Need Help Deciding on an IT Specialization

Hey everyone! I'm at a point where I need some guidance on choosing a specialization in IT. I've been programming for about four years and have gained a mix of skills across several areas, including web development, desktop applications, machine learning, and even some 3D development with WebXR. Here's a rundown of the tools and languages I've worked with:

- **Languages/Frameworks**: Java, Spring Boot, Python, JavaFX, React, C, C++
- **Databases**: MySQL, Oracle
- **Other tech**: Linux shell scripting, WebXR for 3D, and some basic DevOps experience.

In my recent projects, I've developed a RESTful API for a mobile app using Spring Boot, a full-stack web app with Spring Boot MVC and Thymeleaf, and completed two data science projects. Currently, I'm working through an IBM data science specialization.

Now, I find myself at a crossroads. My engineering studies provided me with a broad exposure to various areas – basically a jack-of-all-trades – and now I need to decide where to focus my efforts. I'm considering two main paths:

1. Data Science
2. Java Backend / Microservices Engineering

I have some concerns about picking the right direction. I want to ensure I won't end up in a job I dislike, I'd like to truly feel competent in what I do, I'm cautious about job security with the rise of LLMs and automation, and I prefer being hands-on rather than relying too much on tools like GPT for debugging.

If any of you have been in a similar situation or could share your thoughts on either of these paths, I would really appreciate your advice, experiences, or any tips you can offer. Thanks in advance!