Senior Flutter Engineer - Remote, AI-Driven Mobile Apps

Klar S.A de C.V.; Portugal; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Klar stock options

26 days paid vacation

Computer devices

Wellhub health subscription

Coaching and therapy via Mantra Care

International work environment

Job summary

Klar S.A de C.V. is seeking a Flutter Engineer to own cross‑platform mobile and web app development. You will collaborate with designers, PMs, and backend engineers to deliver secure, responsive experiences across Android, iOS, and Web.

You will drive code quality, implement complex state management, and embrace AI-assisted development to accelerate velocity while maintaining excellent maintainability and performance.

Qualifications

• 5+ years of Flutter development experience.
• Solid Dart fundamentals.
• Experience with complex state management in large apps.
• API integration and data handling.
• Testing across multiple approaches.
• Strong problem-solving abilities.
• Collaborative code reviews & discussions.

Responsibilities

• Lead development of cross-platform Flutter apps for Android, iOS, and Web.
• Collaborate with designers, PMs, and backend engineers to deliver secure, responsive experiences.
• Advance Klar’s mobile and web apps with deep product, analytics, and infra integrations.
• Apply AI-informed workflows to improve engineering quality and velocity.
• Contribute to code quality through reviews, tests, and documentation.

Skills

Flutter development

Dart programming

State management (BLoC/Cubit)

API integration

Testing mindset

Problem solving

Code quality

Team collaboration

Learning agility

Tools

Melos

GitHub Actions

BigQuery

Job description

Klar S.A de C.V. is seeking a Flutter Engineer to own cross‑platform mobile and web app development. You will collaborate with designers, PMs, and backend engineers to deliver secure, responsive experiences across Android, iOS, and Web.

You will drive code quality, implement complex state management, and embrace AI-assisted development to accelerate velocity while maintaining excellent maintainability and performance.