We are looking for a Flutter Fullstack Developer with strong experience in Flutter and TypeScript, especially in Payment Systems / PSP (Payment Service Provider) integration. This role is ideal for someone who can work across mobile and backend, with a strong focus on payment-related features.
Responsibilities
Develop cross-platform mobile applications using Flutter
Build and integrate backend services using TypeScript (Node.js)
Implement and manage payment flows, including checkout, transaction handling, and error handling
Integrate with Payment Service Providers (PSPs) such as Stripe, Adyen, or similar
Ensure secure and reliable payment processing
Collaborate with cross-functional teams (Product, Design, Backend)
Optimize app performance and maintain code quality
Requirements
Minimum 4+ years of experience in software development
Strong experience with Flutter
Solid backend experience with TypeScript / Node.js
Hands-on experience with Payment Systems / PSP integration (required)
Experience handling payment flows, APIs, and transaction lifecycle
Experience with drag-and-drop / low-code platforms is a plus
Strong problem-solving skills
Good English communication skills (must-have)
Working Conditions: Business trip to Singapore (first week onboarding)
Benefits & Perks
An open mind and flat structure where every voice is welcome.
A work environment built on transparency, seamless communication, trust, and a sensible approach, combined with mixed cultures and a speaking environment
Individual assessments every 6 weeks with your line manager
Performance review every 6 months
15 days of annual leave and + 6 days of fully paid sick leave per year – can be used for the care of sick child
Christmas Holiday
Competitive salary
Bonus: 13th-month Salary
Social insurance for employees who pass their probation