databites · Technical Writing

Technical writing for data & AI companies

by someone who actually understands the product.

I'm a data scientist and ML practitioner writing for W&B, DataCamp, KDnuggets and UX Collective among others. I write for practitioners, the same audience reading my newsletter every week.

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30k X followers

Reach out → josep@databites.tech See published work ↓

Published work

Writing samples

Nine pieces across four publications. W&B for MLOps and LLM engineering. DataCamp and KDnuggets for tutorials, infrastructure, data visualization and data engineering. UX Collective for visualization theory.

LLMEvaluationAdvanced

LLM evaluation benchmarking: Beyond BLEU and ROUGE

Modern LLM evaluation goes far beyond traditional NLP metrics. Covers human evaluation frameworks, model-based judges, and task-specific benchmarks for production systems.

MLOpsData Engineering

Data lineage for AI and machine learning systems

How to track data provenance across ML pipelines, from raw sources to model outputs. Covers lineage tools, integration patterns, and reproducibility at scale.

Document ParsingObservabilityCode

One-shot document parsing for RAG with Unlimited-OCR and W&B Weave

Turning messy documents into retrieval-ready structured output in a single pass, with Weave tracing every step so the pipeline stays debuggable in production.

InfrastructureArchitecture

Kubernetes Architecture Explained

Control plane and worker node internals: API server, scheduler, etcd, kubelet, and the add-on layer that turns a cluster into something you can run in production.

Read on DataCamp

DataCamp Tutorial

RAGMultimodalCode

Multimodal RAG: A Hands-On Guide to Learning from Documents

A working question-answering pipeline over visual documents with GPT-4o and ChromaDB, including retrieval evaluation, latency and what it costs to run.

Read on DataCamp

DataCamp Tutorial

Effective Dashboard Design: Principles, Best Practices, and Examples

A practitioner's guide to dashboards that actually communicate: layout principles, chart selection, information hierarchy, and real-world examples.

Read on DataCamp

KDnuggets Crash Course

MLOpsExperiment Tracking

Weights & Biases: A KDnuggets Crash Course

A hands-on tour of experiment tracking, model versioning and reproducibility with W&B, written for an independent audience rather than as vendor copy.

Read on KDnuggets

KDnuggets Guide

Data EngineeringPipelines

Building End-to-End Data Pipelines: From Data Ingestion to Analysis

Designing pipelines that hold up: ingestion, storage, transformation, orchestration, and the analysis layer that sits on top of all of it.

Read on KDnuggets

UX Collective Essay · 601K readers

DataVizTheoryDesign

The art and science of data visualization

A deep dive into visualization theory: visual encodings, retinal vs spatial representations, and choosing the right chart for your data. Published in UX Collective.

Read on UX Collective

These are the pieces that carry my name. I also write unbylined for client blogs, including retained monthly work for BI, analytics and AI companies. Happy to walk through specific work on a call.

How I work

Fixed monthly packages

An agreed number of pieces for an agreed fee, so your budget and my calendar are both predictable.

2 to 5 pieces a month, 1,500 to 2,500 words each

Research, draft, and two revision rounds included

10 working days from brief to final draft

Three month minimum, so the voice has time to settle

Written in English, Spanish or Catalan

Invoiced in EUR or USD, 30 days net

Get in touch

Working with a limited number of clients.

Email directly

josep@databites.tech

If you work at a data or AI company and need technical content your practitioners are proud to share. Tell me what you're building and what you need. I reply to every email.

@iamjosepferrer

reads.databites.tech

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