Senior Fullstack Developer (React / Java / Node), Brazil

CI&T Software S.A.; Brasil; Presencial; BRL 180 000 - 320 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health and dental insurance

Meal and food allowance

Extended paternity leave

Wellhub (Gympass) TotalPass

Profit Sharing and Results Particip. (

Life insurance

CI&T University

Discount club

Online well-being platform

Pregnancy and parenting courses

Online learning partnerships

Resumo da oferta

CI&T Software S.A. in Brazil is seeking a Senior-Master Full-Stack Developer with strong React and Java Spring Boot expertise to design, build, and support enterprise-scale web applications and microservices.

You will collaborate with UX/UI, product, architecture, and QA teams in an Agile environment, ensure security and performance, and contribute to on-call support and production monitoring using Kibana and APM tools.

Qualificações

• Proven full-stack development experience across frontend and backend.
• Strong Java (incl. legacy versions) and Spring Boot expertise.
• Experience with microservices and enterprise integration patterns.
• Solid SQL skills with MySQL or similar RDBMS.
• Knowledge of web security standards (JWT, OAuth2).
• Excellent problem-solving and communication in English/Portuguese.

Responsabilidades

• Design, develop, unit test, and integrate full-stack components.
• Build scalable web apps with React frontend and Java 21 / Spring Boot backend.
• Implement RESTful APIs, microservices, and enterprise integrations.
• Collaborate with UX/UI, product, architecture, and QA in Agile.
• Create and maintain architecture, design, and system docs.
• Ensure code quality, performance, and security (OAuth2, OIDC, JWT).
• Work with MySQL, Hibernate, Spring Data, and Spring Security.
• Provide production support and participate in on-call rotation.

Conhecimentos

Full-stack development

Java & Spring Boot

Microservices

SQL / MySQL

Web security (JWT, OAuth2)

Production support & on-call

EST timezone availability

Ferramentas

Kibana

APM tools

Hibernate

Spring Data

Descrição da oferta de emprego

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’re looking for a talented Senior-Master Full-Stack Developer with strong expertise in React and Java (Spring Boot). You’ll play a crucial role in designing, building, and supporting enterprise-scale web applications and microservices that are performant, secure, and user-centric.

What You’ll Do:

• Design, develop, unit test, and integrate full-stack application components.
• Build scalable web applications using React on the frontend and Java 21 / Spring Boot on the backend.
• Implement RESTful APIs, microservices, and integrations with enterprise systems.
• Collaborate with UX/UI, product, architecture, and QA teams within an Agile environment.
• Create and maintain architecture, design, and system documentation.
• Ensure code quality, performance, and security, including OAuth2, OIDC, and JWT.
• Work with MySQL, Hibernate, Spring Data, and Spring Security.
• Support production systems using Kibana and APM tools, and participate in on-call rotation when needed. Demonstrated experience in monitoring and troubleshooting applications is essential.

What We’re Looking For:

• Solid experience with full-stack development.
• Proficient in backend development with Java (including older versions), and Spring Boot; recent hands-on experience is required.
• Experience with microservices and enterprise integration patterns.
• Solid experience with RDBMS (MySQL or similar) and SQL.
• Good understanding of web security standards including JWT, authentication, and other security concepts.
• Excellent problem-solving, debugging, and communication skills. Candidates should demonstrate a structured approach to problem-solving and clarity in communication.
• Comfortable working in the EST time zone.
• Production support experience, including a strong understanding of application error handling and standard practices.

Nice to Have:

• Familiarity with micro-frontend architecture and component libraries (e.g., Storybook, styled-components).
• Knowledge of event-driven architecture and Kafka; experience is preferred.

Benefits:

• Health and dental insurance
• Meal and food allowance
• 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

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.