JG

Juan Gabriel Espinoza

Frontend Developer | React | Redux | TypeScript | GraphQL | Next.js

Argentina

Overview 

Juan Gabriel Espinoza is a Frontend Developer with expertise in React, Redux, TypeScript, GraphQL, and Next.js, currently working at Globant. He has a strong background in software development, having previously held roles at Valtech and Scale AI, showcasing his proficiency in web development technologies and frameworks. Juan's career highlights include his experience working at reputable companies like Globant and Scale AI, where he honed his skills in frontend development and software development, and his proficiency in a wide range of technologies such as React, Redux, GraphQL, and Next.js.

Work Experience 

G

Globant

  • Frontend Developer

    2024 - Current

V

Valtech

  • Frontend Developer

    2021 - 2024

    • Contributed to the back-office development of a wallet from Panama, implementing key features such as user management, virtual card tracking, and secure login/logout systems using React, Next.js, and TypeScript. • Engaged in the development of a leading telecommunications and media company in Mexico, focusing on satellite TV, mobile plans, and internet services. Utilized React, Next.js, TypeScript, MaterialUI, XState, and NX within a large-scale mono repo architecture to create and maintain shared components across web and mobile applications. • Developed and maintained frontend components for a leading provider of RF and microwave components. Worked with Adobe AEM, JavaScript, and jQuery to improve the checkout pay flow, fix existing components, and implement content changes. Reached the MVP stage with the project, leading to a 40% increase in traffic. Provided demos to showcase the fixes and improvements, ensuring the client’s requirements were met effectively. • Provided technical support and guidance to new team members, assisting them with environment setup and project workflow.

SA

Scale AI

  • Software Developer

    2023 - 2023

    • Reviewed and corrected code written in JavaScript, React, HTML5, and Python, utilizing libraries such as Matplotlib, Pandas, and PyTorch. Focused on algorithms and data structures, particularly in the context of training LLMs through human reinforcement learning. • Collaborated closely with other team members to ensure code quality and consistency across projects. Assisted in onboarding new team members and participated in war rooms to troubleshoot and resolve critical issues during project rollouts.

Scale AI provides a data-oriented platform that assists in the development of AI applications.

Raised $2,602,620,000.00 from WCM Investment Management, Meta, Wellington Management, Y Combinator, Intel Capital, DFJ Growth, NVIDIA, Nat Friedman, Thrive Capital and Qualcomm Ventures.

scale.com

Rodamientos Misiones SA

  • Software Developer Intern

    2021 - 2021

    • Utilized HTML, CSS, and JavaScript to develop and re-design an engaging, interactive, and intuitive company website. • Built and optimized customer-facing website with a 95% customer satisfaction and an average 5% increase in sales due to improved functionalities and reducing page loading times. • Incorporated responsive web design techniques to ensure company website optimization for mobile and desktop viewing. • Developed and tested company website to ensure a high level of accessibility, scalability and browser compatibility.

Education 

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