Evgeny Poberezkin
Founder at SimpleX Chat
United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolEvgeny Poberezkin is a founder and engineering leader with 13 years of experience building high-availability, data-integrity focused systems across publishing, advertising and communications. He created Ajv, one of the most downloaded JavaScript libraries for JSON Schema validation, which earned grants from Mozilla and Microsoft and is used by millions of applications. As founder of SimpleX Chat he’s pursuing privacy-first messaging with a novel identifier-free architecture, while prior roles include VP of Engineering and Head of Development at high-traffic consumer platforms. Hands-on across the stack, his open-source work spans high-performance validators, deep-equality utilities and mobile UX improvements, reflecting both performance mindset and practical product sense. He also brings formal training in cryptography and applied mathematics, combining rigorous technical foundations with startup-scale execution. A detail-minded contributor, his Ajv commits reveal deeper work on code generation and conditional logic that materially improved validator flexibility and performance.
13 years of coding experience
8 years of employment as a software developer
Bachelor of Arts (BA) Finance, Bachelor of Arts (BA) Finance at Samara State University of EconomicsMaster of Science - MS Mechanical Engineering and Applied Mathematics, Master of Science - MS Mechanical Engineering and Applied Mathematics at Samara State UniversityLondon School of Economics and Political ScienceCryptography, Cryptography at Stanford University
Stackoverflow
7,512reputation
1.3mreached
136answers
37questions
json
top-1%
schema
top-5%
javascript
top-5%
Github Skills (26)
unit-testing10
json10
javascript10
ios10
data-validation10
json-schema10
testing10
swiftui-app10
user-interface10
ui-design10
ajv10
code-generation10
swiftui10
test-automation10
s69
Programming languages (23)
Github contributions (5)
simplex-chat/simplex-chat
Dec 2019 - Jan 2023
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:5 releases, 2354 reviews, 1424 commits in 3 years 1 month
Contributions summary:Evgeny made contributions focused on the SimpleX Chat iOS application. The commits involved enhancing the user interface, addressing performance issues, and adding features. The tasks included refining chat list layout, updating message times, and implementing mechanisms for handling and displaying member roles within conversations, along with the support for sharing links and displaying the images with custom radii.
protocoldouble-ratchete2eeiosmessenger
ajv-validator/ajv
May 2015 - Jan 2023
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
Role in this project:Back-end Developer
Back-end DeveloperContributions:157 releases, 186 reviews, 2532 commits in 7 years 9 months
Contributions summary:Evgeny's contributions focused on refactoring the code generation functionality, specifically related to conditional blocks and loops, allowing for more flexibility and functional code bodies. They also made improvements in data validation libraries and incorporated changes related to the "propertyNames" feature. The commits demonstrate a strong understanding of the codebase, suggesting improvements to the validator's performance and capabilities, along with related bug fixes.
ajvschema-validatorvalidationfastestjson-schema-validator
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