Job Summary: A professional to develop and maintain solutions using Java 8+, Spring Boot, and relational databases, contributing to the digital transformation of the public sector. Key Highlights: 1. Real Impact: Transforming public administration with innovative technology 2. Innovation Culture: Contributing ideas and solutions that make a difference 3. Cutting-Edge Technology: Working with market-leading tools We are Certsys, a technology company with over 18 years in the market. We partner with public-sector organizations and focus on accelerating the modernization of governmental institutions, ensuring solutions are delivered agilely, efficiently, and aligned with each client’s specific needs. We collaborate with Google, AWS, IBM, and many others to deliver the best possible solutions—enhancing operational efficiency, security, and enabling real, sustainable digital transformation. **Responsibilities and Duties** Development using **Java 8\+**, applying sound object-oriented programming practices and design patterns. Experience with **Spring Boot**, including API development, application configuration, and dependency management. Work with **Spring Data** for data persistence and integration with relational databases. Implementation of authentication and authorization using **Spring Security**. Development and maintenance of **RESTful APIs** and **SOAP Web Services**. Writing and maintaining **unit tests**, ensuring code quality and coverage. Experience with **Docker** for container creation and management. Use of **Git for source code versioning**, branch control, and team collaboration. Experience with **relational databases (SQL)**, including data modeling, query writing, and performance optimization. **Requirements and Qualifications** Development using **Java 8\+**, applying sound object-oriented programming practices and design patterns. Experience with **Spring Boot**, including API development, application configuration, and dependency management. Work with **Spring Data** for data persistence and integration with relational databases. Implementation of authentication and authorization using **Spring Security**. Development and maintenance of **RESTful APIs** and **SOAP Web Services**. Writing and maintaining **unit tests**, ensuring code quality and coverage. Experience with **Docker** for container creation and management. Use of **Git for source code versioning**, branch control, and team collaboration. Experience with **relational databases (SQL)**, including data modeling, query writing, and performance optimization. **Join Certsys and Be Part of the Public Sector’s Digital Transformation!** Are you passionate about technology and innovation—and do you believe true digital transformation begins with cultural change? Then you’re ready to make a difference in the public sector with us! At Certsys, our mission is to accelerate the digital modernization of governmental organizations. To achieve this, we need talents like you—curious, creative, and eager to innovate every day. #### **Why Certsys Is the Right Place for You?** **Real Impact**: Participate in projects that transform public administration with innovative technology. **Innovation Culture**: Innovation is our mindset. Contribute ideas and solutions that make a difference. **Cutting-Edge Technology**: Work with market-leading tools and deliver exceptional results. #### **Benefits That Make a Difference:** **High-Quality Healthcare**: Bradesco Saúde National Health Plan covering medical and dental services. **Guaranteed Meals**: Swile card for your meals. **Mobility**: Transportation allowance for commuting. **Financial Peace of Mind**: Exclusive banking credit package. **Life Insurance**: 100% coverage at no additional cost. **Education Investment**: Exclusive discounts on courses and educational institutions. **Physical Health**: Access to gyms via Wellhub (Gympass) **Join Certsys!** www.certsys.com.br