See the whole route
Explore the modules below: topics and lesson order are visible before you start.
Profession
Backend developer
Explore server-side development with JavaScript, Express and SQL. Learn how application logic, asynchronous code and databases work together.
Start with one lesson. Find your own rhythm.
8 modules82 lessonsAt your own pace
4.5/5App rating · Google Play
Backend developer
From a first step to a new skill
- Understand
- Try
- Apply
Benefits
Learn by doing.
A clear programme, hands-on practice and your own pace help turn what you read into something you can use.
Practise as you learn
Explore examples, answer questions and try solutions as you work through each topic.
Continue on any device
One account keeps your learning progress across the app and browser.
Your outcome
What you will explore
Explore server-side development with JavaScript, Express and SQL. Learn how application logic, asynchronous code and databases work together.
- JavaScript fundamentals
- Arrays and functions
- Objects and ES6
- Express fundamentals
- js
- HTML
- CSS
- SQL
- Node.js
A career path built from skills
Course syllabus
See the whole path, one clear step at a time.
Lessons, exercises and projects have distinct labels. Expand a module to see what is inside, and revisit completed topics in the app.
This course overview and the module headings are available in English. Lessons and exercises are currently in Russian.
8 modules · 82 lessons
01JavaScript fundamentals11 lessons
02Arrays and functions12 lessons
03Objects and ES69 lessons
04Express fundamentals10 lessons
05Managing application logic12 lessons
06Classes and asynchronous patterns8 lessons
07Working with databases11 lessons
08Advanced SQL9 lessons
An achievement you can share
Kodik diploma
Complete a career programme and save your personalised Kodik diploma of completion.
- Your name on it
- Download as PDF
- Saved in your profile
PROAvailable after completing all lessons, with an active PRO subscription and completed profile details.
This records completion of a Kodik programme. It is not a state-recognised professional qualification.
Backend developer
How learning works
From a new topic to your own solution
Follow a clear sequence and revisit the topics that need more practice.
- 01
Understand the topic
Start with the explanation and examples in a lesson. New concepts are easier to understand when you see how they work.
- 02
Try it yourself
Solve exercises and check your answers. Practice shows what you understand and what needs another look.
- 03
Build understanding
Follow the programme at your own pace. Completed topics remain available for revision.
The Kodik community
Learning feels better together
Ratings and experiences shared by Kodik app users on Google Play.
4.5/ 5
App ratingChecked Sep 6, 2026Хорошее приложение. Оплатил Pro-версию на год.Review excerpt · Original review in RussianОбучение максимально облегчили, все только по материалу и ещё дают задачки на проверку.Review excerpt · Original review in RussianСразу скажу, ну ооооочень затягивает. Плюсов очень много.Review excerpt · Original review in RussianQuestions
Before your first step
A few things you may want to know before you begin.
How do I know if this programme is right for me?
Read the overview and expand the modules to see the topics and lesson order. Open the learning app to explore available lessons before choosing a subscription.
How quickly do I need to study?
At your own pace. Complete several lessons or come back later. Your account saves your progress, and completed topics remain available for revision.
What is free and what needs PRO?
Access is shown inside the app. Some lessons and features require PRO. Current prices and subscription terms are shown before payment.
Can I learn on a phone and a computer?
Yes. Sign in with the same account in the mobile app or web version to continue your programme.
How do I get a certificate or diploma?
Complete all lessons, fill in your profile details and open the document with an active PRO subscription. Career programmes award a Kodik diploma; courses and skills award a Kodik certificate.