Reactive Microservices with Vert.x and Java — PickAClass
3.8 (4) ⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Reactive Microservices with Vert.x and Java

Build high-performance, non-blocking web applications and microservices using the Vert.x toolkit and modern reactive Java patterns.

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About this course

Modern software demands high throughput and low latency, making traditional blocking I/O a significant bottleneck for scaling. Transitioning to a reactive paradigm allows your applications to handle thousands of concurrent connections with minimal resource overhead. This course provides a comprehensive path to building resilient, event-driven systems that meet the performance needs of today's distributed environments. You will transform your approach to backend development by moving from synchronous execution to an asynchronous, non-blocking model. Through detailed written explanations and code analysis, you will learn to architect systems that are both scalable and maintainable. What you'll learn: - Understand reactive principles and the core Vert.x architecture, including verticles and the event bus. - Develop non-blocking REST APIs using Vert.x Web and modern routing patterns. - Apply reactive database access using non-blocking SQL clients for efficient data persistence. - Integrate Vert.x with Quarkus to build high-performance, cloud-native applications. - Master asynchronous flow control using Promises, Futures, and the Mutiny library. - Configure and manage resilient microservices using modern environment-driven practices. The course begins with foundational definitions of the event loop and reactive streams before progressing into the practical implementation of web services, data handling, and inter-service communication. You will explore how to manage complex asynchronous logic without falling into common pitfalls. This course is designed for Java developers who are comfortable with basic language syntax and want to specialize in high-concurrency systems. No prior experience with reactive programming is necessary. Start building scalable, event-driven Java applications today.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • Short & focused
    2h 42m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Reactive Microservices with Vert.x and Java
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Reactive Microservices with Vert.x and Java
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (4)

Михаил Лебедев BY Verified learner
★ 4 · July 26, 2026

Really enjoyed this. The pace was perfect for me, and the examples really helped solidify the concepts. Got a lot out of it!

Oliver Taylor AU
★ 5 · June 28, 2026

This course exceeded my expectations. The real-world applications discussed are incredibly useful. Great job!

Renata Jiménez AR Verified learner
★ 4 · June 27, 2026

This course delivered exactly what I needed. The explanations were clear and concise. Big thumbs up!

Nirosha Fernando LK
★ 2 · June 5, 2026

Pretty informative. I liked the practical application examples, though the initial setup took longer than I expected.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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