# Hello World: From Sysadmin to Reinforcement Learning

Hey everyone, I'm Nikita.

I'm starting this blog as a home for my technical notes, side projects, and random deep dives. To be completely honest, I don't have a rigid roadmap for where this blog is heading—part of it is simply wanting a space for creative and technical self-expression.

### A Quick Background

I’m a Ukrainian-Russian engineer by training, with around 4 years of experience in system administration. Over the last 1.5 years, I’ve been actively diving into Machine Learning, with a particular interest in cognitive science and reinforcement learning.

### The Spark

Like many hobbies that turn into obsessions, it started with a single project: building and training a small-scale, AlphaZero-inspired model combining **CNN + DQN + LSTM** architectures.

It wasn't an overnight success. It took roughly three months of relentless tweaking—redesigning the architecture, fixing gradient issues, and fine-tuning reward functions—before the model finally started showing real, intelligent results. That breakthrough moment was when everything clicked: I realized just how much I love this field, and experimenting with ML officially became my main passion.

### What to Expect Here

Going forward, this blog will be a mix of:

*   Ongoing ML and reinforcement learning experiments
    
*   Notes and thoughts on cognitive architectures
    
*   Practical takeaways, debugging stories, and engineering logs
    

Thanks for stopping by! If you're interested in ML, cognitive systems, or just like following along with hands-on technical experiments, feel free to connect or drop a comment.

**Tags:** `#MachineLearning` `#DeepLearning` `#ReinforcementLearning` `#DevLog` `#Beginner`