Java Backend Engineer (Junior–Mid) – Hybrid Amsterdam

Explore Group; Amsterdam; Hybrid; EUR 50,000 - 83,000; Part time

Job summary

Explore Group in Amsterdam is seeking a Junior to Mid-Level Backend Developer to design, build, test and maintain Java-based microservices. You will work on robust backend applications in a fast-paced engineering environment.

This role is hybrid (2-3 days on-site) with an immediate start under a contract/freelance setup. It emphasizes Spring Boot, microservices, and scalable backend delivery; knowledge of Kafka, SQL/NoSQL, Docker, AWS, and CI/CD is a strong plus and will accelerate career growth.

Qualifications

• 1 to 3+ years of backend experience with Java, Spring Boot and microservices.
• Experience with SQL or NoSQL databases (Kafka is a strong plus).
• Exposure to AWS, Kubernetes, Docker, and GitLab CI/CD is desirable.

Responsibilities

• Design, build, test, and maintain resilient Java-based backend applications and microservices.
• Write clean, maintainable code following best practices.
• Contribute to testing, deployment processes, and production support.
• Collaborate with stakeholders to deliver reliable solutions.

Skills

Java

Spring Boot

Microservices

SQL/NoSQL

Kafka

AWS

Docker

Kubernetes

GitLab CI/CD

Education

Relevant technical education

Tools

Kafka

Docker

Kubernetes

GitLab CI/CD

AWS

Job description

Explore Group in Amsterdam is seeking a Junior to Mid-Level Backend Developer to design, build, test and maintain Java-based microservices. You will work on robust backend applications in a fast-paced engineering environment.

This role is hybrid (2-3 days on-site) with an immediate start under a contract/freelance setup. It emphasizes Spring Boot, microservices, and scalable backend delivery; knowledge of Kafka, SQL/NoSQL, Docker, AWS, and CI/CD is a strong plus and will accelerate career growth.