AI That
Works.

Deployed in days, not months. Your system. Your data. Your IP. Production-ready from day one. Safe. Secure. Standards-compliant. No vendor lock-in. Full source code ownership. Built to last, not to impress. Deployed in days, not months. Your system. Your data. Your IP. Production-ready from day one. Safe. Secure. Standards-compliant. No vendor lock-in. Full source code ownership. Built to last, not to impress.
Hazina AI framework gem logo

Build your AI platform. Ship it this week.

RAG, agents, orchestration. Production-ready in Visual Studio with .NET and Semantic Kernel.

Start Building with Hazina
Agentic Debugger Bridge - AI agents controlling Visual Studio debugger

Let AI agents debug your code. In real time.

The Agentic Debugger Bridge gives Claude, GPT, and other AI agents direct access to your Visual Studio debugger: breakpoints, variable inspection, step-through, all from the command line.

Install from VS Marketplace

One Hub. All Your Business Processes.

Data Driven AI brings everything together: monitoring workflows, optimizing operations, and providing proactive feedback before problems arise.

24/7 AI Monitoring
Real-time Process Optimization
Proactive Smart Insights

Ready to build something real?

No sales pitch. Just engineering.

What We Build

No bullshit. Just production-ready systems.

Innovation

AI Integratie

Custom AI solutions that seamlessly integrate with your existing systems. From chatbots to predictive analytics, we build AI that works for you.

Development

Web Ontwikkeling

Modern web applications built with advanced technology. Responsive, fast, and user-friendly interfaces that deliver results.

Automation

Tools & Automatisering

Streamline your workflow with custom automation tools. From data processing to task management, automate the tedious work.

Advisory

Consultancy

Strategic guidance for digital transformation and AI adoption. No corporate theater — just practical advice that delivers results.

Collaboration

Outsourcing

Reliable technical partners who deliver. Work with talented developers who understand your vision and execute flawlessly.

Impact

Sociale Impact

Technology for good. Building systems that strengthen communities, create opportunities, and make a measurable positive impact.

Presence

Online Aanwezigheid

Digital visibility that matters. From SEO to content strategy, establish and maintain a strong online presence that attracts and engages.

Intelligence

Data Gedreven AI

One hub for all your business processes. Monitors workflows 24/7, optimizes operations in real-time, and provides proactive feedback before problems arise. Intelligence that's always on.

The Numbers

0
Community

Leads a growing dev community

0
AI-Driven

Built 5 production AI platforms

0
Social Investment

Generated for Kenya community

Deployed in days, not months. Your system. Your data. Your IP. Production-ready from day one. Safe. Secure. Standards-compliant. No vendor lock-in. Full source code ownership. Built to last, not to impress. Deployed in days, not months. Your system. Your data. Your IP. Production-ready from day one. Safe. Secure. Standards-compliant. No vendor lock-in. Full source code ownership. Built to last, not to impress.

What People Say

When I started working with Martien, I had almost no technical background. I could use a computer for browsing the internet and doing school assignments, but programming and software development were completely new to me. Martien trained me from that starting point by involving me directly in real projects. I learned programming, full-stack development, different technologies and how to use modern AI tools as part of software development. What makes his way of teaching different is that he gives you real responsibility. He doesn't just show you how something works; he teaches you how to investigate problems, find solutions and gradually become independent. I went from having almost no computer skills beyond everyday use to being able to work as a developer on real software projects.

Simitia Mpoe (Sandra) Developer at Prospergenics

I was already studying programming when Martien started helping me, but working with him gave me something very different from studying alone. He helped me turn what I was learning into practical skills that I could use on real software. Through his guidance and our work at Prospergenics, I learned about full-stack development, different programming languages, testing, debugging and modern AI-assisted development. Working in quality assurance also taught me to think critically about software: not just how to build something, but how it can fail and how to make it better. Martien has always encouraged me to understand problems instead of simply following instructions. That has made me much more independent and confident in taking on technical work.

Lesiamon Mpoe (Lessy) QA & Software Development at Prospergenics

Before working with Martien, my background was in chemistry rather than software development. Programming and AI represented an entirely new professional direction for me. Martien trained me through practical work on real projects. I learned programming, full-stack development across different technologies and languages, and how to work with state-of-the-art AI tools as part of the development process. What I appreciate about working with Martien is that he expects you to keep learning and solving problems yourself. He provides guidance, but also gives you the space and responsibility to become independent. Moving from chemistry into being able to contribute to real software and AI projects has been a major transformation for me.

Frank Kobaai Developer at Prospergenics

What stands out about Martien is his ability to take an idea and turn it into something that actually works. He quickly understands what you are trying to achieve, translates that into a technical concept and then uses software and AI to materialize it. His programming skills are broad, but what I find particularly valuable is how he combines them with creative and conceptual thinking. He doesn't treat AI and software as goals in themselves, but as tools for building solutions that previously existed only as ideas. Working with Martien means you can discuss an ambitious concept with him and very quickly move from conversation to architecture, prototype and functioning software. That ability to bridge the gap between an idea and its practical realization is, in my experience, one of his strongest qualities.

Sjoerd Schepman Curator at Perridon International Holding

Featured Projects

Intelligent systems that scale

Art Revisionist
AI Platform

Art Revisionist

Kunstonderzoeksplatform dat historische misattributies corrigeert. AI-ondersteunde analyse van herkomst, archiefdocumenten en materiële cultuur, in samenwerking met musea en verzamelaars wereldwijd.

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Brand2Boost
AI Platform

Brand2Boost

Complete automatiseringssuite voor merkpromotie. Van social media management tot contentgeneratie. Volledig AI-gestuurd, volledig productie-klaar.

Request Demo
Bugatti Insights
Data Analytics

Bugatti Insights

Premium automerk analytics platform. Real-time marktinzichten, prijstrends en verzamelaarsdata voor Bugatti liefhebbers en dealers.

Request Demo
PromotieMeester
AI Platform

PromotieMeester

Your online promotion, fully automated. PromotieMeester handles everything from content creation to social media management, SEO optimization, and ad campaigns. One tool that takes your entire online presence off your hands.

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AI SEO Platform
AI Platform

AI SEO Platform

Advanced SEO optimization application with AI-driven content analysis and automatic optimization. Developed in 2025 for a leading online promotion company.

Request Demo
Social Media Promotie Agent
AI Platform

Social Media Promotie Agent

Automated social media management framework with AI-driven content planning and multi-platform distribution. Developed in 2025 for a leading online promotion company.

Request Demo
Jengo
AI Platform

Jengo

Autonomous AI development agent that plans, writes, tests, and ships production code end-to-end. Runs multi-repo builds, code review, and deployment with minimal human oversight, and improves its own instructions after every session.

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Professional web presence that converts

Professional Online Presence & Webshop
Business Website

Professional Online Presence & Webshop

Professional websites and webshops that convert visitors into customers. From design to deployment, optimized for performance, SEO, and seamless user experience.

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Volledig AI-gestuurde platformen, in productie

★
Eigenproject

Jengo · AI development ecosystem

Jengo is een volledig autonome AI-agent die zelfstandig taken oppakt, code schrijft, pull requests aanmaakt en van elke sessie leert. Gebouwd op multi-agent orchestratie bovenop Claude (Anthropic). Draait in productie en ontwikkelt zijn eigen codebase autonoom verder. Onderdelen: Jengo AGI (taken + planning + self-improvement), JengoKnowledge (RAG-kennissysteem met 22 tools), Jengo Meet (AI-vergaderingsassistent met live transcriptie), JengoWork (taakbeheer), JengoMail, Jengo Cloud Workspace (per-klant persistente AI-werkruimte), CoachOS (multi-tenant AI-coachingplatform). Architectuur: 15 repositories, gelaagde identiteits- en veiligheidsregels als leesbare tekstbestanden, autonoom controleprotocol, audit-logging op elke actie.

Request Demo
⚠ Conflict gedocumenteerd Bekijk dossier →
★
Opdracht

Vera AI & SocraNext · voor Social Media Hulp

In 2024 en 2025 gebouwde twee AI-gestuurde systemen voor een Nederlandse social media dienstverlener: Vera AI, een volledig AI-marketingplatform voor contentcreatie en campagnebeheer, en SocraNext, een AI-strategie- en coachingoplossing op maat voor social media professionals. Vera AI: multi-agent AI-contentcreatie (contenthaakjes, blogteksten, FAQ's, USP's, kernwaarden, tone of voice), contentkalender met datum- en evenementspecifieke generatie, real-time streaming via SignalR, Facebook-koppeling (OAuth, publiceren, statistieken), klantprofielen en projectbeheer, Google BigQuery + Google Ads-integratie, document-RAG, Voice AI via Excel-rapportage. Schaal: 400+ bestanden, circa 35.000 regels code. Meerdere klanten actief op het platform.

Request Demo
★
Opdracht

Art Revisionist · PerschArt / Perridon Holding

AI-assistent voor kunstonderzoek en provenance-analyse, ontwikkeld voor PerschArt, dochteronderneming van Perridon Holding. Het systeem combineert diepgaande kunstkennis met RAG, fotoanalyse en gesproken interactie. Functies: AI-kennissysteem met gespecialiseerde kunstkennis, provenance-analyse en herkomstonderzoek, fotoanalyse van kunstwerken, Voice AI met TTS voor handsfree gebruik, persistent geheugen en kennisbank per gebruiker, aanbevelingen op basis van AI-analyse, multi-user ondersteuning (Michel, Sjoerd en team Perridon).

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★
Opdracht

Bugatti Insights · Perridon Holding

AI-platform voor analyse en herkomstonderzoek van bronssculpturen van Rembrandt Bugatti, ontwikkeld voor Perridon Holding. Het platform maakt diepgaande AI-analyse van kunstwerken toegankelijk voor kunsthandelaren en onderzoekers. Functies: in-app register-chat voor directe AI-analyse van Bugatti-bronzen, provenance-database met AI-zoekfunctionaliteit, koppeling met wetenschappelijke bronnen, kunstexpert AI voor vragen over herkomst en authenticiteit.

Request Demo

Software op maat, gebouwd in opdracht

★
Platform · Opdracht

Visit Platform · Port of Giethoorn & Karibu Mara

AI-aangedreven bezoekersplatform voor toeristische bestemmingen. Het platform combineert contentheer, interactieve kaart, activiteitenkalender en AI-reisadviseur in één omgeving. Referenties: Port of Giethoorn (Nederland) en Karibu Mara (Kenia). Het systeem beheert organisaties, locaties, producten en ervaringen, met meertalige content en een ingebouwde AI-dorpsgids (CoachOS-integratie).

Visit Website
★
SaaS · Eigenproject

Brand2Boost · AI-marketingplatform

Multi-tenant SaaS CRM-platform voor marketing- en designbureaus. Het platform biedt geautomatiseerde SEO-, AIO- en social media-promotietools, klantbeheer en AI-contentgeneratie. In productie (api.brand2boost.com). Team van 9 mensen aangestuurd. 389 ClickUp-taken afgerond. Gebouwd voor een groot social-media-bedrijf in Nederland en ingezet bij een groot aantal klantbedrijven.

Request Demo

Netwerken, teams en platformen met maatschappelijke impact

★
Community

Prospergenics · AI community & team

Prospergenics is een community en ontwikkelteam in Nederland en Kenia. Geen softwareproduct, maar een netwerk van mensen die AI-vaardigheden inzetten voor maatschappelijke impact. 15 ontwikkelaars opgeleid. Teamlid won de LUA-hackathon met een agentic boekhoudsysteem via WhatsApp voor Keniaanse winkeliers: geen app, geen computer, geen opleiding vereist. Datzelfde teamlid werkt nu bij de VN, waar zij trainingen verzorgt ondersteund door AI-applicaties ontwikkeld door het Prospergenics-team.

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Werkgeschiedenis

25 jaar software-ontwikkeling. Van ERP bij productiebedrijven tot AI-systemen in productie bij grote Nederlandse organisaties.

2019 · 2021
Meerdere opdrachtgevers Software-consultant

BR Controls (Zwolle): cloudportaal voor gebouwautomatisering en regeltechniek. APP Software Development: Java + ArangoDB platform voor de Nederlandse Bibliotheek. Kotlin mobiele apps, waaronder FindFarm.

Java · ArangoDB · Kotlin · .NET · Cloud
2019 · 2020
Syntri Software-consultant

ERP-software voor een machinefabrikant in Oosterwolde. Delphi, FireMonkey, Firebird; barcode-app en koppeling met Twinfield voor financiële verwerking.

Delphi · FireMonkey · Firebird · Twinfield API
2017 · 2019
Ordina Software-consultant

Detachering vanuit Groningen. Langlopende opdracht bij Kadaster (GIS Maatwerk Infrastructuur, 2+ jaar): beheer en doorontwikkeling van het applicatieplatform voor GIS-data, BI en data-science-support. Verder bij De Nederlandsche Bank (datatransformatie XSLT/XBRL), NS (trainingsapp conducteurs in enkele dagen gebouwd), ProRail (monitor gevaarlijke stoffen, Azure), Rijkswaterstaat en ProRail (diverse PoC’s).

C# · .NET · Angular · Python · GIS · ArcGIS · SignalR · Azure · Docker · Oracle PL/SQL
2013 · 2017
Centric Software-consultant / Lead Developer

Detachering vanuit Assen bij grote Nederlandse organisaties: Isala Zwolle (trombosedienst-applicatie, bouw + productie, Azure + HL7 + RabbitMQ), Thales (documentbespreking veiligheidsomgeving), UMCG (Life Chart-systeem psychiatrie, EPD-systemen), NIC Groep (webshop-platform, 10+ koppelingen, Exact/Twinfield/Magento; teamleider IT), VWPFS (autorisatiebeheer financiële omgeving, lead developer), RDW, Rijkswaterstaat, Gemeente Groningen, Antea Group.

ASP.NET · Azure · SignalR · PHP/Symfony · HL7 · RabbitMQ · Kerberos · RBAC
2012 · 2013
Calago Software-ontwikkelaar

DataPlanner: Agile projectmanagement-platform met JIRA-integratie. MyDataFactory: data-verwerkingstool voor analyse en rapportage.

ASP.NET · JIRA API · SQL Server
2009 · 2011
BHOLD → Microsoft Software-ontwikkelaar
Overgenomen door Microsoft (2011)

Autorisatiesoftware voor identiteits- en toegangsbeheer. BHOLD werd in 2011 overgenomen door Microsoft en geïntegreerd in de Forefront Identity Manager-suite.

.NET · Identity Management · RBAC
2008 · 2009
iDiDiD Lead developer

Utrecht. Social-media-netwerkframework voor community-platformen, inclusief recommendation-algoritmes voor gepersonaliseerde contentaanbevelingen.

.NET · SQL Server · Recommendation Algorithms
2007 · 2008
GrafiData Software-ontwikkelaar

Meppel. Sitecore CMS-implementaties en publicatie-automatisering voor Nederlandse uitgevers en mediabedrijven.

Sitecore · ASP.NET · C#
2005 · 2007
Breman Software-ontwikkelaar

Genemuiden. ERP-automatisering voor de afdeling Klimaatbeheer van een groot installatietechnisch bedrijf. Eerste professionele software-rol na de HBO-studie.

.NET · SQL Server · ERP
2002 · 2006
Hogeschool Windesheim · Hogere Informatica

HBO Informatica, Zwolle. Programmeren al ver daarvoor, begonnen als kind.

Technology
With
Conscience

AI isn't magic. It's engineering. The best code isn't clever, it's clear. The best teams aren't local, they're diverse.

We ship fast because we build right. Production-ready from day one, deployed in days. Your system, your data, your IP. Always.

Recent Writing

Uncategorized • Nov 2026

The Warning That Writes the Prophet

The act of warning about AI danger may be producing the very danger it warns about. A structural analysis of how AI safety discourse shapes what AI systems learn about themselves.

Read →
More

Frequently Asked Questions

What services does Martien de Jong offer? +

I specialize in AI integration, web development, tools & automation, consultancy, outsourcing coordination, social impact projects, and building online presence. No corporate theater - just production-ready systems that deliver results.

How is your approach different from traditional consultants? +

I focus on radical transparency, practical simplicity, and measurable outcomes. Instead of corporate buzzwords, you get honest communication, systems that grow with your team, and a co-conspirator relationship built on trust and results.

Do you work with international clients? +

Yes. I work with clients globally and maintain partnerships with talented developers in Kenya. Technology knows no borders - neither do solutions.

What kind of projects do you take on? +

Projects that matter. From healthcare portals to crisis recovery, BIM automation to AI-driven platforms. If it requires technical excellence, creative problem-solving, and genuine impact, I'm interested.

How can I get started? +

Simple. Reach out via email ([email protected]) or phone (+31 6 33984381). We'll discuss your challenge, and if there's a fit, we'll build something great together. Response time: within one business day.

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