Janno Liivak
Estonia
Summary
👤
SeniorJanno Liivak is a seasoned security-focused tech lead and software engineer with over a decade of experience building full-stack and mobile applications across JavaScript/TypeScript, Python, Ruby and Java. Currently leading security efforts at Concise after progressing from senior software engineer roles, he pairs hands-on coding (React, Next.js, NestJS, Django, Rails) with practical threat-aware architecture. His background includes long-term product development for eDev and manufacturing software at Katana, giving him a rare mix of embedded/mobile and enterprise web experience. A fast learner and dependable team player, he routinely picks up new APIs and platforms—recently exploring OpenAI integrations—while mentoring teams to ship secure, maintainable systems. Based in Tallinn with a BSc in Applied Computer Science from the University of Tartu, he brings steady delivery and an eye for pragmatic security trade-offs.
10 years of coding experience
Stackoverflow
86reputation
5kreached
2answers
2questions
Github Skills (45)
javascript10
postgresql10
rails10
ruby10
ember10
forum10
discourse10
mhealth9
csv9
xml8
database8
excel8
github-copilot8
nodejs7
json7
Programming languages (4)
Github contributions (5)
jannolii/discourse-topic-trade-buttons
Mar 2017 - Feb 2022
Contributions:3 reviews, 8 commits, 13 PRs in 4 years 11 months
jannolii/discourse-bump-topic
Jan 2017 - Sep 2017
Contributions:13 pushes, 1 branch in 8 months
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