SA, Mobile Developer, Institutional Banking Group Technology, Group Technology

China, Beijing Branch; Singapore; On-site; SGD 65,000 - 105,000; Full time

Job summary

DBS Asia Hub is seeking an experienced iOS developer to design, implement, and maintain native mobile apps for banking customers. You will work with Swift/UIKit/SwiftUI, ensure secure coding and API integration, and contribute across the software lifecycle in a collaborative, security-focused team.

The role requires 3–5 years of iOS development, familiarity with OAuth/OpenID, JWT, and secure environment features like Keychain and Secure Enclave.

Qualifications

• 3–5 years of hands-on iOS development experience.
• Secure Mobile Application Development and secure coding practices.
• Experience with Keychain, Secure Enclave, and biometric auth.

Responsibilities

• Design, develop, test, and maintain native iOS apps using Swift and UIKit/SwiftUI.
• Build secure APIs and integrate backend services.
• Collaborate with backend, UI/UX, QA, and security teams throughout SDLC.
• Implement authentication, authorization, and session management.
• Participate in Agile ceremonies and code reviews.

Skills

Swift/UIKit/SwiftUI

iOS security

OAuth 2.0/OpenID Connect

JWT/API security

Xcode/Git

MVC/MVVM/Clean Architecture

Tools

Xcode

Git

Android Studio

Job description

Key Responsibilities

• Design, develop, test, and maintain native iOS applications using Swift and UIKit and/or SwiftUI.
• Develop secure, scalable, and maintainable mobile applications for retail and corporate banking customers.
• Build and integrate RESTful APIs and backend services.
• Collaborate with backend developers, UI/UX designers, cybersecurity teams, QA engineers, and solution architects throughout the software development lifecycle.
• Participate in technical design discussions and contribute to solution architecture.
• Implement secure authentication, authorization, and session management mechanisms.
• Integrate mobile applications with enterprise backend systems and third-party services.
• Troubleshoot production issues and implement timely resolutions.
• Perform code reviews and ensure adherence to coding standards and secure development practices.
• Develop unit tests, automation tests, and support continuous integration and continuous deployment (CI/CD) pipelines.
• Participate in Agile ceremonies, sprint planning, and technical retrospectives.
• Maintain technical documentation and support production releases.

Requirements

• 3-5 years of hands‑on experience developing native iOS applications.
• Secure Mobile Application Development, Mobile application security best practices
• Secure coding principles, Data encryption at rest and in transit, Certificate pinning
• Keychain and Secure Enclave on iOS, Biometric authentication (Face ID / Touch ID)
• Multi‑Factor Authentication (MFA), OAuth 2.0, OpenID Connect, or SAML
• JSON Web Tokens (JWT), API security, OWASP Mobile Top 10
• Experience in Mobile/Internet banking application, Fraud Detection, Mobile Security - Maleware detection, threat detection.
• Experience in Zimperium, vKey product or any other mobile threat detection protect.
• Secure software development lifecycle (SSDLC), Vulnerability remediation and code scanning
• Strong proficiency in Swift, UIKit and/or SwiftUI, Objective‑C, Xcode,
• Proficiency in Android Studio, Android (Kotlin/Java) is added advantage.
• Good understanding of iOS application architecture (MVC, MVVM, Clean Architecture).
• Experience integrating RESTful APIs and JSON‑based web services.
• Experience using Git and collaborative source control workflows.
• Good understanding of software engineering principles and design patterns.
• Strong analytical, debugging, and problem‑solving skills.
• Development experience in Android / Harmony OS Mobile Development is added advantage.
• Good communication skills to work effectively in cross‑functional teams.

Location

DBS Asia Hub

Job

Technology

Schedule

Regular

Employee Status

Full time