PromLabs

Running PromLabs, a company offering products and services all around the Prometheus monitoring system. Building UI tools such as PromLens (https://promlens.com/) to help make Prometheus easier to use!

Founder

Prometheus Consulting

Freelancing around the Prometheus (https://prometheus.io) monitoring system: development, integration, usage consulting, workshops.

Self-employed

SoundCloud

Created the Prometheus monitoring system: https://prometheus.io/

Helped build and run internal cluster scheduling and service discovery systems.

General infrastructure work.

Production Engineer

Google

Running and improving Google's global production tape storage system. Automation, monitoring, software development, change management, capacity planning, on-call.

Site Reliability Engineer

Freie Universität Berlin

Created Silk (http://silk.googlecode.com), a link discovery framework for the Web of Data.

Diploma Thesis Student

Linux kernel development: Added IPv6 support for IPVS load balancing. Added a Netlink-based interface for the configuration of IPVS from userspace. Various patches to LVS and ldirectord.

Graphing support for an internal cluster management system.

Intern

studiVZ Ltd.

Software development: Created the photo-tagging JS code and various other frontend and backend modules.

Quality Assurance: Helped create a unit test framework for studiVZ and worked with developers to write software tests. Created framework+dashboard for automated continuous code verification using static analysis, unit tests, etc.

Currently:
Helping people with the Prometheus monitoring system by running PromLabs (https://promlabs.com/) and building PromLens (https://promlens.com/).

Previously:
Freelancing (Prometheus training, consulting, and development) and organizing PromCon (https://promcon.io/). Learning new things.

Last "normal" job before that:
Platforms Engineer at SoundCloud: Created Prometheus, a new monitoring system (https://github.com/prometheus/prometheus). Drove it to global success. Built and ran a cluster scheduling system. Service discovery.

Before that:
Site Reliability Engineer for Google's production offline storage system. Handling insane amounts of data.

In the distant past:
Developed IPv6 support for IPVS in the Linux mainline kernel.

Even longer ago:
Backend/frontend developer and quality assurance at a German startup.

And before that:
Several previous systems administration and software development side jobs.

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