Sergei Sapoznikov
Senior Full-Stack Engineer (contract) at Square Enix
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSergei Sapoznikov is a Senior Full-Stack Engineer based in London with two decades of web development experience and over a decade in professional engineering roles, specializing in isomorphic JavaScript apps using Node.js, React, Flux/Redux and modern build systems. He consistently drives architectural clarity and developer productivity—introducing ADRs, standardising tooling, and building multi-tenant site builders at Square Enix that boosted scalability and delivery consistency. Comfortable across front-end and back-end, relational and NoSQL databases, he pairs TDD/BDD and pair programming with pragmatic refactoring to improve code quality and maintainability. Sergei has led teams, mentored QA through testing transitions, and rebuilt developer tooling at scale, reflecting a blend of hands-on coding and cross-team technical leadership. A long-time advocate of simple, usable solutions, he brings a strong algorithmic mindset and usability focus to high-quality product delivery.
11 years of coding experience
12 years of employment as a software developer
Electric Power Engineering, Electric Power Engineering at TalTech – Tallinn University of TechnologyKari Gümnaasium
English, Russian, Estonian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (48)
nextjs9
browser9
react9
parser8
compiler8
pug8
javascript8
converter8
hybrid8
static-site-generator7
planet7
typescript7
vercel7
defaults6
ssg6
Programming languages (3)
Github contributions (5)
odincov/discovering-pluto
May 2015 - Jul 2015
Contributions:71 commits, 23 PRs, 109 pushes in 2 months
planetdwarfjavascriptdiscoverypluto
odincov/dotfiles-1
Sep 2017 - May 2020
:wrench: .files, including ~/.macos — sensible hacker defaults for macOS
Contributions:33 pushes, 1 branch in 2 years 8 months
sensiblekarabinerasdfwrenchstow
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