iOS Developer at UNIZEN TECHNOLOGIES PTE. LTD. – Singapore | Jobyssey

We are seeking an experienced Senior iOS Developer to support security remediation initiatives for our mobile banking platform. The successful candidate will be responsible for enhancing application security, implementing vulnerability fixes, and developing secure, scalable, and high-performance iOS applications used by millions of banking customers.

Key Responsibilities

Implement security patches and vulnerability fixes in iOS applications.
Conduct secure code reviews and ensure adherence to mobile security best practices.
Participate in security audits, penetration testing remediation, and vulnerability assessments.
Design, develop, test, and maintain secure, scalable, and high-performance iOS mobile applications.
Implement secure data storage, encryption, and network communication mechanisms.
Ensure compliance with banking security standards and regulatory requirements.
Collaborate with security, architecture, and backend teams to deliver secure mobile solutions.

Required Experience

5 to 7+ years of professional mobile application development experience.
Proven experience developing enterprise-grade iOS applications.
Experience in security vulnerability remediation and secure coding practices.
Banking, fintech, or other security-critical application experience is advantageous.

Technical Skills

Mobile Development

Strong expertise in iOS application development.
Experience designing and implementing robust mobile client solutions with a focus on security and performance.
Strong understanding of secure data persistence and mobile networking.
Knowledge of network security protocols and secure mobile architectures.
Experience developing secure, scalable, and high-performance mobile applications.

Security

Deep understanding of OWASP Mobile Security principles and secure coding practices.
Experience with authentication and authorization technologies such as OAuth2, OIDC, SAML2, and JWT.
Experience with security testing, vulnerability management, and remediation.

DevOps

Familiarity with CI/CD pipelines, automated testing, and DevSecOps practices.

Education

Diploma or Degree in Computer Science, Software Engineering, Information Technology, or related discipline.

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