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3 дня назад

AI Training and Prompt Engineering Specialist (AI)

Формат работы
remote (Global)
Тип работы
fulltime
Грейд
middle
Английский
c1
Страна
Poland
Вакансия из списка Hirify.GlobalВакансия из Hirify Global, списка международных tech-компаний
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Описание вакансии

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TL;DR
AI Training and Prompt Engineering Specialist (AI): Making YOlanda reliable as an AI concierge by designing prompts, evaluation systems, training data, and production code with an accent on LangChain, LangGraph, retrieval, and bilingual Spanish-English conversations. Focus on testing model behavior, red-teaming prompt injection and abuse, grounding financial answers, and shipping measurable improvements through Python-based evaluations.

Location: Remote, global; full-time with flexible working hours.

Company

hirify.global operates a connectivity and distribution business with an AI concierge, YOlanda, built into the YO platform.

What you will do

  • Own YOlanda’s system prompt, persona, tone, safety rules, refusal behavior, and action prompts for plans, top-ups, balances, offers, and support.
  • Define the boundary between YOlanda and YOnC and create seamless handoffs between specialist models.
  • Build few-shot examples, manage context, and prevent repeated questions or blank-prompt interactions.
  • Create evaluation sets with test cases, pass conditions, and release-over-release scoring.
  • Rank and critique outputs, produce reinforcement-learning and fine-tuning data, and fact-check plan prices, balances, and YOYO$ calculations.
  • Develop Python evaluation tooling, work with streaming APIs, function calling and structured output, and maintain versioned prompts in Git.

Requirements

  • At least 2 years of production experience building with large language models.
  • Shippable Python skills for scripts, API clients, data handling, and tests.
  • Experience with LangChain and LangGraph, including modifying existing graphs safely.
  • Production retrieval experience with chunking, embeddings, reranking, grounding, and assessing when retrieval is inappropriate.
  • Exceptional written English and bilingual Spanish and English proficiency to the same standard.
  • Methodical experimentation: changing one variable, testing it, recording the result, and iterating.

Nice to have

  • Fine-tuning experience with SFT, DPO, or LoRA.
  • Experience with promptfoo, Braintrust, LangSmith, or DeepEval.
  • Mobile, telecoms, or fintech experience.
  • Editorial or linguistics training.

Culture & Benefits

  • Flexible working hours and a global remote setup.
  • Highly collaborative team focused on achieving shared goals.
  • Corporate equipment provided for work.
  • Competitive salary.
  • Opportunities for personal and professional growth.

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