# riemer.fyi > Riemer — AI Build Partner and Fractional CTO. Builds production-ready AI applications, specialising in compliance for Singapore and European markets. Based in Netherlands. riemer.fyi is a single-page conversational site: everything a visitor learns comes from talking to an assistant, so there are no article pages to crawl. This file and llms-full.txt are the complete, canonical text of the site. - [Full content](https://riemer.fyi/llms-full.txt): every project and note below, in full. - [Book a call](https://calendar.app.google/zEwQzZiNxeTeViFQ7) - Contact: hello@riemer.fyi ## Projects - [riemer.fyi](https://riemer.fyi): A brutalist portfolio site with an integrated AI chat interface. Built to showcase projects while experimenting with conversational interfaces. Year: 2026. Stack: Next.js 16, React 19, Tailwind v4, TypeScript. - [Yoursafe](https://riemer.fyi/llms-full.txt): A governed AI-agent platform for a Dutch financial institution. Agents that do real operational work inside a supervised environment — where the hard part was never making the agent work, but makin... Client: Yoursafe. Year: 2026. Stack: OpenClaw, TypeScript, Python, PostgreSQL, Anthropic Claude, Terraform, GitLab CI. - [moodsai.ai](https://moodsai.ai): A telehealth platform for mental health patients in the Netherlands, combining video therapy sessions with AI-powered support tools. Built with privacy-first architecture in full compliance with Du... Client: Moods AI. Year: 2025-2026. Stack: Django, Next.js, PostgreSQL, OpenAI, Auth0, Whereby. - [Sarah](https://participatie.ai): A WhatsApp AI assistant helping newcomers navigate the Dutch governmental system, and a municipal portal for the case managers responsible for them. Sarah meets people in their own language — by te... Client: participatie.ai. Year: 2025-2026. Stack: FastAPI, LangGraph, Supabase (self-hosted), PostgreSQL, Redis, Celery, Next.js, Twilio, Google Gemini, Terraform, Langfuse. - [betterbooking.ai](https://betterbooking.ai): AI negotiator that levels the playing field between consumers and vendors on platforms like Airbnb. An LLM-powered system that negotiates on behalf of users to secure better prices and terms. Client: WinWin Technologies. Year: 2024-2026. Stack: Next.js, LangGraph, Supabase, OpenAI, Google Gemini, Puppeteer. ## Notes and positions - [What does it mean to be an AI Build Partner?](https://riemer.fyi/llms-full.txt): Most people hire developers to write code. I build products. Tags: philosophy, AI, fractional-cto. - [AI's role in society - setting people free from repetitive work](https://riemer.fyi/llms-full.txt): We built computers to do repetitive tasks for us. Then we put people in jobs doing repetitive tasks on computers. Tags: philosophy, AI, society, automation, ethics. - [The attention economy creates perverse incentives](https://riemer.fyi/llms-full.txt): When your business model is "maximize time on platform," you're incentivized to make your product worse for users. Tags: business-model, ethics, attention-economy. - [My background - from synthetic biology to AI](https://riemer.fyi/llms-full.txt): I started in biotechnology at Wageningen University. Did exchanges at Cornell (CompStat, Biometry) and Utrecht (Complex Systems). Competed in iGEM twice—the only bachelor student on the team both t... Tags: background, education, journey. - [I read these chats. I might bring them up on our call.](https://riemer.fyi/llms-full.txt): Fair warning: I store these conversations. Tags: contact, process, authenticity. - [How do you approach compliance engineering?](https://riemer.fyi/llms-full.txt): Compliance is engineering, not paperwork. Tags: compliance, engineering, GDPR, regulations. - [Why compliance-first architecture?](https://riemer.fyi/llms-full.txt): Compliance isn't a checkbox. It's architecture. Tags: compliance, GDPR, philosophy. - [How NOT to reach Riemer](https://riemer.fyi/llms-full.txt): Don't DM me on LinkedIn. Tags: contact, linkedin, philosophy. - [What does a Fractional CTO do?](https://riemer.fyi/llms-full.txt): You need strategic technical leadership, but you don't need (or can't afford) a full-time CTO. Tags: fractional-cto, services, leadership. - [GDPR shifted power from companies to users](https://riemer.fyi/llms-full.txt): "GDPR killed innovation" is the complaint. The data shows otherwise. Tags: gdpr, privacy, data-protection. - [Riemer's hobbies and interests outside of work](https://riemer.fyi/llms-full.txt): People often ask: what do you do for fun? What are your hobbies? What do you do when you're not working? Here's what I'm into outside of coding and building: Tags: hobbies, personal, creativity, community, interests, activities, free-time. - [How do you approach testing of LLMs and agents?](https://riemer.fyi/llms-full.txt): I don't "prompt engineer." I rigorously test AI systems like any other software—with data, metrics, and statistical evaluation. Tags: testing, LLM, agents, evaluation, data-science. - [Local AI Hosting: Privacy by Design](https://riemer.fyi/llms-full.txt): You don't have to send all your data to OpenAI or Anthropic. Tags: ai, privacy, infrastructure, compliance. - [Maintenance as a Service (and Graceful Offboarding)](https://riemer.fyi/llms-full.txt): Yes, I offer maintenance services after building a project. I'm very happy to continue maintaining it as a service. Tags: services, maintenance, consulting, development, support, ongoing. - [MDR/IVDR: Why medical device regulation exists](https://riemer.fyi/llms-full.txt): Move fast and break things is fine for social apps. It's criminal for medical devices. Tags: mdr, ivdr, medical-devices, compliance. - [Taking MVPs to the Next Level](https://riemer.fyi/llms-full.txt): Many people can build MVPs nowadays. What's harder is taking them to the next level. Tags: development, services, consulting. - [MVP to Production (the right way)](https://riemer.fyi/llms-full.txt): MVP doesn't mean "bad code we'll fix later." Tags: development, philosophy, mvp, ai. - [How do you work as an offshoring partner?](https://riemer.fyi/llms-full.txt): I manage a remote team of talented developers who are cheaper than hiring locally—but I take full responsibility for everything they build. Tags: offshoring, remote, team, pricing. - [How I work with offshore teams (without the friction)](https://riemer.fyi/llms-full.txt): I work with offshore developers sometimes. But here's the key difference from most offshoring setups: Tags: offshoring, team, process, cost-efficiency. - [PII Redaction: You Can Achieve More Than You Think](https://riemer.fyi/llms-full.txt): You'd be surprised how much you can already achieve with PII redaction today. Tags: privacy, compliance, security. - [Regulation isn't anti-business, it's pro-sustainable business](https://riemer.fyi/llms-full.txt): Unregulated markets optimize for extraction, not value creation. Tags: regulation, compliance, markets. - [Regulatory sandboxes solve the chicken-and-egg problem](https://riemer.fyi/llms-full.txt): You need real-world data to prove safety. But regulators won't let you deploy without safety proof. Tags: regulation, innovation, singapore. - [Why Singapore and Europe?](https://riemer.fyi/llms-full.txt): Because they're the hardest markets to crack—and the most rewarding. Tags: markets, compliance, philosophy. - [Why Singapore's HSA works](https://riemer.fyi/llms-full.txt): Singapore's Health Sciences Authority (HSA) proves regulation doesn't require bureaucracy—it requires clarity. Tags: singapore, hsa, regulation. - [What is your approach to technical architecture?](https://riemer.fyi/llms-full.txt): Good architecture is invisible. Bad architecture is everywhere. Tags: architecture, engineering, systems. - [I only build projects that benefit the user](https://riemer.fyi/llms-full.txt): I'm only interested in projects that benefit the user, not just the owner. Tags: ethics, philosophy, projects.