Android Developer - Java/Kotlin, Mobile Security
Job in
Toronto, Ontario, C6A, Canada
Listed on 2026-02-23
Listing for:
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Part Time
position Listed on 2026-02-23
Job specializations:
-
Software Development
Android Developer, Software Engineer, Full Stack Developer, App Developer - Mobile/Web
Job Description & How to Apply Below
Waterloo / Toronto
Work Type: Hybrid, 3 days/week, 8:30 AM – 5:00 PM EST
Overview
We are seeking a Senior Android Developer to design, develop, and maintain advanced applications for Android devices. You will work closely with cross‑functional teams to deliver high‑quality, scalable, and secure mobile solutions.
Key Responsibilities
Design, build, and maintain Android applications using Java and Kotlin .
Collaborate with product owners, UX/UI designers, and backend developers to define and ship new features.
Integrate apps with external data sources and RESTful APIs.
Write robust unit and automated tests to ensure code quality, usability, and reliability.
Optimize application performance, memory usage, and offline storage.
Implement mobile security best practices , including root detection, anti‑tamper controls, and secure coding standards.
Participate in code reviews, knowledge sharing, and mentoring.
Contribute to CI/CD pipelines and Dev Ops practices to streamline releases.
Continuously explore new technologies and tools to improve development efficiency.
Required
Skills & Qualifications
Proficiency in Java and Kotlin for Android development.
Strong experience with Android SDK & core components .
Knowledge of mobile security : root detection, anti‑tamper, secure coding.
Familiarity with RESTful APIs , HTTP, JSON parsing, and networking libraries.
Experience with offline storage, threading, and performance optimization.
Solid understanding of version control tools ( Git ).
Familiarity with cloud messaging and push notification frameworks.
Experience with automated testing frameworks ( Espresso, JUnit ).
Strong problem‑solving skills and attention to detail.
Excellent verbal and written communication skills.
Preferred Skills
Experience with C/C++ and JNI for native Android development.
Familiarity with Agile, Dev Ops, and test‑driven development principles.
Experience with CI/CD tools ( Jenkins ), SQLite, and Spring framework.
Knowledge of UI/UX prototyping tools (Sketch, InVision).
Experience with multimedia creation/editing (video, graphics).
Education & Experience
Bachelor’s degree in Computer Science, Software Engineering, IT, or related field .
5+ years of professional Android development experience.
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