> Markdown version of [/jobs/ext/1568007-java-software-engineer-payment-integration](https://www.wearedevelopers.com/jobs/ext/1568007-java-software-engineer-payment-integration). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Software Engineer - Payment Integration - **Company:** Wallee Group Ag - **Location:** Hamburg, Germany - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Automation of Tests, Software Bug Management, Code Review, Data Structures, DevOps, Distributed Systems, Hibernate (Java), Spring Framework, Performance Tuning, SQL Databases, Apache Camel, Spring-boot, AWS ECS, Containerization, Gitlab-ci, Information Technology, Docker, Jenkins - **Published:** July 15, 2026 - **Apply:** https://www.careerjet.de/jobad/de072d473aa309d5367b5bca99025a6ed0 ## About the Role * Technical Depth: Advanced proficiency in Java and core frameworks such as Spring, Spring Boot, and Hibernate. * Systems Thinking: Proven experience building distributed systems and scalable, high-availability solutions. * Data Mastery: Strong proficiency in SQL and experience managing complex data structures. * Modern DevOps: Hands-on experience with CI/CD pipelines (Jenkins/GitLab CI) and containerization (Docker, AWS ECS). * Agile Mindset: A degree in Computer Science (or equivalent experience) and a track record of thriving in fast-paced, Agile environments. * Bonus Points: Experience with JavaScript, Apache Camel, or BPM engines. ## Description To achieve our mission of providing the market's best payment experience, Wallee is seeking experienced and versatile java software engineers for our Hamburg office. As disruptors in the payment space, we build industry-leading systems that demand the highest standards of security and reliability. We are constantly pushing our solutions into new territories, and we are looking for engineers who thrive in a fast-paced, agile environment to help us redefine the future of finance. Tasks Your Impact * Architect Scalability: Design and develop highly resilient back-end systems using Java, ensuring our infrastructure handles global scale with ease. * Feature Innovation: Own the end-to-end lifecycle of new features, from initial implementation to refined bug fixing and performance tuning. * Collaborative Engineering: Work closely with product managers, UX designers, and QA to translate complex business needs into elegant technical solutions. * Code Excellence: Drive quality through automated testing, rigorous code reviews, and the creation of clear, maintainable technical documentation. * Stay Ahead: Continuously research and evaluate emerging technologies and methodologies to keep Wallee at the cutting edge of the fintech industry. ## Related Videos - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Our GitOps approach for deploying an Identity Provider and an API Gateway in a SaaS company](https://www.wearedevelopers.com/videos/776-our-gitops-approach-for-deploying-an-identity-provider-and-an-api-gateway-in-a-saas-company) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) ## Related Articles - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [Software Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/194-software-developer-salary-in-germany-2023) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)