Software Engineer - Payments (Java / Spring Boot)

About the role

Worldline is looking for a Software Engineer to join its Acquiring Global Products back‑office team. You will help build and evolve a large, mission‑critical payments platform that processes millions of transactions daily for merchants worldwide.

Key responsibilities

• Design, develop, test and operate robust backend services using Java and Spring Boot.
• Work with Oracle SQL/PL‑SQL databases and containerised environments (Podman) alongside bare‑metal systems.
• Maintain the platform through CI/CD pipelines (GitLab CI) and infrastructure automation (Ansible).
• Participate in on‑call/stand‑by rotations to ensure system reliability.
• Leverage AI coding assistants such as GitHub Copilot and Claude Code to improve productivity.

Required profile

• Genuine passion for software development and a willingness to learn.
• Professional experience building software; junior to mid‑level is acceptable.
• Strong communication skills in German and English.
• Customer‑oriented, independent, flexible and pragmatic team player.
• Availability for 24/7 on‑call duty.

Required skills

• Java
• Spring Boot
• Oracle SQL / PL‑SQL
• Containers (e.g., Podman)
• CI/CD with GitLab CI
• Infrastructure automation with Ansible
• Version control (Git)
• AI coding tools (GitHub Copilot, Claude Code)