About

Stelios Frantzeskakis is a Staff Engineer at Perry Street Software, publisher of SCRUFF and Jack’d, serving a community of more than 30 million members worldwide. He has been professionally developing mobile apps for more than 10 years.

His passions and expertise include, but are not limited to, the following areas:

Test-Driven Development
Behavior-Driven Development
Domain-Driven Design
Clean Architecture
MVVM & MVI architecture
Extreme Programming
Functional programming
Pair programming
CI/CD