### **About the opportunity** We are looking for professionals with solid experience in Java development to work on the evolution, maintenance, and modernization of mission-critical corporate systems in a high-availability environment with high transaction volume. The professional will participate in projects involving the maintenance of legacy systems, development of new features, integration between applications, and architecture modernization using development best practices, software quality, and DevOps. **Responsibilities and attributes** ### **Responsibilities** * Develop, maintain, and evolve Java Web and Desktop applications. * Work on the maintenance and modernization of legacy systems. * Develop and consume REST APIs and SOAP services. * Participate in Sprints using agile methodologies. * Implement automated tests and ensure the quality of deliveries. * Work in Continuous Integration and Continuous Delivery (CI/CD) processes. * Work with relational databases and perform SQL query optimization. * Participate in technical analysis, requirements gathering, and solution definition. * Support initiatives to migrate monoliths to modern architectures. **Requirements and qualifications** ### **Mandatory requirements** * Minimum of 3 years of experience in Java development. * Completed higher education in Information Technology or a degree in any field accompanied by a postgraduate degree in IT. ### **Mandatory knowledge** #### **Java Development** * Java SE and Java EE * Spring Framework * Quarkus * JPA * JSF * JMS * REST * SQL #### **Front\-end (for Full Stack profile)** * Angular (AngularJS and Angular 5\+) * JavaScript / ECMAScript * HTML5 * CSS3 * Bootstrap * jQuery #### **DevOps** * Git * Jenkins * Maven * SonarQube * Azure DevOps #### **Containers** * Docker * Kubernetes #### **Testing** * JUnit * Selenium * JMeter #### **Databases** * Relational databases * Cache (desirable) ### **Will be considered a differential** * Experience with WebSphere, JBoss, or Liberty. * Knowledge in Microservices. * Experience with SOA architecture. * Experience with CI/CD. * Knowledge in CICS, MQ Series, and ISO 8583\. * Experience with financial systems. * Knowledge in MUMPS, Delphi, or PowerBuilder. ### **Competencies** * Analytical capability. * Good communication. * Teamwork. * Organization. * Proactivity. * Ease in problem-solving. * Technical autonomy. * Commitment to software quality. **Join Certsys and Be Part of the Digital Transformation of the Public Sector!** Are you passionate about technology, innovation, and do you believe that true digital transformation begins with a cultural change? Then, you are ready to make a difference in the public sector with us! At Certsys, our mission is to accelerate the digital modernization of government organizations. And to do this, we need talents like you: curious, creative, and willing to innovate every day. #### **Why is Certsys the right place for you?** **Real Impact**: Participate in projects that transform public administration with innovative technology. **Culture of Innovation**: Innovation is our mindset. Contribute with ideas and solutions that make a difference. **Cutting-edge Technology**: Work with market-leading tools and deliver exceptional results. #### **Benefits that make a difference:** **Quality Health:** Bradesco Saúde National Plan with medical and dental care. **Guaranteed Food:** The Swile card takes care of your meals. **Mobility:** Transportation voucher for your commutes. **Financial Peace of Mind:** Exclusive bank credit package. **Life Insurance:** 100% coverage with no additional cost. **Investment in Education:** Exclusive discounts on courses and educational institutions. **Physical Health:** Access to gyms with Wellhub (Gympass) **Come be Certsys!** www.certsys.com.br
João Silva
Indeed · HR
João Silva
Indeed · HR
