zermelo fraenkel LTD

we build high quality software

what we offer

applications

we design, build, and maintain fast, secure, well-tested, and highly usable web services, whether that is APIs for robots or UIs for humans

infrastructure

highly experienced with DevOps toolchains and processes: building CI/CD pipelines, testing infrastructure, application monitoring, logging

python

we love (sometimes hate, but mostly love) working with the Python web ecosystem with experience, ranging from simple APIs to large and multi-layered architectures

our approach

resilient software designed to work reliably for decades.
well-tested, maintainable, highly secure code.
transparent and effective communication.
we believe in excellent documentation and consider it a core feature of our work.
open source is a significant part of our work—we strive to be excellent at it.
simple is better than complex.

who

theodore keloglou

Theodore likes programming minimalist software, building ablative applications, and looking up words in the thesaurus.