02/24/2025 updated

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100 % available

Fullstack & Blockchain Developer

Knjazevac, Serbia
Croatia
Cornell University
Knjazevac, Serbia
Croatia
Cornell University

Amazon Web ServicesArchitectural DesignAuditingCloud ComputingStatic Program AnalysisGitHubJava Development KitLaravelPostgreSQLMicrosoft SQL ServersMongoDBMySQLNode.jsOrganization DevelopmentPharmaceuticalsPhilanthropyBlockchainSmart ContractsNext.jsSupply Chain ManagementTokenizationAtlassian TrelloRust (Programming Language)TestingReact.jsExpress.jsBinanceVue.jsBackendGitLabHyperledgerSalesforce HerokuAngularJSEthereumSolidityFood IndustryAtlassian BitbucketIbm BluemixFront End Software DevelopmentReact ReduxFintechRestful ApiCrypto CurrencyGolangProgramming Languages
Starting from middle of 2019 began proactively working on blockchain related projects as a Blockchain software engineer.
My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing and development for Fintech and other industries that need the power of decentralization, tokenization, and smart contracts.

Expertise in Public Blockchain Platforms:

Ethereum | Solana | Binance Smart Chain
βœ“ Developing smart contracts by Solidity and Rust programming languages.
βœ“ Developing RPC using client libraries such as Web3js.
βœ“ Static analysis of smart contracts for gas consumption and optimization using Remix IDE.
βœ“ Securing smart contracts using libraries like OpenZeppelin.
βœ“ Developing Ethereum dApps using Truffle framework.
βœ“ Integration with crypto wallets such as Metamask & Phantom.
βœ“ Deploying smart contracts on test networks such as ropsten/rinkeby as well as ethereum/solana mainnet.


Expertise in Private & Consortium Blockchain Platforms

Hyperledger Fabric
βœ“ Developing Chaincode using the Go programming language.
βœ“ Developing proof of concepts using Hyperledger Composer.
βœ“ Integration with Fabric Java SDK.
βœ“ Creating RESTful APIs for client applications to communicate with the blockchain network.
βœ“ Creating channels, orderers, and peers.
βœ“ Deployment and instantiation of Chaincode on channels on cloud services like IBM Bluemix and Amazon AWS.


I hold expertise with:

- Solidity / Rust / Golang
- React.js / Express.js / Vue.js / Next.js / Angular.js / Redux /Node.js
- Laravel
- MySQL / MongoDB / PostgreSQL / MSSQL
- Heroku / VPS / Amazon Web Services (AWS) / Digital Ocean
- Github, Gitlab, Bitbucket, Trello, Backlog, etc.


Here are the applications that I've built so far.

- Dapp, DeFi development
- NFT game/marketplace development on Ethereum & Solana blockchains in Solidity & Rust
- Ethereum & Binance Smart Chain token development on ERC20, ERC721, ERC1155, BEP20, BEP721 & BEP1155 protocols
- ICO / ITO / IDO / STO, Cryptocurrency exchange & Cryptocurrency wallet Development

Further Expertise & Work Deliverables in Blockchain:

βœ“ DApp for Supply Chain Management for Food Industry
βœ“ DApp implementation in Philanthropy
βœ“ DApp for Anti-Counterfeiting in the Pharmaceutical Industry
βœ“ Worked on Protocols like Ethereum, IBM Hyperledger, Stellar
βœ“ SetUp of a Permission-based Consortium Network
βœ“ Implementation of Private, Public and Permission-based network

Thanks.    

Experience

Professional experience0 - 5 years
Freelancer since2019

Languages

EnglishFluentSerbianNative speaker

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