Uwe Stuehler
Senior Systems Engineer | Technical Project Manager | Consultant
Experience
living brain GmbH
Established a cost-effective application development platform and critical infrastructure for a groundbreaking medical startup, revolutionising rehabilitation therapy with Virtual Reality.
- Guided strategic technical business decisions
- Led software development based on Java microservices
- Managed Platform-as-a-Service provider selection process
- Engineered software lifecycle automation using GitHub Actions
Adevinta ASA
Orchestrated the time-constrained migration and "fork" of an international car trading platform, connecting multiple marketplaces across four countries without service interruption.
- Coordinated migration tasks between teams across four countries
- Meticulous project milestone planning and progress tracking
- Supported system engineers and application developers
Bitwala GmbH
Designed and implemented AWS Organizations infrastructure based on best practices for a startup in the financial sector, introduced a change management process, and migrated legacy AWS accounts.
- Collaborated on designs with product engineering teams
- Authored technical documentation
- Trained employees in new skills
Private Sale GmbH
Led the time-critical migration of "brands4friends.de" from eBay's data centre to a Kubernetes-based Google Cloud infrastructure without service disruption.
- Forecasted total cloud platform operating cost accurately
- Implemented a robust Kubernetes platform with Terraform, Argo CD, and Helm
- Provided training on Terraform, Google Cloud, and Kubernetes
- Ensured a seamless transition without service interruption
UMI Urban Mobility International GmbH
Assessed Google Cloud infrastructure readiness for "WeShare," a car-sharing platform, and coordinated recommended actions with project management. Collaborated on IT operations and product development staffing strategy with business-level management.
Nekkra UG
Ensured the business continuity of the "Kraken.io" image optimisation service after a change in leadership.
- Managed ongoing site operations and product development efforts
- Switched accounting firm and automated the VAT reporting process
- Ensured continued maintenance of PCI-DSS certification
- Recruited and onboarded new employees
Naspers Services GmbH
Optimised AWS cloud infrastructure for content moderation and fraud prevention services within OLX Group, cutting global operating costs in half and saving over $6,000/month.
- Implemented Kubernetes with CloudFormation, CoreOS, and Helm
- Automated migrations without downtime
Private Sale GmbH
Successfully migrated "brands4friends.de" from managed hosting to eBay's colocation data centre without service interruption. Provisioned the new VMware vSphere and Puppet-based production environment.
Nekkra UG
Successfully migrated the "Kraken.io" image optimisation service with several terabytes in monthly traffic to a dedicated colocation service with automated infrastructure provisioning, ensuring zero service interruption.
mobile.de GmbH
Implemented continuous automated backup, restore, and upgrade processes for various internal services at "mobile.de." Consolidated similar services within "eBay, Inc." and introduced Puppet for system configuration management. Supported Site Operations with infrastructure maintenance and aided Product Development teams.
CreditPlus Bank AG
Consolidated multiple Subversion infrastructures within the bank's IT department, migrated to Subversion 1.6, and implemented access control and audit trails. Documented manual maintenance processes and provided training.
Apache Subversion
Contributed bug fixes and tests during Subversion hackathons. Supported the project through consulting work and discussions with regular contributors.
plista GmbH
Developed a novel Collaborative Filtering algorithm based on Singular Value Decomposition in C++. Administered the recommendation service's production environment and mentored junior developers.
- Participated in the "Netflix Prize" competition with significant results
- Implemented infrastructure and software configuration management
The OpenBSD Project
Collaborated more than a decade with over 60 open-source developers worldwide, enhancing security in UNIX-like operating systems. Contributions ranged from machine architecture support to device drivers and third-party software ports.
FLEXIM GmbH
Designed a line of ultrasonic flow measurement devices, including new device drivers and firmware maintenance. Received intensive mentoring from senior electrical engineers and became a regular contributor to OpenBSD.
Security Research Community
Participated in an international software security research community, regularly gathering on IRC and at conferences. Conducted security analysis of protocols, operating systems, and device firmware.
Dresdner Bank AG
Managed physical network and server infrastructure, automated provisioning, and disaster recovery processes for Dresdner Bank AG's Risk Controlling department. Implemented a hands-off disaster recovery process and custom configuration management solutions. Assessed compliance of a SWIFT financial service implementation.
Canto Software GmbH
Developed and maintained a cross-platform media database solution named "Cumulus." Responsible for software packaging, fixing bugs, and planning the next major version, "Cumulus 4."
Internationale Stadt Berlin e.V.
Handled support requests for 300 private Internet users via telephone and email for a local nonprofit Internet service provider. Gained in-depth knowledge of Internet protocols through studying RFCs. Analysed and reported security issues with the provider's networking setup. Developed a graphical IRC client for Linux.