Back to positions

Prompt Engineering Specialist for AI Agents in Brazilian Fintech

Remote role Full-time Open position

We are seeking a Prompt Engineering Specialist to enhance our AI agents for a Brazilian fintech startup. Your expertise will help us refine user interactions, ensuring our AI agents meet user needs while aligning with fintech regulations and operational workflows.

Key Responsibilities

Design prompts that drive effective communication and responses in financial and logistics contexts. Architect multi-step conversational flows, including fallback logic and escalation to human support. Structure knowledge bases for RAG workflows, including chunking, embeddings, and contextual tagging. Evaluate agent outputs to improve accuracy, tone adherence, and overall user experience. Mandatory Requirements Impeccable written Portuguese for designing natural, audience-appropriate conversations. Proven experience in AI development, conversational design, and production-level LLM prompt engineering. Hands-on experience with n8n, WhatsApp Meta API, Instantly, and Confluence/Jira. If you have a strong background in building reliable AI systems, we would love to hear from you! Please include examples of past production use cases in your proposal. Apply tot his job Apply To this Job

Further positions

Job #1120 – Computer Vision Engineer – research and production

Remote role Full-time

Prompt Engineer + SEO Content Systems (Fix AI Template for Scalable Pages)

Remote role Full-time

AI Engineer - RAG Pipeline, Claude API & Prompt Engineering -Hospitality SaaS MVP - Contract to Hire

Remote role Full-time

Senior Dutch Prompt Engineer – Remote, Part-Time; NL

Remote role Full-time

Senior Research Engineer, Computer Vision

Remote role Full-time

Principal Applied Scientist - Computer Vision

Remote role Full-time

Junior Software Developer - Short Term / Temp - Remote

Remote role Full-time

[Remote] Sr. Software Engineer (Computer Vision)

Remote role Full-time

Applied Computer Vision + Evaluation Engineer - $180,000-$230,000 + Equity - Remote (US)

Remote role Full-time

Senior AI Engineer - NLP

Remote role Full-time

arenaflex Part‑Time Data Entry Engineer – $25/hr – Silicon Innovation & Timing Analysis Role (CAD Engineer – Transistor‑Level Timing)

Remote role Full-time

Chief of Staff / Strategy Ops Lead (Web3)

Remote role Full-time

Entry-Level Remote Data Entry Specialist – Launch Your Career with arenaflex, No Experience Required

Remote role Full-time

Golang Developer

Remote role Full-time

Software Engineer III

Remote role Full-time

Experienced Live Chat Support Specialist – Remote Customer Service Representative | arenaflex

Remote role Full-time

Senior Specialist, Accounting

Remote role Full-time

Partner Alliance Manager

Remote role Full-time

Experienced Virtual Customer Support Specialist – Travel Industry Expertise at arenaflex

Remote role Full-time

Senior Regional Vice President- Operations (Remote)

Remote role Full-time