Summary
Kálmán Hosszu is a senior software engineer with 15 years of experience building and leading teams around microservices and web platforms, currently contributing at platformOS and leading engineering at Indivizo. He specializes in backend systems in Go, with front-end React skills and a strong DevOps toolset including Docker, Ansible, Jenkins and AWS services. A long-time Drupal core and module contributor, he blends open-source stewardship with hands-on architecture and mentoring—having organized local user groups, code sprints and run mentoring programs. He routinely architects distributed systems backed by MongoDB, PostgreSQL and Elasticsearch and has shipped automated interview platforms and other microservice-driven products. Colleagues describe him as open-minded, patient and team-focused, able to turn technical leadership into productive collaboration. Off-hours he balances intense technical curiosity with creative pursuits—fire juggling, circus-based volunteering and photography—which he says sharpen his teaching and presentation skills.
15 years of coding experience
12 years of employment as a software developer
Programmer mathematician, Programmer mathematician at University of Szeged