Summary
Matias Heikkilä is an entrepreneur and former software developer with a PhD in Mathematics and over a decade of experience blending rigorous research with practical engineering. Based in Helsinki, he has helped Finnish media leaders improve content recommendation systems using React, Scala, Python, AWS, and Postgres while completing doctoral work on the side. As co-founder of three.consulting and now leading ByteSauna, he couples product-minded consultancy with hands-on implementation. His background in advanced mathematics informs a measured, data-driven approach to building scalable, probabilistic systems and algorithms. Colleagues describe him as equally comfortable deriving a model on paper and shipping the production code that operationalizes it.
10 years of coding experience