### **Senior Backend Developer (Hybrid, CABA; Contractor; 4 months).** **We are seeking a candidate proficient in SOAP, REST, Hibernate, Spring, and Oracle.** **Requirements:** * Developers with at least 6 years of IT experience, including 4 years specifically in backend development. * JAVA 8 or higher (mandatory) * SPRING 4 or higher (mandatory) + Configuration via XML or Annotations + Property injection into beans + Dependency injection + Bean lifecycle management + Spring Security (basic level) + Integration with Hibernate SessionFactory (basic level) * HIBERNATE 4 or higher (mandatory) + XML-based mapping for many-to-many, many-to-one, one-to-one relationships, with eager/lazy fetching + Configuration of a datasource and Hibernate properties + Criteria API / NamedQuery / HQL / Stored Procedure execution * MAVEN (mandatory) * CXF 3 * Database (desirable) + Basic understanding of CRUD operations. - SELECT with joins - Stored Procedures - Oracle PL/SQL (a plus) * Application Server – WebLogic (desirable) **Skills:** * Proactive developer * Ability to work collaboratively in a team * Ability to analyze code and act based on that analysis **Job Description:** * Authentication and authorization will be handled via consumption of one or more REST/SOAP services. * Applications will be deployed on a web server (Apache HTTP Server). * The communication channel between the client (browser) and the HTTP server will use HTTPS/SSL with a Verisign Class 3 certificate. * The communication channel between the client (browser) and the API will use HTTPS/SSL with a Verisign Class 3 certificate. * Full responsibility for the entire software development lifecycle, including requirements analysis, development, QA testing support, and production deployment support. * For several projects, IBM’s API Manager and ESB Suite tools will be used. **Position Details:** * **Project**: Joining a leading Argentine fintech company for a specific project developing a risk management application. * **Hiring model**: Hourly contractor engagement (you will invoice us for your work). * **Duration**: The project is scheduled for 4 months, with potential extension up to 5 months. * **Equipment**: You will work using your own equipment (laptop/notebook/PC). * **Work location**: Hybrid model combining remote work and on-site presence at the client’s offices in the Microcentro district. * **Team composition**: We are assembling a team consisting of: + 1 Senior Backend Developer + 1 Semi-Senior Backend Developer + 1 Senior iOS Developer + 1 Semi-Senior iOS Developer + 1 Senior Android Developer + 1 Semi-Senior Android Developer + 1 Semi-Senior Tester If you meet the requirements, **apply now!** If you know colleagues whom you’d like to recommend for this team, please inform them and let us know so we can include them in our search. Also, visit talentconnect.ai to complete your initial interview. Follow us on LinkedIn to stay updated on new opportunities: TalentConnect AI Thank you!