HostYourAI
Product
EU RouterDecision models like JevHostYourAI CodeOpenAI-compatible APIAnthropic-compatible APIModel GardenDedicated InstancesPlaygroundFine-tuning (Loes)Earn with your GPU
Solutions
Use cases
HostYourAI CodeLLM InferenceRAG pipelinesChatbotsAI agentsFine-tuning
Industries
GovernmentHealthcareFinanceLegal
Models
Kimi K3DeepSeek V4 ProDeepSeek V4 FlashGLM 5.3Kimi K2.7 CodeQwen3.5 397BLlama 3.3 70BMistralMiniMax M3All models →
Compare
Azure OpenAIAWS BedrockClaude APIChatGPTOpenAICompare costs
Resources
DocumentationSavings checkGuide: migrate to the EU RouterGuide: deploy your own LLM (vLLM)Guide: build RAG on EU GPUsModel catalogNewsSecurityFAQ
Pricing News
NL EN DE
Login Book Demo Get Started
We're looking for four new colleagues

Help build the AI‑platform of Europe

We are HostYourAI, a young startup from Groningen. We're building the European alternative to the big American AI clouds, and Loes, our own Dutch AI assistant. Small team, big ambition, lots of fun.

View open roles
Jantine Daan Ate You?

Jantine, Daan and Ate
are growing the team

How we work

Good fun, with a serious mission

A small team, short lines and plenty of laughter. Meanwhile we are building serious AI infrastructure for all of Europe, and Loes.

Work from anywhere

We work remotely, from within the Netherlands. Our HQ is in Groningen; that's where we regularly meet for work, drinks and good coffee.

Two team weeks a year

Twice a year the whole team gets on a plane: a week somewhere in Europe building together, eating well and having fun.

In from the start

You join the first team, with all the room and responsibility that comes with it. And above all: the chance to be part of this journey from the very start.

Open roles

Four spots on the first team

Loes
Platform
Loes

Product Engineer Loes

Remote (Netherlands), headquarters Groningen Full-time

At Loes you're close to the user. You build the features people work with every day, from a new button in the chat to a connection with a customer's software.

What you'll do
  • Build on the web app, the mobile apps and Loes for organisations: new features, and making existing ones better and faster.
  • Work on the layer around the model: web search, documents, connections with other software, and how Loes uses them.
  • Set up customers' own environments and help connect them to their systems.
  • Work with the Product Owner Loes, design and the AI Lab, and help decide what we build.
What we ask
  • Experience as a full-stack developer on software with real users.
  • You enjoy Python and JavaScript, and you have or want experience with language models, prompts and tool calling.
  • You think from the user: you want to know why something gets built, not only how.
  • Fluent English. You must be based in the Netherlands.
What we offer
  • A competitive salary at the top of the market.
  • Remote work, with our HQ in Groningen. Twice a year the whole team spends a week abroad together.
  • Work on a product you see people use straight away.
Apply via info@hostyourai.com

Send your CV, a short motivation and your LinkedIn profile, plus something you've built. A link says more than a CV.
Loes

Context Engineer Loes

Remote (Netherlands), headquarters Groningen Full-time

How well Loes answers depends largely on what the model gets to see: the instructions, the sources we look up for it, the tools it may use and what it remembers of a conversation. You are the one who designs, measures and keeps improving that.

What you'll do
  • Write and maintain the instructions and character of Loes, so Loes sounds like Loes, in Dutch and in other languages.
  • Design the layer around the model: when Loes searches the web or looks in documents, which sources come in and how they end up in the answer.
  • Describe tools and connections so the model picks and uses them well, also in long conversations.
  • Measure whether a change is really better: build test sets, judge answers and compare the results across models.
  • Work with the Product Owner Loes, the Product Engineer and the AI Lab. What you learn about good conversations also goes into the training data.
What we ask
  • Experience building applications on language models: prompts, retrieval (RAG), tool calling or agents.
  • You enjoy working in Python and you would rather measure than guess.
  • You write well, and you hear the difference between an answer that is right and one that also reads well.
  • Fluent Dutch and fluent English. You must be based in the Netherlands.
What we offer
  • A competitive salary at the top of the market.
  • Remote work, with our HQ in Groningen. Twice a year the whole team spends a week abroad together.
  • Direct influence on how a Dutch AI model that people use every day talks.
Apply via info@hostyourai.com

Send your CV, a short motivation and your LinkedIn profile. Show us something you've built or improved with a language model.
Platform

Platform AI Engineer

Remote (Netherlands), headquarters Groningen Full-time

You'll be one of HostYourAI's first engineers. What you build today runs at customers across Europe tomorrow.

What you'll do
  • Keep building our hosting platform: customers pick a model, we automatically arrange a GPU with one of our European providers and put the model live.
  • Guard reliability: monitoring, automatic recovery when a GPU fails, keeping costs under control.
  • Help build our own Dutch models (Loes): training, testing and shipping them.
  • Help decide what we build. In a small team everyone has direct influence.
What we ask
  • Experience with software in production: servers, deployments, things breaking at 3 a.m. (we try to prevent that, but you know how it goes).
  • Experience with, or a strong interest in, running AI models (think vLLM, CUDA, GPUs). You don't need to know everything, learning fast is what counts.
  • Comfortable doing backend work. We use PHP (Laravel) and Python; experience with either is enough.
  • Fluent English. You must be based in the Netherlands.
  • Independent. There's no manager spelling out your work for you.
What we offer
  • A competitive salary at the top of the market.
  • Remote work, with our HQ in Groningen. Twice a year the whole team spends a week abroad together.
  • A spot on the first team of a startup, with all the room and responsibility that comes with it. And above all: the chance to be part of this journey from the very start.
Apply via info@hostyourai.com

Send a short introduction and something you've built that you're proud of. No formal cover letter needed.
Platform

Inference & Model Quality Engineer

Remote (Netherlands), headquarters Groningen Full-time

We run open models on GPUs across Europe and are building our own Dutch model, Loes. You make sure those models run fast, reliably and affordably, and that we know how good each model really is.

What you'll do
  • Get models running, and keep them running, on our GPUs: vLLM now, SGLang next. Figure out what fits where and at what price, from VRAM estimates to quantization.
  • Measure and improve throughput and latency, and keep the cost per token sharp.
  • Build an eval harness that holds every model we host to the same standard: quality, Dutch, grounding, tool calling, speed.
  • Make Loes better: build datasets, run finetunes and measure whether a new version really beats the previous one.
  • Publish model cards and benchmarks, including the transparency information the AI Act requires per model.
What we ask
  • Experience running models on GPUs (vLLM, SGLang or similar), training or finetuning language models (SFT, DPO, LoRA), or both.
  • You measure instead of trusting your gut: benchmarks, evals, and statistics where needed.
  • Python, Linux and containers, and the usual tooling around them (Hugging Face, PyTorch). You don't need to know everything, learning fast is what counts.
  • Fluent English. Dutch is a genuine plus, because you judge the quality of Loes most sharply in your own language. You must be based in the Netherlands.
  • Independent. There's no manager spelling out your work for you.
What we offer
  • A competitive salary at the top of the market.
  • Remote work, with our HQ in Groningen. Twice a year the whole team spends a week abroad together.
  • A spot on the first team of a startup, with all the room and responsibility that comes with it. And above all: the chance to be part of this journey from the very start.
Apply via info@hostyourai.com

Send a short introduction and something you've made faster, cheaper or better. No formal cover letter needed.

Open application

Remote (Netherlands), headquarters Groningen Full-time or part-time

We're growing faster than we can write vacancies. If you see a place for yourself that isn't listed here, we'd love to hear about it. Tell us what you'd come to do and why with us.

Things we're always curious about
  • Growth, content and SEO, including in German.
  • Marketing and communication around HostYourAI and Loes.
  • UI/UX design for Loes and the platform.
  • Security and compliance, from GDPR to the AI Act.
  • Developer experience: documentation, examples, SDKs.
  • Something we haven't thought of yet.
Apply via info@hostyourai.com

Send your CV, a short motivation and your LinkedIn profile: who you are and what you'd come to do.

Know someone who would be a perfect fit here?

Share this page. Our best conversations often start with someone saying: you really should talk to those two.

Refer someone via info@hostyourai.com