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[Job - 29662] Sr. Fullstack Developer (React / Java / Node)

3 weeks ago
Brazil
Full-time
Senior
Full-stack Engineer
Software Development
Agile GraphQL Hibernate Java JavaScript JSON JWT Kafka Kibana Microservices MySQL Node.js OAuth OpenID Connect React REST API Spring Boot SQL Storybook UI Design UX Design
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CI&T

CI&T

CI&T is a global digital technology agency empowering agile growth for leading companies through advanced technologies with a team of 2000 experts worldwide.

Internet Software & Services
5K-10K
Founded 1995
View All Jobs 151

Description

  • 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 in an Agile environment.
  • Create and maintain architecture, design, and system documentation.
  • Ensure code quality, performance, and security across the application stack.
  • Work with MySQL, Hibernate, Spring Data, and Spring Security.
  • Support production systems using Kibana and APM tools.
  • Participate in on-call rotation when needed.

Requirements

  • 7+ years of full-stack development experience.
  • Strong hands-on experience with React, modern JavaScript (ES6+), DOM APIs, and JSON.
  • Strong backend experience with Java, preferably Java 21, and Spring Boot.
  • Experience with microservices and enterprise integration patterns.
  • Solid RDBMS and SQL experience with MySQL or a similar database.
  • Good understanding of web security standards including OAuth2, OIDC, and JWT.
  • Excellent problem-solving, debugging, and communication skills.
  • Comfortable working near EST time zone.
  • Experience with Node.js and GraphQL is a nice to have.
  • Experience with micro-frontend architecture, Storybook, and styled-components is a nice to have.
  • Experience with event-driven architecture and Kafka is a nice to have.
  • Production support experience with Kibana, APM, and hotfixes is a nice to have.

Benefits

  • Health and dental insurance.
  • Meal and food allowance.
  • Childcare assistance.
  • Extended paternity leave.
  • Gym and wellness partnerships through Wellhub (Gympass) and TotalPass.
  • Profit sharing and results participation (PLR).
  • Life insurance.
  • Continuous learning platform access through CI&T University.
  • Discount club.
  • Free online platform for physical, mental, and overall well-being support.
  • Pregnancy and responsible parenting course.
  • Partnerships with online learning platforms.
  • Language learning platform access.

Interested in this position?

Apply directly on the company website

Apply Now

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