Junior Backend Engineer

Quantum Machines is a global leader in hybrid control systems for quantum computing, a field on the verge of exponential growth.

Our innovative hardware and software offer a groundbreaking approach to controlling quantum computers, scaling from individual qubits to arrays of thousands.

At the heart of QM is a passionate, ambitious team committed to transforming the construction and operation of quantum computers. Our deep understanding of customer needs drives us to deliver unmatched solutions in this revolutionary field.

As a Junior Backend Developer, you'll join our Kotlin/Java team developing high-performance backend services for our quantum computing control stack. You'll benefit from structured mentorship while contributing to real-world features in a technically challenging environment.

What You'll Do

• Develop and maintain concurrent JVM-based services that power our quantum control systems.
• Implement clean, well-tested backend APIs and components with guidance from senior engineers.
• Participate in code reviews to improve your skills and learn industry best practices.
• Troubleshoot and resolve threading, performance, and reliability issues.
• Help design and implement resilient error-handling and data processing pipelines.
• Write efficient and safe code that interacts with both hardware and software components.
• Grow your understanding of system architecture and design patterns in a production environment.
  
  

• Basic programming skills in any language (Java/Kotlin familiarity is a plus).
• Understanding of fundamental CS concepts.
• Collections and data structures (when to use Lists, Maps, Sets).
• Basic concurrency principles and thread safety.
• Exception handling and resource management.
• Core OOP principles (inheritance, encapsulation, polymorphism).
• Problem-solving ability and eagerness to learn complex systems.
• Bachelor's degree in Computer Science, Engineering, Physics, or related field.
• Strong communication skills and ability to work in a collaborative environment.
• Fluent in English (verbal & written).
  
  

• Experience with Spring Boot or similar frameworks.
• Exposure to gRPC or RESTful API development.
• Knowledge of proper database connection handling.
• Awareness of dependency injection and testable design.
• Basic Python scripting abilities.