Vivian Oliveres

@vivian-oliveres

Sharing thoughts as a Solo Developer

Champagne-sur-seine, FranceJoined February 2026

About

Software engineer (Backend/Data/ML) of ~20 years of experience. Currently building an MVP. Documenting the mess: code, infra, decisions and (lots of) mistakes :-p Learning in public.

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Vivian Oliveres's blogs

A Tech Journeyvivian-oliveres.hashnode.dev4 posts

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Recently published

VOVivian Oliveresvivian-oliveres.hashnode.devMar 22 · 11 min read

What Is Lead Intent Detection, and Why I'm Betting on It

After my V2 digest failed commercially, I knew I needed to pivot to B2B. The technology worked. The market didn't. But before building anything new, I had to understand the domain I was entering. I sp

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VOVivian Oliveresvivian-oliveres.hashnode.devMar 13 · 12 min read

How My Bluesky Digest (V2) MVP Failed

My previous post ended with a promise: I was going to rebuild the ranking from scratch. Train a proper ML model. Use BM25 and embeddings as features, not as the final answer. And use LLMs to generate

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VOVivian Oliveresvivian-oliveres.hashnode.devMar 3 · 8 min read

How My Bluesky Digest MVP Failed, and What I Learned Building It

I spend a lot of time reading technical content on social media. Articles, threads, expert takes. And once in a while, I stumble on something rare: a short exchange between two (or even more) experts

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VOVivian Oliveresvivian-oliveres.hashnode.devFeb 27 · 3 min read

20 Years of Code, Zero Years of Product: Why I'm Building in Public

I've been writing code for nearly 20 years. Backend systems, data pipelines, ML tooling, infrastructure... Across banks, various startups, and big tech companies. Always for someone else's. Now I'm bu

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Vivian Oliveres

About

Available for

Vivian Oliveres's blogs

Recently published

What Is Lead Intent Detection, and Why I'm Betting on It

How My Bluesky Digest (V2) MVP Failed

How My Bluesky Digest MVP Failed, and What I Learned Building It

20 Years of Code, Zero Years of Product: Why I'm Building in Public

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Vivian Oliveres

About

Available for

Vivian Oliveres's blogs

Recently published

What Is Lead Intent Detection, and Why I'm Betting on It

How My Bluesky Digest (V2) MVP Failed

How My Bluesky Digest MVP Failed, and What I Learned Building It

20 Years of Code, Zero Years of Product: Why I'm Building in Public