Data Scientist (AI Agent Security and Observability)

VTEX; Brasil; Teletrabalho; BRL 324.000 - 433.000; Tempo integral

Resumo da oferta

A leading technology company in Brazil is seeking a Data Scientist to join their AI Models team. This role involves researching, developing, and improving machine learning models for conversational agents. The ideal candidate will have a strong foundation in statistics, proficiency in Python, and hands-on experience with machine learning frameworks. This position offers health insurance, flexible work arrangements, and a collaborative environment.

Serviços

Health, dental, and life insurance

Flexible meal allowance

Extended parental leaves

Flexible work schedule

Financial assistance for home office setup

Wellness program

Qualificações

• Experience analyzing large datasets.
• Hands-on practice with machine learning models.
• Understanding of ethical considerations in AI.

Responsabilidades

• Develop tests for safety and ethics of generative models.
• Research and implement machine learning models.
• Analyze data to guide model improvements.
• Collaborate with engineers and product managers.
• Evaluate model performance based on usage.
• Perform exploratory data analysis.

Conhecimentos

Familiarity with guardrail concepts in generative models

Familiarity with safety/ethics concepts in generative models

Strong foundation in Statistics

Proficiency in Python

Experience using Git for code version control

Hands-on practice with scikit-learn, pandas

Knowledge of Deep Learning

Experience with AWS for storage, pipelines

Monitoring of performance in production

Critical thinking

Clear communication

Familiarity with GenAI/LLMs

Formação académica

Bachelor’s degree in Computer Science, Engineering, Statistics, Mathematics

Descrição da oferta de emprego

Data Scientist (AI Agent Security and Observability)

About the Role

As a Data Scientist, you will join the AI Models team at Weni by VTEX , a business unit of VTEX. You will be responsible for researching, developing, and improving machine learning models that power our conversational agents and multi-agent systems. You are driven by curiosity and impact, transforming complex data into tangible improvements in user experience and product performance.

What you will do

• Develop tests related to the safety and ethics of generative models.
• Research, design, and implement machine learning models to improve the performance of conversational agents and multi-agent systems.
• Analyze large datasets to extract insights that guide model improvements and product decisions.
• Work closely with engineers and product managers to bring AI models from prototype to production.
• Continuously evaluate model performance and iterate based on real-world usage and feedback.
• Perform exploratory data analysis (EDA) to uncover hidden structures, anomalies, and relationships in data, informing hypothesis generation and experimental design for conversational AI systems.

Who you are

• Familiarity with guardrail concepts in generative models
• Familiarity with safety/ethics concepts in generative models
• Strong foundation in Statistics
• Proficiency in Python
• Experience using Git for code version control
• Hands-on practice with scikit-learn, pandas, and other data-related frameworks
• Knowledge of Deep Learning
• Experience with cloud services (AWS) for storage, pipelines, and deployment
• Monitoring of performance, data drift, and data quality in production
• Critical thinking, curiosity, and proactive problem-solving
• Clear communication (oral, written, and visual) and collaborative work style
• Familiarity with GenAI/LLMs (prompt engineering, fine-tuning, hallucination evaluation)
• Bachelor’s degree in Computer Science, Engineering, Statistics, Mathematics, or related fields

About VTEX

VTEX (NYSE: VTEX) is the composable and complete commerce platform that delivers more efficiency and less maintenance to organizations seeking to make smarter IT investments and modernize their tech stack. Through our pragmatic composability approach, we empower brands, distributors, and retailers with unparalleled flexibility and comprehensive solutions, enabling them to invest solely in what provides a clear business advantage and boosts profitability. VTEX is trusted by 2,400 global B2C and B2B customers, including Carrefour, Colgate, Motorola, Sony, Stanley Black & Decker, and Whirlpool, having 3,400 active online stores across 43 countries (as of FY ended on December 31, 2024).

Founded in the year 2000, VTEX has a history of being unstoppable. Completely against the odds, VTEX is leading a high-tech industry and positioned above market giants. We are building an extraordinary future with more than 1,300 employees scattered across 25 locations in 16 countries in Latin America, North America, Europe, and Asia. For more information, visit www.vtex.com.

At VTEX, you will work in a challenge-driven environment and collaborate with amazing peers. If you are powerful individually, join us, and we will be unstoppable together.

About Weni by VTEX

Weni by VTEX is a business unit of VTEX dedicated to enterprise customer experience solutions powered by artificial intelligence, designed for brands and retailers.

With the Weni Platform, we redefine sales and post-sales journeys through hyperautomation and the smart integration of data into conversational channels, delivering faster, more personalized, and more efficient experiences for consumers.

• Health, dental, and life insurance with national coverage provided by VTEX;
• Flexible meal allowance;
• Extended parental leaves;
• Flexible work schedule and remote-first culture;
• Financial assistance to build your work-from-home setup;
• Wellness program;

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