Leonidas Tsementzis
Co-Founder & CTO at ScultureAI
London, England, United Kingdom
Summary
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SeniorLeonidas Tsementzis is a hands-on technologist and founder who builds and scales product-led businesses, currently serving as Co-Founder & CTO of ScultureAI and mentoring startups at ZINC. With roughly two decades of industry experience and 14 years in senior engineering leadership, he has repeatedly acted as founding CTO for multiple ventures, taking products from concept through acquisition and LSE listing readiness. He blends software architecture, full-stack implementation and team building across cloud-native stacks (Python/Django, React, Kubernetes, AWS) to deliver customer-driven digital products in regulated domains like fintech and education. Leonidas excels at aligning technical strategy with commercial objectives, advising investors on technical due diligence while rolling up his sleeves to ship critical systems. Notably, he has a track record of creating repeatable operating models for early-stage ventures—hiring senior teams, establishing scalable architectures and handing over to operators post-product-market fit.
14 years of coding experience
23 years of employment as a software developer
English, Greek
Stackoverflow
467reputation
29kreached
5answers
2questions
Github Skills (92)
integrate10
graphene10
thumbnails10
django9
webpagetest9
django-blog9
django-project9
django-admin8
python8
apollo8
graphql8
admin-interface7
paypal7
javascript7
payment7
Programming languages (7)
Github contributions (5)
leotsem/django-elasticsearch
Nov 2015 - Oct 2016
Contributions:2 PRs, 13 pushes, 4 branches in 10 months
pythonindexdjangodjango-modelpython3
leotsem/vagrant-ansible-python-environment
Nov 2014 - Dec 2014
Contributions:5 commits in 24 days
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