Juho Juopperi
Founder at RRC Networks Oy
Oulu, North Ostrobothnia, Finland
Summary
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SeniorJuho Juopperi is a founder and generalist software engineer with 15 years of experience building secure, production-ready systems from embedded devices to cloud infrastructure. He designs and operates Internet services with a focus on observability, metrics-driven system understanding, and DevOps practices, and brings deep hands-on expertise in PostgreSQL, Clojure, Linux/ZFS and networking. As founder or co-founder of multiple companies (including ROT13 Oy, KINOS.ONE, Signet Digital and RRC Networks) he blends product leadership with low-level engineering, having delivered encrypted mobile apps, VPN and radio-network solutions and HA cloud platforms. Juho’s background in embedded Linux, C and systems programming pairs with modern data processing tools, making him comfortable across stacks where performance, security and reliability matter. Based in Oulu, Finland, he often acts as the bridge between hardware, firmware and cloud teams — a practical systems thinker who prefers measurable outcomes over buzzwords.
15 years of coding experience
12 years of employment as a software developer
Finnish, English, Swedish
Github Skills (87)
act10
letsencrypt9
netmiko9
django9
acme9
cisco9
netbox9
postgresql9
encrypt9
python9
certbot9
napalm9
ssl-certificate9
juniper9
network9
Programming languages (8)
Github contributions (5)
remodoy/clj-postgresql
Mar 2014 - Jun 2021
PostgreSQL helpers for Clojure projects
Contributions:64 commits, 9 PRs, 31 pushes in 7 years 3 months
postgresqlclojurehelpers
jkjuopperi/kompassi
Feb 2024 - Jan 2025
Kompassi Event Management System
Contributions:25 pushes, 15 branches in 10 months
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