Julien Decoster

Deputy CPO

Castles Technology

Industry or Sector:
Payment Technology

Role at Technobank 2026:
Speaker (individual presentation)

Topic of your presentation or panel at Technobank 2026:
Driving Payment Innovation : From Market Presence to Next-Generation Smart Terminals

Short Professional Focus relevant to Technobank:
Payment acceptance innovation across Android POS, SoftPOS and unattended environments.

LinkedIn Profile Link:
https://www.linkedin.com/in/decoster-julien/

Speaker Biography:
Julien Decoster is Deputy Chief Product Officer at Castles Technology, a global provider of Android-based payment terminals and solutions. He has over 25 years of experience in the electronic payments and technology industry, covering product strategy, payment acceptance and embedded solutions. Julien works closely with banks, fintechs and large merchants to design and deploy innovative in-store and SoftPOS solutions. He is particularly focused on bridging hardware, software and payment ecosystems to deliver scalable and secure payment experiences.