AWS Cloud Architect & DevOps / Senior Solution Architect

Development of ProSiebenSat.1 digital products - video streaming & publishing platforms.

• Co-authored enterprise cloud strategy including security and governance frameworks for 5 subsidiaries, and implemented part of the governance automation.
• Performed regular cloud cost optimization reviews across 10 teams resulting in ~20% cost reduction.
• Led the technology selection for the migration of in-house CIAM for 25M+ accounts to a SaaS solution, and worked with the product team through the migration.
• Supervised the technology selection and designed the architecture and delivery pipelines for the multi-tenant digital news and sports publishing platform, enabling ~250 editors within ~6 months of development start.
• Led the implementation of a multi-brand design system from idea and technical concept to implementation and rollout, enabling rapid UI prototyping for new products in a matter of hours.
• Managed a team of 4 architects and accelerated the professional growth of team members.

Technologies: AWS cloud, Microservices, Docker, Python, Kafka, JavaScript, TypeScript, React.js, Node.js, GraphQL, REST, Gitlab CI, Visual Studio Code, git.

Development of the RIO - The Logistics Flow platform, a logistics-centric connected truck platform.

• Designed and led the implementation of an AWS account management solution with custom compliance and governance based on the AWS Landing Zone across EMEA & LATAM regions. Migrated over 60 existing AWS accounts to the implemented solution.
• Optimized & secured network architecture for centralized Kafka deployment, migrated over 30 AWS accounts from accessing Kafka over the public internet to private connections.
• Designed and implemented automated open-source software license compliance checks for CI/CD pipelines, accelerating compliance reporting by ~20% for over 150 services.
• Designed and developed several features for RIO Marketplace that allow fleet owners to book service subscriptions for the trucks they operate. Implemented invoice download functionality.

Technologies: AWS cloud, Microservices, Docker, Kotlin, Python, JavaScript, Node.js, Kafka, Event Sourcing, OpenAPI, REST, IntelliJ IDEA, git.

Development of the AutoScout24 platform - an online marketplace for cars.

• Participated in the development of the migration strategy of the AutoScout24 platform from C# / .NET / monolithic architecture in the on-premises data center to the Scala / JVM / microservices architecture in the AWS cloud and guided the teams toward the target architecture.
• Designed and implemented a new Favorites microservice running in the AWS cloud to replace the legacy solution. Integrated the implemented microservice with the existing platform.
• Designed and implemented two-factor authentication, which reduced the number of fishing cases to near zero.
• Performed code, design, and architecture reviews.
• Trained other developers in Scala.

Technologies: AWS cloud, Microservices, Scala, C#, JavaScript, Node.js, Ruby, Play, .NET Framework, ASP.NET MVC, ASP.NET WebAPI, Autofac, MassTransit, CQRS, Event Sourcing, OpenID Connect, OAuth2, REST, RabbitMQ, IntelliJ IDEA, Visual Studio, ReSharper, Jenkins, TeamCity, git.

Development of a media asset management system as part of a broadcast software suite.

• Implemented and maintained a desktop media asset management application, database interface modules, and WCF-based web services.
• Designed and implemented a user synchronization module between an internal system and an Active Directory.

Technologies: C/C++, MFC, ActiveX, Win32 API, Visual Studio, Subversion.