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I am German Lopez Frezza, an independent mobile and web developer based in Buenos Aires. I own end-to-end product development, from ideation and design to implementation, launch, and continuous improvements, with a strong focus on delivering delightful user experiences. My apps have been published on the App Store and Google Play, and I continuously iterate based on real user feedback. I've worked across freelance and corporate roles, building solutions with Flutter, PHP, Python, and cloud services, and I enjoy collaborating with cross-functional teams to solve real problems. I’m always learning new technologies and improving processes to help products grow.…I am German Lopez Frezza, an independent mobile and web developer based in Buenos Aires. I own end-to-end product development, from ideation and design to implementation, launch, and continuous improvements, with a strong focus on delivering delightful user experiences. My apps have been published on the App Store and Google Play, and I continuously iterate based on real user feedback. I've worked across freelance and corporate roles, building solutions with Flutter, PHP, Python, and cloud services, and I enjoy collaborating with cross-functional teams to solve real problems. I’m always learning new technologies and improving processes to help products grow.

German Lopez Frezza

PRO

Web Developer, Full Stack Developer, App Developer, +2

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I am German Lopez Frezza, an independent mobile and web developer based in Buenos Aires. I own end-to-end product development, from ideation and design to implementation, launch, and continuous improvements, with a strong focus on delivering delightful user experiences. My apps have been published on the App Store and Google Play, and I continuously iterate based on real user feedback. I've worked across freelance and corporate roles, building solutions with Flutter, PHP, Python, and cloud services, and I enjoy collaborating with cross-functional teams to solve real problems. I’m always learning new technologies and improving processes to help products grow.…I am German Lopez Frezza, an independent mobile and web developer based in Buenos Aires. I own end-to-end product development, from ideation and design to implementation, launch, and continuous improvements, with a strong focus on delivering delightful user experiences. My apps have been published on the App Store and Google Play, and I continuously iterate based on real user feedback. I've worked across freelance and corporate roles, building solutions with Flutter, PHP, Python, and cloud services, and I enjoy collaborating with cross-functional teams to solve real problems. I’m always learning new technologies and improving processes to help products grow.

Available to hire

Buenos Aires, Argentina

I am German Lopez Frezza, an independent mobile and web developer based in Buenos Aires. I own end-to-end product development, from ideation and design to implementation, launch, and continuous improvements, with a strong focus on delivering delightful user experiences. My apps have been published on the App Store and Google Play, and I continuously iterate based on real user feedback.

I’ve worked across freelance and corporate roles, building solutions with Flutter, PHP, Python, and cloud services, and I enjoy collaborating with cross-functional teams to solve real problems. I’m always learning new technologies and improving processes to help products grow.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

Italian

Intermediate

English

Fluent

Work Experience

Independent Developer at Owee Split

July 1, 2025 - Present

Founder and developer of Owee Split, a mobile app that helps friends and groups split expenses in a simple, frictionless way. Led end-to-end product development from ideation and design through development, launch, and ongoing improvements. App published on the App Store and Google Play; strong focus on user experience and iterative improvements based on real user feedback. Tech stack includes Flutter, Firebase, Laravel, and Astro.

Freelance PHP Developer at Self-employed / Freelance

August 1, 2019 - Present

Maintenance of websites; bug fixing; feature enhancements and development of new functionalities. Tools: PHP, JavaScript, HTML5, Bootstrap, MySQL.

Specialist at Accenture

September 1, 2017 - May 31, 2020

Process enhancement – SAP and Excel automation; Python and HTML5 scripts; development of a new payout calculation process; onboarding training for Upstream activities; led Joint Venture team (15 members).

Team Leader

January 1, 2014 - August 31, 2017

Project execution and control (8 members); SAP T-Code enhancement; testing of T-Code functionality; automation of project processes in Python & VBA; Subject Matter Expert activities (Revenue); financial impacts review.

Ssr Business Analyst

February 1, 2013 - January 31, 2014

Oil & Gas revenue accounting activities; closing activities; financial reports; account reconciliation; master data analysis.

Ssr Business Analyst at IBM

July 1, 2012 - August 31, 2013

Oil & Gas revenue accounting activities; closing activities; financial reports; account reconciliation; master data analysis.

Business Analyst at Gas Natural BAN

August 1, 2011 - June 30, 2012

Oil & Gas revenue accounting activities; closing activities; financial reports; account reconciliation; master data analysis.

Accountant Auxiliar at Gas Natural BAN

January 1, 2009 - August 31, 2011

Accounting auxiliary duties supporting revenue accounting processes and monthly closings.

Education

Systems Analyst, Computer Science at Universidad Siglo 21

October 1, 2022 - August 31, 2024

Técnico Superior en Programación, Information Technology at Teclab Instituto Técnico Superior

January 1, 2020 - December 31, 2022