Lysandros Nikolaou
Senior Software Engineer, Quansight Labs
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolLysandros Nikolaou is a Senior Software Engineer at Quansight Labs with nine years of experience building backend systems, CI/CD infrastructure, and full-stack applications from Berlin. He combines deep Python core and scientific computing expertise—contributing to CPython, NumPy, SciPy, pandas and Apache Arrow—with practical systems work like enabling free-threaded Cython builds and nightly wheel pipelines. Previously he led engineering at Seafair and taught programming and algorithms at TU Berlin, bringing both leadership and mentoring experience. Known for tackling low-level interoperability and threading issues, he pairs a compiler-minded interest with a strong focus on documentation and developer tooling.
9 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree, Computer Science, Bachelor’s Degree, Computer Science at Technische Universität BerlinHigh School, Mathematics and Computer Science, High School, Mathematics and Computer Science at Deutsche Schule Thessaloniki
English, German, Greek
Stackoverflow
338reputation
41kreached
10answers
4questions
Github Skills (60)
cpython10
parserator10
algorithms10
c-language10
parser10
strings10
restructuredtext10
python10
multithreading10
pandas10
rs10
blas10
arrow-keys10
math10
c1110
Programming languages (14)
Github contributions (5)
python/devguide
Oct 2018 - Oct 2020
The Python developer's guide
Role in this project:
Technical Writer
Technical WriterContributions:14 reviews, 5 commits, 7 PRs in 2 years
Contributions summary:Lysandros primarily contributed to the project's documentation by updating references, fixing markup errors, and adding information. They updated links to reflect the use of GitHub and added content related to triaging and pull request labels. Further contributions involved adding information to the experts file and adding translation links and contacts for Greek language documentation.
python-developerpython
python/cpython
Feb 2020 - Nov 2022
The Python programming language
Role in this project:Back-end Developer & Documentation Specialist
Back-end Developer & Documentation SpecialistContributions:319 reviews, 28 commits, 301 PRs in 2 years 9 months
Contributions summary:Lysandros primarily contributed to the Python core language, with a focus on improving the documentation and fixing specific issues. They fixed documentation errors in input/output tutorials and updated documentation for list methods. Additionally, the user addressed issues related to the `sys` module and positional-only parameters. Furthermore, the user contributed to improving the parser by adding specialized error messages and fixing bugs.
python-programmingprogramming-languagepythonpython-programming-language
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.