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Folarin Akinloye

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Folarin Akinloye

AI Product Engineer in London, UK. I write about building AI systems that make it to production.

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© 2026 Folarin Akinloye

4-part series

Production RAG

A practical walk through the RAG pipeline: chunking, reranking, embeddings, and where the vectors live.

Chunking Strategies for RAG: Fixed, Recursive, Semantic, and How to ChooseWhy recursive splitting is the right default, and the few cases where you should reach for something fancierJune 20, 20266 minJune 20, 20266 min
Reranking in RAG: Cross-Encoders and When They Are Worth the LatencyA reranker can rescue a mediocre retriever or waste 200ms on an already-correct answer. Knowing which is the whole skill.June 20, 20265 minJune 20, 20265 min
Embeddings Explained for EngineersWhat embeddings really are, why cosine similarity works, and how to pick a model without trusting a leaderboard blindlyJune 20, 20265 minJune 20, 20265 min
Choosing a Vector Database in 2026: pgvector vs Pinecone vs Qdrant vs WeaviateMost teams should start with pgvector and only move when they have a real reason. Here is how to know when that day comes.June 20, 20266 minJune 20, 20266 min