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Job TitleGraduation: Java Performance Optimization in Microservices
Job Description
Assignment type: Graduation
Start date: February 2027
Assignment duration: 6 months
Location: Veghel
Education level: Bachelor / Master
Desired study: Computer science, Software engineering or related field
Language: Dutch / English
Description of assignment
Ready to tackle a high-impact software challenge? Our warehouse automation platform relies on dozens of Java and Spring Boot microservices on Kubernetes, where many services consume 600 MB to 900 MB per pod. High memory usage increases infrastructure costs, reduces cluster density, and limits scalability across development, testing, and production.
In this graduation project, you will investigate, measure, and optimize memory consumption across Spring Boot, Hibernate, JVM structures, thread pools, and caches without sacrificing performance or reliability. You will explore smart reduction strategies, answer how to minimize the platform's footprint, and deliver proof-of-concept optimizations with proven cost and resource savings
Department description
This assignment takes place within Warehouse Execution Systems (WES), the software development organization responsible for a key part of the Warehouse Platform. Our multidisciplinary teams develop and maintain different software modules in close collaboration. You will join an experienced and supportive environment where colleagues actively share their knowledge and help junior team members grow.
WES offers a dynamic yet structured workplace where teams solve real-world challenges and continuously create and improve solutions. As an intern or graduating student, you will work closely with a dedicated supervisor while collaborating with experienced software professionals who will support your learning and development throughout the assignment.
Tasks/responsibilities
Analyze memory consumption of Java microservices running on Kubernetes
Profile Spring Boot services to locate high memory usage
Explore optimizations like JVM tuning, cache reduction, and GraalVM
Build proof-of-concept implementations to test improvements
Measure performance and savings before and after optimizations
Present results, practical recommendations, and expected cost benefits
Your profile
Background in Computer Science or Software Engineering
Good knowledge of Java and microservice concepts
Interest in performance tuning, profiling, and optimization
Basic experience with Linux, Spring Boot, or containers
An analytical mindset and strong communication skills
*Mandatory enrolment to a Dutch Education System & resident of The Netherlands
What we offer
A monthly internship allowance (based on a 40-hour work week):
Bachelor: €500 per month
Master: €550 per month
Full commuting allowance, including public transport, depending on whether you have access to free public transport or not
On-site health center with gym
Active employee communities and initiatives
Excellent company restaurant and barista coffee bar
Contact
Do you recognize yourself in this challenging profile? Are you looking for an internship in our organization? Please fill out the application form and upload your resume and cover letter. For more information, contact us by e-mail: internship@vanderlande.com.
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