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kotlin

Learn Modern Kotlin Programming for Android and Backend Development – From Basics to Advanced Functional Programming
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Course Duration: 10 Hours
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Kotlin Development: Master Android and Backend Programming – Self-Paced Online Course
 
Kotlin is a modern, concise, and powerful programming language that is transforming the way developers build mobile and backend applications. Endorsed by Google as the preferred language for Android development, Kotlin is also gaining momentum in server-side programming, data pipelines, and web development. This Kotlin Development Course is a complete, self-paced learning experience designed to take you from the fundamentals of Kotlin to advanced applications in both Android mobile development and backend API services.
 
This course is ideal for software developers, beginners in mobile development, Java programmers looking to switch, or professionals aiming to expand their development skills. It provides a comprehensive learning path that blends theory with hands-on practice, helping learners write clean, expressive, and efficient Kotlin code.
 
We start with an introduction to Kotlin syntax and programming basics, including variables, functions, conditional logic, loops, and type systems. You’ll learn how Kotlin’s concise syntax and smart type inference help reduce boilerplate code and minimize common programming errors. One of the key early focuses is null safety, a feature that drastically reduces the chances of null pointer exceptions—a major pain point in Java.
 
As you build confidence in Kotlin's core concepts, the course expands into object-oriented programming (OOP) with Kotlin, covering classes, inheritance, interfaces, encapsulation, and polymorphism. You’ll also dive into functional programming constructs like higher-order functions, lambda expressions, immutability, and collections operations, allowing you to write code that is not only efficient but easier to test and maintain.
 
The course provides an in-depth walkthrough of Kotlin's advanced language features such as extension functions, destructuring declarations, sealed classes, companion objects, and delegation. These powerful features give you the flexibility and tools to write expressive and reusable code for complex applications.
 
The real strength of this course lies in its application-focused learning approach. You’ll transition from writing simple Kotlin scripts to building fully functional Android applications using Android Studio. You’ll learn how to create mobile user interfaces with XML and Jetpack Compose, structure your app logic using ViewModels and LiveData, and store data locally using Room Database. Each Android module is paired with a real-world app-building exercise, such as a to-do list manager, weather app, and personal finance tracker, allowing you to apply your skills in a practical and meaningful context.
 
You'll also explore asynchronous programming in Kotlin using Coroutines—Kotlin’s native way to handle background tasks and concurrency. By learning how to use Coroutines with structured concurrency and scopes, you’ll be able to manage tasks like data fetching, file operations, and real-time updates in a clean, lifecycle-aware way.
 
As part of modern mobile development practices, the course integrates key Jetpack libraries such as Navigation, Data Binding, and Hilt for dependency injection. These libraries help you write modular, maintainable, and testable Android applications aligned with the MVVM architecture pattern, which is widely adopted across the industry.
 
Beyond mobile development, the course also introduces you to Kotlin for backend development using Ktor, a powerful and lightweight framework created by JetBrains for building REST APIs and asynchronous web applications. You'll build backend services with routing, JSON handling, request validation, and PostgreSQL database integration using the Exposed ORM library. This allows you to understand how Kotlin can be used in full-stack environments, making you a more versatile developer.
 
The backend portion of the course includes projects such as building a RESTful API for a blog platform or task manager, which complements the frontend mobile apps and prepares you for real-world full-stack development scenarios.
 
Throughout the course, you'll work on multiple guided projects, each designed to reinforce learning objectives and simulate professional development challenges. You’ll learn how to integrate third-party libraries, consume APIs using Retrofit, authenticate users with Firebase, and handle cloud storage. You’ll also write unit tests and UI tests to ensure the reliability and performance of your code.
 
By the end of the course, you will have a solid foundation in Kotlin, the ability to develop Android apps from scratch, and the knowledge to build and deploy backend services. You’ll also be prepared to publish your apps to the Google Play Store, showcasing your work to potential employers or users.
 
This course goes beyond just technical instruction—it prepares you for career opportunities. Whether your goal is to become an Android Developer, Kotlin Developer, or Full-Stack Engineer, this course gives you a portfolio of projects, a working knowledge of modern development practices, and the confidence to apply for jobs or freelance opportunities in mobile or backend development.
 
You’ll receive a Certificate of Completion from Uplatz at the end of the course, which affirms your proficiency and can be shared on your resume and LinkedIn profile to demonstrate your skills to employers. You’ll also gain lifetime access to the course materials, updates, mentor support, and community forums to help you continue growing long after completion.
 
In today’s competitive tech landscape, Kotlin is an essential tool for developers who want to stay ahead. This course is your step-by-step guide to mastering Kotlin, building modern apps, and launching a career in one of the most exciting and high-demand areas of software development.

Course/Topic 1 - Coming Soon

  • The videos for this course are being recorded freshly and should be available in a few days. Please contact info@uplatz.com to know the exact date of the release of this course.

    • 01:20
Course Objectives Back to Top
This Kotlin course is structured to build a deep understanding of Kotlin's syntax, features, and practical applications in both Android and backend environments.
 
By the end of this course, learners will be able to:
  • Understand Kotlin fundamentals including variables, functions, classes, and inheritance.
  • Apply object-oriented and functional programming concepts using Kotlin.
  • Use null safety, type inference, smart casts, and extension functions.
  • Develop Android applications using Kotlin in Android Studio.
  • Implement Jetpack components like ViewModel, LiveData, and Room Database.
  • Work with Retrofit, Coroutines, and Firebase in Android development.
  • Build RESTful APIs and backend services using Kotlin and Ktor.
  • Connect Kotlin backend to databases using Exposed and PostgreSQL.
  • Use MVVM architecture and write unit/instrumentation tests.
Deploy Kotlin projects for real-world applications and publish Android apps to Google Play
Course Syllabus Back to Top

Kotlin – Course Syllabus

1. Advanced Kotlin Language Features

  • Functional programming in Kotlin: Lambdas, inline functions

  • Kotlin's type system and null safety

  • Extension functions, infix notation, and operator overloading

  • DSL construction and use cases

  • Reflection and annotations

2. Kotlin Application Architecture

  • Clean Architecture principles

  • MVVM and MVI patterns in Kotlin applications

  • Dependency Injection with Koin and Dagger/Hilt (in non-Android projects)

  • Modularity and multi-module project setup

  • Managing state with sealed classes, StateFlow, and SharedFlow

3. Networking and APIs

  • Ktor client/server for network communication

  • Serialization with Kotlinx Serialization and Moshi

  • Error handling and retry logic in HTTP calls

  • Building and consuming RESTful APIs with Kotlin

4. Data Storage & Persistence

  • Working with SQLDelight, Exposed, and other Kotlin-first database tools

  • File I/O and serialization formats (JSON, ProtoBuf, XML)

  • Secure data storage and encryption strategies

  • In-memory and on-disk caching strategies

5. Concurrency & Background Processing

  • Kotlin Coroutines: basics to advanced

  • Structured concurrency and coroutine scopes

  • Channels and Flows for reactive programming

  • Writing thread-safe code with Mutex and SharedFlow

6. Kotlin for Desktop, Web, and Multiplatform

  • JetBrains Compose for Desktop UI

  • Kotlin/JS for web applications

  • Kotlin Multiplatform (KMP): sharing code across Android, iOS, Desktop

  • Interop with Swift, JavaScript, and Java

7. Testing and Debugging in Kotlin

  • Unit testing with JUnit5, Kotest, and MockK

  • Integration testing strategies

  • Benchmarking and performance profiling

  • Debugging Kotlin with IntelliJ and logging best practices

8. Build Tools and DevOps Integration

  • Gradle Kotlin DSL (build.gradle.kts)

  • Creating and publishing Kotlin libraries

  • Static code analysis: Detekt and Ktlint

  • CI/CD setup with GitHub Actions or GitLab CI

9. Performance & Optimization

  • Inline functions and performance trade-offs

  • Memory management and JVM internals

  • Profiling Kotlin applications

  • Best practices for optimizing startup and runtime performance

10. Real-World Projects & Interview Preparation

  • Build Kotlin apps: CLI tools, REST API server, Desktop tools

  • Code reviews and architecture deep-dives

  • Kotlin-specific interview questions and problem-solving

  • Contribution to open-source Kotlin projects

Certification Back to Top
Upon successful completion of the Kotlin Development course, learners will be awarded a Certificate of Completion from Uplatz, validating their expertise in modern application development using Kotlin. This certificate confirms that the learner has acquired in-depth knowledge of Kotlin programming, including core syntax, object-oriented and functional programming principles, and advanced language features such as Coroutines, extension functions, and null safety.
 
In addition to foundational skills, the certificate also affirms the learner's ability to build real-world Android applications using Jetpack libraries like ViewModel, LiveData, and Room Database. It also acknowledges their understanding of backend development using Ktor and PostgreSQL, API integration with Retrofit, and mobile architecture patterns such as MVVM.
 
This certificate serves as a professional credential that enhances your résumé, LinkedIn profile, and developer portfolio. It demonstrates your readiness for roles such as Android Developer, Kotlin Developer, Backend Engineer, or Full-Stack Developer. The course equips you with job-ready skills that are in high demand across industries including technology, fintech, e-commerce, and mobile app development.
 
By completing this course and earning the certification, you prove your ability to create scalable, efficient, and production-ready applications using Kotlin, both for mobile and backend platforms.
Career & Jobs Back to Top
Proficiency in Kotlin opens up job opportunities across mobile and backend development roles. Common positions include:
  • Android Developer
  • Kotlin Developer
  • Mobile App Engineer
  • Backend Engineer (Kotlin/Ktor)
  • Full-Stack Developer
  • Firebase Developer
  • Software Engineer – Mobile or Cloud


Kotlin is widely adopted in industries like fintech, e-commerce, healthcare, media, and startups. This course helps you build a strong portfolio and prepares you for interviews and team collaboration in Kotlin-focused roles.
Interview Questions Back to Top
  1. What is Kotlin?
     Kotlin is a statically typed programming language developed by JetBrains, fully interoperable with Java, and designed for concise, safe, and expressive code.
  2. How is Kotlin better than Java?
     Kotlin offers null safety, concise syntax, smart casts, extension functions, and coroutines, reducing boilerplate and common runtime errors.
  3. What is a data class in Kotlin?
     A data class automatically provides methods like toString(), equals(), and copy() for holding immutable data.
  4. What are Kotlin Coroutines used for?
     Coroutines simplify asynchronous programming by enabling non-blocking, concurrent operations in a readable way.
  5. How do you handle null safety in Kotlin?
     Kotlin uses nullable types (e.g., String?) and safe call operators (?.) to prevent NullPointerException.
  6. What is Jetpack in Android development?
     Jetpack is a suite of Android libraries including ViewModel, LiveData, Room, Navigation, and others that support modern app architecture.
  7. What is the difference between val and var in Kotlin?
     val is used for read-only (immutable) variables, while var is for mutable variables.
  8. What is Ktor in Kotlin?
     Ktor is a framework for building asynchronous servers and web applications in Kotlin.
  9. Can Kotlin be used for backend development?
     Yes, Kotlin can be used with frameworks like Ktor and Spring Boot for building scalable server-side applications.
  10. How do you use Retrofit in Kotlin?
     Retrofit is used to make network API calls in Android/Kotlin apps, usually combined with Coroutines and Gson for JSON parsing.
Course Quiz Back to Top
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Q1. What are the payment options?
A1. We have multiple payment options: 1) Book your course on our webiste by clicking on Buy this course button on top right of this course page 2) Pay via Invoice using any credit or debit card 3) Pay to our UK or India bank account 4) If your HR or employer is making the payment, then we can send them an invoice to pay.

Q2. Will I get certificate?
A2. Yes, you will receive course completion certificate from Uplatz confirming that you have completed this course with Uplatz. Once you complete your learning please submit this for to request for your certificate https://training.uplatz.com/certificate-request.php

Q3. How long is the course access?
A3. All our video courses comes with lifetime access. Once you purchase a video course with Uplatz you have lifetime access to the course i.e. forever. You can access your course any time via our website and/or mobile app and learn at your own convenience.

Q4. Are the videos downloadable?
A4. Video courses cannot be downloaded, but you have lifetime access to any video course you purchase on our website. You will be able to play the videos on our our website and mobile app.

Q5. Do you take exam? Do I need to pass exam? How to book exam?
A5. We do not take exam as part of the our training programs whether it is video course or live online class. These courses are professional courses and are offered to upskill and move on in the career ladder. However if there is an associated exam to the subject you are learning with us then you need to contact the relevant examination authority for booking your exam.

Q6. Can I get study material with the course?
A6. The study material might or might not be available for this course. Please note that though we strive to provide you the best materials but we cannot guarantee the exact study material that is mentioned anywhere within the lecture videos. Please submit study material request using the form https://training.uplatz.com/study-material-request.php

Q7. What is your refund policy?
A7. Please refer to our Refund policy mentioned on our website, here is the link to Uplatz refund policy https://training.uplatz.com/refund-and-cancellation-policy.php

Q8. Do you provide any discounts?
A8. We run promotions and discounts from time to time, we suggest you to register on our website so you can receive our emails related to promotions and offers.

Q9. What are overview courses?
A9. Overview courses are 1-2 hours short to help you decide if you want to go for the full course on that particular subject. Uplatz overview courses are either free or minimally charged such as GBP 1 / USD 2 / EUR 2 / INR 100

Q10. What are individual courses?
A10. Individual courses are simply our video courses available on Uplatz website and app across more than 300 technologies. Each course varies in duration from 5 hours uptop 150 hours. Check all our courses here https://training.uplatz.com/online-it-courses.php?search=individual

Q11. What are bundle courses?
A11. Bundle courses offered by Uplatz are combo of 2 or more video courses. We have Bundle up the similar technologies together in Bundles so offer you better value in pricing and give you an enhaced learning experience. Check all Bundle courses here https://training.uplatz.com/online-it-courses.php?search=bundle

Q12. What are Career Path programs?
A12. Career Path programs are our comprehensive learning package of video course. These are combined in a way by keeping in mind the career you would like to aim after doing career path program. Career path programs ranges from 100 hours to 600 hours and covers wide variety of courses for you to become an expert on those technologies. Check all Career Path Programs here https://training.uplatz.com/online-it-courses.php?career_path_courses=done

Q13. What are Learning Path programs?
A13. Learning Path programs are dedicated courses designed by SAP professionals to start and enhance their career in an SAP domain. It covers from basic to advance level of all courses across each business function. These programs are available across SAP finance, SAP Logistics, SAP HR, SAP succcessfactors, SAP Technical, SAP Sales, SAP S/4HANA and many more Check all Learning path here https://training.uplatz.com/online-it-courses.php?learning_path_courses=done

Q14. What are Premium Career tracks?
A14. Premium Career tracks are programs consisting of video courses that lead to skills required by C-suite executives such as CEO, CTO, CFO, and so on. These programs will help you gain knowledge and acumen to become a senior management executive.

Q15. How unlimited subscription works?
A15. Uplatz offers 2 types of unlimited subscription, Monthly and Yearly. Our monthly subscription give you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews each month. Minimum committment is for 1 year, you can cancel anytime after 1 year of enrolment. Our yearly subscription gives you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews every year. Minimum committment is for 1 year, you can cancel the plan anytime after 1 year. Check our monthly and yearly subscription here https://training.uplatz.com/online-it-courses.php?search=subscription

Q16. Do you provide software access with video course?
A16. Software access can be purchased seperately at an additional cost. The cost varies from course to course but is generally in between GBP 20 to GBP 40 per month.

Q17. Does your course guarantee a job?
A17. Our course is designed to provide you with a solid foundation in the subject and equip you with valuable skills. While the course is a significant step toward your career goals, its important to note that the job market can vary, and some positions might require additional certifications or experience. Remember that the job landscape is constantly evolving. We encourage you to continue learning and stay updated on industry trends even after completing the course. Many successful professionals combine formal education with ongoing self-improvement to excel in their careers. We are here to support you in your journey!

Q18. Do you provide placement services?
A18. While our course is designed to provide you with a comprehensive understanding of the subject, we currently do not offer placement services as part of the course package. Our main focus is on delivering high-quality education and equipping you with essential skills in this field. However, we understand that finding job opportunities is a crucial aspect of your career journey. We recommend exploring various avenues to enhance your job search:
a) Career Counseling: Seek guidance from career counselors who can provide personalized advice and help you tailor your job search strategy.
b) Networking: Attend industry events, workshops, and conferences to build connections with professionals in your field. Networking can often lead to job referrals and valuable insights.
c) Online Professional Network: Leverage platforms like LinkedIn, a reputable online professional network, to explore job opportunities that resonate with your skills and interests.
d) Online Job Platforms: Investigate prominent online job platforms in your region and submit applications for suitable positions considering both your prior experience and the newly acquired knowledge. e.g in UK the major job platforms are Reed, Indeed, CV library, Total Jobs, Linkedin.
While we may not offer placement services, we are here to support you in other ways. If you have any questions about the industry, job search strategies, or interview preparation, please dont hesitate to reach out. Remember that taking an active role in your job search process can lead to valuable experiences and opportunities.

Q19. How do I enrol in Uplatz video courses?
A19. To enroll, click on "Buy This Course," You will see this option at the top of the page.
a) Choose your payment method.
b) Stripe for any Credit or debit card from anywhere in the world.
c) PayPal for payments via PayPal account.
d) Choose PayUmoney if you are based in India.
e) Start learning: After payment, your course will be added to your profile in the student dashboard under "Video Courses".

Q20. How do I access my course after payment?
A20. Once you have made the payment on our website, you can access your course by clicking on the "My Courses" option in the main menu or by navigating to your profile, then the student dashboard, and finally selecting "Video Courses".

Q21. Can I get help from a tutor if I have doubts while learning from a video course?
A21. Tutor support is not available for our video course. If you believe you require assistance from a tutor, we recommend considering our live class option. Please contact our team for the most up-to-date availability. The pricing for live classes typically begins at USD 999 and may vary.
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