Data Scientist

Ascendion; Teletrabalho; BRL 160.000 - 200.000; Tempo integral

Resumo da oferta

A digital engineering solutions company is seeking a Senior Data Scientist to evaluate LLM-based products. This role involves ensuring the quality and accuracy of AI outputs through a mix of human evaluation and automated methods. Key responsibilities include working with subject matter experts, defining evaluation criteria, and improving evaluation processes. Ideal candidates should have 6-7 years in data science and strong experience with LLMs, along with excellent Python skills. This is a remote position based in Brazil.

Qualificações

• 6-7 years of experience in Data Science, ML, or AI roles.
• Strong experience with LLMs and Generative AI.
• Hands-on experience evaluating LLM outputs.

Responsabilidades

• Review and evaluate LLM outputs for quality, accuracy, safety, and relevance.
• Work with SMEs on manual evaluations.
• Define evaluation criteria and scoring guidelines.

Conhecimentos

Data Science

Machine Learning

Generative AI

Python

AWS

Communication

Ferramentas

AWS Lambda

AWS EC2

AWS S3

AWS SQS

AWS SNS

Descrição da oferta de emprego

About Ascendion Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.

Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us :

Build the coolest tech for the world’s leading brands

Solve complex problems – and learn new skills

Experience the power of transforming digital engineering for Fortune 500 clients

Master your craft with leading training programs and hands‑on experience.

Experience a community of change‑makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

About the Role

Job Title : Data Scientist

Contract Type : Contract in Brazil

Office model - Remote

We’re looking for a Senior Data Scientist focused on evaluating LLM-based products. The role is all about making sure AI outputs are high-quality, accurate, safe, and useful, using a mix of human evaluation and LLM-based evaluation approaches (LLM-as-a-Judge and LLM-as-a-Jury). You’ll work closely with SMEs, product, and engineering teams to build and scale evaluation frameworks that help improve AI products.

What You’ll Do :

• Review and evaluate LLM outputs for quality, accuracy, safety, and relevance.
• Work with SMEs on manual and human‑in‑the‑loop evaluations.
• Use LLMs to evaluate other LLMs (LLM-as-a-Judge / LLM-as-a-Jury).
• Define simple evaluation criteria and scoring guidelines.
• Analyze results and share clear feedback with product and engineering teams.
• Help improve evaluation processes and best practices over time.

What We’re Looking For :

• 6-7 years of experience in Data Science, ML, or AI roles.
• Strong experience with LLMs and Generative AI.
• AWS : Core AWS - Lambda, EC2, S3, SQS, SNS, etc.
• Hands‑on experience evaluating LLM outputs (manual or automated).Solid Python skills for analysis and automation.
• Experience with LLMs like ChatGPT, Claude, Mistral, or similar.
• Strong communication skills and a collaborative mindset.

Nice to Haves :

• Experience with AI evaluation metrics or quality frameworks.
• Familiarity with LLMOps or AI monitoring.
• Interest in AI safety, reliability, and responsible AI processes.