Mobile Application Developer

Job title : Mobile Application Developer

Job Summary

• We are seeking a skilled Mobile Application Engineer to review, assess, and improve the security, reliability, and performance of a mobile application.
• The ideal candidate will have strong experience with React Native development, mobile application architecture, authentication mechanisms, local data storage, and API integration.
• The successful candidate will be responsible for identifying technical weaknesses, reviewing existing implementations, and recommending improvements to ensure the application meets industry standards for security, performance, and reliability.

Key Responsibilities

• Review the existing React Native codebase to identify technical issues, security weaknesses, and areas for improvement.
• Assess local storage mechanisms and determine how sensitive information is stored, accessed, and protected.Review authentication flows, session handling, token management, and logout functionality.
• Evaluate API communication, request handling, error management, and data exchange between the mobile application and backend services.
• Identify potential vulnerabilities relating to insecure data storage, session persistence, and unauthorized access.
• Assess the application’s handling of sensitive user information and credentials.
• Review dependencies, third-party libraries, and relevant mobile application configurations.
• Document identified issues, assess their impact, and recommend practical remediation measures.
• Collaborate with backend engineers, security specialists, and other technical stakeholders to resolve identified weaknesses.
• Conduct follow-up reviews to verify that recommended fixes have been properly implemented.

Requirements and Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience.
• Demonstrable experience developing and reviewing mobile applications using React Native.
• Strong knowledge of JavaScript or TypeScript and mobile application architecture.
• Experience with REST APIs and mobile-to-backend communication.
• Good understanding of authentication protocols, session management, token-based authentication, and access control.
• Knowledge of secure local storage practices on Android and iOS.
• Familiarity with mobile application security principles and common vulnerabilities.
• Experience debugging mobile applications and conducting code reviews.
• Ability to produce clear technical documentation and actionable recommendations.

Preferred Skills:

• Experience with secure storage solutions such as Keychain and Android Keystore integrations.
• Familiarity with OWASP Mobile Application Security Verification Standard (MASVS).
• Experience working with financial technology, payment applications, or other applications handling sensitive user data.
• Understanding of automated testing, application monitoring, and secure software development practices.

Key Competencies:

• Analytical and problem-solving skills.
• Strong attention to detail.Secure coding and code review capabilities.
• Effective technical communication.
• Ability to work independently and collaborate with cross-functional teams.