You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Malt Strategy
New report
Malt Tech Trends 2026
Roger Cuesta VaillesRC

Roger Cuesta Vailles

Flutter Developer

€225/day
Barcelona, ES
3-7 years
Firebase
Flutter
Dart
SQLite
Unit Testing

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Roger

Currently building Android/iOS mobile applications for companies worldwide using Flutter. In my work so far, I have been involved with both Startups and multinational companies, working with international teams. Thanks to this experience, I have learned to work on different projects and in various ways.

  • Catalan

    Native or bilingual

  • English

    Fluent

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Celering
    Flutter Developer
    October 2024 - Today (1 year and 8 months)
    Barcelona, Spain
    ▪ Product-based company: maintaining and developing new features for driver and customer
    mobile apps to meet business objectives.
    ▪ Project architecture: Clean Architecture with state management using BloC.
    ▪ CI/CD pipelines with CodeMagic for automated builds and deployments to App Store and
    Google Play.
    ▪ Error monitoring and crash reporting with Sentry.
    ▪ Implementation of SMS Retriever API for automatic OTP verification.
    ▪ QA automation with Appium testing framework.
    ▪ Integration of AI tools (Agents, Skills, MCPs) and Workflows to boost development
    productivity.
    Flutter Dart Testing Claude Code Firebase
  • Accenture España
    Software Engineer
    July 2021 - May 2023 (1 year and 10 months)
    Barcelona, Spain
    Currently working on a project with an international team. Using BloC for state management. Integration of Unit, Widget, Integration, and GraphQL EndPoints Testing.
    BLoC Testing Dart Flutter Widget
  • Minsait
    Flutter Developer
    May 2023 - October 2024 (1 year and 5 months)
    Barcelona, Spain
    I led the project on my own for a while, including client interaction. Later, two people were assigned to my project, and I was given the role of project lead as they saw I was developing well with the client and managing the new team.
    Project Leadership Accessibility BLoC Dart Flutter
Check out Roger's experience

Recommendations

Be the first to recommend Roger

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Signup to reveal

Education

  • Cross-Platform Application Development, Computer Science
    Salesians de Sarrià
    2018
    Desenvolupament d'Aplicacions Multiplataforma, Informática
  • Baccalaureate, Natural Sciences
    IES Valldemossa
    2014
    Bachillerato, Ciencias naturales

Skill set

Android
iOS
Bloc
Accessibility
Continuous Integration
Widget
Clean Architecture
Realm

Categories