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Oskar

Blockchain/FullStack Developer
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Location Lublin
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Total Views72
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Member since30+ Days ago
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Contact Details
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Candidate Information
  • User Experience
    Experience 7 Year
  • Cost
    Hourly Rate$9
  • availability
    AvailabilityImmediate
  • work from
    Work FromOffsite
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    CategoryInformation Technology & Services
  • back in time
    Last Active OnJune 17, 2024
Key Skills
BlockchainGolangpythonNode.JSReact JS
Summary

Professional Experience Blockchain & FullStack Developer Umee 2021 – 2023

•Participated in implementing the most programmable, safety-first, autonomous lending algorithm as a Layer-1 blockchain(UX) powered by Tendermint Consensus, Inter-blockchain Communication Protocol (IBC), and a permissionless validator network using cosmosSDK(Golang).

•Achieved interoperability using IBC, Gravity-bridge and decentralized infrastructure, result in creating a universal cross-chain DeFi hub.

•Took part in Developing company website using Vue.js, Nuxt.js, CosmJS and Node.js.

•Took part in programming smart contracts for Dex platform on UX chain using smart contracting platform - Cosmwasm.

•Developed and deployed account abstraction wallet to Ethereum network using ERC-4337 token standard.

•Tried to learn continuously and stay up-to-date with the cutting-edge technologies resulted in getting deep understanding about Zero Knowledge.

•Participated in Agile methodology for application development and used JIRA as project management tool. Web3 Developer Free Block 2020 – 2021

•Developed Solidity smart contracts for our Web3 gaming platform using Hardhat and deployed to Polygon network.

•Collaborated with game developers to seamlessly integrate blockchain features.

•Implemented gas optimization in solidity smart contracts using several best practices. Oskar Phong Blockchain/FullStack Developer

•Proposed several methods to improve performance on NFT project from the architectural level to code-based level, and implemented lazy loading, and as a result, reduced the loading time of assets to 1.3 seconds.

•Work in TDD(Test-Driven Development) and performed testing using Jest and Cypress.

•Got familiar to MythX for testing, analyzing and auditing smart contracts.

•Enhanced contract efficiency, scalability, and security.

•Tried to stay up-to-date with the latest trends and technologies in frontend development, and contributed to the development of testing strategies. Full stack developer Jalappeno 2016 – 2020

•Used HTML5, CSS3, javascript, TypeScript, React JS as the front-end tools to build module pages that communicate with back-end API with RESTfull API.

•Developed several Web applications for different industry customers like FinTech, E-Commerce and ClimateTech with React.js, Node.js, Next.js, Nest.js

•Worked with Vue.js and Nuxt.js to structure Javascript code in an MVC(Model, View, Controller)

•Designed an integrated database using MongoDB and MySQL that leveraged the React architecture to yield on-demand detailed feedback.

•Built cloud native architecture using AWS ECS clusters, Lambda, API Gateway, SNS, SQS and S3

•Managed code quality and testing using ESLint and Jest.

•Utilized Git and GitHub for version control and code collaboration.

•Worked closely with designers and stakeholders to ensure project goals were met.

•Mentored junior developers to improve their programming skills while delivering features collaboratively. 

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