Mahamadi NIKIEMA
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Hi, I'm Mahamadi NIKIEMA

ML Engineer writing about machine learning, LLMs, and data engineering.

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Latest Posts

Making a Custom Model Compatible with HuggingFace Trainer

transformers
pytorch
training
TIL

Plug any custom PyTorch model into HuggingFace Trainer: forward must return a loss.

Apr 8, 2026
Mahamadi NIKIEMA

Hybrid Search with pgvector and tsvector in PostgreSQL

postgresql
pgvector
search
RAG

How to combine dense vector search and full-text search in PostgreSQL using pgvector, tsvector, and Reciprocal Rank Fusion (RRF)

Mar 16, 2026
Mahamadi NIKIEMA

Chat Templates: Structuring LLM Conversations

best-practices
LLM

Understanding chat templates for LLMs

Mar 9, 2026
Mahamadi NIKIEMA
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