[Job - 30399] Master Full-Stack Developer (AI, BI &… at CI&T · Brazil

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 looking for a hands-on, technically strong Master Full-Stack Developer who goes beyond what is asked—someone who proactively seeks to understand end-to-end processes, engages in strategic discussions, and is always thinking about how to improve digital products . This role requires a developer comfortable working in a pre-existing codebase, with UX sensibility to support the Tessera platform, and deep expertise in modern AI development and Power BI . Technical Stack (Quick Reference) Frontend: TypeScript, React 18, TanStack Query, Material UI (MUI) Backend: Java 17, Spring Boot 3 Database: MySQL 8 Cloud & Infrastructure: Google Cloud Platform (Cloud Run, App Engine, Cloud SQL), Docker, Firebase Auth Key Responsibilities Power BI Development (Primary Focus): Responsible for the end-to-end development and maintenance of reports and dashboards within Power BI. This will serve as the primary day-to-day focus of the engagement from day one

Platform Support: Handle a set of smaller fixes, system enhancements, and UX improvements on a web platform, requiring attention to detail and user empathy . Work will involve the implementation of self-contained epics (like filter/navigation UX and unit operations visibility) as well as more complex cloud infrastructure integrations for real-time collaboration . AI & Advanced Capabilities (Critical Focus): Act as a hands-on expert for AI solutions, moving beyond basic LLM-based chat interfaces . Lifecycle Execution: Perform rigorous evaluations (evals), fine-tuning, prompt engineering, and model selection for diverse AI applications . Ideation & PoC: Contribute to the ideation and development of Proofs of Concept (PoCs) and early-stage experimentation for upcoming AI use cases . Strategic Partnership: Act as a thought partner to challenge technical assumptions, evaluate the nuances of AI solutions, and help shape the direction of future digital products . Required Technical Background and Qualifications To ensure the delivery of these services, the ideal candidate must possess the following minimum requirements: Development Track Record: A strong full-stack development background with a documented history of successfully completed projects . Architectural Exposure: Demonstrated experience with application architecture design, including a deep understanding of how enterprise components integrate across the stack, rather than just isolated feature work . Tooling & Stack: Mandatory proficiency in Power BI and high comfort working across the full Java/React/GCP technology stack . AI/ML Experience: Previous involvement in AI/ML projects that successfully progressed beyond prototyping into rigorous evaluation and iterative deployment phases

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.