onsite
Product Software Engineer Back End Java - Interzero CSG GmbH
Software Engineer
Back‑end Java engineer building scalable product services with Spring Boot, microservices, and cloud infrastructure. Focus on API design, database optimization, and CI/CD automation.
About the role
Key Responsibilities
- Design, develop, and maintain high‑performance Java back‑end services using Spring Boot and microservice architecture.
- Implement robust RESTful APIs, ensuring secure, scalable, and well‑documented interfaces.
- Optimize SQL queries and database schemas for performance and reliability.
- Collaborate with front‑end and product teams to translate requirements into technical solutions.
- Participate in code reviews, unit testing, and continuous integration pipelines (Docker, Jenkins, Git).
- Deploy and monitor services on AWS, managing infrastructure as code and ensuring high availability.
Requirements
- 3+ years of professional Java development experience.
- Strong knowledge of Spring Boot, Spring Data, and microservice patterns.
- Proficiency with relational databases (PostgreSQL/MySQL) and query optimization.
- Experience with Docker, CI/CD, and cloud platforms (AWS preferred).
- Excellent problem‑solving skills and a collaborative mindset.