About Sebastian
German
Native or bilingual
English
Fluent
Experience
- Large Retail VendorFull Stack Engineer and Devops EngineerRETAIL (SMALL BUSINESS)March 2022 - Today (4 years and 3 months)Karlsruhe, GermanyKey member of the platform and Software Engineering Team supporting Point of-Sale products (e.g. cash registers) within the stores. Organizational:• Fostered a strong engineering culture and a hands-on mentality to solve problems in a faster pace.• Reflected with division- and team-management in areas of organizational development to accelerate teams and execute strategy.• Focused on improving the end-to-end responsibility of the teams.• Advised the team in internal recruiting process. Technical:• Implemented and maintained a new kotlin spring boot service that connected the SAP System over REST with the instore cash registers.• Helped to establish the architecture for configuring ~12000 cash registers in 15 countries.• Implemented AWX and Ansible pipelines that installed shared components (like JDK, MariaDB, etc) for the teams.• Automated Google cloud kubernetes engine (GKE) management with terraform and gitlab pipelines.• Developed AWX pipelines for supporting tasks.
- Sebastian Thees - IT ConsultingIT / Software & Management ConsultantDIGITAL AND ITJanuary 2021 - March 2025 (4 years and 2 months)Bonn, Germany• Cloud Engineering: cloud infrastructure services, cloud software architectures and migrations into the cloud.• Software Engineering: Agile Software Development - with main emphasis on backend, infrastructure and cloud.• Organizational Development: Management and CEO consulting based on systems theory.
- fulfillmenttoolsSoftware Engineer / Cloud EngineerDIGITAL AND ITJanuary 2020 - February 2022 (2 years and 1 month)"Hybrid" role as the first software engineer in the company to bootstrap the organization. A mix of laying out the technical foundation as well as advising management on how to build the company from organizational aspects.• Initially set up the SaaS platform in almost all technical aspects e.g. guide the software and infrastructure architecture, selection of languages and tools, design of the process to deliver value to the customer quickly and reliable.• Responsible for design and implementation of the build and continuous deployment pipeline leveraging a multi-tenant approach (where each customer gets its own independent environment) enabling extreme scaling the SaaS platform.• Established the initial ITSM / Support processes and provided supporting monitoring and alarming. Took also part in the rolling oncall team.• Reflected regularly about problems and subsequently proposed new approaches on how to scale the platform and build the backend interfaces mitigating bugs and communication overhead.• Mentored new employees to help them to get started and served as a trustful team member and lateral leader.• Conducted most interviews of applicants for technical roles (all kinds of software engineers, solution consultants, onboarding managers etc.) Used Technologies: Typescript, Node.js, bash, Google Cloud Platform / serverless technologies (app engine, cloud run, cloud functions, google endpoints, firebase), Github Actions, Docker, Terraform, Firebase, MongoDB, REST APIs, GraphQL and more
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Education
- Future Leadership Organisationsdesigner für agile Teams und Unternehmenintrinsify Future Leadership Academy2020Future Leadership Organisationsdesigner für agile Teams und Unternehmen
- Master of Science in Computer ScienceHochschule Bonn-Rhein-Sieg2007Master of Science in Computer Science (MCs), Computer Science
Certifications
- ITIL FoundationAPMG International2017