About Us

In April 2015 we founded the Glindemann, Sennoun, Langer GbR and quickly released smaller games for the Apple App Store. Over the years, we have expanded our offering, explored new technologies and opened up new platforms. We have always been able to convince our business partners and customers of our quality and professionalism through various cooperations, collaborations and orders. Above all, we are appreciated for our accuracy, transparency and uncomplicated manner.

GSL - Glindemann, Sennoun, Langer GbR
Alexander Langer profile image

Alexander Langer

  • iOS Developer
  • Konzept
  • Design
  • Audio


Alexander Langer started his IT career parallel to his studies in Production Engineering (M.Sc.), where he acquired in-depth knowledge in automation processes, quality management and image processing. In this combination, Alexander was particularly active in the field of augmented reality, visual object detection and classification.

Above all, he supports his team in coordinating and planning activities, UI planning and design, design and sound/music development.

LinkedIn - Alexander Langer

Silvia Glindemann profile image

Silvia Glindemann

  • iOS / Android Developer
  • Front- / Backend
  • Konzept
  • Design


Due to the outstanding technological talent of Silvia Glindemann, she learnt numerous programming skills parallel to her studies in Automotive Engineering (M.Sc.). In combination with engineering skills and methods, there are no limits to the technological possibilities offered by mobile development.

While she supports the team in design, Silvia mainly develops various mobile applications for iOS and Android.

LinkedIn - Silvia Glindemann

Ramdane Sennoun profile image

Ramdane Sennoun

  • iOS / Android Developer
  • Front- / Backend
  • Web Development
  • Amazon Web Services


Ramdane Sennoun began his career as a programmer while studying Computer Science (B.Sc.). While being in his Master Degree he developed his first apps for iOS and was soon engaged for national and international projects. Ramdane discovered his passion for complex and powerful backend structures, interface architectures and dev operations.

His extensive knowledge in IT and his numerous experiences enable the team to perceive extensive projects and lead them to success.

LinkedIn - Ramdane Sennoun