Senior Java Developer

At G+D ePayments, we are seeking a Lead Developer for Trusted Service Manager (TSM) services, responsible for designing, developing, and maintaining secure, scalable, and cloud-native solutions for the Digital Euro initiative. Key Responsibilities

• Lead development and implementation of TSM services for the Digital Euro project.
• Design and build robust Java (JavaEE) applications using Spring Boot, Spring Cloud, and Spring Data.
• Build, deploy, and manage applications using Docker and Kubernetes in cloud-native environments.
• Ensure security through cryptography, Public Key Infrastructure (PKI), and X.509 certificate management.
• Apply agile methodologies (Scrum), Test-Driven Development (TDD), and security best practices (SAST, DAST).
• Support and collaborate with all team members to achieve project goals.

• University degree in computer science or similar.
• Extensive experience as a Java (JavaEE) developer.
• Strong expertise in Spring Boot, Spring Cloud, and Spring Data.
• Proficient in relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Cassandra) databases.
• Hands-on experience with ORM tools, especially Hibernate.
• Solid knowledge of Docker and Kubernetes for cloud-native deployments.
• Proven ability to design and implement API-first architectures (REST, OpenAPI, gRPC).
• Deep understanding of cryptography, PKI, and X.509 certificates.
• Experience working in agile teams (Scrum), with TDD and security testing (SAST, DAST).
• Familiarity with large-scale, high-availability enterprise systems.
• Used to Jira, Confluence, MS Office, Git, Sonar, Jenkins, Nexus, Maven, Gradle.
• Experience in financial services, payment systems, or digital currency projects is a significant plus.
• Team player, supporting everyone in the team.
• Strong problem-solving and communication skills.
• Fluent English (spoken and written).

• Culture and diversity: Join a people oriented environment with different nationalities and a great team spirit, flat hierarchies (everyone speaks to everyone). Equal Opportunity Employer and LGBT+ friendly.
• Global Collaboration: Work collaboratively with stakeholders around the globe.
• Career Development: Benefit from continuous training, coaching, and talent development programs.
• Social Benefits: Flexible compensation (transport tickets, training, private insurance), etc.
• Canteen: Take a break with our breakfast and lunch service: choose between a wide range of menus, salad desk, and sandwiches service. Nicely priced!
• Work-Life Balance: Flexible working hours with the option for remote work (M-Th 8.30 - 17.30 and Fri 8.30 - 15.30; 3 days of remote work).
• Location: Easily accessible by public transport (Bus 88 and 110, Metro L10 Riu Vell from Barcelona, PR4 from El Prat) or private transport.

Giesecke+Devrient makes the lives of billions of people around the world more secure. We create trust in the digital age with integrated security technologies in three business areas: Digital Security, Financial Platforms and Currency Technology. We have been a reliable partner for our customers for over 170 years with our innovative solutions for SecurityTech! We are an international technology group and traditional family business with over 14,000 employees in 40 countries. Creating Confidence is our path to success. Trust is the basis of our co-operation within G+D.