Conversational Designer (Brazil) 1

Sitel Group; São Paulo; Presencial; BRL 80.000 - 120.000; Tempo integral

Resumo da oferta

A leading customer experience firm is seeking a CAI Engineer in São Paulo, Brazil. The role involves developing and deploying Conversational AI solutions using LLMs and integrating systems. Candidates should have over 5 years of experience in AI, especially with voicebots, and a strong background in machine learning. The position offers opportunities to work on cutting-edge technology while collaborating with talented professionals in a dynamic environment.

Qualificações

• 5+ years of experience in Conversational AI.
• Experience with model evaluation, tuning, and deployment.
• Understanding of AI safety and bias mitigation.

Responsabilidades

• Implement system integrations for seamless automation.
• Engineer prompts and structure knowledge bases.
• Configure and maintain STT/TTS systems.

Conhecimentos

Experience with LLM voicebots

Machine learning frameworks

Data preprocessing and feature engineering

Conversational AI knowledge

STT/TTS system experience

Ferramentas

Cognigy

APIs

Descrição da oferta de emprego

About Foundever

Foundever™ is a global leader in the customer experience (CX) industry. With 170,000 associates across the globe, we’re the team behind the best experiences for +750 of the world’s leading and digital‑first brands. Our innovative CX solutions, technology and expertise are designed to support operational needs for our clients and deliver a seamless experience to customers in the moments that matter.

Job Summary

The CAI Engineer (Conversational AI Engineer) is responsible for developing and deploying Conversational AI solutions (chatbots and voicebots), using LLMs, Agentic AI, and NLU models. This role manages technical implementations and integrations across environments, ensuring compliance with standards and best practices. It combines expertise in prompt engineering, knowledge base structuring, and system integration to enable end‑to‑end automation and continuous improvement. The CAI Engineer also ensures safe and reliable model behavior, performs fine‑tuning, proactive monitoring, and performance optimization, and oversees STT/TTS configuration and maintenance to guarantee high‑quality voice and seamless telephony integration.

Roles and Responsibilities

• Implement system integrations for seamless automation across platforms
• Engineer prompts and structure knowledge bases to ensure accurate and context‑aware responses
• Ensure safe and reliable AI model by implementing safeguards and governance measures
• Configure and maintain STT/TTS systems, ensuring high‑quality voice performance and seamless telephony integration
• Document architectures, configurations, and deployment processes to maintain transparency and reproducibility
• Collaborate with cross‑functional teams and work with developers, data analysts, product teams, and business stakeholders to align AI solutions with organizational goals
• Apply Agentic AI knowledge to design frameworks and provide implementation‑focused recommendations
• Create best practices for hybrid bots with NLU and LLM

Preferred Qualifications and Experience

• 5+ years of experience. Experience with LLM voicebots is important
• Experience with machine learning and deep learning frameworks
• Knowledge of data preprocessing, feature engineering, and data pipelines
• Experience with AI models for chatbots or voicebots
• Experience with model evaluation, tuning, and deployment
• Knowledge of conversational AI platforms for chatbot and voicebot development (e.g., Cognigy)
• Experience with speech technologies: STT (speech‑to‑text) and TTS (text‑to‑speech) systems
• Model deployment and integration skills, including APIs and system integrations
• Ability to monitor, evaluate, and optimize AI models for performance, scalability, and reliability
• Understanding of AI safety, bias mitigation, and ethical practices in conversational AI
• Ability to document architectures, configurations, and deployment procedures clearly
• Collaboration skills to work with product, engineering, and UX teams
• Fluent in written and spoken English and French

Nice to have

• Proficiency in German, French or any other EU language
• A proactive attitude, with a passion for learning and keeping up with the latest industry trends
• A collaborative team player who can also work independently with minimal supervision
• Experience in chatbot and voicebot project using Cognigy

Why You'll Love This Role

Be at the forefront of CX transformation, working with leading BOT/AI technologies, specially Genesys delivery.
Work with global clients across the U.S. and EMEA, delivering cutting‑edge solutions in a fast‑paced, dynamic environment.
Collaborate with a talented team of experts in AI, automation, performance, and agent tools to deliver exceptional results.
Drive business success by managing multiple projects and clients simultaneously, with opportunities to showcase your leadership and problem‑solving skills.
Grow professionally by working on complex, high‑visibility projects while honing your technical, project management, and client relationship skills.