Hire Android App Developer

Looking for an Android app that runs smooth on a million different devices? Hire an Android developer who’s fluent in Kotlin or Java, wielding the Android SDK to hammer out apps with LiveData for real-time updates, WorkManager for background tasks, or Glide for image loading that doesn’t tank performance. They’ll deliver a lean, crash-proof app ready to dominate the Play Store.

How it works

1. Prepare a technical project or job description
   Gather all the tasks and business requirements in one file. While looking for app developers, you can easily share the file with them.
2. Talk to Upstaff talent expert
   Our journey starts with a 30-min discovery call to explore your project challenges, and technical needs.
3. Meet carefully matched talents
   Within 1-3 days, we’ll share profiles and connect you with the right talents to schedule a call with developers in person.
4. Validate your choice
   Bring new talent on board with a trial period to confirm you hire the right one (no termination fees or hidden costs).

Soft skills of a Android Developer

Soft skills are essential for Android Mobile App Developers as they contribute to effective collaboration, communication, and overall success in their roles. Here are the soft skills required for Android Mobile App Developers at different levels:

Junior

• Problem-solving: Ability to analyze and solve problems efficiently, finding effective solutions to coding challenges.
• Adaptability: Willingness to learn and adapt to new technologies, frameworks, and programming languages.
• Attention to detail: Strong attention to detail to ensure accuracy and quality in coding and debugging.
• Teamwork: Collaboration with team members, sharing knowledge, and contributing to the team’s success.
• Time management: Ability to manage time effectively, prioritize tasks, and meet project deadlines.

Middle

• Leadership: Ability to lead small development teams, providing guidance, and mentoring junior developers.
• Communication: Strong verbal and written communication skills to effectively convey technical concepts and ideas.
• Problem-solving: Advanced problem-solving skills, including debugging complex issues and optimizing code.
• Creativity: Ability to think creatively and propose innovative solutions to improve user experience and system performance.
• Collaboration: Collaborating with cross-functional teams, such as designers and product managers, to deliver high-quality mobile applications.
• Time management: Efficiently managing multiple projects and tasks simultaneously while meeting deadlines.
• Continuous learning: Demonstrating a passion for continuous learning and staying updated with the latest trends and technologies in Android development.

Senior

• Strategic thinking: Ability to envision long-term goals and devise strategies to achieve them.
• Mentorship: Mentoring and guiding junior and middle-level developers, helping them grow in their careers.
• Project management: Experience in managing large-scale Android projects, including planning, resource allocation, and risk management.
• Decision-making: Making informed decisions based on a deep understanding of business requirements and technical constraints.
• Collaboration: Collaborating effectively with stakeholders, including clients and senior management, to ensure project success.
• Code review: Conducting thorough code reviews to maintain code quality and adherence to best practices.
• Quality assurance: Implementing robust testing and quality assurance processes to deliver high-quality, bug-free applications.
• Documentation: Creating comprehensive technical documentation to facilitate knowledge sharing and maintain project scalability.

Expert/Team Lead

• Strategic leadership: Providing strategic direction and leadership to the Android development team.
• Architecture design: Proficiency in designing scalable, maintainable, and efficient software architectures for Android applications.
• Technical expertise: Demonstrating deep knowledge and expertise in Android development frameworks, libraries, and tools.
• Innovation: Driving innovation and exploring new technologies and techniques to enhance Android app development processes.
• Team management: Managing and mentoring a team of Android developers, ensuring their growth and performance.
• Client management: Building and maintaining strong relationships with clients, understanding their needs, and delivering solutions that exceed their expectations.
• Code optimization: Optimizing code and performance to ensure efficient and fast-running Android applications.
• Strategic planning: Developing long-term strategic plans for Android development, aligning them with organizational goals.
• Conflict resolution: Resolving conflicts and addressing challenges within the team to maintain a positive and productive work environment.
• Industry knowledge: Staying updated with the latest industry trends, best practices, and emerging technologies in the Android development field.
• Continuous improvement: Driving continuous improvement initiatives within the team, fostering a culture of learning and growth.

TOP 12 Tech facts and history of creation and versions about Android Development

• Android was developed by a team of engineers led by Andy Rubin at Android Inc. in 2003. It was later acquired by Google in 2005.
• The first commercial version of Android, Android 1.0, was released in September 2008. It was designed for smartphones and featured a virtual keyboard, web browser, and support for third-party apps.
• Android is based on the Linux kernel and uses a modified version of the Java programming language. This allows developers to write apps using the Java programming language and run them on Android devices.
• Android is an open-source platform, which means that the source code is available for anyone to use, modify, and distribute. This has led to a vibrant community of developers contributing to the platform.
• One of the key features of Android is its ability to run multiple apps simultaneously. This is made possible by its multitasking capabilities, allowing users to switch between apps seamlessly.
• With the release of Android 2.0 in 2009, Google introduced the first version of its mapping and navigation service, Google Maps, on the Android platform. This opened up new possibilities for location-based services and navigation apps.
• Android has evolved over the years with regular updates and new versions. Each version is named after a dessert or sweet treat, starting with Android Cupcake (1.5) and ending with Android 11 (R).
• Android has a large market share in the mobile operating system market, with over 72% of the global market share as of 2021. This makes it the most widely used mobile operating system in the world.
• The Android ecosystem is supported by a wide range of manufacturers, including Samsung, LG, and Huawei. This has led to a diverse range of Android devices available in the market, catering to different user preferences and budgets.
• Android has a vast library of apps available for download on the Google Play Store, with over 3 million apps as of 2021. This provides users with a wide range of options for productivity, entertainment, and utility.
• Android has made significant advancements in terms of security over the years. With features like app sandboxing, verified boot, and regular security updates, Android provides a secure environment for users and their data.
• Android has expanded beyond smartphones and is now used in other devices such as tablets, smart TVs, smartwatches, and even cars. This demonstrates the versatility and adaptability of the platform.

What are top Android 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 standard tool for Android developers. Android Studio provides a rich set of features, including code editing, debugging, and testing capabilities, as well as various performance analysis tools. It supports the latest Android SDKs and offers excellent compatibility with the Android platform.
• Gradle: Gradle is a powerful build automation tool used in Android development. It was introduced in 2012 and has gained popularity due to its flexibility and scalability. Gradle allows developers to define and manage the build process, including compiling source code, resolving dependencies, and generating APK files. It supports incremental builds, caching, and parallel execution, making the build process faster and more efficient.
• ADB (Android Debug Bridge): ADB is a versatile command-line tool that allows developers to communicate with an Android device or emulator. It provides various functionalities, such as installing and uninstalling apps, transferring files, capturing screenshots, and executing shell commands on the device. ADB is an essential tool for debugging and testing Android applications, as it enables developers to interact with the device directly from their development environment.
• Lint: Lint is a static code analysis tool that helps identify potential bugs, performance issues, and code style violations in Android projects. It is integrated into Android Studio and provides real-time feedback on code quality as Android Mobile App Developers write their code. Lint checks for common coding mistakes, such as null pointer dereferences, resource leaks, and inefficient algorithms. It also enforces best practices and coding conventions, improving the overall quality and maintainability of Android apps.
• ProGuard: ProGuard is a widely used code shrinking and obfuscation tool for Android applications. It helps reduce the size of APK files by removing unused code and optimizing the remaining code. ProGuard also renames classes, methods, and variables to make reverse engineering more difficult, enhancing the app’s security. By applying ProGuard, developers can significantly reduce the app’s footprint and improve its performance.
• Android Emulator: The Android Emulator is a virtual device that allows developers to test their applications on different Android configurations without the need for physical devices. It emulates the behavior of various Android devices and provides a platform for developers to validate their app’s compatibility, performance, and responsiveness. The Android Emulator supports multiple Android versions and hardware configurations, making it a valuable tool for testing and debugging Android apps.

How and where is Android used?

What are the best Android developers to hire?

What is Android?

Android, an open-source operating system made by Google for smartphones and tablets. Based on the Linux kernel, and used by Samsung, LG, and Google. Android is also famous for its openness and gives the developers to build apps and services.

Key uses of Android

• Smartphones & tablets: Android has been running on millions of smartphones and tablets all over the world, with access to an extensive app store under the Google Play Store.
• Smart TVs & Wearables: Android is integrated with smart TVs (Android TV) and wearable devices (Wear OS) too so it offers a single user experience on multiple devices.
• Car systems: Android Automotive is the version of Android made specifically for auto information systems and it provides seamless access to navigation, media and messaging apps.
• IoT devices: With Android’s extensibility and popularity, it is the go-to OS for IoT devices, from home appliances to manufacturing systems.

The Android Apps you can create.

• Mobile Applications: Android mainly used for mobile application. Whether you are in need of an e-commerce app, social networking application, or productivity suite, hire Android app developer to get your dream real.
• Games: Android is a big game platform and the development tools, such as Unity and Unreal Engine are incredibly helpful to build everything from casual games to elaborate, high-fidelity games.
• Custom software solutions: Firms will usually hire Android programmers to develop individual software for a particular purpose, like field service application, inventory management system, or CRM system.
• Cross-platform Applications: By using Flutter or React Native, Android developers can create Android and iOS apps in less time and money.

In short, Android is an open source platform which can be used for creating any kind of app and so it’s the best option for companies to hire android app developers. If you are designing a mobile application, game or a custom software, Android gives you the options and power to get things done.

So why you need android developers?

In order to develop your own mobile apps that run on Android, the largest operating system on earth, it’s important to hire Android developers. So if you’re coding a new mobile app or updating an existing one, by using Android developers, you are always going to have people who are native to Android doing your work.

Among many other things, android programmers can develop apps such as e-commerce apps, social media, office productivity apps and gaming and streaming apps. They are proficient in sizing apps to be performance minded, so that it is responsive to all devices and Android versions.

You need to hire top Android developers for businesses to remain competitive in the mobile first world. Such developers can tailor your mobile app development according to your requirements, so it provides a seamless user experience, can be integrated with other services, and is consistent with your business strategy and plans. Hired Android developers can help organizations get the apps launched in the fastest possible time with best quality and features mobile apps to improve engagement and sales.

Other stacks that Android developer needs to be well-versed with.

Android Developers: You are looking for more than basic android app development knowledge when hiring Android developers. A rounded Android developer should be fluent in many technology stacks and tools to create secure, scalable applications. Voici unedited essential Android app development skillsets:

Java and Kotlin

These are the main Android programming languages. Java has been the way to go and now Kotlin because of the newer features and ease of use.

Android SDK

The Android SDK has all the development tools and libraries needed to build android applications. Any Android developer should have a very good knowledge of the SDK.

XML

It’s the markup language used to structure the interface of android apps and is necessary for developing layouts that adapt to different device and screen sizes.

RESTful APIs and JSON

Android apps tend to talk to web services. Working with REST APIs and JSON data are important when we need to add third-party services to web applications and backend systems.

SQL and Room Database

Data management is vital. Developers on Android should be used to SQL and Room, an Android-only ORM for database work.

Version Control (Git)

You need to be proficient in Git to do code tests, code changes and work with other developers.

Firebase

You get database, authentication, cloud storage and analytics tools that are real-time from Firebase. : Understanding Firebase will allow you to create your Android apps quickly and easily without compromising with their capabilities.

Android Studio

It is the official Android IDE. A good Android developer will need to know how to write, debug and test in Android Studio.

Material Design

Google’s Material Design Principles help to keep things consistent and intuitive. These are the concepts you need to know if you want to design easy to use mobile apps.

If you employ Android developers who are experts in these domains, you can make sure your products are built using best practices and you get high-quality apps for users and companies.

Key Qualities that should be considered in an Android developer.

When you’re recruiting Android developers, you need to hire someone who is technically proficient and the right person for your team. Successful Android Developer: The successful Android developer is a combination of highly technical Android knowledge, coupled with team members who are productive and effective. What you need to work on:

Technical skills

• Java/ Kotlin Expertise: These are two major languages that you need to know to create tidy, performant Android code.
• Experience in Android SDK: Strong android SDK skills are required for developing, testing and releasing applications.
• UI/UX design knowledge: You must be familiar with Material Design and how to build intuitive interfaces.
• Work with REST APIs and JSON: Interested in using third party services and working with JSON.
• Git version control: Git mastery is an absolute must if you want to maintain code, monitor changes, and work with other developers.
• Testing and debugging skills: Knowing the unit tests, automated tests and debugging is an absolute must to produce a quality app.
• Database management knowledge:  SQL and Room Database is required to know for proper data management in the app.

Cultural fit

• Problem-solving mindset: Hire a problem-solver who approaches problems and resolves them in accordance with business objectives.
• Collaboration with team: You have to communicate and be energetic if you want to collaborate in a team.
• Flexibility: It’s very important to be willing to learn and change with new technologies and project requirements.
• Detail-orientation: Detail-oriented thinking means that the final result is professional and functional.
• Be user-centric: It is all about being user-centric and providing useful and simple apps.

You can hire the best Android app developers who will deliver high quality apps and help improve your development team and projects if you put an emphasis on both technical knowledge and cultural fit.

How do I test the competence and experience of an Android Developer?

If you are looking to hire an Android developer, check the technical proficiency and ability to solve problems. When you are hiring Android developers who can produce excellent apps, make sure that they have the correct combination of experience, knowledge, and skill. How to measure their competence here:

Start with the developer’s portfolio. It should be anything Android apps they have created or contributed to. Make sure to look at the variety and scope of these projects. Find apps that are close to your needs and ones with Android exclusives such as material design and performance improvements. You can install and test these apps to ensure that it works, is comfortable to use and is of a high quality.

Then test if they know Java and Kotlin. An Android developer who’s good coded in both languages efficiently and cleanly. You can check this using coding challenges or technical interviews where you have to actually do something. Ask them to resolve some Android development headaches such as data storage with Room or adjusting screen size. This will also show their coding style and problem solving ability.

You also need to know about the Android SDK. Ask them in the interview how they are using the SDK. Ask what tools and libraries they are using (such as Android Jetpack components) and how they keep devices compatible. They’re also answering it with a solid understanding of the SDK and Android development principles.

Check how they’ve dealt with version control (Git, etc). Go to their Github profile or read up on their code management practices for teams. The fact that they can use Git to branch and merge effectively, so they can collaborate and work with code.

At the very end, consider how they test and debug. A good Android app developer knows about unit tests, UI testing and automation testing. Talk about bugs they’ve found and closed and tools they use (eg JUnit, Espresso). They are highly trained in using these tools and they can give you a stable, secure app.

When you look into these, you’ll have a good idea when looking to hire freelance Android developers that they’re up to your project.

How to make an android developer job posting?

Getting Android Developers You want a post to get you those candidates and make sure that they know what you want. Well arranged post appeals to experienced Android programmers and provides the tone for your project app. Here’s how to make an Android developer job post that gets seen, and a screenshot.

How to Write an Android Developer Job Post

Have a concise job title: Simple things. Mention the job title such as “Android developer” or “senior Android app developer” so your post will come up in search results.

Short Company Description: Tell us in a few sentences about your company, its vision, and products or services. This allows candidates to feel the work environment.

Definition of task and function: Be very clear what is the role and function of Android developer. List items like android app design, cross-platform development with teams, code quality.

List the technical knowledge required: List the technical knowledge required, such as knowledge of Java, Kotlin, Android SDK etc. Experience with tools such as Git and with version control instruments and systems.

Include skills you’d like to add: Share any additional skills you would be interested in adding, such as previous experience with Firebase or UI/UX design.

Highlight cultural fit: Share personality traits of the ideal candidate like collaborative, problem-solving and flexibility.

Identify the working environment: Indicate whether it is remote, hybrid, or in-house. Say something about perks such as overtime or health insurance.

Provide clear application instructions. Share how to apply and what materials to submit (resume, portfolio etc).

Example Android developer job post

Job title: Senior Android developer

Description of company: We, [Company Name], develop breakthrough mobile experiences to make it easier for people to use technology. Our specialty is building intuitive apps that do the job, right in the real world. We are looking for a senior Android developer to come and work with us on some exciting things.

Description and Responsibilities: As a senior Android developer, you will:

• Develop the advanced android apps.
• Administer cross-functional teams for feature definition and implementation.
• Make sure apps run smooth and fast.
• Bug fixes and app speed up.
• Develop using emerging technologies to improve development.

Required technical skills:

• Expert in Java and Kotlin and familiar with Android SDK.
• Know how about Android Studio, Git, version control.
• Good experience in REST APIs and JSON.
• Knowledge of SQL and Room Database.
• Experience with testing frameworks.

Preferred qualifications:

• Proven knowledge of Firebase and Google Play services.
• Material Design Knowledge and UI/UX Guidelines.
• Leadership or project management experience.

Cultural fit:

• Active problem-solver with great detail orientated.
• Strong communication and teamwork skills.
• Flexible and open to new tools.

Job perks: Flexible hours, competitive compensation, medical benefits, and career development for this full-time, remote position.

How to Apply: Please send your resume, cover letter and an image of your portfolio or Github account to [email address] by [application deadline].

Job post template for hiring senior Android developers, stating position, skills and work atmosphere. These steps will make sure that you have a job post that’s unique and gets the attention of the right people.

What Android developer interview questions you should ask in the interview.

When hiring Android developers, the correct interview questions ensure you hire the best team members with the technical knowhow and problem-solving skills you need. Here are 5 questions to ask and how each of them helps you assess the candidate’s knowledge:

1. How Java and Kotlin are different and why Kotlin is best for Android development?

It’s useful for: This is a question which tests the candidate on Java and Kotlin, the primary languages of the Android development team. A good answer will reflect they know what Java is doing but they would choose Kotlin because it is modern, less bloated code, and includes inbuilt safety like nullsafe. It shows the candidate that they are good with Kotlin and can choose the correct language for any given project.

2. Share a problem you’ve had with Android SDK and the solution.

What it does: This question will help you know the candidate experience in working with the Android SDK and how they solved the problem. Look for examples in which they tell you the problem, how they worked on it, and the results. A great response means that they are able to describe technical problems and the entire development lifecycle clearly and are creative and patient.

3. How can you make an android app work across multiple devices and screen sizes?

Uses: Maintaining cross device compatibility is very important when working on Android. It is a question to gauge the applicant’s responsive design knowledge, knowledge of tools such as ConstraintLayout and application of density-independent pixels (DP) and scalable vector graphics (SVGs). A nuanced response also indicates care for details and a focus on seamless UX.

4. How do you test and debug Android apps?

What it does: Testing and debugging is the key to a high-quality app. This is a question that test the candidate’s quality management practices. Good answers will include specific solutions such as JUnit for unit testing, Espresso for UI testing, Android Studio’s debugger tools. A good candidate will also mention continuous integration and how they have testing in their process.

5. Can you talk about how you have used third party libraries and APIs in Android apps?

What it does: A lot of Android apps depend on third party libraries and APIs to provide functionality. This is the question that assesses the candidate’s experience combining and running these parts. Search for references to popular libraries such as Retrofit, Glide or Firebase. Candidate also needs to talk about versioning and updates.

These are the Android developers that you can recruit based on their technical knowledge and real world experience to work on your projects. By targeting these fields when recruiting Android developers you can hire the best Android developers who will build good, scalable, and easy-to-use apps.