
1001 - 5000 employees
Founded 1972
🤝 B2B
🤝 Non-profit
📚 Education
B2B • Non-profit • Education
Sistema Fibra is a civic organization based in Brasília that focuses on enhancing the competitiveness of industries and entrepreneurship through representation and support. It brings together various entities, including Sesi, Senai, and IEL, to promote industrial growth and workforce development in Brazil.
🕒 June 23
🗣️🇧🇷🇵🇹 Portuguese Required
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1001 - 5000 employees
Founded 1972
🤝 B2B
🤝 Non-profit
📚 Education
B2B • Non-profit • Education
Sistema Fibra is a civic organization based in Brasília that focuses on enhancing the competitiveness of industries and entrepreneurship through representation and support. It brings together various entities, including Sesi, Senai, and IEL, to promote industrial growth and workforce development in Brazil.
• Develop and run experiments to discover new methods for evaluating Large Language Models (LLMs) and agents, investigating metrics for quality, factuality, safety, and adherence to specific requirements. • Develop experimental pipelines for LLM-as-a-Judge, including prompt engineering, creation of rubrics, and automated evaluation protocols for scalable analysis of AI-generated responses, combining concepts from Reinforcement Learning and preference optimization. • Research and apply preference optimization and reinforcement learning techniques to continuously improve language models, analyzing impacts on quality, robustness, and alignment. • Perform quantitative analyses of experimental results, document findings, propose methodological improvements, and contribute to defining best practices for LLM evaluation and optimization.
• Education: Master’s degree • Degree areas: Computer Science, Computer Engineering, Information Systems, Data Science, Statistics, Applied Mathematics, or related fields in Computing, Artificial Intelligence, and Machine Learning. • Proficiency in 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 understand scientific papers in English. • Basic knowledge of experimentation, result analysis, and model evaluation. • Experience with LLM evaluation / LLM-as-a-Judge (desirable). • Experience with RLHF, DPO, or preference optimization (desirable). • Involvement in scientific research/publications in AI or Machine Learning (desirable).
• Stipend: BRL 9,000.00 • Availability: 40 hours per week; Duration: 12 months
Apply Now🕒 June 23
Senior Backend Developer at iblue Consulting, responsible for developing and evolving the Backend/BFF using Java. Participate in multidisciplinary teams to drive technical excellence and innovation in business solutions.
🗣️🇧🇷🇵🇹 Portuguese Required
Docker
Java
JUnit
Kubernetes
Spring
Spring Boot
SpringBoot
🕒 June 19
Principal/Senior Backend Engineer building a high-load, low-latency bidding platform for digital advertising. Collaborating with a global team and designing core backend services.
Distributed Systems
Postgres
Redis
Go
🕒 June 18
Backend Developer focused on creating scalable backend functionalities and leading technical architecture improvements for innovative tech solutions. Seeking professionals for a collaborative environment.
🗣️🇧🇷🇵🇹 Portuguese Required
AWS
Python
🕒 June 18
Senior Software Analyst at BV Bank focusing on complex Java system development and AI solutions integration. Leading tech initiatives and potentially managing multidisciplinary teams.
🗣️🇧🇷🇵🇹 Portuguese Required
Cloud
Docker
Google Cloud Platform
Java
Kafka
Spring
Spring Boot
SpringBoot
🕒 June 18
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🗣️🇧🇷🇵🇹 Portuguese Required
Android
Gradle
Jenkins
Maven
NoSQL
SQL
Subversion
.NET