfre

Sr. Software Engineer @ Mercado Libre 🧑‍💻🚀

Santa Fe, Santa Fe

Overview 

Valentin Galfre is a Senior Software Engineer at Mercado Libre, with expertise in TypeScript, Next.js, React.js, and AWS services. He has held leadership roles and made significant contributions at Crombie, Sublytics, and Fiverr, showcasing strong problem-solving skills and teamwork abilities throughout his career.

Work Experience 

  • Senior Software Engineer

    2024 - Current

    I drive technical evolution and innovation in Mercado Libre’s frontend, leading strategic initiatives in system architecture, optimization, and the adoption of new web technologies. I foster excellence and collaboration to build cutting‑edge solutions 🛍️ ➜ I lead the design of modern, scalable, high‑performance software architectures. ➜ I spearhead optimization projects, improving efficiency and user experience. ➜ I actively promote the adoption of new technologies and development best practices. ➜ I design robust, scalable systems, applying infrastructure knowledge to ensure optimal operation and growth.

  • Software Technical Leader

    2023 - 2024

    I led development teams building high‑quality applications. I fostered a culture of collaboration and innovation. We delivered successful projects on time and within budget 🧑‍🏫 ➜ Led development teams of up to 8 people. ➜ Implemented application‑performance improvements, achieving a 40 % efficiency increase. ➜ Fostered a culture of collaboration and innovation within the team. ➜ Ensured the delivery of successful projects on time and within budget.

  • Senior Software Engineer

    2022 - 2023

    I developed and maintained web applications, implemented new features, resolved issues, and ensured client requirements were met—enhancing software quality and functionality 👨🏻‍💻 ➜ Troubleshot issues and refactored code, reducing production errors. ➜ Ensured client requirements were met, achieving 95 % satisfaction. ➜ Optimized processes, cutting implementation times by 50 %. ➜ Managed continuous integration and deployment, improving team efficiency. ➜ Mentored new developers, boosting their onboarding and performance.

  • Software Engineer

    2022 - 2022

    I developed and implemented web interfaces, collaborating with design and development teams to deliver visually appealing and functional products. I resolved application issues, laying a solid foundation for my frontend‑development career 🚀 ➜ Collaborated with UX/UI teams to ensure visual and functional consistency across products. ➜ Improved web‑application performance and stability by 60 %. ➜ Contributed to the creation of reusable components, boosting development efficiency. ➜ Documented processes and workflows, facilitating maintenance and future enhancements. ➜ Collaborated on the integration of new technologies and tools to enhance frontend development.

  • Software Engineer

    2022 - 2023

    I worked remotely, collaborating with a global team of developers. I leveraged diverse technologies and adhered to development best practices—such as unit testing, continuous integration, and strong security measures—to ensure our product was of the highest quality ⚡ ➜ Successfully implemented real‑time APIs with AWS AppSync and AWS DynamoDB. ➜ Built infrastructure as code using AWS CloudFormation. ➜ Contributed to design decisions that improved software architecture. ➜ Implemented unit tests with 80 %+ coverage. ➜ Ensured final products met the highest quality standards.

  • Software Engineer

    2020 - 2021

    I worked on diverse projects for various clients, developing and maintaining applications with multiple technologies. I successfully commercialized several projects and websites for small businesses, helping them expand their online presence. ➜ Developed and maintained web applications for a variety of clients. ➜ Commercialized projects and websites for small businesses. ➜ Helped small businesses grow their online presence. ➜ Implemented customized solutions to meet each client’s specific needs. ➜ Ensured high‑quality, on‑time project delivery.

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