Sergio Naranjo Puentes
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Software Engineer
Medellín, Antioquia, Colombia
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Senior Frontend DeveloperYipitDataMay 2025 - Current (1 year 6 months)- Software Developer public Remote experienceHello BuildAug 2022 - Current (4 years 3 months)- Develop UI for salesforce with Lightning web components
- Senior Frontend DeveloperDataScopeioMar 2023 - Jun 2025 (2 years 4 months)- Led the migration of the frontend from Ruby on Rails to React, reducing development time and improving code maintainability. - Proposed and developed a design system, consolidating over 20 reusable components, accelerating feature development by 40%. - Managed critical dependency updates in React, reducing security vulnerabilities and ensuring compatibility with new versions. - Led the design and implementation of multiple features, impacting over 5,000 monthly active users. - Created key documentation on code standards, bug reports, feature requests, and onboarding guides, reducing developer ramp-up time. - Refactored core features, applying best practices in React and TypeScript to improve performance and maintainability. - Designed and
- AFull Stack DeveloperAppspringFeb 2021 - May 2022 (1 year 4 months)I worked on different projects including: Arable: US startup in the AgTech field that uses machine learning and IoT - Development of frontend components with Angular. - Migration of old components to new logic and new versions of angular. - Bug fixes and styles modification (SASS). Phenotips: Canadian Startup in the field of Medical Genetics - Development of new frontend components for a questionnaire made with react. - Update and migration of code for the use of React Hooks. - Design of UI components. - Development of custom components to be able to answer special types of questions with multiple answers. Show less
- Software Developer public Remote experienceAppspring TechnologiesFeb 2021 - Apr 2022 (1 year 3 months)- Development of different components for an online questionnaire made with React. Fixing and debugging old code and components. Migrating legacy React code to new React hooks.
- Development of MVPs using various technologies such as React, Vue, Node.js, Express, Raven DB, MongoDB.
- Development of web dashboard for Agrotech company using Angular (Typescript) together with Sass for the implementation of styles. - Frontend DeveloperACI WorldwideJan 2020 - Dec 2020 (1 year)I designed the UI and developed an MVP for an Online Banking App: - Developed MVP frontend with React.js using Hooks and Context API. - Developed a middleware with Node.js that handled the authentication and endpoint use against a sandbox API. - Deployed the solution on AWS instances.
- SOFTWARE DEVELOPERACI WorldwideJan 2020 - Aug 2020 (8 months)- UI design and web services development.
- Web application development with React.js.
- Backend features development with Node.js.
- Deployment of solutions on AWS instances.
- Management and connection to documentary databases such as Mongo DB.
- Development of MVPs for International Clients - TEACHING ASSISTANTUniversidad de los AndesJan 2018 - Dec 2019 (2 years)- Responsible for the creation of presentations, classes and activities, also grade class work.
- Help students with questions about software development.
Education
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- LMASTER IN HIGH-PERFORMANCE WEB PROGRAMINGLaSalle BCN BarcelonaSep 2021 - Aug 2022 (1 year)
- master, Master's degree, High Performance Web ProgrammingLa Salle BCNJan 2021 - Jan 2022 (1 year 1 month)
- BSC COMPUTER SCIENCEUniversidad de los AndesAug 2016 - Jan 2020 (3 years 6 months)
- bachelor, Bachelor's Degree, Systems EngineeringUniversidad de los Andes - ColombiaJan 2016 - Jan 2020 (4 years 1 month)