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Job ID : 1564067 Date Updated : November 4th, 2025
Utilize Flutter knowledge to focus on Mo

[English Only ] Lead Mobile Engineer (Flutter)

Hiring Company Skillhouse Staffing Solutions K.K.
Location Tokyo - 23 Wards
Job Type Temporary
Salary Based on hourly rate

Work Style

Remote Work and WFH

Job Description

A Global Retail firm is looking for a Lead Mobile Engineer (Flutter).

You will be responsible for building, improving, and maintaining cross-platform mobile applications that deliver a seamless user experience across iOS, Android, and Web.
Working closely with backend, QA, and design teams, you’ll help define app architecture, ensure performance and stability, and implement modern development practices. This is a hands-on engineering role with opportunities to influence product direction and contribute to the continuous evolution of our app ecosystem.

Responsibilities:
- Develop and maintain Flutter applications for iOS, Android, and Web platforms
- Collaborate with product managers, designers, and backend engineers to define requirements and deliver features that delight users
- Write clean, maintainable, and testable code following Flutter and Dart best practices
- Integrate RESTful APIs, authentication systems, and backend services
- Contribute to CI/CD pipelines and automate build, test, and release processes
- Optimize app performance, responsiveness, and reliability across multiple device types
- Implement unit and widget tests to ensure high-quality releases
- Support and mentor junior developers by sharing technical knowledge and reviewing code
- Continuously explore new tools and frameworks, including AI-assisted development, to improve productivity and code quality

Why should you apply:
- Opportunity to work for an exciting & international company
- Utilize Flutter knowledge to focus on Mobile development
- Good base salary + transport, overtime and hybrid WFH workstyle

Company Details: 
A global real estate space-sharing firm founded in 2010 with the vision to build beautiful office spaces where people and companies come together to get inspired and do their best work. Since opening our first location in New York City, we’ve grown into a global network of intentionally designed workspaces grounded in community. Today, we’re constantly reimagining how space, technology, and community can help everyone—from freelancers to Fortune 500s—get more out of their workday.

Working Hours: 09:00 - 18:00 Mon-Fri
Working Style: Hybrid (2-3 days in office, other WFH)
Holidays: Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays etc
Services/Benefits: Skillhouse provides a generous benefits plan including annual paid vacation, paid transportation, pension, healthcare, unemployment and disability insurance contributions, training opportunities, test pay back programs etc.

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level None
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

Required Skills:
- 4+ years of professional experience developing mobile apps, with at least 2 years focused on Flutter
- Experience in building Flutter apps using clean architecture
- Strong understanding of Flutter architecture patterns (e.g., BLoC, Riverpod, MVVM)
- Experience building and deploying apps to the App Store and Google Play
- Familiarity with RESTful APIs, JSON, and backend integration
- Strong debugging, profiling, and performance optimization skills

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Temporary
Salary Based on hourly rate
Hourly Rate JPY2,500 - 3,500
Work Hours 9:00 - 18:00 (Mon-Fri)
Holidays Saturday, Sunday, and National Holidays, etc
Industry Industrial Facilities

Job Category

Company Details

Company Type Large Company (more than 300 employees) - International Company
Non-Japanese Ratio About half Japanese