Senior Flutter Engineer — Remote & Hybrid in Portugal

Valtech; Portugal; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Remote & hybrid options

International mobility

Learning & development programs

Job summary

Valtech is seeking a Senior Flutter Developer to design and build high-quality mobile and web apps using Flutter. You’ll own features from concept to deployment, mentor juniors, and help shape Flutter adoption across projects.

You'll collaborate with product managers, designers, and engineers in an Agile environment, with remote/hybrid options and international opportunities. A senior role focused on scalable solutions and code quality.

Qualifications

• 5+ years of total software development experience.
• Minimum 2+ years of hands-on Flutter and Dart.
• Strong OOP and modern development practices.
• Experience writing unit and integration tests.
• Familiarity with Riverpod, BLoC or Provider.
• Experience with RESTful APIs and async data flows.
• Understanding of responsive UI principles and mobile design.
• Solid knowledge of Git and CI/CD workflows.
• Experience with local storage (Hive, SQLite) and performance optimization.
• Knowledge of architectural patterns (MVVM, Clean Architecture).
• Familiarity with Agile methodologies and cross-functional team collaboration.

Responsibilities

• Develop cross-platform applications using Flutter for Android/iOS
• Translate product requirements and UI designs into fully functional features
• Write clean, testable, and maintainable code following best practices
• Participate in code reviews, offer constructive feedback, and support team learning
• Collaborate with UI/UX designers to create seamless user experiences
• Integrate apps with backend APIs and services
• Monitor application performance and troubleshoot issues
• Stay current with Flutter/Dart ecosystem updates and suggest improvements

Skills

Flutter

Dart

OOP & modern practices

Unit tests

Integration tests

Riverpod

BLoC

Provider

RESTful APIs

Async data flows

Responsive UI

Git

CI/CD

MVVM

Clean Architecture

Agile

Tools

Hive

SQLite

Job description

Valtech is seeking a Senior Flutter Developer to design and build high-quality mobile and web apps using Flutter. You’ll own features from concept to deployment, mentor juniors, and help shape Flutter adoption across projects.

You'll collaborate with product managers, designers, and engineers in an Agile environment, with remote/hybrid options and international opportunities. A senior role focused on scalable solutions and code quality.