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Senior Machine Learning Engineer

São Paulo, Estado de São Paulo💼 Full-time🗓 2026-02-14 → 2026-08-06

Core

Developing, training, and optimizing Transformer and LLM-based models for text processing tasks.

Role type

Senior Machine Learning Engineer (NLP)

Builds

Production text processing pipelines and LLM applications

Domain

Natural Language Processing (NLP) and Large Language Models

Deliverable

production ML models

Required skills

Python (advanced, OOP), Transformers (BERT, RoBERTa, GPT, Mistral), LLM fine-tuning, prompt engineering, text classification, entity extraction, OCR (Tesseract, Google Vision), PostgreSQL, Git/GitHub, automated testing (Pytest/Unittest), software design patterns

Preferred skills

RESTful APIs, FastAPI, Docker, cloud platforms (AWS, GCP), LLM-based agents, Streamlit

Technologies

Python, BERT, RoBERTa, GPT, Mistral, Tesseract, Google Vision, PostgreSQL, Git, Pytest, FastAPI, Docker, AWS, GCP, Streamlit

Responsibilities

Develop, train, and optimize Transformer and LLM models for text processing; Build robust text pre- and post-processing pipelines; Integrate models with databases and APIs; Participate in technical decisions regarding architecture, model versioning, testing, and deployment; Collaborate with data engineers to scale production solutions

Seniority

Senior, hands-on IC

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