Kristo has worked as a senior engineer, tech team lead, consultant and technology architect in the fields of banking, government and internet media, creating multiple applications and designing numerous infosystems for business and private use for almost twenty years. He is most known for being an outside-the-box-thinking evangelist for API centric development and Domain Driven Design. He is a strong believer in Agile methodologies and he also consults developers and start-ups. Kristo is working as a Chief of Technology for Estonian government and he spearheads the long term architecture and technology vision with his team.