Job Description

We are looking for an experienced Android Developer with strong SDK and Kotlin expertise to join our team on a contract basis in London. The successful candidate will be responsible for designing, developing, integrating, and maintaining high-quality Android applications and SDK components. You will work closely with engineering, product, and QA teams to deliver robust, scalable, and reliable mobile solutions.

Key Responsibilities:

• Design and develop Android applications and SDKs using Kotlin.
• Build scalable, maintainable, and high-performance mobile solutions.
• Develop and integrate Android SDK components and APIs.
• Work with Android frameworks, libraries, and third-party integrations.
• Collaborate with backend, product, UX/UI, QA, and other engineering teams.
• Troubleshoot, debug, and resolve complex application and SDK issues.
• Write clean, reusable, and testable code following Android development best practices.
• Develop unit and integration tests to ensure application quality and reliability.
• Participate in code reviews and contribute to technical design discussions.
• Analyse performance, memory usage, stability, and application behaviour.
• Stay up to date with the latest Android platform updates, SDK capabilities, and development practices.
• Contribute to technical documentation and development standards.

Required Skills & Experience:

• Strong commercial experience in Android development.
• Advanced Kotlin programming skills.
• Strong understanding of the Android SDK and Android application architecture.
• Experience developing or integrating Android SDKs and APIs.
• Good knowledge of Android Studio, Gradle, and the Android build ecosystem.
• Experience with REST APIs and third-party service integrations.
• Strong understanding of Android lifecycle, threading, memory management, and performance optimisation.
• Experience with modern Android architecture and development patterns.
• Familiarity with Git and modern software development practices.
• Experience writing unit and automated tests.
• Strong problem-solving and debugging skills.
• Ability to work effectively in a collaborative engineering environment.

Desirable Skills:

• Experience with Jetpack Compose.
• Knowledge of Android Jetpack components.
• Experience with CI/CD pipelines and automated mobile builds.
• Experience with Firebase or similar mobile services.
• Exposure to security, authentication, encryption, or mobile application security.
• Experience working on large-scale or enterprise Android applications.
• Experience publishing or maintaining applications through Google Play.

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