Doctoral Research Fellow – LLM, Model Evaluation, Python, Prompt Engineering

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🕒 June 23

🇧🇷 Brazil – Remote

💵 R$11k / month

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧬 Research Scientist

👻 Ghost score 25%

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Instituto Euvaldo Lodi

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 1969

🤝 B2B

📚 Education

💼 Consulting

B2B • Education • Consulting

IEL - Instituto Euvaldo Lodi is a Brazilian institute linked to the Sistema Indústria (CNI/SENAI/SESI) that supports industry by promoting innovation, workforce development, and stronger ties between companies, universities and research institutions. It provides services such as corporate training, professional qualification, internships and student-business integration, technology and management support, and programs to increase industrial competitiveness and knowledge transfer. IEL operates as a business-facing organization focused on improving industry performance and linking academic and technological resources to companies.

📋 Description

• Design and implement evaluations and tests of synthetic personas to simulate different user profiles, goals, and behaviors • Develop experimental LLM-as-a-Judge pipelines, including prompt engineering, rubric design, and automated evaluation protocols for scalable analysis of AI-generated responses • Combine concepts from Reinforcement Learning and Preference Optimization • Research and apply preference optimization techniques and reinforcement learning to continuously improve language models, analyzing impacts on quality, robustness, and alignment

🎯 Requirements

• Education: PhD • Fields of study: Computer Science, Computer Engineering, Information Systems, Data Science, Statistics, Applied Mathematics, or related areas in Computing, Artificial Intelligence, or Machine Learning • Programming: Python • Knowledge of Machine Learning and Deep Learning fundamentals • Familiarity with Large Language Models (LLMs) and Generative AI • Experience with AI model development libraries (PyTorch and/or Hugging Face Transformers) • Ability to read and comprehend scientific papers in English • Basic knowledge of experimental design, results analysis, and model evaluation • Experience with LLM evaluation / LLM-as-a-Judge (a plus) • Experience with RLHF, DPO, or preference optimization (a plus) • Participation in scientific research/publications in AI or Machine Learning (a plus) • Experience with code agents (Claude Code, GitHub Copilot, Codex, etc.) (a plus)

🏖️ Benefits

• Stipend: R$ 11,000.00 • Remote work

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