Activity
Mon
Wed
Fri
Sun
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
What is this?
Less
More
English Takers Program
161
Free
Contributions
@luis-calderon-2913
I'm a software engineer working at CSG, designing ERP and CRM systems. I'm excited to improve my English!
Active 51d ago
Joined Feb 21, 2026
Powered by