Senior Fullstack Developer – React, Java, Node

🕒 3 days ago

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CI&T

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1995

🤖 Artificial Intelligence

☁️ SaaS

💰 $5.5M Venture Round on 2014-04

Artificial Intelligence • Cloud Services • SaaS

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 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.

🎯 Requirements

• 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 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.

🏖️ 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