End-To-End Guide To Hire Dedicated Kotlin App Developers: Define Responsibilities, Project Objective & Cross-Verify Technical Skills
Kotlin is a versatile and useful programming language for coding cross-platform apps and Android apps. It offers advanced tools, frameworks, and libraries for development and helps manage risk and minimize disruptions. To leverage its advantages, you need to hire dedicated kotlin app developers who are well-versed in using Kotlin technologies.
However, onboarding skilled developers is not an easy task. You need to follow a set process, screen profiles, interview developers, and negotiate over the crucial aspects. In this blog, we have provided valuable suggestions to help you hire dedicated Kotlin app developers. You can use them to interview candidates and build your team.
Important Project Development Factors To Check Before Onboarding Kotlin Programmers
Outline Project Features
Start the process by defining project objectives. You must know what problem it aims to solve and what goals you want to achieve. Identify the expected outcomes and purpose of the project development. Also, analyze your competitors to know how they have launched the project and which strategies are working for them. Implement your strategies after outlining their core strengths and weaknesses.
Develop a Compressive Project Plan
Outline project factors like timeline, milestones, and deliverables. Divide the project into phases, each with specific goals, define dependency, and estimate the effort required for completing each phase. Also, demonstrate technology stack and development platform, identify programming language, frameworks, tools, and libraries required to implement desired features.
Decide Budget For Project Development
Budget is a crucial factor in Kotlin project development. Each Kotlin development company charges differently, and you will come across numerous companies offering similar services. However, you need to figure out how much you want to invest in project development. Evaluate the market value of your technology stack and the cost of hiring resources, and choose a beneficial engagement model.
Determine Resource Requirements And Project Constraints
Identify resource requirements, skills, and expertise to hire Kotlin programmers, designers, testers, and project managers. Also, roles, responsibilities, experience, and qualifications are required to fit the position. Consider project constraints and limitations and communicate clearly with candidates about them.
Conduct Technical Interviews
Connect with your selected developer and test candidates' technical skills. Propose a technical test or coding assignment and give them a time window to finish it. Craft the test carefully according to your project technology because you have to test developers' technical skills and knowledge about the relevant technology. Based on their submission, make your decision whether you want to hire the candidate or not.
Screen Portfolios With Precision
Choose a reliable Kotlin development company and ask them to send developers profiles. Go through each profile and evaluate the developer's skills, expertise, experience, qualification, etc. Consult their previous clients and ask them for feedback. Their experience will help you understand the project-handling skills of potential candidates. After finishing the process, shortlist candidates and determine the interview process.
Propose Technical Assignments
While interviewing Kotlin developers for hire, give a technical test or coding challenge to analyze their programming skills. Discuss your project technology and ask them to find loopholes and provide feedback. You can judge the candidate based on their problem-identifying skills. Also, check their availability, work ethics, and communication skills.
Start The Trial
Take a 15-day risk-free trial to cross-verify your decision. During this phase, you can change your team or terminate the services if developers don't meet your expectations. If you're satisfied with their services, hire Kotlin app developers for Android app development after negotiating crucial factors and technology stack.
Required Technical Skills To Check Before Selecting Kotlin Developers For Hire
Knowledge of Kotlin Language Fundamentals
Kotlin developers must be familiar with the syntax, features, and concepts of Kotlin programming language. They should know about variables, data types, control flow statements, classes, inheritance, functions, and other important concepts.
Object-Oriented Programming (OOP)
You should hire Kotlin app developers with a strong understanding of object-oriented programming, such as encapsulation inheritance and polymorphism. Kotlin is an object-oriented language; understanding these concepts is crucial for writing clean and maintenance codes.
Familiar With Kotlin Android App Development Techniques
Kotlin has gained significant popularity for Android app development. Programmers must grasp Kotlin Android app development concepts, including activities, fragments, views, layout, and resource management. Developers should know how to build user interfaces, handle user input and interact with backend services.
Skilled in Using Kotlin Standard Library
The Kotlin standard library provides a rich set of APIs and extensions that simplifies development and offers convenience. Kotlin developers should be proficient in using standard library features to leverage projects effectively.
Understanding of Java Interoperability
Kotlin is fully compatible with Java and interoperates with existing Java code seamlessly. Hire Kotlin developers who are experienced in working with Java libraries, frameworks, and APIs and use them for app development with Kotlin.
Experienced in Using Functional Programming
Kotlin supports functional Programming Paradigms. Developers must know functional programming concepts like Lambda expressions, higher-order functions, and immutability. It is a must-have technical skill to write concise and expressive codes.
Proficient in Using Development Tools and IDEs
Hire Kotlin developers who are familiar with popular development tools and Integrated Development Environments such as Android Studio and IntelliJ IDEA. Kotlin developers must know how to effectively use debugging tools, code editors, build systems, and version control systems.
Important Technical Interview Questions To Help You Hire Kotlin Programmers
1 What are data classes in Kotlin?
Kotlin data classes hold the data, and its constructors have at least one parameter. It is a must-ask interview question because developers cannot work on the project without creating data classes. Hire Kotlin developers who can answer the question and know how to create data classes.
2 Define Null Safety in Kotlin.
Null Safety in Kotlin is a process to clear the risk of Null references present in codes. The Kotlin compiler throws away NullPointerException if it discovers a Null argument passing without executing other statements. Hire Kotlin developers who are well-versed in using null safety to ensure security.
3How many modifiers are available in Kotlin?
Kotlin primarily has four visibility modifiers, including private, protected, internal, and public. All modifiers are visible in their respective parts. You must put forward this question to demonstrate the technical knowledge of Kotlin developers.
4 What are strings in Kotlin?
There are two types of strings in Kotlin, Raw Strings, and Escaped Strings. Raw Strings comprise arbitrary text, newlines, and other characters, and Escaped strings handle special characters. The concept is an important part of Kotlin's development. Your developer must be well-versed in using these strings.
5Define Scope Functions in Kotlin.
Scope functions help to execute blocks of codes within the scope objects. Developers use scope functions to wrap a set of logic or variables and return object literals in the form of results. Your programmers must have the skills to access these objects without their names to streamline development.
Technical Questions To Ask While Communicating With Kotlin Developers For Hire
Add these interview questions to your list to analyze the technical expertise of Kotlin developers.
- Can you name different types of Variables in Kotlin?
- Explain the role and usage of Companion Object in Kotlin for Android developers.
- What do you know about sealed classes in Kotlin?
- What is the primary use of extension functions?
- Define the use of abstraction in Kotlin.
Reasons To Choose Kotlin For Android App Development
1. Interoperability With Java
Kotlin is interoperable with Java and enables developers to use existing Java tools, libraries, frameworks, and codes in Kotlin projects. It allows easy migration of JAVA projects to Kotlin and facilitates collaboration between Kotlin and Java developers. Both technologies extend project functionalities and make the app technically more advanced.
2. Concise & Readable Syntax
Kotlin has a concise and expressive syntax that reduces boilerplate code and improves code readability. It provides features like type inference, data classes, Lambda expressions, extension functions, and smart casts. These features make the code more concise, leading to increased productivity and reducing the risk of committing errors.
3. Null Safety
Kotlin addresses the notorious null pointer exception issue by incorporating Null safety features into its type system. Nullable and non-nullable types are explicitly defined, preventing Null references and offering more reliable codes. The feature helps eliminate a significant source of bugs and enhance the stability of your application.
4. Tooling and IDE Support
Kotlin gives excellent tool support, including integration with popular Integrated Development Environments (IDEs) such as IntelliJ IDEA and Android Studio. These IDEs provide advanced features like code completion, refactoring, debugging, and linting support, which enhance developers' productivity and help catch errors early in the development process.
5. Coroutines For Asynchronous Programming
Kotlin has built-in support for coroutines, which simplifies asynchronous programming. It allows developers to write asynchronous code in a sequential & readable manner, making it easier to handle concurrency & asynchronous operations. It supports writing efficient, non blocking codes and improves overall application performance.
6. Android Development
Kotlin is the preferred language for Android app development. It offers full compatibility with the Android platform and provides features specifically designed for Android development. Using Kotlin for Android development leads to shorter development cycles, improved code quality, and enhanced app performance.
7. Gradual Adoption And Learning Curve
Kotlin has a smooth learning curve, especially for developers coming from a Java background. Its syntax is familiar to Java developers, making it easier to adopt and start using Kotlin in existing projects. Developers can mix Java and Kotlin code seamlessly and opt for a gradual transition.
AIS Technolabs is a perfect choice for taking Kotlin Android application development services. We plan the process carefully, allocate sufficient resources, manage time, and ensure quality with unit, integration, and regression testing. Our experts deploy bug-free apps that run on all platforms smoothly and achieve maximum revenues.
