Freelancer profile translated to English.

Description

My name is Manuel Martín and I have been a mobile developer for over 4 years. I am enthusiastic and entrepreneurial, and I have worked on more than 20 mobile applications for Android, both my own and in collaboration with various clients including:

- Decathlon.

- Banco Santander.

- McDonald's.

- Bankinter.

- Stradivarius.

- Vodafone.

- Codere.

For my own development, I am responsible for their evolution, maintenance, and publication in the Google Play Store, and they are available for anyone who wishes to download them (WonderMap, TabernApp, Guía de setas, and My5Today, among others).

I follow the development architecture set by Google, using MVVM, MVI, and MVP architectures, which makes the applications easy to maintain and allows them to scale without problems if the project grows, or I adapt to the one implemented in the project.

My skill set also includes:

- UX/UI design of the apps.

- iOS development.

- Cross-platform app development with Flutter.

- Server administration.

- Backend development for content management.

- Backend development (php/mysql, Firebase, .NET etc.).

- Notification management.

To date, I have managed and led more than 15 multidisciplinary projects that have been completed from scratch.

I offer you a comprehensive service with proven experience with different clients.

Shall we talk?

Languages

Spanish
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

LEROY MERLIN ESPAÑA SL
On Malt
Update app Leroy Merlin
SOFTWARE PUBLISHING
October 2025 - November 2025 (1 month)
Bankinter
Freelance
BANKING AND INSURANCE
August 2023 - February 2024 (6 months)
Madrid, Spain
Improvements and maintenance of new functionalities in the client application for Bankinter.
Use of MVVM as architecture.
Development in Java and Kotlin.
Android iOS Android Studio Git MVVM
Santander
Freelnace
BANKING AND INSURANCE
February 2023 - August 2023 (6 months)
Madrid, Spain
Maintenance and improvements of the personal banking application for Santander Bank.
Assistance in defining new tasks for the next sprints.
MVVM architecture.
Integration with various development teams.
Android Kotlin JSON Android SDK REST API

Check out Manuel's experience

Briffaud

Desarrollador Android Kiosko - DECATHLON SE - SPAIN

Reviewed on 5/18/2026

Thank you for your work

Roderic

Damal Redes S.L.

Reviewed on 6/7/2021

I believe that communication from the beginning is important for carrying out these projects, and Manuel was the only one who called me when I posted the offer, which I liked. There may be better and worse, faster and slower people in responding to an email proposal, but for me, talking and explaining by phone counts a lot. We were in a hurry to develop this app, and had a tight budget. Due to the rush, I made some mistakes in defining the project and the delivery times (my fault), but everything has finally flowed well with Manuel, and we have closed the development of the app, which is currently in real field testing. Thank you Manuel and good luck.

Show all 3 reviews

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

Cross-platform application development
CFTIC Léganes
2019
Desarrollo de aplicaciones multiplataforma para Android e iOS

Manuel Martín

Android developer & iOS developer

About Manuel

Experience

Reviews

5.0

Quality

5.0

Deadline

5.0

Communication

5.0

Briffaud

Roderic

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