Referenced as Activateur France Num
National network of digital experts for SMEs
View the official profileExternal perspective · Decision · Steering
A technology decision to make or a digital project to move forward?
An ERP to migrate, an AI or data project to deliver, multiple vendors to coordinate or an initiative that has stalled? I help clarify the issues, design the path, steer the work and take on an agreed delivery scope.
One senior point of contact. The right expertise at the right time. You keep the decision.
From the first conversation, you speak directly with the expert who will follow your case.
Paulo Castro — founder of Mahthildis
Over 20 years in tech.
Talk to Paulo
Book 20 minWhatsApp — text or voice message
Call Paulo directly: +33 6 52 62 40 45
No need to prepare a file or choose a service. Just explain the situation.
Member of La French Tech Côte d’Azur
National ecosystem of startups, entrepreneurs and innovation players
Situations
When the picture becomes unclear
When you are inside the project, it becomes harder to see the project itself.
An ERP or business tool to choose, replace or get back on track
An AI or data project that needs to move from testing to controlled use
Vendors or proposals that need to be compared, challenged and secured
A project that is drifting and needs to get back on track
Several sites, teams or systems without a clear overall view
A vacant CTO or CIO role, or a tech team that temporarily needs senior support
And more broadly: any important digital project that lacks perspective, coherence or the ability to arbitrate clearly.
Step back without losing depth.
I bring the perspective of someone who is not caught in the project's daily pressure. I quickly rebuild the context, constraints and previous decisions to surface what urgency may be hiding.
The outcome
By the end, you should know what to do.
Continue · Sign · Renegotiate · Reframe · Prioritise · Stop
The deliverable is not the result. The decision it enables is.
How I work
Go into the detail without losing the bigger picture.
- Zoom in
- Go into the technical detail when it genuinely affects the decision.
- Zoom out
- Bring the discussion back to budget, risk, timing and business impact.
- Connect
- Connect business, technology, budget, teams and vendors to preserve the overall picture.
The goal is not to be right about every detail. It is to make visible the elements that genuinely change the decision.
Four ways to move forward with Mahthildis.
I step in at the level your situation requires, without imposing more intervention than necessary.
Decide
Clarify the issues, challenge the options and secure a decision.
Steer
Keep the trajectory, coordinate and arbitrate.
Strengthen
Bring in targeted expertise when it can genuinely change the decision.
Move forward
Unblock the situation and maintain coherence through to the expected outcome.
Mahthildis advises, designs, steers and can deliver an agreed scope. I work with your teams and vendors while remaining accountable for overall coherence.
From the first conversation, you speak directly with the expert.
Over 20 years of hands-on experience, from software delivery to architecture and technical leadership, connecting business priorities, technical choices and teams.
The beginnings
Coding out of curiosity: explore, test and understand before building.
Technical background
Electronics and Computer Engineer: a grounding in how systems and software work.
On the ground
Developer then operational technical lead: deliver, keep production running and lead teams.
Architect
ERP migrations, data architectures, modernising existing systems, healthcare interoperability and integrating complex solutions.
Technical & IT leadership
Bring teams together, steer vendors and projects, and connect technology to budgets and business priorities.
Over 20 years in tech
Logistics · Finance · Industry · Healthcare
France · Portugal
- Multi-company ERP and information systems
- Data, ETL, data lakes, Snowflake
- PIM and system interconnections
- B2B platforms
- Internal AI / LLM
- Healthcare and interoperability
I keep learning about AI, data, security and management. I enjoy working with people, sharing knowledge and learning from successes and setbacks. When deeper specialist expertise is needed, I can bring it in and coordinate the work.
These experiences come from Paulo Castro’s professional background. They are not presented as Mahthildis client references.
No solution is imposed before the problem is understood.
Options are compared according to your context, risks and objectives. If additional expertise is needed, its role and scope are explicit. Paulo keeps the overall view and you keep the decision.
Let's talk
Let's talk about the project that keeps you awake at night.
A first 20-minute conversation is enough to understand your situation and see whether Mahthildis is the right level of support.
Talk to Paulo
Book 20 minWhatsApp — text or voice message
Avoid bad decisions before they become expensive.
FAQ
Frequently asked questions before getting in touch.
Do I need to know exactly what kind of support I need?
No. Simply describe the situation and the decision to be made. I will tell you whether Mahthildis can help and in what form.
We already have a CTO or CIO. Is this still relevant?
Yes, when an outside perspective can help challenge a decision without taking ownership away from the existing team.
The subject requires several specialists. What happens?
If the decision requires it, targeted expertise can be engaged. You keep one senior counterpart who connects the contributions and retains the full picture.
Can I send confidential documents?
Do not send sensitive documents through a public form or an initial WhatsApp message. First explain the nature of the subject; we will then agree an appropriate way to exchange information.