Senior Backend Engineer (Java/Spring Boot)

Description

Job Summary: We are seeking two Senior Backend profiles for a greenfield project in the banking and financial sector, developing APIs and microservices. Key Highlights: 1. Integration into a multidisciplinary team 2. Participation in a greenfield project 3. Opportunities for professional development and learning DESCRIPTION At **Kenos Technology**, we urgently seek to onboard two **Senior Backend** profiles for a major client in the **banking\-financial** sector. This is a **Time \& Materials** engagement, so we need to move quickly to initiate as soon as possible. Candidates will join a **multidisciplinary** team and participate in building a **greenfield project**, developing **APIs** and **microservices** from conception through to production. REQUIREMENTS #### **Mandatory Requirements:** * Fluent English (written and spoken, minimum C1\). * Minimum 5 years of experience in similar roles. * Java 17 / 21 (expert level). * Spring Boot 3\.5\.x or 4\.0\.x (expert level). * Git – expert level. * Developer-level knowledge of CI/CD (Jenkins, GitHub Actions). * Developer-level knowledge of OpenAPI. * Developer-level knowledge of AI Prompting. #### **Desirable:** * AWS. * AI Agent coding. **What do we offer?** * **Work arrangement:** **Hybrid on-site work in Madrid and Andalusia.** * **Permanent, long-term contract:** To ensure job stability. * **Flexible compensation:** Option to choose among various benefits, such as meal vouchers, health insurance, transportation card, or childcare vouchers. * **Continuous training:** Opportunities for professional development and learning.