Petr Zaparka
Coach For Software Developers at ZAPARKA LIMITED
Stony Stratford, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolPetr Zaparka is a seasoned Ruby on Rails developer and coach with two decades of software experience and a decade of focused professional practice across public sector and startup projects. He currently runs ZAPARKA LIMITED, coaching developers to accelerate into senior roles by sharpening focus and prioritizing high-impact work, while also maintaining key public-facing HMCTS services. Petr has a deep track record of delivering and maintaining Rails applications, migrating legacy systems, and implementing microservice patterns, payments and third-party integrations for clients from education to publishing. Comfortable across the stack, he combines pragmatic engineering—test-driven development, CI, Sidekiq—with stakeholder-driven agile delivery. Not obvious at first glance: he’s balanced long-term freelance craftsmanship with sustained public-sector impact, making him adept at both MVP speed and production-grade stability. Based in Stony Stratford, he blends hands-on coding with mentorship to scale developer capability as well as software.
11 years of coding experience
21 years of employment as a software developer
--, Information technologies, --, Information technologies at VSB - Technical University of Ostrava
Stackoverflow
81reputation
8kreached
2answers
0questions
Github Skills (46)
nightly-build10
apply10
c10010
flux10
finder9
cloud-platform9
fluxcd9
tax9
logic8
react8
exporter7
parse7
go7
python7
jenkins6
Programming languages (9)
Github contributions (5)
hmcts/tax-tribunals-datacapture
Oct 2023 - May 2025
Contributions:41 reviews, 104 PRs, 157 pushes in 1 year 7 months
jenkins-cft-j-zjenkins-cft
hmcts/hwf-publicapp
Jan 2017 - Jul 2026
Help With Fees - public facing app
Contributions:110 releases, 113 reviews, 603 PRs in 9 years 6 months
reactfeesjenkins-cftjenkins-cft-d-inightly-build
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