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Systems and Computer Engineer from Universidad de los Andes with experience in software development, data analysis, and applied artificial intelligence. I specialize in designing, developing, and evaluating technological systems using Python, Java, JavaScript, TypeScript, and SQL, both in web and mobile environments. I have strong analytical and problem-solving skills, particularly in code evaluation, debugging, algorithm optimization, and technical documentation.…Systems and Computer Engineer from Universidad de los Andes with experience in software development, data analysis, and applied artificial intelligence. I specialize in designing, developing, and evaluating technological systems using Python, Java, JavaScript, TypeScript, and SQL, both in web and mobile environments. I have strong analytical and problem-solving skills, particularly in code evaluation, debugging, algorithm optimization, and technical documentation.

Juan Jose Sierra Alarcon

Web Developer, App Developer, AI Engineer, +4

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Systems and Computer Engineer from Universidad de los Andes with experience in software development, data analysis, and applied artificial intelligence. I specialize in designing, developing, and evaluating technological systems using Python, Java, JavaScript, TypeScript, and SQL, both in web and mobile environments. I have strong analytical and problem-solving skills, particularly in code evaluation, debugging, algorithm optimization, and technical documentation.…Systems and Computer Engineer from Universidad de los Andes with experience in software development, data analysis, and applied artificial intelligence. I specialize in designing, developing, and evaluating technological systems using Python, Java, JavaScript, TypeScript, and SQL, both in web and mobile environments. I have strong analytical and problem-solving skills, particularly in code evaluation, debugging, algorithm optimization, and technical documentation.

Available to hire

Systems and Computer Engineer from Universidad de los Andes with experience in software development, data analysis, and applied artificial intelligence. I specialize in designing, developing, and evaluating technological systems using Python, Java, JavaScript, TypeScript, and SQL, both in web and mobile environments. I have strong analytical and problem-solving skills, particularly in code evaluation, debugging, algorithm optimization, and technical documentation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

React & Python Web Platform Developer at Universidad de los Andes, Bogotá, Colombia

February 1, 2025 - May 1, 2025

Developed a React-based web platform for scientific dissemination and project management; contributed to architecture, implementation and deployment on Google Cloud; automated content management using SQL databases; enhanced user experience and deployment.

Web Developer at Laboratorio Colivri

February 1, 2025 - Present

Designed and built a React platform focused on scientific dissemination. The website included information about ongoing projects, the research team, and events at the laboratory. This work consolidated the laboratory's digital presence in a single site, enhancing communication and visibility of its activities.

Backend Developer at Universidad de los Andes

December 31, 2024 - September 4, 2025

Collaborated on designing security and support testing aspects of an application aimed at the healthcare sector. Programmed the database and backend necessary to ensure secure information storage and deployed the application on Google Cloud for production implementation.

Security & Testing Engineer (Academic Project) at Universidad de los Andes, Bogotá, Colombia

September 1, 2024 - December 1, 2024

Designed security aspects and conducted testing for a web application; developed database and backend systems to ensure secure information storage; deployed on Google Cloud.

Full Stack Developer / Team Member at Universidad de los Andes

May 31, 2024 - September 4, 2025

Part of a team that developed a digital platform focused on supporting people interested in home gardening. The React application offered features such as planting calendars, practical care tips, and interactive guides for users. The project was recognized as the best website of the course thanks to its quality, user experience, and innovative design.

Mobile Application Developer at Universidad de los Andes

May 31, 2023 - September 4, 2025

Developed a mobile application in Kotlin facilitating the purchase, sale, and exchange of academic supplies among university students. Implemented integration with Firebase for data storage and management, ensuring a smooth user experience.

Mobile App Developer (Kotlin) at Universidad de los Andes, Bogotá, Colombia

March 2, 2023 - May 2, 2023

Contributed to the creation of a mobile application to facilitate the purchase, sale, and exchange of academic supplies among university students; implemented Firebase integration for data storage and management.

Software Developer (Academic Project) at Universidad de los Andes, Bogotá, Colombia

March 2, 2023 - May 2, 2023

Developed a digital platform focused on home gardening using React; features include planting calendars, practical care tips, and interactive guides. Implemented architecture and deployment on Google Cloud; participated in project management and delivered a user-friendly interface; recognized as the course's best website.