Software engineer with 7+ years of experience building and deploying Flutter applications from the ground up, including AI-powered features. Experienced in delivering production-ready apps for iOS, Android, and Web, with a strong focus on clean architecture, scalability, and performance. Background in systems engineering and hands-on experience integrating AI services into real-world products.…

Yasir Guzmán

Software engineer with 7+ years of experience building and deploying Flutter applications from the ground up, including AI-powered features. Experienced in delivering production-ready apps for iOS, Android, and Web, with a strong focus on clean architecture, scalability, and performance. Background in systems engineering and hands-on experience integrating AI services into real-world products.…

Available to hire

Software engineer with 7+ years of experience building and deploying Flutter applications from the ground up, including AI-powered features. Experienced in delivering production-ready apps for iOS, Android, and Web, with a strong focus on clean architecture, scalability, and performance. Background in systems engineering and hands-on experience integrating AI services into real-world products.

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Language

Spanish; Castilian
Fluent
English
Fluent

Work Experience

Lead Developer & Co-Founder at Korner
January 1, 2021 - Present
Co-founded Korner and led the development of a soccer field reservations app. In the initial years I contributed hands-on as a backend and mobile developer using Ruby on Rails and Flutter, building scalable infrastructure and intuitive frontend interfaces. In the final year I transitioned to leading the development team, overseeing the product lifecycle and launching the Korner app on June 1. I also helped forge partnerships with soccer clubs and facilities and represented Korner at industry events and investor meetings to support funding. Most recently I built an AI-powered agent that automates pricing and marketing strategies to increase revenue for establishments.
Software Engineer at Chit Chats Express Inc.
September 1, 2021 - Present
Developed and maintained the Chit Chats web application using React and Ruby on Rails, ensuring high performance and responsiveness. Collaborated with cross-functional teams to define, design, and ship new features. Implemented and integrated AI solutions using Python to enhance functionality and efficiency. Conducted code reviews and identified bugs to improve overall system quality. Participated in the full software development lifecycle from concept to deployment. Optimized applications for speed and scalability, improving user experience and satisfaction. Built AI-powered solutions including a CS ChatBot and an AI Website Builder.
Backend Developer at Koombea
October 1, 2019 - September 30, 2021
Developed scalable and maintainable software components; integrated user-facing elements with server-side logic; designed and implemented data storage solutions; built reusable code and libraries for future use; ensured the quality of delivered applications and their code.
Backend Developer at DevelopmentPool
January 1, 2019 - October 31, 2021
Developed and maintained server-side logic, delivering robust APIs for seamless integration and ensuring high performance. Collaborated with frontend developers and project managers to deliver customized solutions for multiple client projects; optimized database queries to enhance efficiency.
Mobile Developer at Freelance
June 1, 2018 - November 30, 2019
Developed and maintained mobile applications using Flutter for a responsive user interface, while using Ruby on Rails as the backend to ensure a robust and scalable architecture.

Education

Bachelor’s degree in Systems Engineering at Universidad del Norte Barranquilla, Colombia
January 1, 2014 - January 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services