---
title: '[Job-31698] Senior Java Developer – AI | Java + React. Brazil at CI&T'
canonical: 'https://feeny.ai/job/job-31698-senior-java-developer-ai-java-react-brazil-ci-t-brazil-qyrcbkgtnm9q'
type: 'job'
last_seen: '2026-09-20'
---

# [Job-31698] Senior Java Developer – AI | Java + React. Brazil at CI&T

- **Company:** CI&T
- **Location:** Brazil
- **Work type:** remote
- **Posted:** 2026-09-18
- **Last confirmed live:** 2026-09-20
- **Apply:** https://jobs.lever.co/ciandt/dc4d877e-cb75-4a42-9dc9-9c3db21bd084

## Job description

Estamos em busca de uma pessoa Senior Java Developer – AI para atuar em uma operação estratégica no setor financeiro, desenvolvendo e evoluindo aplicações utilizando Java e React em um ambiente de desenvolvimento orientado por Inteligência Artificial.

Buscamos alguém com autonomia técnica e sólida experiência em desenvolvimento de software, capaz de atuar com IA Generativa e agentes ao longo do SDLC, revisando criticamente os outputs gerados e garantindo soluções seguras, escaláveis e alinhadas aos padrões arquiteturais da operação.

Responsabilidades

Desenvolver e evoluir aplicações utilizando Java no backend e React no frontend. Construir e integrar microsserviços, APIs REST, BFFs e integrações com sistemas externos. Utilizar e orquestrar agentes de IA ao longo das etapas de especificação, desenvolvimento, testes e deploy. Revisar, validar e evoluir código e outros artefatos produzidos por agentes de IA, garantindo qualidade, segurança e aderência aos padrões técnicos. Participar de refinamentos, contribuindo para definição das soluções, estimativas e identificação de riscos técnicos. Implementar e evoluir testes automatizados, incluindo testes unitários, de integração, regressão e performance. Investigar e resolver problemas complexos relacionados a código, integrações, dados ou ambientes. Implementar automações utilizando IA para aumentar produtividade, qualidade e eficiência do ciclo de desenvolvimento. Colaborar com lideranças técnicas na evolução das práticas de desenvolvimento e do modelo de Agentic SDLC.

Requisitos para este desafio

Experiência sólida com desenvolvimento backend utilizando Java e arquitetura de microsserviços. Experiência com desenvolvimento frontend utilizando React e JavaScript ou TypeScript. Experiência com APIs REST, BFF, integração entre sistemas e arquiteturas distribuídas. Experiência com AWS e desenvolvimento de aplicações em ambientes Cloud. Conhecimento sólido em testes automatizados, incluindo testes unitários e de integração. Experiência com Git, CI/CD e práticas de entrega contínua. Experiência prática com Inteligência Artificial Generativa e agentes de IA aplicados ao desenvolvimento de software. Experiência com ferramentas de AI Coding, como Claude Code, GitHub Copilot, Cursor, CI&T Flow ou similares. Conhecimento em Prompt Engineering aplicado à geração de código, testes, análise e documentação. Capacidade de revisar criticamente outputs gerados por IA, identificando problemas de arquitetura, segurança, performance e qualidade. Autonomia para investigar e solucionar problemas técnicos complexos. Boa comunicação e capacidade de colaborar e influenciar decisões técnicas. Inglês técnico para documentação e interação com ferramentas e agentes de IA.

Diferenciais

Experiência com Agentic SDLC e orquestração de agentes em diferentes etapas do desenvolvimento. Vivência no setor financeiro, especialmente em sistemas transacionais, pagamentos ou adquirência. Experiência com arquiteturas orientadas a eventos e API Gateway. Experiência com modernização de sistemas legados e migração para Cloud. Conhecimento em segurança de aplicações, desenvolvimento seguro e análise de vulnerabilidades.

## About CI&T

## Company Overview
- **One-liner**: CI&T is a global digital services company that helps large enterprises deploy AI to drive measurable business impact through strategy, AI-native execution, and IP-based solutions.
- **Entity Type**: Public (NYSE: CINT)
- **Headquarters**: New York, United States
- **Founded**: 1995
- **Founders**: Not publicly available as individual names

## Core Business
- Primary industry/industries: IT Services and IT Consulting
- Target customers: B2B, primarily large enterprises and fast-growth clients across multiple industries
- Mission or purpose statement: "From AI ambition to measurable business impact." The company helps clients navigate change by pairing business strategy, AI-native execution, and IP-based solutions to turn AI investment into outcomes.

## Products & Services
- **CI&T FLOW**: Proprietary AI system that boosts team productivity and ensures fast, efficient, and scalable results.
- **Lean AI Methodology**: A structured approach for AI deployment that ships as fast as AI learns.
- **AI-Native Execution**: Hands-on development and deployment of AI solutions for enterprise clients.
- **Business Strategy & Consulting**: Identifying the right problems for clients and charting transformation roadmaps.
- **Application Modernization**: Modernizing legacy systems for cloud-native, AI-ready infrastructure.
- **Data & AI Services**: Data engineering, governance, business intelligence, data strategy, and analytics.
- **Martech & Digital Experience**: Commerce services, digital product design, customer experience, and digital experience platforms.
- **Professional Services**: General technology consulting and managed services.

## Market Standing
- **Valuation/Market Cap**: USD 928.4 million (as of October 2024)
- **Key Metric**: Annual Revenue of USD 489.6 million (fiscal year ending Dec 2024)
- **Notable Investors/Partners**: Advent International (led private equity round in 2019); Google Cloud Partner; recognized as a Strong Performer in The Forrester Wave for Modern Application Development Services; recognized in Gartner Magic Quadrant for Custom Software Development Services.
- **Growth Signals**: Headcount grew 15.9% year-over-year to over 8,000 employees across 25+ countries; serves 100+ large enterprises and fast-growth clients; IPO in 2021; recognized as a Glassdoor Best Places to Work.

## Competitive Advantages
- **30-Year Track Record**: Proven history of helping clients navigate technological change since 1995.
- **AI-Native Focus**: Deep specialization in generative AI and AI deployment, not just general IT services.
- **Proprietary IP**: CI&T FLOW and Lean AI methodology create a differentiated, repeatable delivery model.
- **Global Scale with AI Builders**: 8,000+ "AI Builders" across 11 countries, offering both scale and nearshore/offshore cost advantages.
- **Analyst Recognition**: Consistently featured in Gartner Magic Quadrant and Forrester Wave reports.
- **Diverse Client Base**: Serves over 100 enterprise clients across multiple sectors, reducing dependency on any single industry.

## Strategic Focus
- **AI-First Transformation**: The company is fully pivoting to an AI-native model, positioning itself as the partner for enterprises moving from AI ambition to measurable impact.
- **IP Monetization**: Scaling CI&T FLOW as a commercial product/service beyond internal use.
- **Global Expansion**: Growing presence beyond Brazil (its largest talent base) into North America, Europe, and Asia-Pacific.
- **Talent Growth**: Continuing to hire aggressively, especially in AI, data, and engineering roles.

## Why Work Here
- **Culture & Inclusion**: Certified by the Great Place to Work Institute, featured on Glassdoor’s Best Places to Work list. Emphasis on diversity, equity, and inclusion with affinity groups and UN-recognized employment practices for people with disabilities.
- **Remote/Hybrid Policy**: Most roles are remote (home office) within Brazil or other countries of operation. Some positions, especially senior or collaborative roles, are hybrid (e.g., 3x/week in Campinas, Brazil).
- **Career Development**: Structured career process called "Journey" with a platform connecting feedback, results, and opportunities. Continuous support from leaders with personalized development plans.
- **Global Exposure**: Work across 25+ countries and 11 operating nations with a diverse, multicultural team of over 8,000 people.
- **Perks & Benefits**: Tailored benefits for personal and professional wellbeing, though specifics vary by location.
- **Size & Stability**: Publicly traded company with 30 years of history, combining startup-like innovation with corporate stability.
- **Engineering Culture**: Heavy emphasis on technical roles (53% of workforce is technical), with active hiring in AI, data, full-stack, and architecture positions.

## Sources
1. [ciandt.com - About Us](https://ciandt.com/sg/en/about-us)
2. [ciandt.com - Careers](https://ciandt.com/us/en-us/careers)
3. [investors.ciandt.com - IR Overview](https://investors.ciandt.com/)
4. [linkedin.com - CI&T Company Profile](https://www.linkedin.com/company/ciandt)
5. [jobs.lever.co - CI&T Open Positions](https://jobs.lever.co/ciandt)

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