Hi, I’m Tobi.
Freelance - Software Engineer

I'm a seasoned software engineer with a focus on backend development, having spent multiple years building performant and reliable systems for startups. With a keen eye for software architecture and a deep understanding of distributed systems, databases, and infrastructure.

Mail CV in English CV in German
Profile Picture

Who am I?

I was born and raised in Bielefeld, with a passion for computers that goes way back. My earliest childhood memory involves playing a minigolf game on my brother’s C64, and I’ve been hooked on technology ever since. In school, I honed my skills by building websites with FrontPage and fixing computers for my neighbors. After completing an apprenticeship in software development, I moved to Berlin to study computer science at HTW Berlin.

Since then, I’ve joined multiple startups and know what it takes to build a project from the ground up. As a Lead Backend Engineer at Sesame, a healthcare company in the US, I’m currently working on revolutionizing the industry. With my expertise in software architecture and engineering, I’ve designed and implemented numerous services that now serve millions of users. I’m proud to say that I’ve built these services to be robust, reliable, and performant.

About Me

Education

2012-2015
HTW Berlin
Bachelor of Science, Applied Computer Science
2009-2012
Synaxon AG
Apprenticeship (Ausbildung) - Fachinformatiker für Anwendungsentwicklung
August 2023 - Present
Freelance - Software Engineer
Round.Cash
March 2019 - Juli 2023
Senior Software Engineer
Sesame
March 2015 - Jan 2019
Software Engineer
JustWatch
Jun 2014 - Mar 2015
Working Student - Software Engineer Tester
Webtrekk
Jan 2012 - Aug 2012
Software Engineer
Synaxon AG

Experience

Over 10+ years of experience working with companies and especially startups in the early face of building the basis for a scalable, robust and performant business. I like architecting the techological landscape as much as implementing it.

Linkedin CV in English CV in German

Skills

I possess comprehensive knowledge and practical experience working with a range of programming languages, databases, software applications and clouds

  • Kubernetes
  • Java (Spring Boot)
  • Google Cloud Platform
  • Postgres
  • Terraform
  • Git
  • Docker
  • Snowflake
  • Microservices
  • 12 Factor Apps
  • Pub/Sub
  • CI/CD
  • Scrum
  • REST
  • AWS

Projects

Cloudmash.io

A blog about technologies I'm learning or just want to write about, some recent articles are about Terraform and Kubernetes.

Link
Cloudmash.io
Sesame Calendar System

Sesame Calendar System

I have designed and implemented a comprehensive Calendar System that closely resembles Google Calendar. This system encompasses recurring slots/meetings, as well as accommodating multiple simultaneous locations and physicians. It serves as the foundation for all bookings and is utilized by tens of thousands of healthcare professionals across the United States on a daily basis.

Link

Adwords Audience Builder

I successfully developed an Audience Building System which enables the creation of audiences in Adwords and uploads billions of identifiers every day. This system has enabled JustWatch to create marketing campaigns for movies and shows with multi-million dollar advertising budgets

Link
Adwords Audience Builder