[GenAI Core] Sênior AI Engineer - Híbrido Florianópolis

Stone - LinkedinFlorianópolis, Santa Catarina, Brasil - HíbridoEngenharia & Tecnologia

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Opens the official Stone - Linkedin careers page

Salary

Not listed

Job type

Full-time

Experience

Senior

Posted

8 Oct 2026

Status

Open · checked 7d ago

About this role

This Senior AI Engineer role suits a technology professional with extensive Python and machine learning expertise who wants to build generative AI solutions in a hybrid setting in Florianópolis. Located in Florianópolis, Santa Catarina, Brazil, the position involves developing conversational products with WhatsApp and Twilio using data analysis, software engineering, and model creation.

Role Overview

The Senior AI Engineer designs and experiments with machine learning models and generative AI systems. Operating within an agile framework, the professional collaborates with a multidisciplinary team to drive results through continuous validation cycles and metrics-driven experiments.

Key Responsibilities

Build solutions utilizing generative AI and machine learning for conversational products via WhatsApp and Twilio.

Engage directly in prompt engineering, software engineering, data analysis, and model creation.

Conduct clear quantitative analyses ranging from problem definition to results presentation.

Document and share data-driven insights with colleagues from diverse backgrounds.

Take part in rapid iteration cycles covering model training, tuning, testing, and deployment.

Collaborate with a multidisciplinary team to define, design, implement, and advance machine learning models and pipelines.

Requirements

Extensive background in Python, including designing and experimenting with machine learning models.

Familiarity with the fundamentals of Large Language Models and prompt engineering.

Knowledge of Natural Language Processing techniques, information retrieval, and optimization.

Availability to work under a hybrid model in Florianópolis, Santa Catarina.

Nice to Have

Practical background deploying generative AI systems into production.

Familiarity with software engineering best practices and continuous integration and deployment routines.

Basic understanding of cloud platforms such as AWS, GCP, or Azure.

Experience building APIs that communicate with databases.

Familiarity with MLOps tools including Databricks, Snowflake, or Sagemaker.

Skills and Tools

Python

Machine Learning

Generative AI

Large Language Models

Prompt Engineering

Natural Language Processing

AWS

GCP

Azure

Databricks

Snowflake

Sagemaker

APIs

CI/CD

Salary and Benefits

Fixed salary and variable remuneration package including profit sharing, long-term incentives, or commission based on eligibility.

Health and dental insurance plans with coparticipation, along with a 24/7 virtual hospital and telemedicine service.

Medication subsidy, meal and food vouchers, and childcare assistance for children up to five years and eleven months.

Support for children with disabilities, life insurance, fuel or commuting assistance, and a home office allowance for hybrid positions.

Welcome kit for new parents, SESC partnership, internal education platform, and emotional support services.

Optional perks including Wellhub, TotalPass, Pet Club, Flash, and educational partnerships.

About the Company

Stone is an independent technology and financial services provider focused on payment solutions for Brazilian entrepreneurs. Operating across five regions in Brazil with over fifteen thousand employees, the organization values teamwork, flexibility, continuous development, and disruptive problem-solving.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

Python Machine Learning Generative AI LLM NLP AWS GCP Azure Databricks Snowflake Sagemaker APIs CI/CD LLMs MLOps Prompt Engineering

Questions candidates ask

What is the work location for this role?

The position is hybrid, based in Florianópolis, Santa Catarina, Brazil.

What core programming language is required?

Extensive experience in Python is required for designing and experimenting with machine learning models.

What technologies are used in the conversational products?

The role involves creating solutions for conversational products utilizing WhatsApp and Twilio.

Are there optional perks available in the benefits package?

Yes, optional perks include Wellhub, TotalPass, Pet Club, Flash, Férias&Co, VT, Allya, and educational partnerships.

How should I submit my application?

Candidates must apply directly on the official company careers page.

Ready to apply?

The application is on the official Stone - Linkedin careers page.

Apply on company site

Job details

Salary

Not listed

Location

Florianópolis, Santa Catarina, Brasil - Híbrido

Job type

Full-time

Experience

Senior

Department

Engenharia & Tecnologia

Posted

8 Oct 2026

Status

Open · checked 7d ago

Stone - Linkedin stone.com.br

Stone is a technology and financial services company focused on the Brazilian entrepreneur, operating as an independent provider of payment methods. The company builds solutions that span point-of-sale machines, digital accounts, credit lines, and financial management tools for businesses of various sizes, ranging from micro-entrepreneurs to large enterprises. Its ecosystem integrates sales channels, e-commerce support, and operations management into unified platforms. In the technology and artificial intelligence domains, Stone incorporates machine learning, generative AI models, large language models (LLMs), and RAG pipelines into its products and engineering workflows. The company establishes architectural security standards for applications integrating these AI models, and builds supporting platforms for generative AI features, chatbots, and internal service integrations using technologies such as TypeScript, Node.js, and cloud platforms including AWS, GCP, and Azure. The open roles indicate that Stone is building specialized teams across engineering, data science, and security. The current openings include senior artificial intelligence engineering, senior software engineering focused on generative AI, data science for people analytics, and security engineering for application security. These positions offer remote work options as well as hybrid arrangements based in Florianopolis, Santa Catarina, Brazil, catering primarily to senior-level professionals.

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