About us

Founded in January 2017, JayLabs s.r.o. is team of developers based in Prague and in Brno. We focus on development of smart mechanical and electronic solutions for our clients. Our experience in telecommunication and automation electronics, sensors as well as the experience in challenging automotive mechanics gives us whole spectrum of skills necessary for successful realization of our customers’ projects from the first analysis to the first manufacture batch.

In near future we are going to expand our base by fully equipped custom workshop including 3D printers. Our products are currently made by our verified sub suppliers.

Our services

We do provide custom HW & SW development and manufacture services and also development and manufacture of functional mechanical prototypes and parts. Among others, we have experience from automotive, telecommunications and sensors.

We will gladly help you with transformation of your ideas into functional prototypes as well as supporting your team in case of time pressure.

Ota Fejfar: Founder and CEO

Ota has the Master degree in Electrical Engineering at Czech Technical University in Prague. He spent 7 years on the position of embedded systems developer in 2N Telekomunikace developing telecommunication technologies. Both hardware and software.

Ota was always enthusiastic in developing gadgets of any kind. Ota has graduated in HAX (former HAXLR8R, The World’s First and Largest Hardware Accelerator in Shenzhen China) in 2013.

Marek Fejfar: Founder and CTO

Marek has the Master degree in Mechanical Engineering at Brno University of Technology. He spent 4 years developing turbochargers in Honeywell Turbo Technologies as a key designer of innovation group.

Marek showed high passion for developing and building things of any kind since his childhood till these days. One example from recent past: developing of suspension system of student formula within team TU Brno racing during his studies.

Jaroslav Vrána: CSO

Jaroslav has Master degree in Telecomunications at Czech Technical University in Prague. During his study was working for Research and Development Center at CTU.

He spent more than 7 years in 2N Telekomunikace a.s., where he started as a technical support engineer, later on took care of the various types of products as a Product Manager and head of technical specialist department. He is open minded very positive and looking for the new challenges.


Register No. C 266604 by the Municipal Court in Prague.