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Linus Lewandowski

I am a code artist and a perfectionist. I love Go, Python and C++.

Interesting projects

May 2016 - Aug 2016

Influency Twitch statistics database

  • Designed and implemented an innovative time-series database that stores and processes billions of data points every day, performs advanced analytics over them (interpolation, integration, ...), downsamples the data and enables users to instantly receive answers for their queries.

    Python Cassandra Google Cloud Kubernetes

    However, it really should have been written in Go...

  • Designed a microservice oriented architecture for the web app and implemented multiple microservices.

  • Python Go Django DRF PostgreSQL Dex Kubernetes

Aug – Oct 2015

JawneKsięgi Open Book Accounting system

Designed and implemented a bookkeeping software that publishes all the financial data of an organization in a friendly and readable way. Used by KWW Piotra Waglowskiego in the elections to the Senate -

Python Django SQLite

Jul – Sep 2013

Daftcode Rightflow Real-time bidding system components

Created multiple components of real-time advertisement bidding system based on rtbkit – which is processing 100,000s of requests every second.

C++11 PostgreSQL Cassandra

Oct – Dec 2011

Daftcode Adlure Affiliate network software

Leading a team of programmers, implemented a Python front end for configuring the system and watching statistics, and a C++ back end for counting and handling advertisement-related web requests.

C++11 Python

Aug 2014 – Present

pydbus Pythonic DBus library


Truly Pythonic API for accessing DBus objects.

Built on top of GLib Python bindings.

Python DBus GLib

May 2015 – Present

siren Image builder for systemd-machined


Tool for building OS containers for use with systemd-nspawn and machinectl in a way similar to Dockerfiles.

Go Docker Systemd-nspawn

2010 – Present

sparqlite Semantic database


RDF graph store using SPARQL as the input language, with support for automated reasoning.


2013 – Present

yieldxx Coroutines/generators for C++


Prettiest C++ generator/coroutine implementation.