About Jonathan
Thanks for visiting my profile.
I am Senior Blockchain Developer with 7years of experience.
I'm confident in these fields below:
✓ Smart Contract, DeFi, in Ethereum, Solana, Avax, Wax, Algorand, Polygon,BSC, Polkadot
✓ DApps development ; Solidity/Rust + web3.js/ethers.js
✓ Solidity, Rust, Golang, C++, Java, Python
✓ Integration with crypto wallets such as Metamask.
✓ SQL and NoSQL (MySQL, MSSQL, PostgreSQL, InfluxDB, MongoDB), Redis
✓ Sytems Administration (DevOps, Docker, Apache, Nginx, Heroku)
What I can do for you:
✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com
✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens)
✓ NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc)
✓ ICO| STO| IEO- Developing from scratch + Marketing
✓ Smart Contract (ERC20 + ERC721) and Audit
✓ IOT solutions using blockchain such as in Farming
✓ Peer to peer platform
✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET)
✓ Cryptocurrency Pricing Website
✓ Crypto Arbitrage
✓ Forking coin
Best regard!
Polish
Native or bilingual
English
Fluent
Polish
Native or bilingual
Remote only
Primarily works remotely
Experience
- ApexcryptoBlockchain Engineer (Remote)DIGITAL AND ITJanuary 2021 - February 2022 (1 year and 1 month)Chicago, United States of America-Created a multilayered Solidity Smart Contract for retrieving data from block-chains and processing it for financial, statistical analysis.-Optimized application in Solidity for thread contention. Optimized incoming channel distribution with a specific algorithm and maintained data integrity across the application.-Wrote the main multi threaded module in C++, which conducted the main financial processes.
- Centrys, IncBlockchain DeveloperDIGITAL AND ITDecember 2017 - November 2020 (2 years and 11 months)Toronto, Canada-Contributed to one of the biggest mining pools on the AION network.-Created a permissioned blockchain with the newly implemented consensus. -Developed smart contracts for testing new blockchain features.
- InnovatureFull Stack EngineerDIGITAL AND ITJuly 2016 - June 2017 (11 months)Keralassery, India-Utilized best security practices and created a highly-available Block chain infrastructure in support of a successful ICO.-Worked with senior management and technical teams to minimize infrastructure costs while maintaining high availability.
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Education
- Information and Computer sciences (Bachelor)Osaka University2015