Senior Java Engineer: APIs, Spring Boot, Kafka

Dabster; Amsterdam; On-site; EUR 70,000 - 100,000; Full time

Job summary

Dabster in Amsterdam seeks a skilled Java developer to design, develop and maintain advanced Java-based applications. You will build APIs with Core Java, Spring Boot, SQL, Cassandra and Elastic, and work with Kafka and messaging queues.

You will participate in code reviews and help fix defects during integration and functional testing. You will collaborate with clients to understand business requirements, fix performance issues, and provide production support while sharing knowledge with

Qualifications

• Strong development experience with Java 17+ and modern APIs.
• Hands-on API development using Spring Boot, SQL and NoSQL databases.
• Experience with Kafka and messaging queues in production systems.
• Ability to collaborate with clients and translate requirements into technical solutions.
• Knowledge of performance tuning, debugging and production support.

Responsibilities

• Design, develop and maintain advanced Java-based applications.
• Develop APIs using Core Java, Spring Boot, SQL, Cassandra and Elastic.
• Participate in defect management and fix issues from testing cycles.
• Address performance bottlenecks in API execution and provide production support.
• Contribute to code reviews and knowledge transfer sessions on Java technologies.

Skills

Java 17+

API development

Kafka

Tools

Spring Boot

SQL

Cassandra

Elasticsearch

Job description

Dabster in Amsterdam seeks a skilled Java developer to design, develop and maintain advanced Java-based applications. You will build APIs with Core Java, Spring Boot, SQL, Cassandra and Elastic, and work with Kafka and messaging queues.

You will participate in code reviews and help fix defects during integration and functional testing. You will collaborate with clients to understand business requirements, fix performance issues, and provide production support while sharing knowledge with