We are specialists in **technological transformation**, combining human expertise with AI to build scalable tech solutions. With over 8,000 CI&Ters worldwide, we have partnered with more than 1,000 clients throughout our 30-year history. Artificial Intelligence is our reality. **Important**: If you reside in the Metropolitan Region of Campinas, your physical presence at our city offices is mandatory, per our current attendance policy. **Responsibilities:*** Contribute to the development and maintenance of applications with frontend in React + Next.js and backend in Node.js + NestJS; * Participate in the development of modern, distributed applications using AWS services, with a focus on scalability and performance; * Collaborate with teams to define and deliver features within an agile environment; * Participate in code reviews, contributing to delivery quality; * Assist in identifying and resolving issues; * Document processes and technical solutions; * Stay up-to-date with emerging development technologies; * Participate in projects with event-driven architecture, using messaging tools such as Kafka (desirable). **Requirements:*** Experience developing applications using Node.js and React; * Familiarity with AWS services (e.g., Lambda, S3, etc.); * Knowledge of relational and non-relational databases; * Basic understanding of DevOps practices and CI/CD tools; * Experience with microservices is a plus; * Knowledge of agile methodologies (Scrum, Kanban); * Practical experience with automated testing using modern tools. **Preferred Qualifications:*** Prior experience working in a large-scale development environment; * Practical knowledge of observability and resilience techniques and tools. #LI-RR2 #Midsenior **Our Benefits:*** Health and dental insurance; * Meal and food allowances; * Childcare assistance; * Extended parental leave; * Partnerships with gyms and health & wellness professionals via Wellhub (Gympass, TotalPass); * Profit and Results Sharing Program (PRP); * Life insurance; * Continuous learning platform (CI&T University); * Discount club; * Free online platform dedicated to promoting physical, mental, and overall well-being; * Pregnancy and responsible parenting courses; * Partnerships with online course platforms; * Language learning platform; * And many more. More details about our benefits here: https://ciandt.com/br/en-us/careers At CI&T, inclusion begins at first contact. If you are a person with a disability, it is important to **submit your medical report during the selection process.** *See which information must be included in the report by clicking here.* This allows us to ensure the support and accommodations you deserve. **If you do not yet have the official characterization report, don’t worry—we can support you in obtaining it.** We have a dedicated Health and Wellness team, inclusion specialists, and affinity groups who will accompany you at every stage. Count on us to walk this journey alongside you.