Senior Java Backend Software Engineering | Core Banking

Description

Job Summary: Itaú Unibanco is seeking a Java Backend Developer to work on the development and maintenance of applications, REST APIs, and distributed architectures, with a focus on modernizing legacy systems and leveraging AI. Key Highlights: 1. Backend development in Java/Spring Boot and evolution of REST APIs 2. Work with distributed architectures, event-driven systems, and AWS services 3. Use of AI in development, testing, and documentation **About Itaú Unibanco** Itaú is Brazil's most valuable brand, ranked as the best company to work for by Great Place to Work, and the largest bank in Latin America. We impact over 98 million customers daily across 18 countries. We are built by people, and we believe that teams composed of diverse origins, cultures, beliefs, experiences, ethnicities, disabilities, genders, sexual orientations, and generations broaden perspectives and foster an environment of respect and appreciation for differences. Work Model – Hybrid (No Fixed Rotation: 8 In-Person Days per Month – São Paulo/SP). **Your Day-to-Day Responsibilities:** * Develop and maintain backend applications in Java / Spring Boot. * Implement and evolve REST APIs, following industry standards. * Participate in the design and implementation of distributed and event-driven architectures. * Work with messaging systems (Kafka, SQS, SNS, EventBridge). * Develop solutions on AWS using managed services. * Leverage AI to support development, testing, and documentation. * Contribute to the modernization of legacy systems. **What You Need to Excel At:** Experience in Java backend development using Spring Boot, Spring Cloud, and Spring Data; Consistent application of Design Patterns, Object-Oriented Programming, and SOLID principles; Hands-on experience with event-driven architecture and distributed systems; Knowledge of source code versioning with Git and practices such as Gitflow; Experience with CI/CD, preferably using GitHub Actions, AWS CodePipeline, or similar tools; Experience or strong familiarity with generative AI in the software development lifecycle; Experience in creating and maintaining Software Design Documents (SDDs); Experience with public cloud platforms, preferably AWS; Messaging and event systems: Kafka / MSK, SQS, SNS, and EventBridge; Containerized architecture: EKS (Kubernetes) or ECS; Development and maintenance of REST APIs, potentially including gRPC and SOAP, using standards like OpenAPI/Swagger; Knowledge of API security, including OAuth 2\.0, OpenID Connect, and token-based access control; Experience with databases: NoSQL — DynamoDB, Redis, Elasticsearch; SQL — PostgreSQL, MySQL, SQL Server, or Oracle. **As an Ituber, You’ll Enjoy:** * Transportation Allowance * Meal Voucher (Restaurants) / Food Voucher (Supermarkets) * Health Insurance (Fundação Saúde Itaú **or** Central Nacional Unimed) * Dental Insurance (Odontoprev **or** Interodonto) * Life Insurance * Profit Sharing Plan (PLR) – Subject to Bank Performance * Private Pension Plan * Exclusive Discounts on Our Financial Products * Extended Maternity and Paternity Leave * Childcare / Babysitting Support (for parents) * Study Incentives * Wellhub or TotalPass * Access to Itaú Leisure Clubs (Guarapiranga / Itanhaém and São Sebastião) \+ Additional benefits you may learn about during the process * Learn more about our culture: https://www.itau.com.br/relacoes\-com\-investidores/noticias/cultura\-itubers\-e\-nosso\-novo\-conjunto\-de\-valores/ (opens in new window) (opens in new window)* We encourage applications from people with disabilities for all positions. Therefore, feel free to apply to roles marked as exclusive or non-exclusive for people with disabilities. We are committed to inclusion and value diversity. **\#JoinItaú \#BeAnItuber**