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Maksym B., Android Developer

Last Updated: 19 Oct 2023

- Over 7 years of commercial experience in IT as an Android Developer; - Proficient in Java and Kotlin programming languages; - Strong knowledge of Object-Oriented Programming (OOP) principles; - Experienced in using Design patterns such as MVP and MVVM; - Skilled in using Android SDK and various libraries/frameworks including RxJava, Jetpack Compose, Dagger, Hilt, Room, Navigation, Google Maps, Firebase Analytics, Firebase Crashlytics, and Firebase Cloud Messaging; - Familiar with Clean Architecture and Retrofit for building robust and scalable applications; - Proficient in using source control systems like GIT and tracking systems like Jira and Trello; - Experienced in Agile development methodologies such as SCRUM and Kanban; - Upper-Intermediate level of spoken and written English; - Successfully delivered projects in various domains including in-store and online shopping, retail and distribution, taxi services, sports, and job search; - Strong attention to detail, logical thinking, and result-oriented mindset.

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Android SDK

Android SDK   7 yr.


Android   7 yr.

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Taras Z., Android Software Engineer

Last Updated: 4 Jul 2023

- Having over 7+ years of experience in developing native mobile and TV applications for the Android platforms - Deep knowledge of the Android Framework significantly increased my technical and soft skills. - Successfully accomplished above seven long-term projects at the middle, senior, and team-lead developer positions, and tech consultant. - Also participated in many short-term, bug fixing, feature adding, and library developing projects. - Have strong mathematical and computer science background - Upper-Intermediate English - Available ASAP

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Android SDK

Android SDK


Java   8 yr.


Kotlin   3 yr.

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Eugene P., Android Software Engineer

Vilnius, Lithuania
Last Updated: 13 Nov 2023

- Experienced Android Engineer with 7 years of commercial experience and a strong track record of delivering innovative and robust mobile applications. - Proficient in Kotlin and Java, with expertise in MVVM and MVP architectural patterns. - Skilled in refactoring and improving existing codebases, implementing new features - Extensive knowledge of integrating SDKs like Here Maps, Firebase, Glide, and Realm. - Has experience working on navigation and banking applications. - Upper-Intermediate English

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Android SDK

Android SDK





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Artem B., Android Software Engineer

Last Updated: 4 Jul 2023

- 5+ years of experience in Android Development - Experience in developing applications using Java, Kotlin, Dart - Excellent knowledge of OOP - Experience in using Software design patterns - Good logical thinking, self-learning, high level of responsibility - Responsible, hard-working, result-oriented, creative and communicable, team player - Good attention to details - Upper-Intermediate English

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Android SDK

Android SDK





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Oleksii B., Junior Android Software Engineer

Kharkiv, Ukraine
Last Updated: 4 Jul 2023

- Android Engineer (6 months) - Educational program (mentoring, code review, git-flow, task management, time management) - Android Fundamental Courses - Available ASAP

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Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched Android SDK Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new Android SDK developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

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Table of Contents

Pros & cons of Android SDK

7 Pros of Android SDK

  • 1. Open-source platform: Android SDK is based on the open-source Android operating system, which allows developers to access and modify the source code. This provides flexibility and customization options for creating innovative and unique applications.
  • 2. Large user base: Android has the largest market share in the mobile industry, with millions of active users worldwide. This presents a significant opportunity for developers to reach a wide audience and potentially generate higher revenue.
  • 3. Extensive development tools: Android SDK offers a comprehensive set of development tools, including the Android Studio IDE, which provides a rich environment for coding, debugging, and testing applications. It also includes various libraries, APIs, and documentation to simplify the development process.
  • 4. Multiple distribution channels: Android allows developers to distribute their applications through various channels, such as the Google Play Store, third-party app stores, and direct installation. This provides flexibility and freedom in reaching users through different platforms.
  • 5. Integration with Google services: Android SDK seamlessly integrates with various Google services, such as Google Maps, Google Analytics, and Google Cloud Messaging. This enables developers to leverage these powerful services and enhance the functionality of their applications.
  • 6. Wide range of hardware compatibility: Android supports a wide range of devices, including smartphones, tablets, smartwatches, TVs, and IoT devices. This allows developers to target different hardware configurations and provide a consistent user experience across multiple devices.
  • 7. Continuous innovation: Android SDK is regularly updated with new features, improvements, and security enhancements. Google actively supports the Android platform and provides regular updates to ensure developers have access to the latest technologies and capabilities.

7 Cons of Android SDK

  • 1. Fragmentation: Due to the diverse range of Android devices available in the market, developers may face challenges in ensuring compatibility and optimization across different screen sizes, resolutions, and hardware configurations.
  • 2. Security concerns: Android’s open nature and popularity make it a prime target for malware and security threats. Developers need to be vigilant in implementing robust security measures to protect user data and ensure the safety of their applications.
  • 3. Platform version compatibility: Android devices often run on different versions of the operating system, which can lead to compatibility issues with certain features and APIs. Developers need to consider backward compatibility and devise strategies to handle different platform versions.
  • 4. App discovery and visibility: With millions of apps available on the Google Play Store, it can be challenging for developers to gain visibility and attract users to their applications. Effective marketing strategies and optimization techniques are crucial for app discovery and success.
  • 5. Lack of uniform user experience: Android allows device manufacturers to customize the user interface and pre-install their own apps, resulting in a lack of uniformity in the user experience across different devices. Developers need to account for these differences and ensure their apps work seamlessly across various devices.
  • 6. Learning curve: Android development requires knowledge of Java or Kotlin programming languages, along with understanding the Android SDK and development tools. The learning curve can be steep for beginners without prior programming experience.
  • 7. Device compatibility testing: Testing an application across various Android devices with different specifications and versions can be time-consuming and resource-intensive. Developers need to invest in comprehensive testing processes to ensure their apps function correctly on a wide range of devices.

Soft skills of a Android SDK Developer

Soft skills are just as important as technical skills for an Android SDK Developer. These skills contribute to effective collaboration, communication, and problem-solving, allowing developers to work efficiently and deliver high-quality results.


  • Teamwork: Ability to collaborate effectively with other team members, share ideas, and contribute to the overall success of the project.
  • Communication: Clear and concise communication skills to effectively convey ideas, requirements, and updates to team members and stakeholders.
  • Time Management: Ability to prioritize tasks, meet deadlines, and manage time effectively to ensure timely delivery of projects.
  • Adaptability: Willingness to learn and adapt to new technologies, frameworks, and development methodologies.
  • Problem-solving: Basic problem-solving skills to identify and resolve issues in the development process.


  • Leadership: Ability to lead a small team of developers, delegate tasks, and provide guidance and mentorship to junior team members.
  • Collaboration: Strong collaboration skills to work effectively with cross-functional teams, such as designers, QA engineers, and product managers.
  • Critical Thinking: Analytical and critical thinking skills to evaluate complex problems, identify potential solutions, and make informed decisions.
  • Conflict Resolution: Ability to handle conflicts or disagreements within the team and find amicable solutions.
  • Project Management: Understanding of project management principles and experience in coordinating tasks, tracking progress, and ensuring project milestones are met.
  • Attention to Detail: Strong attention to detail to ensure high-quality code, proper documentation, and adherence to best practices.
  • Client Management: Ability to effectively communicate with clients, understand their requirements, and manage expectations throughout the development process.


  • Strategic Thinking: Ability to think strategically and align development efforts with long-term business goals.
  • Technical Leadership: Demonstrated expertise in Android SDK development, providing guidance and technical leadership to the team.
  • Innovation: Proactive approach to exploring and implementing new technologies, frameworks, and development practices to improve efficiency and quality.
  • Team Building: Experience in building and leading high-performing development teams, attracting top talent, and fostering a positive work culture.
  • Client Relationship Management: Strong ability to build and maintain long-term relationships with clients, understanding their business needs, and delivering solutions that exceed expectations.
  • Quality Assurance: Knowledge of quality assurance processes and the ability to ensure code quality through code reviews, testing, and continuous integration.
  • Problem-solving: Advanced problem-solving skills to tackle complex technical challenges and provide innovative solutions.
  • Effective Communication: Excellent written and verbal communication skills to effectively convey technical concepts to both technical and non-technical stakeholders.

Expert/Team Lead

  • Strategic Planning: Ability to define the technical vision, set goals, and develop a roadmap for the team’s success.
  • Architecture Design: Expertise in designing scalable and maintainable architectures for Android applications.
  • Process Improvement: Strong focus on optimizing development processes, identifying bottlenecks, and implementing improvements for increased efficiency.
  • Mentorship: Proven experience in mentoring and coaching developers, fostering their growth and enhancing their technical skills.
  • Risk Management: Ability to anticipate and mitigate potential risks and challenges in the development process.
  • Technical Consultancy: Providing technical guidance and consultancy to clients, helping them make informed decisions regarding their Android projects.
  • Project Leadership: Experience in leading large-scale Android projects, coordinating multiple teams, and ensuring successful project delivery.
  • Industry Knowledge: Deep understanding of the latest trends, best practices, and emerging technologies in the Android development industry.
  • Business Acumen: Ability to align technical strategies with business objectives, considering market trends, competition, and user needs.
  • Continuous Learning: Commitment to continuous learning and staying updated with the latest advancements in Android development.
  • Empathy: Ability to understand and empathize with team members, clients, and end-users, considering their perspectives and needs in decision-making.

TOP 14 Tech facts and history of creation and versions about Android SDK Development

  • The Android Software Development Kit (SDK) was first released in 2007.
  • It was created by a team of developers at Android Inc., later acquired by Google.
  • Android follows an open-source development methodology, allowing developers to contribute and modify the platform.
  • The first commercially available Android device was the HTC Dream, released in 2008.
  • Android 1.0, the first official version, introduced features like Gmail integration, web browsing, and Google Maps.
  • Android 1.5 (Cupcake) brought on-screen keyboards and support for third-party widgets.
  • Android 2.0 (Eclair) introduced features like voice-guided turn-by-turn navigation and multiple account support.
  • Android 4.0 (Ice Cream Sandwich) unified phone and tablet interfaces, introducing the Holo design language.
  • Android 5.0 (Lollipop) brought material design, a visual overhaul emphasizing depth, shadows, and bold colors.
  • Android 6.0 (Marshmallow) introduced granular app permissions and a new power-saving feature called Doze.
  • Android 7.0 (Nougat) added split-screen multitasking and improved notification management.
  • Android 8.0 (Oreo) focused on performance improvements, like faster boot times and background app limitations.
  • Android 9.0 (Pie) introduced gesture-based navigation and adaptive battery optimization.
  • Android 10 introduced a system-wide dark mode and enhanced privacy features like scoped storage.
  • Android 11 (latest version) offers improved 5G support, chat bubble notifications, and wireless Android Auto.

What are top Android SDK instruments and tools?

  • Android Studio: Android Studio is the official integrated development environment (IDE) for Android app development. It was first released in 2013 and has since become the most popular choice among developers. It provides a comprehensive set of tools for designing, building, and testing Android applications. Android Studio supports multiple programming languages, including Java and Kotlin, and offers advanced features such as code completion, debugging, and performance analysis. It also includes a visual layout editor, which allows developers to easily create user interfaces for their apps.
  • ADB (Android Debug Bridge): ADB is a versatile command-line tool that allows developers to communicate with Android devices. It was introduced in 2008 and has since become an essential tool for app development and debugging. ADB enables developers to install and uninstall apps, transfer files, run shell commands, and view logcat output. It also provides a bridge for debugging apps on physical devices or emulators, allowing developers to inspect variables, set breakpoints, and analyze app performance.
  • Android Emulator: The Android Emulator is a virtual device that simulates an Android device on a computer. It allows developers to test their apps without the need for physical devices. The Android Emulator supports various device configurations, including different screen sizes, resolutions, and Android versions. It provides features like multi-touch input, accelerometer and gyroscope simulation, and camera emulation. The Android Emulator has improved significantly over the years, offering better performance and compatibility with different app scenarios.
  • Android Asset Packaging Tool (AAPT): AAPT is a command-line tool that compiles and packages resources for Android apps. It was introduced alongside the Android platform in 2008. AAPT processes XML files, such as layouts, strings, and styles, and generates binary resource files that can be used by the Android runtime. It also performs tasks like resource validation, merging, and compression. AAPT plays a crucial role in the build process of Android apps, ensuring that resources are correctly packaged and optimized.
  • Android Support Library: The Android Support Library is a set of code libraries that provide backward compatibility for new Android features. It was introduced in 2011 to address the fragmentation of Android devices and operating system versions. The Support Library includes various components and utilities, such as support for material design, appcompat for consistent UI across different versions, and backward-compatible versions of new APIs. The Android Support Library has been widely adopted by developers and has greatly simplified the process of building apps that work on a wide range of devices.
  • Android Jetpack: Android Jetpack is a set of libraries, tools, and architectural guidance provided by Google to help developers build high-quality Android apps more easily. It was announced in 2018 as a modern approach to app development. Jetpack includes components like LiveData, ViewModel, Room, and Navigation, which simplify common tasks and promote best practices. It also offers tools for testing, benchmarking, and profiling app performance. Android Jetpack has gained popularity due to its focus on developer productivity and the ability to adapt to different app architectures.

TOP 10 Android SDK Related Technologies

  • Java

    Java is the primary language used for Android app development. It offers a robust and scalable platform, with a vast ecosystem of libraries and tools.

  • Kotlin

    Kotlin is a modern programming language that has gained popularity among Android developers. It offers concise syntax, null safety, and interoperability with Java.

  • Android Studio

    Android Studio is the official integrated development environment (IDE) for Android app development. It provides a rich set of tools, including a code editor, emulator, and debugging features.

  • Android Jetpack

    Android Jetpack is a set of libraries, tools, and architectural guidance provided by Google. It simplifies the development of Android apps by offering components for handling tasks such as navigation, data storage, and UI.

  • Retrofit

    Retrofit is a popular HTTP client library for Android. It simplifies the process of making network requests, handling JSON parsing, and managing API endpoints.

  • RxJava

    RxJava is a reactive programming library for Android. It provides a way to handle asynchronous and event-based programming by using observables and operators.

  • Firebase

    Firebase is a mobile development platform that offers a range of services for Android app development, including authentication, real-time database, cloud messaging, and analytics.

Cases when Android SDK does not work

  1. Unsupported Android versions: Android SDK may not work properly on older versions of Android that are no longer supported. According to the official Android Developer website, the minimum supported version for Android SDK is Android 4.1 (Jelly Bean) or API level 16. Therefore, if you are using an older version of Android, you may encounter compatibility issues or certain features may not work as expected.
  2. Insufficient system requirements: Android SDK has specific system requirements that need to be met in order to function properly. These requirements include a compatible operating system (such as Windows, macOS, or Linux) with the necessary software dependencies installed, a minimum amount of RAM, disk space, and a supported Java Development Kit (JDK) version. Failure to meet these requirements can result in errors or the SDK not functioning correctly.
  3. Conflicts with other software or tools: Android SDK relies on various software components and tools to function effectively. Conflicts can arise if there are other software packages or development tools installed on your system that interfere with the functioning of the SDK. For example, if you have multiple versions of Java installed, it can cause conflicts and lead to issues with the Android SDK.
  4. Network connectivity issues: Android SDK requires a stable internet connection to download necessary components, updates, and dependencies. If you are experiencing network connectivity issues, such as a slow or unreliable internet connection, it can affect the performance and functionality of the SDK. This can lead to errors during installation or while using certain features that rely on network connectivity.
  5. Hardware limitations: Android SDK may not work optimally or may be limited in functionality on devices with lower hardware specifications. For resource-intensive tasks or features that require advanced hardware capabilities, such as emulating high-end devices or running graphics-intensive applications, devices with lower-end hardware may struggle to provide satisfactory performance.
  6. Installation or configuration errors: Incorrect installation or configuration of the Android SDK can result in it not working as expected. This can include issues such as incorrect paths or environment variables, missing SDK components, or improper setup of development tools. Double-checking the installation steps and ensuring proper configuration can help resolve such issues.

How and where is Android SDK used?

Case NameCase Description
1. Mobile Application DevelopmentThe Android SDK Development provides developers with a robust platform to create feature-rich mobile applications for Android devices. It offers a wide range of tools and libraries that simplify the development process, allowing developers to build applications with various functionalities such as GPS tracking, camera integration, push notifications, and more.
2. IoT IntegrationThe Android SDK Development enables seamless integration with Internet of Things (IoT) devices. Developers can leverage the SDK’s connectivity features to connect Android devices with IoT devices and control them remotely. This opens up possibilities for building smart home automation systems, wearable devices, and other IoT applications.
3. Augmented Reality (AR) AppsWith the Android SDK Development, developers can build immersive augmented reality applications. The SDK provides tools like ARCore, which allows developers to overlay virtual objects onto the real world through the device’s camera. This technology has been used in various fields, including gaming, education, and interior design.
4. Enterprise ApplicationsThe Android SDK Development offers extensive enterprise features that make it suitable for building business applications. It provides support for enterprise-grade security, device management, and integration with enterprise systems like CRM and ERP. This makes it a popular choice for organizations looking to develop custom applications for their workforce.
5. E-commerce ApplicationsThe Android SDK Development is widely used for building e-commerce applications. It provides libraries for secure payment integration, barcode scanning, and inventory management. Developers can leverage these features to create user-friendly and secure mobile shopping experiences.
6. Social Networking AppsThe Android SDK Development offers various APIs and tools for integrating social networking features into applications. Developers can implement features like social login, sharing, and real-time messaging, enabling users to connect and interact with their social networks seamlessly.
7. Location-based ServicesThe Android SDK Development provides robust location-based services capabilities. Developers can utilize the SDK’s APIs to build applications that leverage GPS, Wi-Fi, and cellular network data for location tracking, geofencing, and mapping functionalities. These features are commonly used in navigation apps, delivery services, and location-based marketing.
8. Media Streaming AppsThe Android SDK Development offers powerful media streaming capabilities. Developers can utilize the SDK’s APIs to build applications that can stream audio and video content over the internet. This has paved the way for the popularity of music streaming apps, video-on-demand platforms, and live streaming services.
9. Gaming ApplicationsThe Android SDK Development provides a comprehensive set of tools and libraries for game development. It offers support for 2D and 3D graphics, physics engines, input handling, and more. This has made Android a popular platform for mobile gaming, with a vast number of games available on the Google Play Store.

Hard skills of a Android SDK Developer

As an Android SDK Developer, your hard skills are crucial in ensuring the successful development and implementation of Android applications. Here are the key hard skills required for different levels of experience:


  • Java Programming: Proficiency in Java programming language to develop Android applications.
  • Android Studio: Familiarity with Android Studio IDE for Android app development.
  • Android SDK: Understanding of Android Software Development Kit (SDK) and its components.
  • User Interface Design: Knowledge of creating user-friendly interfaces using XML layouts.
  • Debugging and Testing: Ability to debug and test Android applications for identifying and fixing issues.


  • Kotlin Programming: Proficiency in Kotlin programming language for Android app development.
  • API Integration: Experience in integrating third-party APIs into Android applications.
  • Database Management: Knowledge of SQLite or other databases for data storage and retrieval.
  • Version Control: Familiarity with version control systems like Git for collaborative development.
  • Performance Optimization: Ability to optimize app performance by analyzing and improving code.
  • Multithreading: Understanding of multithreading concepts for efficient app execution.
  • Application Architecture: Knowledge of various architectural patterns like MVP or MVVM.


  • Advanced UI/UX Design: Proficiency in creating visually appealing and intuitive user interfaces.
  • Dependency Injection: Experience in using dependency injection frameworks like Dagger.
  • Memory Management: Expertise in managing memory efficiently to avoid performance issues.
  • Code Review: Ability to conduct thorough code reviews and provide constructive feedback.
  • Unit Testing: Knowledge of writing unit tests to ensure code quality and reliability.
  • Continuous Integration: Experience with CI/CD tools like Jenkins for automated builds and testing.
  • Security: Understanding of secure coding practices and data encryption techniques.
  • Performance Monitoring: Proficiency in using tools like Firebase Performance Monitoring.

Expert/Team Lead

  • Architecture Design: Ability to design scalable and maintainable Android app architectures.
  • Leadership: Experience in leading a team of Android developers and guiding them.
  • Code Refactoring: Expertise in refactoring complex codebases for better maintainability.
  • Cross-Platform Development: Knowledge of frameworks like React Native or Flutter for cross-platform app development.
  • Analytics Integration: Proficiency in integrating analytics tools like Google Analytics or Firebase Analytics.
  • Performance Tuning: Ability to fine-tune app performance for optimal user experience.
  • Release Management: Experience in managing app releases and versioning.
  • Client Communication: Strong communication skills to interact with clients and understand their requirements.
  • Problem Solving: Excellent problem-solving skills to tackle complex technical challenges.
  • Industry Knowledge: Up-to-date knowledge of the latest trends and best practices in Android app development.
  • Technical Mentoring: Ability to mentor and train junior developers in Android development.

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