Cloud Solutions Architect2013 - PRESENTSourcestream GmbH
Technologies: Amazon Web Services (AWS), AWS, Serverless, Python, Ruby, PHP, Scala, Node.js, PostgreSQL, AWS DynamoDB, ELK (Elastic Stack), Icinga, Grafana, Sensu, Jenkins, GoCD, Vagrant, Packer, Docker, Terraform, AWS OpsWorks, Chef, Ansible, AWS CloudFormation, Kubernetes, ECS
- Worked proactively with high-growth startups and operated as their trusted technical advisor in the development of cost-efficient cloud architectures tailored to their business priorities.
- Designed and implemented highly available and scalable cloud-based infrastructure for software development, data analysis and production for customers in a variety of industries.
- Proposed and implemented cost optimization plans.
- Improved production systems to efficiently carry out TV advertisement load profiles.
- Planned and executed infrastructure migration to AWS.
- Supported B2B deals in fintech with product documentation, security audits, and technical consultancy.
- Led proof-of-concept prototyping in eCommerce, IoT, and AI projects.
- Supported software development teams with CI/CD automation and cloud services expertise.
- Defined the requirements for software delivery processes and created a framework for rapid integration of new services into Kubernetes infrastructure.
- Refactored web services backed by EC2 servers into serverless solutions, eliminating 90% of the AWS bill.
Senior Back-end Developer2011 - 2013Home24 GmbH
Technologies: Memcached, Agavi, Solr, MySQL, Capistrano, Subversion (SVN), Git, PHPUnit, Propel, Zend Framework, PHP
- Created internal product management systems.
- Developed automated product data feeds integrated with dozens of merchants.
- Led a development team.
Back-end Developer2010 - 2011INNOVA Handelshaus GmbH
Technologies: Microsoft SQL Server, C#, Delphi 7, LAMP, SOAP, WSDL, PHP
- Developed an auction system.
- Worked on integration of a custom ERP system.
Software Developer2008 - 2010SuraSystems GmbH
Technologies: Google Earth, Google Web Toolkit, LAMP, Joomla, PHP, SQL, C#, Delphi 7, Apache Tomcat
- Created a web interface for an automated picture production system with a variety of payment gateways.
- Developed modules for a custom ERP system.
- Developed a real estate trading system that enables users to mark up real estate, parcels, and further details on the Google Earth globe. Scaled to cover real estate in the USA.