Senior iOS Developer

Job Summary We are seeking an experienced Senior iOS Developer to design, develop, and maintain secure, scalable, and high-performance mobile applications. The ideal candidate will have strong expertise in iOS application development, mobile architecture, application security, and secure networking. Responsibilities Design, develop, test, and maintain secure and high-performance iOS applications to meet business requirements Architect and implement robust, scalable, and maintainable mobile client solutions for enterprise use Apply secure coding practices throughout the mobile application development lifecycle to prevent vulnerabilities Implement secure data persistence, encryption, and sensitive data protection mechanisms such as Keychain and local storage safeguards Develop secure mobile networking solutions using HTTPS, TLS, certificate validation, and relevant security protocols Implement authentication and authorization mechanisms using OAuth 2.0, OpenID Connect (OIDC), SAML 2.0, and JSON Web Tokens (JWT) to ensure secure user access Apply OWASP Mobile Application Security (MAS) principles to identify, prevent, and mitigate mobile application vulnerabilities Conduct code reviews, security assessments, and performance optimization to improve application quality and security Identify and resolve application defects, security vulnerabilities, memory leaks, and performance bottlenecks Collaborate with backend engineers, security teams, QA engineers, product owners, and other stakeholders to deliver reliable and secure mobile solutions Integrate mobile applications securely with RESTful APIs and backend services Ensure application quality through unit testing, integration testing, debugging, and automated testing practices Stay up to date with emerging iOS technologies, mobile security threats, and industry best practices to continuously improve development standards Provide technical guidance and mentorship to junior developers and contribute to engineering standards and best practices Required competencies and certifications Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience Strong hands-on experience in iOS application development using Swift and the iOS SDK Solid understanding of iOS application architecture, design patterns, and software engineering principles Experience designing and implementing secure, scalable, and high-performance mobile applications Strong knowledge of secure data storage and persistence mechanisms, including Keychain and appropriate local storage protection Experience implementing secure mobile networking using HTTPS, TLS, certificate validation, and other relevant security mechanisms Strong understanding of mobile application security principles, threat modeling, and secure coding practices In-depth knowledge of OWASP Mobile Application Security principles and common mobile security vulnerabilities Experience implementing authentication and authorization technologies, including OAuth 2.0, OIDC, SAML 2.0, and JWT Experience integrating RESTful APIs and handling sensitive data securely Strong debugging, troubleshooting, analytical, and problem-solving skills Experience with Git and collaborative software development workflows