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Sr. Fullstack Developer (React / Java / Node) — CI&T, Remote (Hiring Now)

Sr. Fullstack Developer (React / Java / Node)

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Job 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.

What you’ll do

  • Design, develop, unit test, and integrate fullstack application components.

  • Build scalable web apps 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 in an Agile environment.

  • Create and maintain architecture, design, and system documentation .

  • Ensure code quality, performance, and security (OAuth2 , OIDC , 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

  • 7+ years of full‑stack development experience.

  • Strong hands‑on experience with React , modern JavaScript (ES6+), DOM APIs, and JSON.

  • 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

  • Experience with Node.js and GraphQL .

  • Micro‑frontend architecture and component libraries (Storybook , styled‑components).

  • Familiarity with micro‑frontend architecture and component libraries (e.g., Storybook, styled‑components).

  • Knowledge of event‑driven architecture and Kafka; experience is preferred.

Why join us

  • Work on high‑impact, customer‑facing products for leading global brands.

  • Collaborate with talented teams across strategy, design, data, and engineering.

  • Be part of a digital‑first culture focused on innovation, quality, and continuous improvement.

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 can be found on our website.

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.

If you are a person with a disability, it is important to present your assessment during the selection process.

We can support you in obtaining the assessment if you do not yet have it.

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Required Skill Profession

Desenvolvimento De Software



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