Principal Software Engineer
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Mirantis
October 2022 - present
- Worked on the migration of Booking’s internal distributed task execution system (∼7 million daily jobs) to a multi-region Kubernetes environment, improving security, testability and resilience. Focused on system architecture and implementation of microservices.
- Developed both a Kubernetes controller that gathers runtime information which is sent to Kafka and a service that reads data back from Kafka and updates records in DynamoDB
- Established standards and best-practices for code, pipelines and documentation
- Mentor and guidance for junior and mid-level engineers @Booking.com, line-manager duties @Mirantis
Senior Cloud Engineer
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SAP Fioneer
October 2021 - October 2022
- Responsible for company-wide GitHub Enterprise integration using Azure AD, OIDC, Azure Key Vault, Terraform, Snyk and GitHub Actions
- Collaborated with cross-functional teams to drive the development of the MVP for the Commercial Lending product, focusing on architecture and infrastructure (AKS, Azure PostgreSQL)
- Mentor and guidance for junior and mid-level engineers, onboarding of new team members
Cloud Engineer
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Rewe Digital
November 2018 - September 2021
- Operation and continuous improvements of the company’s Google Cloud-based fulfillment platform (GKE), Europe’s most advanced food delivery warehouse, serving over 48 teams and over 270 services
- Led integration of Hashicorp Vault for secrets management in the platform, providing necessary tooling for successful and streamlined adoption
- Introduced Chaos Engineering at Rewe Digital, providing resiliency guidance for fellow engineering teams and organizing ”game days”
- Contributed to the successful migration of > 1000 repositories from Bitbucket (in combination with Jenkins) to GitHub Enterprise, ensuring a seamless transition and data integrity
Software Architect / Cloud Migration Lead
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CDQ AG
Jan 2015 - Nov 2018
- Developed MVP and setup complete infrastructure for the company’s first product, a SaaS data-curation platform for enterprises, comprising > 200 million records from more than 20 renowned Fortune 500 companies today
- Translated business requirements into technical solutions and implemented them
- Planned and performed migration from VMware vSphere to AWS while ensuring minimal disruption and seamless integration
- Operated and continuously improved the AWS landscape, led migration from AWS ECS to Kubernetes (kOps
Software Developer
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OpenCMS
October 2013 - December 2014
- Development on OpenCMS kernel, ownership of the full-text search module powered by Apache Solr
- Gathering requirements from customers directly and realizing small-scoped customization projects
- Introduced Docker to project to enable unified testing
Participated in the European AdiWa project by developing a model-based Java backend communicating via MQTT
