About me
Working on various projects, I have gained experience in software development and cloud architecture. I am passionate about technology and enjoy learning new things.
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Head of Cloud Operations -GrowthSquare GmbH

Jun. 2023 - Present / Full-time / growthsquare.com

Leading development of a user-focused SaaS platform for business planning and strategy management.

Key achievements:

  • Architected and developed a scalable multi-tenant SaaS platform
  • Established CI/CD pipelines using GitHub Actions
  • Setup unit, integration and E2E testing with Vitest and Cypress
  • Building a SSO login system with SCIM support using AWS Cognito
  • Set up monitoring and tracing with CloudWatch and X-Ray
  • Implemented an AI RAG chatbot using LangChain and AWS Bedrock
  • Built a Microsoft Teams app for direct platform interaction

Cloud Engineer -hae.sh GmbH

Sept. 2021 - May 2023 / Full-time / www.hae.sh

Worked on a SaaS product for internal control system assurance, focusing on scalable cloud solutions.

Key Contributions:

  • Built and maintained AWS Infrastructure as Code using AWS CDK.
  • Set up CI/CD for infrastructure with CDK Pipelines & GitHub Actions.
  • Designed core data stream processing and control execution systems.
  • Implemented multi-tenancy, SSO, and user authorization.
  • Created AWS Lambda microservices and APIs in TypeScript.

Fullstack Developer -LUCI GmbH

Jan. 2021 - Aug. 2021 / Freelance Contract / luciapp.de

Developed a multi-tenancy platform with a React Native app, React admin dashboard, and tenant management tool.

Key Contributions:

  • Built the MVP, including architecture and implementation.
  • Briefed and onboarded new team members.
  • Designed the backend with AWS Lambda, DynamoDB, and AWS Cognito.

Freelancer

Jul. 2019 - Present

Started with open-source projects on Thingiverse, gaining significant community attention, and established a freelance business.

Over the years, I've met a lot of interesting people and worked on various projects. Here are some of the highlights:

  • Built cloud applications on AWS
  • Conducted projects