Senior Fullstack Developer, Java / React

🕒 August 28

🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 34%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CI&T

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1995

💼 Consulting

🏥 Healthcare

📣 Marketing

💰 $5.5M Venture Round on 2014-04

Consulting • Healthcare • Marketing

CI&T is a global tech transformation specialist focusing on helping organizations navigate their technology journey. With services spanning from application modernization and cloud solutions to AI-driven data analytics and customer experience, CI&T empowers businesses to accelerate their growth and maximize operational efficiency. The company emphasizes digital product design, strategy consulting, and immersive experiences, ensuring a robust support system for enterprises in various industries.

📋 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 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 • Participate in on-call rotation when needed • Monitor and troubleshoot applications

🎯 Requirements

• 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 older versions, and Spring Boot; recent hands-on experience 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 • Structured approach to problem-solving and clarity in communication • Comfortable working in the EST time zone • Production support experience, including application error handling and standard practices • Familiarity with micro-frontend architecture and component libraries such as Storybook and styled-components • Knowledge of event-driven architecture and Kafka is preferred

🏖️ 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 • Health and Well-being team, inclusion specialists, and affinity groups • Support and accommodations for people with disabilities during the selection process