kargul.fit
Radek Kargul
Software Engineer · Fitness Coach · International Speaker
I build software, teach group fitness, and speak about AI, health, and performance.
What I do
Software
Building products at the intersection of AI and developer tooling. Focused on developer productivity, LLM engineering workflows, and software that compounds over time.
Speaking
Speaking at conferences and events on AI engineering, developer productivity, health technology, and human performance. Talks that combine technical depth with practical application.
Fitness
Teaching group fitness classes focused on strength, conditioning, mobility, and sustainable performance. Coaching philosophy: consistency over perfection, movement quality above all.
Recent work
All posts →Classes I teach
See all →Functional HIIT
High-intensity interval training built around functional movements. Short bursts of effort, active recovery, and real-world patterns that carry over to daily life.
For: Intermediate and above
Mobility & Core
Targeted work on joint mobility, stability, and core strength. Builds the foundation that makes every other training more effective and reduces injury risk.
For: All levels
Strength & Conditioning
Full-body strength training covering the core movement patterns: squat, hinge, push, pull, and carry. Technique first, progressive loading as confidence builds.
For: All levels
Currently teaching group classes in Rotterdam and surrounding areas.
Interested in coaching? Contact meSpoken at · Invited to