Hey! I'm Brayan, an ML/AI engineer building language models from scratch. I'm interested in transformer architectures, low-level ML systems, Reinforcement Learning and everything in between.
In my free time I like to run and listen to music, watch movies and rate them on letterboxd.
April 2026 Implemented RLHF pipeline.
Posts
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RLHF from Scratch: A Complete Alignment Study
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Implementing Direct Preference Optimization (DPO)
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Building a GPT from Scratch in JAX/Flax:
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Why I Built an LLM From Scratch
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