Java Backend Engineer - Spring Boot, Kafka, Kubernetes

Salt Digital Recruitment; Amsterdam; On-site; EUR 60,000 - 90,000; Full time

Job summary

Salt Digital Recruitment is seeking a Software Engineer to build, maintain, and improve scalable software applications and services in Amsterdam. You will own end-to-end systems, provide production support, and contribute to architectural decisions.

The ideal candidate has 3-5 years of relevant experience, a Bachelor’s degree or equivalent, and strong Java and Spring Boot skills, plus Kafka, MySQL, and Kubernetes experience. Kotlin is a plus.

Qualifications

• 3-5 years of relevant software development experience.
• Bachelor's degree or equivalent in a related field.
• Strong proficiency in Java and Spring Boot.
• Experience with MySQL, Kafka, and Kubernetes (K8S).
• Experience with end-to-end system ownership and production support.
• Good understanding of software architecture and system design.
• Experience with incident management and root-cause analysis.
• Strong communication and collaboration with stakeholders.

Responsibilities

• Develop clean, reusable, and maintainable software using established engineering practices.
• Design and implement scalable solutions aligned with business and technical requirements.
• Own applications and services end-to-end, including deployment, monitoring, performance, and operational support.
• Troubleshoot and resolve production incidents, perform root-cause analysis, and implement long-term improvements.
• Contribute to architectural decisions and evaluate technology and design options.
• Apply testing, security, data integrity, and quality standards throughout the development lifecycle.
• Continuously improve processes, system performance, reliability, and engineering practices.
• Participate in code reviews and support knowledge sharing within the team.
• Communicate effectively with product owners, stakeholders, and team members.
• Participate in an on-call rotation when required.

Skills

Leadership

Analytical thinking

Communication

Software development

Education

Bachelor's degree or equivalent

Tools

Java

Spring Boot

MySQL

Kafka

Kubernetes

Kotlin

Metadata Management

Job description

Salt Digital Recruitment is seeking a Software Engineer to build, maintain, and improve scalable software applications and services in Amsterdam. You will own end-to-end systems, provide production support, and contribute to architectural decisions.

The ideal candidate has 3-5 years of relevant experience, a Bachelor’s degree or equivalent, and strong Java and Spring Boot skills, plus Kafka, MySQL, and Kubernetes experience. Kotlin is a plus.