Mobile Application Developer

Title: Senior Mobile App Developer (iOS & Android)

Location: Toronto, ON Canada (5 Days Onsite)

Term: Long Term Contract

Job Description:

We are seeking an experienced Senior Mobile App Developer proficient in both iOS and Android native application development. You will be responsible for building, enhancing, and maintaining high-quality mobile applications from concept to deployment, ensuring seamless integration with backend services and third-party systems. This role requires deep expertise in both Swift (iOS) and Kotlin (Android), modern architectural patterns, and mobile security best practices.

Responsibilities:

• Support the entire mobile application lifecycle (concept, design, development, testing, release, and post-release support).
• Design and develop highly performant, secure, and scalable iOS and Android applications.
• Ensure adherence to platform-specific design guidelines (Apple Human Interface Guidelines & Android Material Design).
• Collaborate closely with product managers, designers, and backend teams to deliver exceptional user experiences.
• Maintain clean, modular, and well-documented code following best practices.
• Implement robust unit testing, end-to-end testing, and continuous integration practices.
• Address application security vulnerabilities in line with OWASP Top 10 mobile security standards.
• Optimize applications for performance, offline storage, and multithreading.
• Integrate with RESTful APIs, third-party SDKs, and backend services.
• Maintain code repositories and participate in code reviews to ensure high code quality.

Qualifications & Skills:

• 7+ years of professional experience in mobile application development.
• Strong proficiency in Swift (Foundation, UIKit, Core Data, RxSwift) and Kotlin with MVVM/MVP architecture.
• Extensive understanding of iOS and Android frameworks, components, and lifecycle management.
• Experience releasing applications to both the App Store and Google Play.
• Solid understanding of OOP principles, data structures, algorithms, and software design patterns.
• Familiarity with RESTful APIs, JSON, and mobile UI/UX best practices.
• Experience with code versioning tools (Git) and CI/CD pipelines.
• Strong debugging, performance profiling, and optimization skills.
• Proven track record of delivering secure mobile applications.
• Excellent communication and teamwork skills.
• A passion for learning and staying updated on emerging mobile technologies and trends.