Senior Java Engineer - English

Our distinguished client, a trailblazer in quantum innovation, is redefining the boundaries of advanced computing and measurement technology. With a global footprint and a deep commitment to scientific excellence, they develop cutting-edge systems that enable the transition from research breakthroughs to real-world quantum applications. Their expertise bridges physics, engineering, and software-empowering industries, laboratories, and governments to unlock new computational capabilities. Through precision hardware, scalable control platforms, and unrivalled technical insight, they stand at the forefront of shaping the quantum future.

Currently, they are looking for an experienced Senior Java Engineer to join their expanding team in Delft, working in a hybrid setup that combines collaboration with remote flexibility.

In this role, you will design and develop the core backend software layer for the company’s specialised flagship product. This is a unique opportunity to join a team of top-tier engineers and work with cutting-edge technologies in the fast-paced field of quantum computing. 

Job Profile for Senior Java Engineer
Responsibilities will include but not be limited to:

• Design and develop the core backend software layer for the company’s flagship quantum control system
• Build scalable and efficient backend solutions to support advanced quantum computing operations
• Collaborate with cross-functional teams to ensure seamless integration between hardware and software components
• Define, implement, and maintain backend architecture to enable high performance and reliability
• Optimise system performance, data processing, and communication efficiency
• Develop tools and APIs that enhance system functionality and user experience
• Troubleshoot, debug, and resolve backend issues to ensure system stability
• Contribute to product design discussions and provide technical input on backend-related features
• Stay current with emerging technologies and best practices in backend development and apply them to improve code quality and performance
• Participate in code reviews and ensure adherence to development standards

Candidate Profile for Senior Java Engineer

• Must be fluent in English, both written and spoken
• 5+ years of backend development experience using Java/Kotlin
• Solid experience in Spring ecosystem (Core, Boot, Web)
• Proven experience with multithreaded programming
• Deep understanding of design patterns, systems and software architecture
• Proven track record in handling code review, testing, and system integration
• Focus on writing clean, maintainable, and efficient code
• Strong familiarity with Python programming would be an advantage
• Proven experience in gRPC-based network communication is a plus
• Strong engineering capabilities with a can-do attitude
• Excellent communication and teamwork skills
• Ability to perform effectively in a dynamic environment and under conditions of uncertainty
• Ability to work in a cross-geography, multi-site environment

What Our Client Offers

• Join one of the fastest-growing startups in the quantum industry
• Be part of a global, innovation-driven team shaping the future of quantum technology
• Thrive in a fast-paced environment where ideas quickly turn into impact
• Collaborate with top scientists, engineers, and developers from around the world
• Work in a flexible culture that values curiosity, initiative, and results