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Asper Brothers

MVP development and validation for startups

Senior Flutter Developer

Mobile EngineeringConfirmed live in the last 24 hours
Full-timeWarsaw, Poland

About the Job

Requirements

  • At least 4 years of experience developing mobile applications.
  • At least 2 years of commercial experience developing Flutter applications, ideally across multiple projects.
  • At least 2 years of commercial experience working with Dart.
  • Commercial experience working with state management systems and design patterns.
  • Solid knowledge of Flutter packages and libraries.
  • Commercial experience writing unit and integration tests.
  • Working proficiency in verbal and written English.

Responsibilities

  • Help build a mental health solution for Asian and Australian markets, consisting of a Flutter user app, a therapist web app, and an internal admin panel.

About the Company

Asper Brothers

MVP development and validation for startups

Asper Brothers guides founders from idea to validated MVPs and prepares them for growth with end-to-end support—from strategy and validation to UX/UI, development, launch, and post-launch iteration. They prioritize lean, early validation and a scalable, future-proof tech stack, avoiding proprietary systems and no-code shortcuts. Their team brings over 20 years of entrepreneurial experience with 80+ projects across 15 industries, and they stay with founders after launch to iterate and scale. The goal is to reduce risk, test market demand, and lay a solid foundation that can expand into a full product as the business grows.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Warsaw, Poland
Founded
2007

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