Infrastructure Specialist (Calypso) - Freelancer

Project overview

Framework Conditions

For a long-term transformation and development program in the capital markets environment of a leading German bank, we are looking for experienced infrastructure specialists with sound Calypso experience.

The focus is on the operation, further development, and modernization of the technical platform surrounding Calypso. Topics such as cloud migration, modern data center, release management, performance optimization, and ensuring stable application operation are of particular importance.

• Project Start: 2027
• Duration: Long-term assignment with option to extend
• Utilization: Full-time
• Location: Stuttgart and Remote
• On-site Component: Approx. 1-2 days per week in Stuttgart
• Nearshore: Possible (EU/EEA, time zone CET ±2 hours)
• Language: German (minimum C1) and English (minimum B2)
• Industry: Banking / Capital Markets
• IMPORTANT: Demonstrable Calypso experience is a mandatory requirement. Applications without Calypso project experience unfortunately cannot be considered.

Responsibilities

Must-have Skills

Nice-to-have Skills

What you bring

Application

Please send your current profile including:

• Support and further development of the Calypso infrastructure
• Cross-stage infrastructure and environment management
• Planning and execution of deployments
• Creation and implementation of release and rollback concepts
• Monitoring and supervision of business-critical platforms
• Analysis and optimization of performance and stability
• Support for cloud and modern data center initiatives
• Automation of recurring operational processes
• Creation and maintenance of technical operational documentation
• Capacity and availability management
• Support for technical disruptions and error analysis
• Collaboration with development, business departments, and operations teams
• Several years of Calypso experience
• Experience in the application operation of business-critical systems
• Very good knowledge of infrastructure and environment management
• Experience with databases and middleware systems
• Deployment and release management
• Creation of rollback strategies
• Automation of operational processes
• High availability concepts
• Monitoring and incident management
• Very good German and English skills
• Azure
• Cloud infrastructures
• Modern Data Center
• CI/CD
• Security Operations
• Performance Engineering
• Capacity Planning
• Linux
• Windows Server
• Scripting (PowerShell, Bash)
• Kubernetes
• Docker
• Financial market and banking know-how
• Experience with trading and treasury systems
• Migration of business-critical applications to cloud environments
• Demonstrable project experience in the Calypso environment
• Independent and structured way of working
• Experience in regulated environments (banks, financial service providers)
• High analytical skills
• Teamwork skills in international project structures
• Ability to independently implement technical concepts
• Willingness for regular on-site appointments in Stuttgart
• Availability
• Location
• Calypso project references
• Infrastructure focus
• Language skills

Project details

• Start: 2027-01
• Duration: 12 Monate
• Remote: hybrid
• Location: Stuttgart, Deutschland, DE
• Languages: German