Senior Mobile Engineer (iOS & Android) - Secure Banking

RECRUIT EXPRESS PTE LTD; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

Recruit Express Pte Ltd in Singapore is seeking a Senior Mobile Developer with 3–5 years of hands-on experience to design, develop and maintain secure mobile applications for banking clients. The role requires weekend shifts and occasional on-call responsibilities.

You will work across iOS (Swift/UIKit/SwiftUI) and Android (Kotlin/Java), integrate APIs, ensure strong authentication and secure data handling, and collaborate with product, architecture, UI/UX, security, and backend teams throughout

Qualifications

• 3–5 years of hands-on native mobile development for iOS and/or Android.
• Strong knowledge of secure mobile development practices and secure coding standards.
• Experience integrating RESTful APIs with backend systems.

Responsibilities

• Design, develop, test and maintain native mobile apps (iOS/Android).
• Build secure, scalable, high-performing banking applications.
• Integrate RESTful APIs and enterprise backend systems.
• Implement secure auth: MFA, OAuth 2.0, OpenID Connect, JWT, biometrics.
• Collaborate with product, architects, UI/UX, QA, security, backend teams.
• Review code, troubleshoot issues, support CI/CD pipelines.
• Ensure compliance with secure coding, SSDLC, OWASP Mobile Top 10.
• Handle ad-hoc duties as assigned.

Skills

Swift (iOS)

Kotlin/Java (Android)

Secure mobile development

API integration

MFA / OAuth 2.0

OpenID Connect / JWT

Biometrics (Face ID / Touch ID)

CI/CD

Security testing

Job description

Recruit Express Pte Ltd in Singapore is seeking a Senior Mobile Developer with 3–5 years of hands-on experience to design, develop and maintain secure mobile applications for banking clients. The role requires weekend shifts and occasional on-call responsibilities.

You will work across iOS (Swift/UIKit/SwiftUI) and Android (Kotlin/Java), integrate APIs, ensure strong authentication and secure data handling, and collaborate with product, architecture, UI/UX, security, and backend teams throughout