In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Senior Backend Developer to join a remote development team. The role focuses on designing and building core backend services for ORA, enabling secure cloud integration with SEF using KMIP and Barbican. 

Project information: 

• Type of project: IT services 
• Office location: Warszawa 
• Work mode: Remote 
• Budget: 160-180 PLN net /h - b2b 
• Project length: Long-term  
• Only candidates with citizenship in the European Union and residence in Poland 
• Start date: ASAP (depending on candidate"s availability) 

Project scope: 

• Design and implement backend services for ORA core, integrating with KMS via KMIP for services such as Barbican and Ceph 
• Develop and maintain Kubernetes-based infrastructure, including Custom Resource Definitions (CRDs), operators, and controllers 
• Build secure communication layers leveraging TLS and advanced data encryption techniques 
• Collaborate with architecture and infrastructure teams to ensure seamless integration across management layers 
• Implement unit and integration tests to ensure code quality and reliability 
• Contribute to system design decisions and provide technical leadership for backend architecture 

Requirements: 

• Strong backend development experience in Java, Golang, or Python  
• Solid understanding of cryptography, e.g., TLS, data encryption 
• Hands-on experience with Kubernetes, including infrastructure and management layers 
• Experience with OpenStack 
• Experience in unit and integration testing for backend services 
• Ability to work on complex distributed systems and core services 
• Strong logical thinking, independence, and problem-solving skills 
• Fluent in English (minimum C1) 
•  

We offer: 

• Remote working model 
• Full-time job agreement based on b2b 
• Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible 
• Multisport card (also for an accompanying person) 
• Life insurance