[Job-30394] Senior Fullstack Developer (Java / React), Brazil

Ciandt • JavaScript • SQL • Java • 3 days ago
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≈ $39k – $111k per year (Estimated)
Location
Remote (Brazil)
Seniority
Senior
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Ciandt

Ciandt is a leading provider of digital transformation services. We help organizations transform their businesses by leveraging the latest technologies. Our solutions provide comprehensive digital strategy, design, development, and implementation capabilities.
ciandt.com • HQ: Campinas, Brazil • IT Consulting • Software • Information Technology • 5000+ employees • Est. 1995

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.

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