Senior Flutter Engineer — Hybrid, AI‑Driven Mobile

Alongside; Porto; Hybrid; EUR 50,000 - 75,000; Full time

Benefits offered by this job

Hybrid work model

2 days in Porto office per week

Job summary

Alongside is seeking a Senior Flutter Engineer to join an international project delivering a scalable mobile app for accounting professionals across Europe. You will design, develop, and own features using Flutter (iOS and Android), collaborate across Portugal, the Netherlands, and India, and apply AI-assisted coding and Spec-Driven development.

The role involves architecture design, Riverpod-based state management, automated testing, and CI/CD improvements in a hybrid setup with two in-office

Qualifications

• 5+ years of software engineering experience, including Flutter
• Strong Flutter/Dart knowledge targeting iOS and Android
• Solid Riverpod/state management experience
• Experience with AI coding tools (e.g., Copilot)
• Familiarity with Spec-Driven Development (OpenSpec or similar)
• Experience with automated tests (unit/widget/integration)
• Good understanding of OOP, SOLID, REST APIs
• Fluent English, written and spoken

Responsibilities

• Design, develop, and deliver features for mobile apps using Flutter (iOS and Android)
• Own features from spec to production
• Work with AI coding tools to accelerate development
• Apply Spec-Driven Development approaches
• Contribute to app architecture and state management with Riverpod
• Develop and maintain automated tests
• Improve CI/CD pipelines and release processes
• Troubleshoot production issues and improve performance
• Collaborate with Product, Design, and Backend teams
• Mentor and review code with engineers

Skills

Flutter

Dart

Riverpod

REST APIs

CI/CD

Testing

English

Tools

GitHub Copilot

OpenSpec

CI/CD tooling

Job description

Alongside is seeking a Senior Flutter Engineer to join an international project delivering a scalable mobile app for accounting professionals across Europe. You will design, develop, and own features using Flutter (iOS and Android), collaborate across Portugal, the Netherlands, and India, and apply AI-assisted coding and Spec-Driven development.

The role involves architecture design, Riverpod-based state management, automated testing, and CI/CD improvements in a hybrid setup with two in-office