FullStack Mobile Engineer (Flutter)/Insurtech/Canto+Mando

Argyll Scott Singapore; Hong Kong; On-site; HKD 480,000 - 720,000; Full time

Job summary

Argyll Scott Singapore is seeking a versatile Full Stack / Mobile Engineer with a Flutter focus to join our Insurtech client in Hong Kong. You will build and optimize customer-facing cross-platform mobile and web applications using Flutter, while gradually taking on backend services, microservices, and integrations.

Key requirements include fluent Cantonese and Mandarin for daily collaboration, strong Flutter expertise, and experience publishing apps to Apple App Store and Google Play.

Qualifications

• Fluent Cantonese and Mandarin for daily collaboration.
• Strong Flutter experience across mobile and web apps.
• Experience publishing on Apple App Store and Google Play.
• Solid knowledge of OAuth2, OpenID Connect, and e-KYC workflows.
• Willingness to work across full stack, including backend services.
• Cantonese/Mandarin speaking is a must.

Responsibilities

• Mobile development: build and maintain customer-facing mobile and web apps using Flutter.
• App Store management: end-to-end deployment and release cycles for App Store and Google Play.
• Backend & API architecture: design scalable RESTful APIs, microservices, and integrations.
• Integrations & security: implement secure authentication protocols and local integrations (iAM Smart).
• Cross-functional collaboration: work with product, UI/UX, and business stakeholders in a startup environment.

Skills

Flutter

APIs

OAuth2

OIDC

iAM Smart

Microservices

Backend

Cantonese/Mandarin

Tools

AWS

Docker

Kubernetes

CI/CD

Job description

Job Title: Full Stack / Mobile Engineer (Flutter focus)

Location: Hong Kong

Industry: Insurtech

Languages Required: Fluent Cantonese and Mandarin (Essential)

Role Overview

Our client is looking for a versatile Full-Stack Mobile Engineer to join their growing Insurtech team. Your immediate focus will be building and optimizing their customer-facing cross-platform mobile and web applications using Flutter. As their platform scales, your role will expand beyond mobile frontend development into core backend services, microservices architecture, and third-party system integrations.

Key Responsibilities

• Mobile Development: Drive the development, maintenance, and enhancement of customer-facing mobile (iOS/Android) and web applications using Flutter.
• App Store Management: Manage end-to-end deployment, submission, updates, and release cycles for both the Apple App Store and Google Play Store.
• Backend & API Architecture: Progressively take ownership of backend development, designing scalable RESTful APIs, microservices, and system integrations to support core product logic.
• Integrations & Security: Implement secure authentication protocols, e-KYC solutions, and local API integrations (including HK iAM Smart via OAuth2 / OpenID Connect).
• Cross-functional Collaboration: Work closely with product management, UI/UX designers, and business stakeholders to iterate rapidly in a fast-paced startup environment.

Requirements

• Language Fluency: Professional Cantonese and Mandarin (verbal and written) are strictly required for daily internal team collaboration and local market alignment.
• Flutter Expertise: Strong hands-on experience building and shipping production applications with Flutter across mobile and web platforms.
• Deployment Track Record: Demonstrated experience successfully publishing, launching, and managing apps on the Apple App Store and Google Play.
• Authentication & Identity Standards: Solid understanding of OAuth2, OpenID Connect (OIDC), and e-KYC workflows. Ability to independently digest API documentation for local integrations (e.g., iAM Smart).
• Broad Engineering Foundation: Willingness and capability to work across the full stack, including backend service development, database management, and API integrations over time.
• Cantonese/Mandarin speaking is a must

Nice-to-Have

• Hands-on SDK/API integration experience with Hong Kong’s iAM Smart platform.
• Prior experience in fintech, insurtech, banking, or regulated financial services environments.
• Familiarity with cloud platforms (AWS / GCP / Azure), containerized deployments (Docker/Kubernetes), and CI/CD pipelines.