We are specialists in **technological transformation**, combining human expertise with AI to create scalable tech solutions. With more than 8,000 CI&Ters worldwide, we have already formed partnerships with over 1,000 clients throughout our 30-year history. Artificial Intelligence is our reality. **Important**: If you reside in the Campinas Metropolitan Region, your presence at our city offices is mandatory, per our current attendance policy. Requirements for this challenge: * Work on the main B2B system of a globally recognized client with products reaching worldwide markets; * Develop and enhance the client’s product features; * Monitor integrations by reviewing logs and API responses; * Support functional (E2E) testing, investigate and resolve issues; * Help the team and client improve process maturity; * Assist in problem resolution and root cause analysis; * Collaborate with cross-functional teams—including developers, project managers, and business stakeholders—to understand and ensure proper product functionality. You must have hands-on experience with: * Java 17, Spring Boot, APIs, microservices, Docker, and DevOps; * NoSQL database experience; * Experience with messaging tools; * Experience with observability tools; * Intermediate English; * K8s / Helm **Our benefits:** * Health and dental insurance; * Meal and food vouchers; * Childcare allowance; * Extended parental leave; * Partnerships with gyms and health & wellness professionals via Wellhub (Gympass, TotalPass); * Profit and Results Sharing Program (PLR); * 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 course; * 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 essential to **submit your medical report during the selection process.** *Check which information must be included in the report* *by clicking here.* This way, we can 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 ready to support you at every stage. Count on us to walk this journey alongside you.