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# Staff Software Engineer

- **Company:** Ebay Bekijk Alle Vacatures
- **Location:** Krimpen aan den IJssel, Netherlands
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Big Data, Distributed Systems, Apache Hadoop, NoSQL, Query Optimization, Queueing Systems, RabbitMQ, Large Language Models, Apache Spark, Spring-boot, Backend, Event Driven Architecture, Apache Flink, Apache Kafka, Free and Open-Source Software, Graphql, Restful APIs
- **Published:** September 11, 2026
- **Apply:** https://www.careerjet.nl/job/nl3e5bea29eb27a3170be8cc5a109b6bc8/eaa

## About the Role

BS/BA in Computer Science or a related field plus 10+ years of experience, or an MS plus 8+ years of relevant experience.
Strong experience in Java (17+) and building services with Spring Boot or similar frameworks, along with a track record of building scalable backend systems and RESTful APIs.
Experience with distributed systems, event-driven architectures, and message queues such as Kafka, RabbitMQ, or similar technologies.
Experience working with relational and/or NoSQL databases, including schema design and query optimization; familiarity with big data technologies such as Hadoop, Spark, or Flink is valuable.
Proven ability to lead end-to-end system design, write technical design documents, guide design reviews, and evaluate tradeoffs across scalability, availability, latency, and cost.
Experience with AI-assisted development practices and tools; exposure to GraphQL, federated APIs, LLM-powered features, agentic workflows, or open-source contributions is a plus.



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