← WorkMundi · 1 milhão+ de vagas do mundo, ao vivoEntrarCriar conta grátis

AI Prompt Engineer Jobs in Brazil

Rex.zone · Brazil

📅 20/08/2026
🔔 Avise-me sobre vagas como esta
Sem senha, sem cadastro. É só o e-mail — e você sai da lista quando quiser.
🔓 Candidatar-se — grátis →
Abre esta vaga no WorkMundi. A conta é grátis e leva menos de um minuto.

Ver as outras 96.767 vagas no Brasil →

🎁 Antes de se candidatar, treine esta entrevista. Crie sua conta grátis no WorkMundi e ganhe um Treinamento de Entrevista no HelpsYouSpeak — sem custo, sem cartão. Quero meu treinamento →
AI Prompt Engineer Jobs in Brazil (Remote) Design, test, and evaluate prompts and system instructions to improve large language model outputs for production workflows. You will build prompt libraries, run A/B tests, support RLHF-ready artifacts, and partner with engineering teams to ship reliable prompt templates for tools, agents, and RAG use cases. Key Responsibilities Build reusable prompt libraries, templates, and style guides Run prompt evaluation, A/B tests, regression suites, and red-teaming Define evaluation criteria, QA rubrics, and scoring guidelines Create RLHF-ready artifacts (preference comparisons, prompt-response pairs) Analyze failure modes (hallucinations, toxicity, policy violations) and iterate Document experiments, metrics, and learnings for repeatable improvements Required Qualifications Production experience in prompt engineering and/or LLM evaluation programs Strong writing, structured reasoning, and experiment design skills Familiarity with NLP concepts and LLM failure modes Ability to write clear annotation guidelines and QA checklists Comfort collaborating remotely with cross-functional stakeholders Preferred RLHF / human-in-the-loop evaluation and preference ranking experience RAG prompting, tool calling, or agentic workflow experience Python/SQL for analysis, telemetry, and experiment tracking Content safety, policy, and adversarial prompting exposure Pay $30–$50 per hour (base).
Ler o resto da vaga →
For people searching Engineer

144,883 engineer jobs are open right now

Here's how to pick the right one and stand out in your application.

144.883Jobs
31.687IN
81%EN

That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.

Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.

Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.

When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.

👁 21 have read this
0 comments
Want to comment?

Leave your e-mail to comment, react and follow the posts for your role. It is free.

Vagas parecidas

Vaga no WorkMundi — o maior portal de vagas do mundo. Veja mais vagas de todos os continentes, atualizadas ao vivo.

📢
🎁

Antes de se candidatar, treine esta entrevista.

Crie sua conta grátis no WorkMundi e ganhe um Treinamento de Entrevista no HelpsYouSpeak — sem custo, sem cartão.

Quero meu treinamento →