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Transforming banking for 6 million German customers on AWS with DKB | Case Study | AWS Skip to main content Filter: All English Contact us AWS Mark…

…n time to resolve incidents 25% customer impact during the migration 0 Overview As one of Germany’s largest banks, Deutsche Kreditbank AG (DKB) wants to provide its customers with the best possible service. The bank set out to modernize its digital banking platform with a scalable, res…

…disruption to customers, with near-zero downtime and full fallback capability. In total, DKB migrated 84 databases and 130 APIs containing more than 30 TB of data and over 200 million objects. The bank is now experiencing an up to 100 percent improvement in API response t…

…days to minutes—making it possible to deliver new features to customers faster. DKB can also adopt new technologies faster and is using generative AI to improve the customer experience—for example, with a digital assistant in its banking platform. “Using AWS for building and testing the agent helped us to integrate generative…

…s and 130 APIs containing more than 30 TB of data and over 200 million objects. The bank is now experiencing an up to 100 percent improvement in API response times and a 50 percent reduction in platform and operational costs—and has had no infrastructure-related downtime since the migration. The migration has resulted in a culture shift, with 25 teams now empowered to m…

…in their monitoring, they can decide how to act on it themselves.” As a result, the resolution time for incidents has decreased by an estimated 25 percent. DKB also uses AWS Enterprise Support for strategic guidance and deep AWS knowl…

…y decreasing operational and infrastructure costs. About Deutsche Kreditbank AG Deutsche Kreditbank AG (DKB), headquartered in Berlin, is part of the BayernLB Group and serves business and private customers. With total assets of 135.8 billion euros as of December 31, 2025, it ranks amon…

…n time to resolve incidents 25% customer impact during the migration 0 Overview As one of Germany’s largest banks, Deutsche Kreditbank AG (DKB) wants to provide its customers with the best possible service. The bank set out to modernize its digital banking platform with a scalable, res…

…its digital banking services need to be reliable and highly available. However, the bank was experiencing outages that impacted customer experience, and long release cycles created friction among teams. At the same time, the bank was facing high infrastructure and operational cost…

…cted customer experience, and long release cycles created friction among teams. At the same time, the bank was facing high infrastructure and operational costs. On a mission to become a tech bank, DKB’s strategy is to build—not buy—and own…

…elopers and exploring options, DKB selected AWS as its cloud provider. “For us, it was essential to have a cloud provider that was willing to help us evolve in a highly regulated environment,” says Otte. “AWS consistently engaged with our regulatory requirements and sup…

…n strategy. Solution | Prioritizing business continuity using services from AWS DKB worked alongside AWS Professional Services to plan the banking platform migration, using proven frameworks such as the AWS Migration Acceleration Program (AWS MAP) to accelerate its cloud modernization journey. The bank’s large-scale microservices architecture had complex interdependencies…

…aining so that DKB could have full operational ownership of its infrastructure. AWS Professional Services also brought in Netlight Consulting , an AWS Partner that specializes in migrations and digital transformation. A newly designed operating model together with corresponding runbooks gave DKB…

…omer experience—for example, with a digital assistant in its banking platform. “Using AWS for building and testing the agent helped us to integrate generative AI capabilities into our systems quickly and in a controlled way,” says Otte. “Our cloud-based development environment significantly reduced the time from ex…

…omer experience—for example, with a digital assistant in its banking platform. “Using AWS for building and testing the agent helped us to integrate generative AI capabilities into our systems quickly and in a controlled way,” says Otte. “Our cloud-based development environment significantly reduced the time from experimentation to production.” For learning and training, it’s very helpful to have expertise sitting at the t…

…tal banking platform to AWS, DKB has laid the groundwork for future innovation. The bank estimates a 40 percent reduction in effort for new releases, and the release process itself has been reduced from days to minutes—making it…

…days to minutes—making it possible to deliver new features to customers faster. DKB can also adopt new technologies faster and is using generative AI to improve the customer experience—for example, with a digital assistant in its banking platform. “Using AWS for building and testing the agent helped us to integrate generative…

…days to minutes—making it possible to deliver new features to customers faster. DKB can also adopt new technologies faster and is using generative AI to improve the customer experience—for example, with a digital assistant in its banking platform. “Using AWS for building and testing the agent helped us to integrate generative…

…en for latency-sensitive, customer-facing services like DKB’s internet banking. The bank migrated more than 100 containerized microservices to Amazon Elastic Kubernetes Service (Amazon EKS), which streamlines Kubernetes operations by automating cluster infrastructure m…

…eamlines Kubernetes operations by automating cluster infrastructure management. It adopted Amazon Relational Database Service (Amazon RDS) for PostgreSQL —simple-to-manage relational databases—for transactional workloads. Bank accoun…

…PostgreSQL —simple-to-manage relational databases—for transactional workloads. Bank account statements and other critical documents are stored in Amazon Simple Storage Service (Amazon S3), an object storage service. DKB also adopted several AWS services to support se…

…AWS DataSync, a service that simplifies and accelerates secure data migrations. DKB also used AWS Database Migration Service (AWS DMS), which minimizes operational disruption to applications by keeping the on-premi…

…ions of documents—for example, bank account statements—from on premises to AWS, the bank used AWS DataSync, a service that simplifies and accelerates secure data migrations. DKB also used AWS Database Migration Service (AWS DMS), which minimizes operat…

…also adopted several AWS services to support security and compliance, including AWS Backup to centrally manage and automate data protection and AWS Key Management Service (AWS KMS) to create and control keys used to enc…

…ance, including AWS Backup to centrally manage and automate data protection and AWS Key Management Service (AWS KMS) to create and control keys used to encrypt data. Together, these services created a strong foundation that met DKB’s availabili…

…ked alongside AWS Professional Services to plan the banking platform migration, using proven frameworks such as the AWS Migration Acceleration Program (AWS MAP) to accelerate its cloud modernization journey. The bank’s large-scale microserv…

…rational risk and supporting future growth. Using a strategic, phased approach, DKB migrated its digital banking platform to Amazon Web Services (AWS). Now, DKB is experiencing improved operational resilience, enhanced scalability…

…rational risk and supporting future growth. Using a strategic, phased approach, DKB migrated its digital banking platform to Amazon Web Services (AWS). Now, DKB is experiencing improved operational resilience, enhanced scalability…

…migration to AWS. Key Outcomes of data and 200M+ objects migrated securely 30TB decrease in infrastructure and operational costs 50% estimated decrease in mean time to resolve incidents 25% customer impact during…

…days to minutes—making it possible to deliver new features to customers faster. DKB can also adopt new technologies faster and is using generative AI to improve the customer experience—for example, with a digital assistant in its banking platform. “Using AWS for building and testing the agent helped us to integrate generative…