Esenbek Uulu
IOS Developer at Horizontal Systems
Bishkek, Kyrgyzstan
Summary
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Rockstar🎓
Top SchoolEsenbek Uulu is a seasoned iOS developer with 16 years of software engineering experience, currently building wallet features at Horizontal Systems from Bishkek, Kyrgyzstan. He brings deep mobile expertise across iOS and Android, having contributed to the well-known Unstoppable Wallet projects that handle multi-blockchain, non-custodial crypto and NFT functionality. His work demonstrates a strong grasp of blockchain internals—implementing Bitcoin Merkle block handling, transaction services, and EVM integrations—paired with rigorous testing and cross-platform coordination. Prior roles span cloud mobile money at GeoPay and backend-focused Ruby development, giving him full-stack fluency from backend services to mobile UX. He holds a master's in Computer Software Engineering and has a track record of adapting libraries and fixing subtle protocol bugs, such as ZEC amount conversion issues. Practical, detail-oriented, and crypto-savvy, he thrives on bridging protocol-level logic with polished mobile experiences.
15 years of coding experience
4 years of employment as a software developer
master of IT, Computer Software Engineering, master of IT, Computer Software Engineering at Elaralyk Atatürk Alatoo Üniversitesi
Kyrgyz, English, Turkish, Russian
Stackoverflow
1,573reputation
405kreached
12answers
7questions
Github Skills (22)
kotlin10
ios10
android10
blockchain10
swift10
unit-testing9
bitcoins9
ui-design9
bitcoin9
front-end-development9
uid9
bitcoin-wallet7
mongodb6
ssh6
ruby-on-rails6
Programming languages (8)
Github contributions (5)
horizontalsystems/unstoppable-wallet-ios
Jul 2018 - Jan 2023
Multi-wallet for Bitcoin, Ethereum, Binance Smart Chain and other emerging blockchains. Non-custodial storage, decentralized exchange, and extensive analytics for thousands of tokens and NFTs. Implemented on Swift.
Role in this project:
iOS Mobile Developer
iOS Mobile DeveloperContributions:5 releases, 673 reviews, 405 commits in 4 years 7 months
Contributions summary:Esenbek added a MerkleBlockHandler and associated tests to the project, indicating a focus on implementing and testing Bitcoin-related functionalities. They implemented methods for updating blocks with transaction hashes and managing state related to blocks. Additional commits include the addition of a TransactionHandler and the implementation of a service for handling transactions, adding functionality to the peer manager for transaction handling.
exchangetokenscrypto-sdkethereumwallet
horizontalsystems/unstoppable-wallet-android
Mar 2022 - Dec 2022
A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, institutional grade analytics for cryptcurrency and NFT markets, extensive privacy controls and human oriented design. Implemented on Kotlin.
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:70 reviews, 57 commits, 78 PRs in 9 months
Contributions summary:Esenbek primarily focused on updating and integrating the EthereumKit libraries within the Android application. They modified various Kotlin files related to EVM network management, wallet connect requests, transaction information, and other core functionalities. These changes included adapting to library updates and modifications to the UI components, particularly in forms and the transaction history display. The user also fixed a bug related to ZEC amount conversion.
exchangecrypto-sdkethereumwalletconnectwallet
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