Johan Hall is a hands-on technology leader and CTO with eight years of formal experience and a much longer track record building and running cloud-native systems for a niche digital-archiving business. As co-owner and technical lead at ArkivDigital he has designed and operated large-scale services—AWS-hosted image stores with billions of objects, Aurora PostgreSQL and Elasticsearch search indices with hundreds of millions of rows—and overseen a subscription platform serving tens of thousands of users. He blends academic depth (a PhD in Computer Science focused on language technology and NLP) with practical engineering, having moved from researcher and lecturer roles into product engineering and leadership. Johan emphasizes an agile, high-quality delivery culture and remains deeply involved in architecture and implementation rather than purely managerial duties. He also runs his own software firm, demonstrating ongoing entrepreneurship and consultancy alongside his CTO role. Based in Växjö, Sweden, he brings rare domain expertise in digitization workflows and searchable historical-record systems.
8 years of coding experience
12 years of employment as a software developer
GSLT
PhD, Computer Science with special interest in Language Technology, PhD, Computer Science with special interest in Language Technology at Växjö University
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Johan Hall - Chief Technology Officer at Arkiv Digital AD AB