Kotlin Fundamentals Beginner
The Kotlin Fundamentals course teaches core programming concepts in Kotlin, including variables, functions, null safety, and object-oriented principles, for aspiring Android and full-stack developers transitioning from languages like Java or Python. Designed for beginners with basic coding knowledge, it addresses the industry gap where 70% of top Android apps now use Kotlin, yet 64% of developers surveyed have not yet adopted it commercially. Learners gain hands-on experience building console and Android applications using JetBrains-validated practices.
This course prepares learners for the Associate Android Developer Certification in Kotlin by Google. Koenig provides official vendor-authorized courseware and 30-day lab access, enabling learners to reinforce skills through real-world projects. Graduates build a portfolio-ready foundation to pursue roles as Android developers, where Kotlin proficiency commands median salaries of $65,815 and is required by leading tech firms including Google, Amazon, and Uber.
Training Formats & Pricing
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Course Overview
The Kotlin Fundamentals course by Open Source is designed to equip aspiring developers with essential skills in the modern Kotlin programming language, widely adopted by industry leaders like Google for Android development. This course prepares learners for roles such as Android Developer, Mobile Application Developer, and Software Engineer using Kotlin. With over 60 percent of professional Android developers now using Kotlin as their primary language, demand for Kotlin proficiency continues to grow across tech enterprises and startups alike.
Students engage with core technologies including the Kotlin Standard Library, Android SDK, Jetpack libraries, Room Database, RecyclerView, and Retrofit for API integration. The hands-on lab environment is built within Android Studio, the official IDE for Android development, where learners configure real Android apps from scratch. Using step-by-step codelabs, students build functional applications such as a task-tracking app with local database storage and a weather data viewer that pulls live information from RESTful APIs, gaining practical experience in UI design, lifecycle management, and asynchronous data handling.
This course provides direct preparation for the Android Development with Kotlin certification pathway recognized by Google and highly valued in the mobile development industry. Certified Kotlin developers report strong market demand and competitive salaries. Open Source enhances this learning journey with instructor-led training, guaranteed-to-run batches, and access to official courseware. Enroll in our next instructor-led Kotlin Fundamentals cohort to start building production-ready Android apps.
What You'll Learn
Prerequisites
- Basic understanding of programming concepts such as variables, control structures (if/else, loops), and functions.
- Familiarity with object-oriented programming principles, including classes and objects.
- Experience with at least one programming language, preferably Java, as Kotlin is interoperable with Java and uses similar syntax.
- Basic knowledge of using an Integrated Development Environment (IDE), such as IntelliJ IDEA or Android Studio, for writing and running code.
- Some exposure to development on the Android platform is beneficial but not strictly necessary.
- Willingness to learn and adapt to new programming paradigms and syntax.
Certification Exam
Everything you need to know about the Kotlin Fundamentals certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of Kotlin Fundamentals certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the Kotlin Fundamentals certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Kotlin Developer
- Android Developer
- Backend Developer (JVM)
- Mobile Application Developer
- Software Engineer (Kotlin)
- Full-Stack Developer (Kotlin/JS)
Companies Hiring
and 5,000+ organizations worldwide seeking Kotlin Fundamentals certified professionals
Course Student Reviews
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“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Resources
Learn more about Kotlin Fundamentals before you enroll
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