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Senior Data Scientist

BR: Sao Paulo - BTC Technology💼 Full-time🗓 2026-08-07 → 2026-09-25

Core

Design and deploy scalable AI-powered applications and services using LLMs, classical ML, and modern AI tooling to solve high-priority business problems.

Role type

Senior IC data scientist (LLM & production AI)

Builds

Production-grade AI applications, conversational bots, AI-powered search, and unstructured data processing platforms

Domain

Enterprise technology / Generative AI / Cloud Infrastructure

Deliverable

production ML models

Required skills

Python, Java, classical ML, LLMs, LangChain, Haystack, Hugging Face, Weaviate, RAG, AI agents, software architecture, cloud infrastructure, DevOps

Preferred skills

Retrieval Augmented Generation, agentic/LLM orchestration toolkits (LlamaIndex, Crew AI, AutoGen), unstructured data transformation, chatbot development, platform engineering

Technologies

AWS, Azure, GCP, LangChain, Haystack, Hugging Face, Weaviate, LlamaIndex, Crew AI, AutoGen

Responsibilities

Design and develop LLM-based and classical ML models into production-grade AI applications; Define and implement foundational platforms and tools for the enterprise; Evaluate and integrate existing AI tools, frameworks, and APIs into robust applications; Collaborate with cross-functional teams to ensure end-to-end delivery of AI products; Contribute to internal knowledge bases and tooling libraries to scale best practices.

Seniority

Senior, hands-on IC

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