Johannes Schuetzner
Mercedes-Benz Research & Development
Johannes Schuetzner is a software engineer for MB.OS (Mercedes-Benz Operating System) with extensive experience in database technology and Cloud architectures. After having worked in the enterprise application space, he has shifted focus to Cloud-native solutions for connected vehicles. He is currently developing Cloud applications on Azure and Postgres.
POSETTE 2025 Talk
Fortifying Azure Database for PostgreSQL: Stop Intrusions in Their Tracks
PostgreSQL is a popular choice for enterprises to store critical application and process data. Protecting access to this data is crucial to prevent unauthorized access.
In this session, we will explore technical features of Azure Database for PostgreSQL that enhance security. We will demonstrate how to set up private endpoints to limit the attack surface. Additionally, we will provide hands-on guidance on using passwordless database connections, with examples from Java Spring Boot applications running in Kubernetes clusters.
Finally, we will discuss how to maintain operational efficiency in these highly secure setups and share valuable lessons learned.
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Speaker
Interview
About the Speaker
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Tell us about yourself: career, family, passions
I am a software engineer in the MB. OS organization within Mercedes-Benz Research & Development. We develop backend apps for all connected vehicles from Mercedes-Benz. I am married with two children and two bunnies. I like running, soccer and playing padel.
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Which book are you reading right now and why did you choose it?
Recently, I discovered a wide range of podcasts and enjoy them a lot. This means less time for reading.
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What is your favorite hobby?
My latest hobby is playing padel. It is an amazing sport and relatively easy to learn.
About the Talk
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Tell us about your talk. Why did you choose this topic?
Ensuring that data is securely stored and cannot be tampered with is key for us. This is a topic I have focused on and would like to provide help to others.
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Who would benefit the most from your talk and why?
My goal is to empower other users of Postgres to understand the concepts and to take advantage of the solutions.
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What are you looking forward to, the most, during your talk?
Questions and feedback from the audience!
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What existing knowledge should an attendee have?
My goal is to explain all the key concepts and aspects for this session so that minimal prior knowledge is required.
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Which other talk at this year’s conference would you like to watch and why?
I am particularly curious about the talks on enhancements in Flexible Server 2025, on the interactions of PostgreSQL with the Linux Kernel and on the classical topic of performance tuning.
About PostgreSQL
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What inspired you to work with PostgreSQL?
It is both open-source and mature.
About POSETTE & Events
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Have you enjoyed previous POSETTE (formerly Citus Con) conferences, either as an attendee or as a speaker?
It was a great experience presenting at Citus Con in 2022. It provided a new perspective, and I appreciated the feedback that I received. I also learnt a lot from the other sessions.
Past Talks
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First Experiences with Azure Database for PostgreSQL Flexible Server (Citus Con 2022)
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