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’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.
* Strong hands\-on experience with React, modern JavaScript (ES6\+), DOM APIs, and JSON.
* Proficient in backend development with Java,(including old 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.
\#LI\-TO1
**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.