at Sun* Inc.

Flutter Engineer (English Fluency)


  • Participate in requirement analysis and system design
  • Research and implement new technologies
  • Communicate with clients on project issues
  • Participate in developing, building, and optimizing the performance of mobile applications on the Flutter platform
  • Improve and enhance project quality
  • Participate in forums and tech shows related to the company’s technology


Experience and Knowledge Requirements

  • 3+ years of experience
  • Experience working with US/UK clients or clients in English-speaking markets
  • Knowledge of UI/UX, Material 3
  • Solid understanding of Widget, StatelessWidget, StatefulWidget, Widget Component, etc.
  • Proficient in asynchronous programming with Flutter, Stream, Async/Await
  • Strong knowledge of State Management, experience with BLOC, Riverpod, Provider, etc.
  • Skilled in Animation and Transition
  • Knowledge of Design patterns like MVP, MVVM, Clean Architecture, and design principles like SOLID
  • Experience working with RESTful APIs and WebSockets
  • Understanding of OS changes that affect programming
  • Knowledge of Native (Android Kotlin, iOS Swift) is a plus

Skill Requirements

  • Excellent English communication skills
  • Strong teamwork skills
  • Ability to allocate tasks effectively
  • Strong critical thinking and logical thinking skills
  • Effective problem-solving skills

Attitude Requirements

  • Possess customer-oriented mindset
  • Embrace and adapt to changes
  • Be committed to continuous development


Professional, open-minded, and creative environment:

  • Work with colleagues who embrace ideas to change the society.
  • Respect different perspectives within a team
  • Strong learning culture that promotes individual development
  • The culture of taking risks to experience and thrive

Focus on individual development

  • Be consulted, accompanied, and supported in career development with the career path system (developing in expertise or management direction) that has been studied and tested for many years.
  • Be oriented for individual, group, and organizational goals
  • Be empowered
  • Be supported to define a 3-month or 6-month goal (Goal Define Support)
  • Get access to company Learning Hub online library with various courses provided by Udemy, LinkedIn,…

Special care for employees

  • Salary: Negotiable + competitive allowance (lunch, living allowance, beauty care, Japanese and IT certificates, etc.)
  • 13th-month salary bonus
  • Performance review: Twice/a year
  • Hybrid working policy; flexible check-in, check-out
  • Comprehensive health insurance Sun* Care
  • Seniority Allowance
  • Women care allowance: Women’s physiological leave: 2.5 hours/month; Postpartum leave for female employees with under 1-year-old children: 1 hour/day
  • Policies supporting learning activities, knowledge sharing, and cultural exchange (Technology Seminar – Tech Expert, Club: Reading, Japanese, Music Club, …)
  • Annual company trip and quarterly team-building activities


















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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