Скачать или смотреть Legacy to Cloud-Native: Java Champ’s Guide to Modernization, Vaadin & AI Strategies - #17

How do you modernize a 25-year-old legacy system? And how can you leverage that specialized knowledge to build a thriving career as an independent consultant?

In this deep-dive episode of the Java Rockstar Career series, Java Champion and consultant Simon Martinelli reveals his playbook for one of the most critical challenges in enterprise software: modernization. Drawing from his journey from COBOL programmer to a sought-after consultant, Simon explains why understanding the business domain is more important than the technology and shares his hands-on strategy for reverse-engineering legacy systems—including working directly with users on the factory floor.

Discover how he uses the Vaadin framework to empower Java developers to build full-stack applications without the complexity of JavaScript, and hear his nuanced perspective on how AI can be both a powerful tool and a risk to the next generation of developers. This is a masterclass in building a sustainable, high-impact career by solving the problems that truly matter.

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VIDEO CHAPTERS:

00:00 - Introducing Simon Martinelli: Java Champion & Consultant
01:17 - Career Trajectory: From COBOL on Mainframes to Java
05:36 - The Transition from Software Developer to Consultant
08:51 - How to Find Clients & Market Yourself as a Consultant
14:19 - The Strategy: Solving Real-World Problems to Attract Customers
18:21 - The Power of Focusing on Modernizing Legacy Applications
22:19 - How to Quickly Learn a New Business Domain
30:05 - The Three Core Services a Consultant Offers
42:48 - The Most Important (and Surprising) Skills for a Consultant
59:17 - Why Vaadin is a Game-Changer for Full-Stack Java Developers
1:09:24 - Why Vaadin is a Better Choice than JSF for Custom Components
1:19:34 - The Most Important Java Technologies to Learn Today
1:26:38 - Why You Should Consider Using Jooq for Database Persistence
1:35:07 - AI's Role for Developers: The Good, The Bad, and The Annoying
1:43:42 - Will AI Replace Developers? A Senior's Perspective
1:51:40 - The Journey to Becoming a Java Champion
2:00:27 - What Life is Really Like in Switzerland
2:07:45 - Simon's Top Book Recommendations for Developers
2:15:04 - The Final Key Career Insight: Stay Curious & Have a Pet Project

ABOUT OUR GUEST
Simon Martinelli is a Java Champion, Vaadin Champion, and Oracle ACE Pro with a career in software development that began in 1995. As an independent consultant, he specializes in modernizing legacy applications and architecting robust software solutions. He is a lecturer on software architecture, a leader of the Bern JUG in Switzerland, and a frequent speaker at international conferences.

RESOURCES MENTIONED:

Book - Lean Software Development by Mary and Tom Poppendieck: A foundational book on eliminating waste and creating agile processes.
Framework - Vaadin: A powerful Java framework for building full-stack web applications.
Framework - Jooq: A type-safe SQL library for Java.
P.S. Want to accelerate your career even faster? Join our free weekly live sessions for intermediate and senior Java developers. Register here: https://javachallengers.com/weekly-li...

To contact Simon, here is his LinkedIn profile:
  / simonmartinelli  

His Twitter profile:
@simas_ch

This is his website:
https://martinelli.ch/

The book he recommended:
Lean Software Development - https://amzn.to/3YdJz7h

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