Pilot
One real question answered with your data: the analysis, a clear visual result and a tool your team keeps.
Example: Catalonia Income Atlas →I build maps, analyses and GenAI tools for organisations, and I teach teams to do the same. Tell me what you need and I'll reply within 2 business days.

For public bodies, research groups and companies that have the data and need a decision, a tool or a story out of it.
One real question answered with your data: the analysis, a clear visual result and a tool your team keeps.
Example: Catalonia Income Atlas →I join your team part-time as an external data person. Python, SQL, D3.js, Power BI, Tableau, cloud and LLMs.
Example: NECSTouR, since 2024A map or visual story built from your data, ready for a report, website or campaign.
Example: Five ways to hear New York →I work freelance and part-time, so I don't take full-time roles.
Tell me what you need in a few lines, or pick a 20 minute slot.
Scope, timeline and price, within a few working days.
Short check-ins along the way. You keep the results, the code and the tools.
An open-source Python library that redraws any country as blocks, where each block is an equal share of land, people or GDP. It powers my weekday map series: 35 countries so far.
Income inequality across 5,108 census tracts, from INE data for 2015 to 2023. It shows where income is lowest at census-tract level.
Open the atlas →An API and dashboards that bring public tourism and mobility data into one place for the network's regions, plus LLM pilots and training for their teams.
Consistently delivering high-quality work and meeting our deadlines. Josep has a rare ability to turn complex topics […] into clear, engaging, and accessible guides.
For teams, universities, training providers and event organisers. Online or on-site, in English, Spanish or Catalan.
Your team works on its own data: how to analyse it with GenAI, what to trust and how to present it.
Data visualization, maps with Python or GenAI at work, for your event, community or company.
Hands-on courses for universities and training providers. I teach in the Big Data Master at Universidad de Navarra and lead GenAI for Professionals at Emeritus.
So far: 350+ master's students, 150 professionals and 1,000+ webinar attendees.
Who it is for, the format and the date you have in mind.
One page, within a few working days.
Online or on-site. You keep the slides and materials.
For companies that want to reach data and AI professionals.
Your brand on one of my weekday maps on LinkedIn and X, clearly labelled. The maps have passed 1 million views in a week on LinkedIn.
One sponsor per issue of databites, sent to 10k readers.
A post about your book, course or tool on LinkedIn and X, with my own photos and my own take.
What you want to promote and when.
A map, a post or a newsletter slot.
Clearly labelled as sponsored. Afterwards I send you the numbers.
For data and AI companies that need tutorials and articles written by someone who uses the tools.
2 to 5 pieces a month, 1,500 to 2,500 words each, with research and two revision rounds.
Invoiced in EUR or USD, 30 days net.
Topics, audience and how many pieces a month.
Pieces per month, deadlines and price.
I deliver every month, with two revision rounds per piece. You publish with or without my byline.
See all nine samples and the full terms →
For more than 12 months, Josep has been our main writer for technical blog articles, consistently delivering high-quality work and meeting our deadlines. Josep has a rare ability to turn complex topics, from data management and infrastructure to strategy, into clear, engaging, and accessible guides.
Josep took on some of the most technical topics we covered: LLM evaluation, RAG pipelines, agentic RAG, guardrails for AI agents, prompt versioning, and document parsing with OCR. The first piece Josep wrote for us was strong enough that we used its structure to test a new format for the blog.
From Rotterdam, online across Europe. On-site work is possible in the Netherlands, Spain and nearby countries, with travel agreed in the proposal.
English, Spanish and Catalan, for the work itself and for everything I deliver.
In EUR, from the Netherlands. If your organisation needs a formal quote for a procurement process, I'll prepare it.
It stays under your control. I work within your data policies and I'm happy to sign an NDA. Nothing is shared or published without your approval.
Yes, as an external expert or subcontractor in EU-funded projects such as Horizon Europe or Interreg.
Use the form or email me. I reply within 2 business days.