Jaap Frolich

Jaap Frolich is a Principal Software Engineer at Walnut, a position he has held since January 2023.4 With over 10 years of experience in startups and engineering, Jaap is a seasoned professional in the field.1

Professional Background

Jaap's career at Walnut has evolved over time. He initially joined the company as an Engineer and Data Visualization Lead, where he was responsible for developing and implementing data visualization strategies to support informed decision-making.1 Currently, as a Principal Software Engineer, he plays a key role in the company's Engineering Team, which is responsible for developing, maintaining, and optimizing Walnut's sales automation platform.5

Previous Experience

Before joining Walnut, Jaap had an impressive entrepreneurial background:

• Co-Founder and CTO of Weldon: This company was later acquired by Spring Health.1
• Co-Founder of Family5: In this role, Jaap applied supervised Machine Learning to unstructured data.1

Education

Jaap has a strong educational background in both technical and business fields:

• MSc in Econometrics (2011-2012)
• Pre-master in Econometrics (2009-2011)
• MSc in Strategic Product Design (2008-2010)
• BSc in Industrial Design Engineering (2003-2007)2

Skills and Expertise

Jaap is known for his expertise in Ruby-on-Rails software development, particularly for large-scale applications.3 He has also demonstrated his knowledge by contributing to Walnut's engineering blog, writing about topics such as using ReScript to build reliable Chrome extensions.6

Jaap Frolich is based in Utrecht, Netherlands, and his LinkedIn username is indeed jfrolich.23