Cezar Halmagean
Engineer & Founder at Mix & Go
Timișoara, Timiș, Romania
Summary
👤
Senior🎓
Top SchoolCezar Halmagean is a founder and seasoned Ruby on Rails expert with 11+ years building and scaling SaaS products and revenue-driving systems. He runs Mix & Go, a done-for-you YouTube growth and inbound pipeline service for founder-led B2B consultancies and SaaS, built from a playbook that generated over $550K with just 3K subscribers and no ads. Previously he has coached and upskilled engineering teams, improved code quality and test coverage, and helped products reach millions of users and enterprise traction. Comfortable moving between hands-on engineering and product strategy, he’s delivered AI-powered content platforms, billing and churn systems, and automated self-service tools that materially improved retention and revenue. Based in Timișoara, Romania, he combines deep Rails craftsmanship with growth-focused marketing systems—an uncommon mix that turns developer work into predictable inbound sales.
11 years of coding experience
14 years of employment as a software developer
Bachelor of Science (BS), Bachelor of Science (BS) at Universitatea „Tibiscus” din Timișoara
Romanian, English
Stackoverflow
892reputation
52kreached
10answers
29questions
Github Skills (200)
virus10
docker-desktop10
rescript10
lms10
rust10
server-side10
admin10
rocket10
rubyml10
alchemy-cms10
learning-management-system10
reason-react10
newsletter10
pelican10
api9
Programming languages (14)
Github contributions (5)
chalmagean/test_first
Oct 2018 - Feb 2022
Demo repository for the Buletproof Ruby on Rails Applications book.
Contributions:49 commits, 10 PRs, 40 pushes in 3 years 4 months
ruby-on-railsbddrubyrubyonrails
chalmagean/vimfiles
Jul 2015 - Nov 2018
Contributions:27 commits, 9 pushes in 3 years 4 months
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