Freelance Front-End Developer

Hi, i'm Stevie-Ray Hartog a rock climber & freelance front-end developer from Breda, Netherlands. 


HangTime - Hangboard Training

Discover the ultimate community-driven climbing app - Boost finger strength, personalized workouts, & max gains.


Heli-Hero - Bluetooth Hangboard Game

A Bluetooth Griptonite Motherboard + Beastmaker hangboard game for climbers.


Grip Connect - Bluetooth force-sensing strength analysis

Griptonite Motherboard, Tindeq Progressor, Entralpi, Climbro, mySmartBoard & MAT Muscle Meter.