Job Summary: We are seeking a backend developer to help build incredible futures through innovation, working collaboratively in teams and tackling challenges with resilience. Key Highlights: 1. Develop and maintain backend applications using Kotlin, Java, and Spring. 2. Design and implement REST and GraphQL APIs for system integration. 3. Collaborate within a team, promoting effective communication and adaptability. We are the most diverse educational group in the country. Every day, we create incredible futures through innovation. We roll up our sleeves to turn ideas into reality. We face challenges with resilience and adapt to constant change. Here, we are a team—not heroes—united by our desire to make a difference and connected in one unique way: the \#CognaWay. Our relationship is direct and respectful, and our students’ and clients’ success is our success. Moreover, we value diversity because we know that the more diverse our repertoire, the more comprehensive and inclusive we become. Together, we empower people to build a better version of themselves! So, are you ready to join the absolute leader in the educational sector? Come join Cogna. **Responsibilities and Duties** * Develop and maintain backend applications using Kotlin and Java with the Spring Framework. * Design and implement REST and GraphQL APIs for system integration. * Ensure code quality through unit and integration testing. * Participate in the design and architecture of microservices and distributed systems. * Use Cloud Computing platforms such as AWS or Azure for service deployment and maintenance. * Integrate systems using Apache Kafka and gRPC (communication protocol). * Proactively and collaboratively analyze and resolve technical issues. * Collaborate within a team, promoting effective communication and adaptability in dynamic environments. **Requirements and Qualifications** * Bachelor’s degree in Computer Science or related fields. * Proven experience in backend development with Kotlin, Java, and the Spring Framework. * Knowledge of relational databases (SQL) and NoSQL databases (MongoDB). * Familiarity with microservices architecture, SOA, and distributed systems. * Experience with Cloud Computing (AWS, Azure) and messaging tools such as Apache Kafka. * Proficiency in unit and integration testing. * Adherence to SOLID principles, Clean Code, and Clean Architecture. * Technology certifications and participation in events or conferences are advantageous. * Behavioral competencies including teamwork, effective communication, proactivity, problem-solving, and adaptability. **Additional Information** **What can you expect from us?** * Profit-sharing program: celebrating results is part of the Cogna Way. * Meal or food allowance: delivered via a flexible benefits card. * Health insurance: a comprehensive health plan, including dependents, with co-payment. * Dental insurance: available to keep your smile healthy. **But wait—there’s more!** * Undergraduate and graduate scholarships: offered through our educational institutions for you and your dependents (spouse and children). * Birthday day off: choose one day to relax and celebrate. * SESC membership: access numerous opportunities to improve your quality of life. * Univers pharmacy partnership: discounts on a wide range of medications. * Corporate university: various learning paths and free courses in our corporate university to support your continued growth with us. * Book discounts: purchase top titles from our publishing houses at special rates. * Wellhub (Gympass): stay active in your daily life. * Ninho Program: a dedicated program for our families expecting a new baby. * Valoriza – Internal Recruitment Program: accelerate your career through internal opportunities. Here, we believe in respect, diversity, and inclusion across all dimensions. All qualified candidates will be considered without regard to race, gender, gender identity or expression, sexual orientation, nationality, genetics, disability, or any other basis. Our purpose is to advance continuously, generating employability for diverse talents. Join us and enrich our team! SOMOS Educação is one of Brazil’s leading basic education groups, offering a broad range of educational solutions. Our services include teaching systems, publishing houses, supplementary teaching solutions, and a digital learning and e-commerce technology platform. Thus, we position ourselves as integral partners to schools. Brands comprising our group include Anglo, PH, Plurall, Líder em Mim, and others. Our mission is to transform the private school ecosystem by combining high-quality education and management grounded in neuroscience and large-scale technology. Furthermore, we aim to lead schools through their digital transformation, positioning ourselves as the primary agent reinventing education for the 21st-century student and school. To fulfill this mission and deliver excellence to our schools, we base our work on core values. We value autonomy and support, well-being, excellence, leadership, and innovation in our daily operations. We are the only educational group recognized as one of the Best Companies to Work For, certified by Great Place to Work – GPTW. We care for you so that together we can transform education! Ready to join us?