{"jobs":{"data":[{"_score":5,"id":191122,"title":"Dutch Senior Prompt Engineer: LLM Migration & Optimization","title_slug":"dutch-senior-prompt-engineer-llm-migration-optimization","url":"\/jobs\/dutch-senior-prompt-engineer-llm-migration-optimization-191122.html","hybrid":false,"external_job":false,"languages":[{"id":2,"name":"English","slug":"English","level":3,"level_string":"Proficiency","mandatory":"true","lowercase":"English"},{"id":10,"name":"Dutch","slug":"Dutch","level":4,"level_string":"Mother tongue","mandatory":"true","lowercase":"Dutch"}],"category":{"id":3,"name":"Information and Technology","slug":"Information-and-Technology"},"country":{"id":19,"name":"Netherlands","lowercase":"Netherlands","slug":"Netherlands"},"region":null,"city":{"id":null,"lowercase":"Remote","name":"Remote","slug":"Remote"},"company":{"id":2108261,"lowercase":"Welocalize","name":"Welocalize","logo":{"original":"https:\/\/static.europelanguagejobs.com\/contents\/companies\/2108261\/6565b4e5c0c9a.jpg","x100":"https:\/\/static.europelanguagejobs.com\/contents\/companies\/2108261\/100-6565b4e5c0c9a.jpg","x200":"https:\/\/static.europelanguagejobs.com\/contents\/companies\/2108261\/200-6565b4e5c0c9a.jpg","alt":""}},"client":null,"pin":false,"fpin":false,"spin":false,"mpin":false,"republished_at":"2026-03-20 10:16:45","extra":{"active":true,"screeningQuestions":[],"favorite":null,"redirect":null,"application":null,"canApply":false,"available":true,"new":false,"minisite":"jobs-at-welocalize-2108261"},"relocation_package":false}],"total_search":1,"seconds":0.004},"job":{"_score":0,"id":191122,"title":"Dutch Senior Prompt Engineer: LLM Migration & Optimization","title_slug":"dutch-senior-prompt-engineer-llm-migration-optimization","url":"\/jobs\/dutch-senior-prompt-engineer-llm-migration-optimization-191122.html","hybrid":false,"external_job":false,"languages":[{"id":2,"name":"English","slug":"English","level":3,"level_string":"Proficiency","mandatory":"true","lowercase":"English"},{"id":10,"name":"Dutch","slug":"Dutch","level":4,"level_string":"Mother tongue","mandatory":"true","lowercase":"Dutch"}],"category":{"id":3,"name":"Information and Technology","slug":"Information-and-Technology"},"country":{"id":19,"name":"Netherlands","lowercase":"Netherlands","slug":"Netherlands"},"region":null,"city":{"id":null,"lowercase":"Remote","name":"Remote","slug":"Remote"},"company":{"id":2108261,"lowercase":"Welocalize","name":"Welocalize","logo":{"original":"https:\/\/static.europelanguagejobs.com\/contents\/companies\/2108261\/6565b4e5c0c9a.jpg","x100":"https:\/\/static.europelanguagejobs.com\/contents\/companies\/2108261\/100-6565b4e5c0c9a.jpg","x200":"https:\/\/static.europelanguagejobs.com\/contents\/companies\/2108261\/200-6565b4e5c0c9a.jpg","alt":""}},"client":null,"pin":false,"fpin":false,"spin":false,"mpin":false,"republished_at":"2026-03-20 10:16:45","extra":{"active":true,"screeningQuestions":[],"favorite":null,"redirect":null,"application":null,"canApply":false,"available":true,"new":false,"minisite":"jobs-at-welocalize-2108261"},"relocation_package":false,"description":"Are you an expert at navigating the complex architecture of Large Language Models? Welo Data <\/b>is seeking a highly technical Senior Prompt Engineer <\/b>based in Netherlands <\/b>lead the end-to-end migration of template workflows into high-performance LLM autoraters.
\n<\/div>

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This is a specialized role for a technical architect who understands that \"perfecting a prompt\" is a rigorous engineering discipline. You will leverage advanced APG\/APO tools and manual refinement to ensure our automated systems meet\u2014and exceed\u2014human accuracy baselines in both Dutch <\/b>and English contexts.<\/div>

<\/div>
The Mission: Automated Quality at Scale<\/b><\/div>

<\/div>
  • Architectural Migration<\/b>: Take full ownership of the end-to-end technical migration of templates to LLM autoraters.<\/li>
  • Optimization Leadership<\/b>: Utilize Automatic Prompt Generation (APG) and supervise Automated Prompt Optimization (APO) tools to push model performance past plateaus and logic deadlocks.<\/li>
  • Metrics<\/b>-Driven Excellence<\/b>: Continuously measure quality against \"gold data\" baselines, tracking precision, recall, and F1 scores to justify launch readiness.<\/li>
  • Edge<\/b>-Case Engineering<\/b>: Manually draft and refine complex prompts to overcome anti-patterns and architecture gaps that automated tools cannot solve.<\/li><\/ul><\/div>

    <\/div>
     Project Details<\/b><\/div>
    • Schedule<\/b>: Part-Time (Set your own hours within project milestones).<\/li>
    • Location<\/b>: 100% Remote (Must be currently based in Netherlands ).<\/b><\/li>
    • Language<\/b>: Native fluency in Dutch <\/b>and professional fluency in English<\/b>.<\/li>
    • Employment <\/b>Type: Freelance \/ Independent Contractor.<\/li><\/ul><\/div>

      <\/div>
      Candidate Profile<\/b><\/div>

      <\/div>
      • Educational Foundation<\/b>: Bachelor\u2019s, Master\u2019s, or PhD in Computer Science, Data Science, Computational Linguistics, or a related analytical field.<\/li>
      • Prompt Engineering Mastery<\/b>: 4+ years of experience tuning LLMs for strict, structured outputs, complex classification, and few-shot learning.<\/li>
      • Analytical Power<\/b>: High proficiency in identifying error patterns and using SQL or data analytics tools to monitor performance.<\/li>
      • Technical Agility<\/b>: Fast learner capable of mastering proprietary internal tools and \"Goose API\" style interfaces with minimal oversight.<\/li><\/ul><\/div>

        <\/div>
         Preferred Technical Skills<\/b><\/div>

        <\/div>
        • Familiarity with shadowbot monitoring and disagreement tracking between human and LLM ratings.<\/li>
        • Hands-on experience with Chain-of-Thought (CoT) prompting and APO systems.<\/li>
        • Deep linguistic expertise, including a strong understanding of semantics and formal logic.<\/li>
        • Proven ability to draft high-level Launch Certification Documentation.<\/b><\/li><\/ul><\/div>","requirements":"","offer":"","skills":[{"id":16518,"name":"Prompt Delivery","slug":"prompt-delivery","shortcut":false},{"id":7940,"name":"Prompt","slug":"prompt","shortcut":false},{"id":531123,"name":"Automatic Prompt Generation (APG)","slug":"automatic-prompt-generation-apg","shortcut":false},{"id":531124,"name":"Automated Prompt Optimization (APO)","slug":"automated-prompt-optimization-apo","shortcut":false},{"id":490780,"name":"LLMs","slug":"llms","shortcut":false}],"experience":{"id":0,"name":"Entry level"},"employment_type":null,"salary":{"name":" (to negotiate)","from":null,"to":null,"negotiate":true},"applicationsCount":10},"seo":{"title":"Jobs in Netherlands for Dutch speakers ","h1":"Dutch speaking jobs in Netherlands ","text":"Dutch speaking jobs in Netherlands. 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