About InstaSafe InstaSafe is Asia’s fastest-growing Zero Trust cybersecurity company, enabling global enterprises to secure their workforce, applications, and data across hybrid and multi-cloud environments. Our award-winning Zero Trust Network Access (ZTNA), Identity & Access Management (IAM), and Multi-Factor Authentication (MFA) solutions secure over 500,000 endpoints worldwide. We are seeking an Android Engineer to join our Endpoint Clients team. You will design and develop Android applications that form the foundation of our mobile Zero Trust security experience, including Authenticator apps, secure Android agents, and mZTNA (mobile Zero Trust Network Access) solutions. Role Overview The Android Engineer will be responsible for designing, developing, testing, and maintaining advanced security applications for the Android platform. This role requires hands-on expertise with the Android SDK, OAuth2-based authentication, REST APIs, and secure data handling on mobile devices. As part of the Zero Trust client development team, you will directly contribute to how enterprises enable secure workforce access, focusing on performance, reliability, and strong cryptographic security in user-facing apps. Duties & Responsibilities Application Development: Design, build, and maintain advanced Android applications for Zero Trust authentication and endpoint security. Integration with Security Protocols: Implement and integrate OAuth2, MFA workflows, and secure storage mechanisms for enterprise authentication. API Consumption: Work with REST APIs and JSON parsing for real-time data exchange with backend controllers. Notifications & Communication: Build and optimize Firebase Push Notification services to support real-time authentication requests. Code Quality & Testing: Write clean, maintainable code, ensure modular design, and implement automated unit testing and debugging. App Lifecycle Management: Participate in the full application lifecycle – concept, design, build, deploy, test, and release. Cross-functional Collaboration: Work closely with backend engineers, security specialists, and product managers to align mobile features with overall Zero Trust architecture. Continuous Improvement: Evaluate emerging Android technologies and propose enhancements for performance, reliability, and security. Requirements Qualifications & Skills Education & Experience: Bachelor’s/Master’s degree in Computer Science, Software Engineering, or equivalent. Minimum 3+ years’ experience in Android application development. Core Technical Skills: Android SDK & Android Studio (mandatory) Gradle build automation Firebase Cloud Messaging (Push Notifications) REST APIs & JSON Parsing OAuth2 Authentication Java & Kotlin programming Preferred/Good-to-Have: Experience with secure storage APIs on Android (EncryptedSharedPreferences, KeyStore). Knowledge of mobile app security best practices (OWASP Mobile Top 10). Familiarity with CI/CD for mobile apps (Fastlane, Jenkins). Exposure to enterprise app development (MDM/MAM integration). Benefits Career Value Proposition Be at the forefront of Zero Trust mobile security innovation. Build mission-critical enterprise Android apps used by global organizations. Work in a fast-paced, collaborative, and product-first culture. Grow your expertise in cybersecurity and secure mobile engineering.