Data Science at TRACTIAN

The Data Science team at TRACTIAN focuses on extracting valuable insights from vast amounts of industrial data. Using advanced statistical methods, algorithms, and data visualization techniques, this team transforms raw data into actionable intelligence that drives decision-making across engineering, product development, and operational strategies. The team constantly works on optimizing prediction models, identifying trends, and providing data-driven solutions that directly enhance the company’s operational efficiency and the quality of its products.

What you'll do

We're seeking an experienced LLM Applications Engineer to design, develop, and deploy production-ready applications that harness the capabilities of large language models. In this role, you'll create robust APIs, implement intelligent information retrieval systems, and build resilient infrastructure that connects AI capabilities with real-world industrial applications.

Responsibilities

Design and develop user-facing applications powered by large language models

Create and maintain high-performance APIs that integrate LLMs with our platformImplement retrieval-augmented generation (RAG) systems for enhanced information access

Build intelligent document processing workflows using OCR and LLM technologies

Develop conversational interfaces that solve practical problems for our users

Ensure system reliability with fallback mechanisms for provider outages

Collaborate with product teams to define requirements and technical specifications

Requirements

1-4 years of experience in software engineering with a focus on backend development

Bachelor's degree in Computer Science, Computer Engineering, Information Systems, or equivalent technical field

Demonstrated experience building applications that utilize large language models

Strong proficiency in Python and experience with web frameworks like FastAPI, Flask, or Django

Experience designing, building, and maintaining production REST APIs

Working knowledge of relational databases and SQL

Familiarity with LLM orchestration tools such as LangChain or LangGraph

Experience with vector embeddings and information retrieval systems

History of shipping code to production environments

Preferred Qualifications

Experience with LLM fine-tuning and model optimization techniques

Knowledge of containerization and microservices architecture

Experience with OCR and document processing technologies

Understanding of performance optimization for AI applications

Technical Skills

Programming: Python and/or Golang

Frameworks: FastAPI, Flask, Django

LLM Tools: LangChain, LangGraph

API Development: REST, OpenAPI

Databases: PostgreSQL, Redis, vector databases

LLM Integration: OpenAI, Anthropic, and other providers

Information Retrieval: Vector embeddings, semantic search

Document Processing: OCR, PDF parsing

AI Engineer

About this role

Responsibilities

Requirements

Preferred Qualifications

Technical Skills

Explore related jobs

More jobs at Tractian

Jobs in São Paulo

Browse these categories