I am a Mobile Developer specialized in Flutter/Dart with over 4 years of experience building scalable and maintainable iOS and Android applications. I have a strong expertise in Clean Architecture, state management patterns like Bloc and Provider, and integrating APIs and cloud services. I enjoy working in fast-growing startups and freelance projects across multiple industries. I have advanced English proficiency and a strong focus on coding best practices such as SOLID principles and CI/CD pipelines. I am passionate about mentoring junior developers and collaborating effectively with product and backend teams to deliver high-quality mobile applications.

Jonathan Loboguerrero Guerrero

I am a Mobile Developer specialized in Flutter/Dart with over 4 years of experience building scalable and maintainable iOS and Android applications. I have a strong expertise in Clean Architecture, state management patterns like Bloc and Provider, and integrating APIs and cloud services. I enjoy working in fast-growing startups and freelance projects across multiple industries. I have advanced English proficiency and a strong focus on coding best practices such as SOLID principles and CI/CD pipelines. I am passionate about mentoring junior developers and collaborating effectively with product and backend teams to deliver high-quality mobile applications.

Available to hire

I am a Mobile Developer specialized in Flutter/Dart with over 4 years of experience building scalable and maintainable iOS and Android applications. I have a strong expertise in Clean Architecture, state management patterns like Bloc and Provider, and integrating APIs and cloud services. I enjoy working in fast-growing startups and freelance projects across multiple industries.

I have advanced English proficiency and a strong focus on coding best practices such as SOLID principles and CI/CD pipelines. I am passionate about mentoring junior developers and collaborating effectively with product and backend teams to deliver high-quality mobile applications.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Spanish; Castilian
Fluent

Work Experience

Mobile Flutter Developer at Tul
June 1, 2021 - Present
Developed and maintained an application with over 500K downloads, improving the purchasing experience for businesses in Latin America. Implemented Clean Architecture and Bloc/Provider state management, enhancing code maintainability and scalability. Integrated services such as CleverTap and Segment to boost analytics and user engagement. Reviewed pull requests and mentored junior developers, collaborating with product and backend teams for new features.
Fullstack Developer at Data & Business
May 31, 2021 - July 25, 2025
Developed web platforms using PHP7, JavaScript, HTML5, and CSS to optimize digital marketing processes for the automotive sector. Implemented Elasticsearch and Kibana for large-scale data analysis. Managed Linux servers, DNS/VPN configurations, and on-premise deployments. Integrated Bitrix24 CRM with internal systems.
Freelance Mobile Developer at Soluciones Auditivas
February 28, 2021 - July 25, 2025
Built a cross-platform app (Android/iOS) to measure hearing loss using Flutter. Integrated SQLite, advanced animations, and Firebase for data storage and notifications. Designed accessible and user-friendly UX/UI for non-technical users.
Systems Administrator at IP Consultores S.A.S.
June 30, 2020 - July 25, 2025
Managed IT infrastructure for a German institute including Debian/Ubuntu servers, Xen virtualization, and PBX Asterisk. Monitored network and security using Packetbeat, Filebeat, Metricbeat, and Cloudflare. Coordinated development projects and provided advanced technical support.
Mobile Flutter Developer at Tul
June 1, 2021 - Present
Developed and maintained a Flutter application with over 500,000 downloads to improve purchasing experiences for Latin American businesses. Applied Clean Architecture and state management patterns like Bloc and Provider to enhance code maintainability and scalability. Integrated CleverTap and Segment services to boost analytics and user engagement. Reviewed pull requests, mentored junior developers, and coordinated feature development with product and backend teams.
Fullstack Developer at Data & Business
May 31, 2021 - August 6, 2025
Created web platforms using PHP7, JavaScript, HTML5, and CSS to optimize digital marketing in the automotive sector. Implemented Elasticsearch and Kibana for large-scale data analysis. Managed Linux servers, DNS and VPN configurations, and on-premise deployments. Integrated Bitrix24 CRM with internal systems to improve operational workflows.
Freelance Mobile Developer at Soluciones Auditivas
February 28, 2021 - August 6, 2025
Built a cross-platform app using Flutter for measuring hearing loss. Integrated SQLite for local data storage, added advanced animations, and used Firebase for notifications and cloud storage. Designed accessible and user-friendly UX/UI tailored for non-technical users.
Systems Administrator at IP Consultores S.A.S.
June 30, 2020 - August 6, 2025
Managed IT infrastructure for a German institute including Debian/Ubuntu servers, Xen virtualization, and PBX Asterisk. Monitored network and security using Packetbeat, Filebeat, Metricbeat, and Cloudflare. Coordinated development projects and provided advanced technical support to users.

Education

Electronic Engineer at Universidad Simón Bolívar (USB)
January 1, 2014 - December 31, 2018
Electronic Engineer at Universidad Simón Bolívar (USB)
January 11, 2030 - August 6, 2025

Qualifications

Advanced Flutter & Animations, Fernando Herrera (Udemy)
January 11, 2030 - July 25, 2025
Flutter BloC and Clean Architecture, Tiberiu Potec (Udemy)
January 11, 2030 - July 25, 2025
CS50’s Mobile App Development with React Native, HarvardX
January 11, 2030 - July 25, 2025
SOLID Principles & Clean Code, Fernando Herrera (Udemy)
January 11, 2030 - July 25, 2025
Flutter Web, Fernando Herrera (Udemy)
January 11, 2030 - July 25, 2025
Dart, Fernando Herrera (Udemy)
January 11, 2030 - July 25, 2025
Advanced Flutter & Animations, Fernando Herrera (Udemy)
January 11, 2030 - August 6, 2025
Flutter BloC and Clean Architecture, Tiberiu Potec (Udemy)
January 11, 2030 - August 6, 2025
CS50’s Mobile App Development with React Native, HarvardX
January 11, 2030 - August 6, 2025
SOLID Principles & Clean Code, Fernando Herrera (Udemy)
January 11, 2030 - August 6, 2025
Flutter Web, Fernando Herrera (Udemy)
January 11, 2030 - August 6, 2025
Dart, Fernando Herrera (Udemy)
January 11, 2030 - August 6, 2025

Industry Experience

Real Estate & Construction, Software & Internet, Manufacturing, Professional Services, Transportation & Logistics, Retail