Pavel Rybalko
Software Engineer at Wolt
Helsinki, Finland
Summary
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Rockstar🎓
Top SchoolPavel Rybalko is a seasoned software engineer with 11 years of experience specializing in Python and full-stack development, currently building systems at Wolt in Helsinki. He has a strong background in both startups and established tech firms, including Parity Technologies where he contributed to crypto infrastructure, and multiple roles at QuantumSoft spanning backend and web development. Pavel is an active open-source contributor — notably implementing full-stack features for the air-gapped parity-signer crypto wallet such as QR-reader progress, screen-wake on mobile, and import-derivation refactors. His work blends practical product-facing UI improvements with deeper backend and integration tasks, reflecting an ability to move across the stack. Trained as an electronics and automation MSc, he brings an engineer’s curiosity to software reliability and security-sensitive domains. Colleagues would describe him as a pragmatic problem-solver who quietly improves developer ergonomics and user-facing polish.
11 years of coding experience
9 years of employment as a software developer
Master's degree Electronics and Automation, Master's degree Electronics and Automation at Tomsk Polytechnic University
Russian, English
Stackoverflow
115reputation
7kreached
0answers
3questions
Github Skills (22)
crypto-wallet10
wallet10
bitcoin-wallet10
cryptography10
rust10
ethereum-wallet10
mobile-development9
ios9
android9
mobile9
polkadot8
polkadot-js8
kuma8
substrate8
mouse-events6
Programming languages (8)
Github contributions (5)
novasamatech/parity-signer
Jan 2022 - Jan 2023
Air-gapped crypto wallet.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:463 reviews, 24 commits, 193 PRs in 11 months
Contributions summary:Pavel primarily contributed to the parity-signer repository by implementing features across different parts of the project, spanning both the backend and the user interface. Their work included making modules public, adding a progress bar to the QR reader, and integrating screen-wake functionality on mobile. Additionally, the user worked on various code improvements, like adding spellcheck and refactoring the import derivations process.
crypto-walletwalletsubstratepolkadotkusama
prybalko/todo-app
Feb 2020 - Apr 2022
Simple ToDo app
Contributions:1 release, 23 PRs, 25 pushes in 2 years 2 months
reacttodo-appsimple-todotypescripttodo
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