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Ciandt

[Job - 30399] Senior Full-Stack (Java/React) Software Engineer (AI & BI Focus)

Brazil

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Role family
Engineering
Seniority
Senior
Country
BR
Work mode
On-site / unstated
First seen by hirly
10 Sept 2026

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the posting

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 Senior 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

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[Job - 30399] Senior Full-Stack (Java/React) Software Engineer (AI & BI Focus) at Ciandt — hirly