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Sergey Kargopolov

Software developer

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Sergey Kargopolov Courses

Spring Boot Microservices and Spring Cloud. Build & Deploy.

$11.99

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RESTful Web Services with Spring Framework - A quick start

Free

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RESTful Web Services, Java, Spring Boot, Spring MVC and JPA

$79.99

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OAuth 2.0 in Spring Boot Applications

$84.99

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Apache Kafka for Event-Driven Spring Boot Microservices

$74.99

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Testing Java: JUnit 5, Mockito, Testcontainers, REST Assured

$84.99

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Event-Driven Microservices, CQRS, SAGA, Axon 4, Spring Boot

$79.99

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Unit Testing Swift Mobile App

$89.99

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Spec-Driven Development with AI. Kiro. GitHub Spec Kit.

$12.99

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AWS Serverless REST APIs for Java Developers. CI/CD included

$10.99

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Deploy Spring Boot Microservices on AWS ECS with Fargate

$12.99

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Reactive Applications with Spring WebFlux Framework

$10.99

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Kafka Connect - Building Data Pipelines With Kafka

$12.99

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[New] Kubernetes for Java Developers: Hands‑On Fundamentals

$12.99

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Docker, Docker Hub and Docker Compose for Java Developers

$12.99

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Most Recent Review

I liked very clear and step-by-step approach in explanations, especially for GitHub SpecKit, which I've been using without actually understanding the internals.
- Review by Anastasiya Barska on Spec-Driven Development with AI. Kiro. GitHub Spec Kit.

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Instructor Bio

I build software and teach developers how to build real-world applications. Creating practical, hands-on video courses is something I really enjoy.

My courses cover Java, Spring Boot, AWS, microservices, testing, Kubernetes, and AI-assisted software development. The focus is on learning skills that developers can apply to their own projects.

Outside of teaching, I am also the founder of SaaS Hive, a platform that helps SaaS founders launch and promote their products.