
Andrii Piatakha
Online Course Instructor
4.44 (23.6K reviews)
Statistics
2.1M
total students
1445 hours
total content
May 2020
first content date
Mar 2026
last content date
Courses (66)
🎯 Courses with Active Coupons (21)

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76 left 1h ago
Mastering GRASP Principles in Object-Oriented Design
(5.00 with 1 reviews)
2.3K
students
5.0 hours
content
Feb 2026
updated
$12.99$0

ONLY
56 left 2h ago
Customer Service with AI: Practical Skills and Automation
(4.52 with 51 reviews)
3.8K
students
5.9 hours
content
Dec 2025
updated
$11.99$0

ONLY
54 left 1h ago
AI for Customer Success: Transforming Customer Relationships
(4.25 with 10 reviews)
2.8K
students
5.9 hours
content
Dec 2025
updated
$11.99$0

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7 left 2h ago
AI Security Fundamentals: Risks, Frameworks & Tools
(4.27 with 13 reviews)
5.6K
students
8.1 hours
content
Feb 2026
updated
$12.99$0

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4 left 1h ago
Code Reviews for Secure, Clean, and Scalable Code
(4.38 with 489 reviews)
21.0K
students
23 hours
content
Nov 2025
updated
$14.99$0

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25 left 2h ago
Data-Driven Quality Assurance & Quality Control: Metrics/KPI
(4.44 with 53 reviews)
10.1K
students
5.2 hours
content
Nov 2025
updated
$14.99$0

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11 left 1h ago
Extreme Programming (XP): Techniques for Agile Development
(4.45 with 22 reviews)
10.8K
students
8.8 hours
content
Nov 2025
updated
$17.99$0

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27 left 1h ago
Resilience4j with Spring Boot: Build Fault-Tolerant Systems
(4.18 with 11 reviews)
7.7K
students
11 hours
content
Nov 2025
updated
$14.99$0

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48 left 1h ago
Software Architecture and Clean Code Design in OOP
(4.41 with 686 reviews)
110.1K
students
89 hours
content
Apr 2026
updated
$17.99$0

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51 left 2h ago
Defect Management & QA Reporting: Metrics & KPIs
(4.11 with 22 reviews)
8.7K
students
5.2 hours
content
Nov 2025
updated
$17.99$0

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45 left 2h ago
Resilience Patterns in Microservice Architecture: Hands-On
(4.68 with 22 reviews)
7.9K
students
11 hours
content
Nov 2025
updated
$14.99$0

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70 left 1h ago
JUnit 5, Mockito, PowerMock, TDD, BDD & ATTD
(4.33 with 390 reviews)
88.2K
students
4.3 hours
content
Nov 2025
updated
$14.99$0

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50 left 2h ago
Agile Mindset & Adaptability: The Complete Guide to XP
(4.63 with 19 reviews)
11.6K
students
8.8 hours
content
Nov 2025
updated
$14.99$0

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73 left 1h ago
UML: The Most Complete Guide with Real-Life Examples
(4.22 with 88 reviews)
23.6K
students
6.3 hours
content
Nov 2025
updated
$14.99$0

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8 left 2h ago
QA Metrics & KPIs: Testing, Defect Tracking & Automation
(4.48 with 53 reviews)
10.9K
students
5.2 hours
content
Nov 2025
updated
$14.99$0

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68 left 1h ago
GoF Design Patterns - Complete Course with Java Examples
(4.19 with 599 reviews)
94.5K
students
3.6 hours
content
Nov 2025
updated
$14.99$0

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37 left 2h ago
Customer Service with ChatGPT: AI-Driven Customer Care
(4.68 with 83 reviews)
15.7K
students
5.9 hours
content
Nov 2025
updated
$17.99$0

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74 left 59m ago
Functional Programming + Lambdas, Method References, Streams
(4.26 with 349 reviews)
131.6K
students
2.5 hours
content
Nov 2025
updated
$14.99$0

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9 left 2h ago
Java Collections Framework + Generics, Lambdas & Stream API
(4.52 with 1.1K reviews)
183.8K
students
6.7 hours
content
Nov 2025
updated
$17.99$0

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43 left 2h ago
TDD, CI/CD, Pair Programming & Other XP Practices for Devs
(4.39 with 28 reviews)
12.0K
students
8.8 hours
content
Nov 2025
updated
$14.99$0

ONLY
37 left 1h ago
Customer Success with ChatGPT(AI): Innovate Client Relations
(4.41 with 49 reviews)
16.4K
students
5.9 hours
content
Nov 2025
updated
$17.99$0
📚 Other Courses (45)

OWASP API Security Top 10 2023: Comprehensive Security Guide
(4.51 with 65 reviews)
4.5K
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37 hours
content
Feb 2026
updated
$12.99

Service Oriented Architecture and Event Driven Systems
(4.25 with 2 reviews)
427
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4.8 hours
content
Mar 2026
updated
$12.99

Cybersecurity for Developers: From Basics to Best Practices
(4.60 with 87 reviews)
8.4K
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37 hours
content
Feb 2026
updated
$14.99

Project Management with ChatGPT: Complete Guide
(4.41 with 482 reviews)
26.4K
students
38 hours
content
Nov 2025
updated
$12.99

Threat Modeling for Agentic AI: Attacks, Risks, Controls
(4.29 with 7 reviews)
4.3K
students
8.0 hours
content
Feb 2026
updated
$14.99

OpenAI API (ChatGPT, Whisper, DALL-E) - Complete Course
(4.40 with 71 reviews)
11.0K
students
29 hours
content
Feb 2026
updated
$14.99

AI for Business Analysts: Practical Workflow Automation
(4.39 with 41 reviews)
4.7K
students
2.7 hours
content
Dec 2025
updated
$11.99

Language Learning with AI: Practical Skills Guide
(3.89 with 14 reviews)
4.8K
students
1.4 hours
content
Dec 2025
updated
$11.99

AI for Customer Experience: CX Automation and Analytics
(4.68 with 14 reviews)
3.8K
students
5.9 hours
content
Nov 2025
updated
$14.99

AI for Program Managers: Practical Skills and Automation
(4.63 with 28 reviews)
5.2K
students
37 hours
content
Nov 2025
updated
$14.99

Practical Guide to Using Custom GPTs: Work Assistants
(3.50 with 1 reviews)
674
students
2.0 hours
content
Nov 2025
updated
FREE

Master Basics of ChatGPT & OpenAI API
(4.35 with 97 reviews)
7.6K
students
1.8 hours
content
Jul 2025
updated
FREE

JDBC, DAO & SQL: Practical Crash Course - Build Database App
(4.54 with 82 reviews)
14.4K
students
15 hours
content
Nov 2025
updated
$14.99

Oracle Certified Associate Java Programmer (OCAJP) 1Z0-808
(4.56 with 593 reviews)
37.6K
students
33 hours
content
Nov 2025
updated
$14.99

Enterprise AI Security Architecture: Protecting AI Apps
(4.19 with 16 reviews)
6.3K
students
8.1 hours
content
Feb 2026
updated
$14.99

Securing AI Applications: From Threats to Controls
(4.90 with 5 reviews)
5.3K
students
8.1 hours
content
Feb 2026
updated
$12.99

AI Cybersecurity Solutions: Overview of Applied AI Security
(4.67 with 192 reviews)
9.5K
students
8.1 hours
content
Feb 2026
updated
$12.99

Java Programming - Master Java Basics
(4.39 with 714 reviews)
25.5K
students
2.5 hours
content
Aug 2025
updated
FREE

JPA & Hibernate: Complete Course with Online Shop Example
(4.48 with 72 reviews)
11.5K
students
6.6 hours
content
Oct 2025
updated
$14.99

Java Multithreading - Concurrency, Parallelism & Performance
(4.47 with 281 reviews)
68.4K
students
5.6 hours
content
Sep 2025
updated
$14.99

Secure coding in Java with Web Application Examples
(4.39 with 1.1K reviews)
19.0K
students
30 hours
content
Sep 2025
updated
$14.99

Git from Basics to Advanced: Practical Guide for Developers
(4.52 with 2.1K reviews)
170.6K
students
11 hours
content
Nov 2025
updated
$14.99

Preparation to Java SE 11 Developer Exam: 1Z0-819 & 1Z0-817
(4.56 with 352 reviews)
13.3K
students
42 hours
content
Sep 2025
updated
$14.99

Spring Framework for Java Developers: Practical Guide
(4.45 with 296 reviews)
25.2K
students
28 hours
content
Oct 2025
updated
$14.99

Automating Customer Success Workflows with AI
(4.26 with 81 reviews)
426
students
5.7 hours
content
Oct 2025
updated
$17.99

Secure Coding in Spring Boot: Real-World Coding Guide
(4.47 with 19 reviews)
10.7K
students
12 hours
content
Nov 2025
updated
$14.99

Java from Zero to First Job, Practical Guide, 2000+ examples
(4.47 with 6.3K reviews)
295.5K
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179 hours
content
Apr 2026
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$14.99

OWASP Top 10 LLM 2025: AI Security Essentials
(4.45 with 65 reviews)
8.9K
students
12 hours
content
Feb 2026
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$14.99

Secure Code in Java and Spring Boot: Build Resilient Apps
(4.37 with 47 reviews)
10.6K
students
35 hours
content
Nov 2025
updated
$14.99

Java Best Practices for Efficient, Scalable, and Secure Code
(4.56 with 188 reviews)
12.0K
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90 hours
content
Apr 2026
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$17.99

OWASP API Security Top 10 2021/2023/2025 with Java Examples
(4.44 with 736 reviews)
28.5K
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38 hours
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$17.99

Oracle Java SE 17 Developer Professional: 1Z0-829 Exam
(4.48 with 81 reviews)
9.1K
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41 hours
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Oracle Java SE 21 Developer Professional: 1Z0-830
(4.57 with 322 reviews)
18.8K
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40 hours
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Secure Coding: Security Best Practices in Web Applications
(4.73 with 28 reviews)
10.6K
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36 hours
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$14.99

Java EE, Web Development: HTTP, Server,Servlet,HTML/CSS,JSP
(4.52 with 196 reviews)
30.0K
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77 hours
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$14.99

Object Oriented Programming - Basics to Advance (Java OOP)
(4.57 with 2.6K reviews)
205.9K
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25 hours
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$14.99

ChatGPT Complete Guide: OpenAI API, AI Tools, ChatGPT 4
(4.61 with 109 reviews)
17.3K
students
28 hours
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Feb 2026
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$14.99

Relational Databases & SQL: Complete Guide for Developers
(4.45 with 528 reviews)
52.6K
students
15 hours
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Nov 2025
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$14.99

Information Security Crash Course: Quick Steps to Safety
(4.45 with 157 reviews)
22.5K
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13 hours
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SDET C#: Test Automation From Scratch - Detailed Guide
(4.46 with 199 reviews)
32.3K
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32 hours
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OWASP Seguridad API Top 10 2021 + 2023 con Ejemplos en Java
(4.60 with 25 reviews)
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Codificación Segura en Java con Ejemplos de Aplicaciones Web
(4.51 with 42 reviews)
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12 hours
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Mejores Prácticas de Seguridad en Aplicaciones Web
(4.13 with 24 reviews)
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