Senior Data Developer - AI Solutions, Brazil

CI&T; Brasil; On-site; BRL 120,000 - 200,000; Full time

Benefits offered by this job

Health and dental insurance

Meal and food allowance

Childcare assistance

Wellbeing and fitness programs

Job summary

CI&T is seeking an AI Solutions Data Developer to join the Digital Supply Chain Analytics team. You will design, build, deploy, and maintain AI-enabled business applications that transform client supply chains in consumer goods.

Collaborate with data scientists and analysts to translate requirements into scalable, production-ready solutions. The role emphasizes MVP development, production hardening, and containerized deployment.

Qualifications

• Must have strong Python development experience.
• Experience building REST APIs and PostgreSQL databases.
• Advanced SQL knowledge and query optimization skills.
• Experience with Google BigQuery and data integration frameworks.
• Experience integrating LLMs into applications and prompt engineering.
• Familiarity with containerization and deployment best practices.
• Good English communication skills at B2 CEFR level.

Responsibilities

• Design and develop internal applications to support supply chain, logistics, and operations.
• Implement AI and ML capabilities as designed, including LLMs and RAG techniques.
• Design and maintain PostgreSQL databases, schemas, stored procedures, and ETL/ELT pipelines.
• Build data integrations with BigQuery, SAP, REST APIs, and enterprise systems.
• Package and deploy applications in Docker containers and manage environments.
• Create technical documentation and deployment guides for delivered solutions.

Skills

Python

REST API

PostgreSQL

SQL optimization

BigQuery

LLMs integration

Containerization

English (B2)

Job description

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

We are seeking a talented and experienced AI Solutions Data Developer to join the Digital Supply Chain Analytics team. This professional will play a key role in designing, building, deploying, and maintaining AI-enabled business applications, contributing to the digital transformation of our client’s supply chain in the consumer goods sector.

The AI Solutions Engineer will work closely with the Data Scientist and Data Analyst to translate business requirements into scalable applications, databases, workflows, and user-facing tools. The ideal candidate is a hands‑on builder who can quickly develop MVPs, harden solutions for production use, and deploy applications in containerized environments.

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

We are seeking a talented and experienced AI Solutions Data Developer to join the Digital Supply Chain Analytics team. This professional will play a key role in designing, building, deploying, and maintaining AI-enabled business applications, contributing to the digital transformation of our client’s supply chain in the consumer goods sector.

The AI Solutions Engineer will work closely with the Data Scientist and Data Analyst to translate business requirements into scalable applications, databases, workflows, and user‑facing tools. The ideal candidate is a hands‑on builder who can quickly develop MVPs, harden solutions for production use, and deploy applications in containerized environments.

Responsibilities

Application Development

• Design and develop internal applications that support supply chain, logistics, manufacturing, planning, procurement, and operations.
• Create user interfaces for data management, workflow execution, AI‑assisted recommendations, reporting and analysis, and operational decision support.
• Develop APIs and backend services that support business processes.

AI Solution Implementation

• Implement AI and machine learning capabilities as designed by the Data Scientist.
• Integrate large language models (LLMs), retrieval‑augmented generation (RAG), AI agents, and predictive and optimization models.
• Build workflows that operationalize AI insights into business processes.

Database Development & Data Engineering

• Design and maintain PostgreSQL databases, including creating schemas, stored procedures, views, and ETL/ELT pipelines.
• Optimize SQL performance and database efficiency.
• Support master data management and operational data structures.

Data Integration

• Build and maintain integrations with Google BigQuery, SAP, REST APIs, Microsoft 365, SharePoint, Teams, and third‑party SaaS platforms.
• Create automated data pipelines and synchronization processes.

Containerization & Deployment

• Package applications using Docker containers and deploy them through platforms like Portainer.
• Support environment configuration, secrets management, SSL setup, and container monitoring.

AI‑Assisted Development

• Utilize modern development tools like VS Code, GitHub, Codex, Claude, Copilot, and Gemini for rapid prototyping and refining solutions.

Technical Documentation

• Produce and maintain technical specifications, system architecture documentation, data models, API documentation, and deployment guides.

Deliverables

• Build and deploy operational applications.
• Create production‑ready PostgreSQL data structures.
• Develop integrations with BigQuery and enterprise systems.
• Deliver functional user interfaces for business teams.
• Support the deployment and maintenance of containerized applications.
• Assist in AI application implementation and operationalization.
• Produce technical documentation for all delivered solutions.

Requirements

• Proficiency in Python
• REST API development and PostgreSQL database skills.
• Advanced SQL knowledge and query optimization.
• Experience with Google BigQuery and data integration frameworks.
• Experience integrating LLMs into applications and prompt engineering.
• Familiarity with Containerization & Deployment best practices
• Good English communication skills - High Intermediate level - B2 CEFR

Nice to Have

• Experience in supply chain, manufacturing, planning, logistics, inventory management, procurement, and quality systems.
• Knowledge of SAP integrations and AI application deployment in operational environments.

Our benefits

• Health and dental insurance
• Meal and food allowance
• Childcare assistance
• Extended paternity leave
• Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
• Profit Sharing and Results Participation (PLR);
• Life insurance
• Continuous learning platform (CI&T University);
• Discount club
• Free online platform dedicated to physical, mental, and overall well-being
• Pregnancy and responsible parenting course
• Partnerships with online learning platforms
• Language learning platform
• And many more!

More details about our benefits here: https://ciandt.com/br/pt-br/carreiras

At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here. This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.

We have a dedicated Health and Well‑being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.