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

DBS Bank Ltd; Singapore; On-site; SGD 60,000 - 110,000; Full time

Job summary

DBS Bank Ltd in Singapore is seeking an experienced iOS developer to design, develop, test, and maintain native iOS apps using Swift and UIKit and/or SwiftUI. You will build secure, scalable mobile banking applications for retail and corporate customers, and integrate RESTful APIs with backend services.

Collaborate with backend developers, UI/UX designers, cybersecurity teams, QA engineers, and solution architects throughout the software development lifecycle.

Qualifications

• 3-5 years of hands-on iOS development experience.
• Strong knowledge of secure mobile development practices.
• Experience with OAuth 2.0 / OpenID Connect / SAML / JWT basics.
• Experience implementing secure authentication and session management.

Responsibilities

• Design, develop, test, and maintain native iOS applications using Swift and UIKit and/or SwiftUI.
• Build secure, scalable mobile applications for retail and corporate banking customers.
• Integrate RESTful APIs and backend services; collaborate with cross-functional teams.
• Participate in technical design, solution architecture, and code reviews.
• Implement secure authentication, authorization, and session management.
• Support CI/CD pipelines and participate in Agile ceremonies.

Skills

Swift

UIKit

SwiftUI

Objective-C

Xcode

Android Studio

RESTful APIs

Git

CI/CD

Security

Tools

Zimperium

vKey

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 & Employment

Location: DBS Asia Hub Job: Technology Schedule: Regular Employee Status: Full time

About DBS

DBS is more than a bank — we're shaping the future of finance and communities. With innovation at our core and impact in our DNA, we go beyond banking to build careers, relationships, and a better world. DBS is a leading financial services group in Asia with a presence in 19 markets. Headquartered and listed in Singapore, DBS is in the three key Asian axes of growth: Greater China, Southeast Asia and South Asia. Recognised for its global leadership, DBS has been named “World’s Best Bank” by Global Finance, “World’s Best Bank” by Euromoney and “Global Bank of the Year” by The Banker. The bank is at the forefront of leveraging digital technology to shape the future of banking, having been named “World’s Best Digital Bank” by Euromoney and the world’s “Most Innovative in Digital Banking” by The Banker. In addition, DBS has been accorded the “Safest Bank in Asia” award by Global Finance for 15 consecutive years from 2009 to 2023. DBS provides a full range of services in consumer, SME and corporate banking. As a bank born and bred in Asia, DBS understands the intricacies of doing business in the region’s most dynamic markets and is committed to building lasting relationships with customers. With its extensive network of operations in Asia and emphasis on engaging and empowering its staff, DBS presents exciting career opportunities.