Context Engineer Loes

HostYourAI; United States; Remote; USD 94,000 - 143,000; Full time

Job summary

HostYourAI is seeking a multilingual AI designer for Dutch and English to shape how a language model responds. You’ll craft instructions, information sources, and memory handling to improve answers across languages.

You will design web search and document retrieval strategies, define tool usage and integrations, and build evaluation sets to measure progress. Remote work from the Netherlands is supported, with a salary at the top of the market.

Qualifications

• Experience building applications with language models.
• Proficiency in Python and empirical evaluation.
• Fluency in Dutch and English.
• Residence in the Netherlands.

Responsibilities

• Write and maintain the model's instructions and conversational character across languages.
• Design how the system searches the web and retrieves information from documents, including which sources contribute to answers.
• Describe tools and integrations so the model can select and use them reliably, including in long conversations.
• Build evaluation sets, assess responses, and compare performance across models to determine whether changes help.
• Collaborate with product, engineering, and AI research teammates; contribute useful conversation examples to training data.

Skills

Prompt-based systems

Retrieval-augmented generation

Tool calling

Agents

Python

Strong writing

Multilingual (Dutch & English)

Job description

Role overview

Improve the context and supporting systems that shape how a language model responds. You’ll design and evaluate its instructions, information sources, tools, and conversation memory, then use measured results to refine answer quality across Dutch and other languages.

Responsibilities

• Write and maintain the model’s instructions and conversational character across languages.
• Design how the system searches the web and retrieves information from documents, including which sources contribute to answers.
• Describe tools and integrations so the model can select and use them reliably, including in long conversations.
• Build evaluation sets, assess responses, and compare performance across models to determine whether changes help.
• Collaborate with product, engineering, and AI research teammates; contribute useful conversation examples to training data.

Requirements

• Experience building applications with language models, such as prompt-based systems, retrieval-augmented generation, tool calling, or agents.
• Interest in working with Python and evaluating results empirically.
• Strong writing skills and sensitivity to both factual correctness and clear, natural language.
• Fluency in Dutch and English.
• Current residence in the Netherlands.

Benefits and work setup

• Full-time remote work from the Netherlands, with a headquarters in Groningen.
• Competitive salary described as at the top of the market and twice-yearly week-long team gatherings abroad.
• Direct influence on the behavior of a Dutch-language AI product used by people every day.