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Denis S.
@deniswang1012
4.3
5
3.4
3.4
60%
Full stack developer & Blockchain expert
$40 USD / Hour
・
United States (10:12 AM)
・
Joined on March 30, 2023
$40 USD / Hour
・
Over the last 7+ years, I worked as a senior full-stack developer and experienced in all stages of the development cycle for variant types of web services and projects.
I have extensive experience working both alone and as part of a team on often time-sensitive, challenging web development projects that require outstanding creative and technical capabilities and the ability to ensure all work is optimized across a wide range of platforms.
Very familiar with PHP, JavaScript but I have enjoyed working with modern JavaScript/TypeScript frameworks such as React, Angular, Vue for the frontend and NodeJS, ExpressJS, NestJS, HapiJS for the backend.
Always focused on producing well-documented, well-architectured, well-designed projects based on efficient and clean code.
My tech stacks:
-JavaScript/TypeScript: React(Next, Gatsby, React Native, Redux, Hook, Saga), Angular(RxJS, JS/2+), Vue(Nuxt, Vuex, Vuetify), jQuery, D3.js, three.js, NodeJS, ExpressJS, NestJS(MikroORM), HapiJS
-UI/UX: HTML/CSS, HTML5/CSS3, SCSS/SASS/LESS, Tailwind CSS, Bootstrap 3/4, Material UI, Antd
-Mobile: React Native - CLI & Expo, Swift, Java, Kotlin, Xcode(Storyboard/AutoLayout/SwiftUI), Android Studio
-PHP: Laravel, CodeIgniter, Symfony
-Python: Django, Flask
-Git: Github, Gitlab, BitBucket
-CMS/eCommerce: Wordpress, Shopify, Zoho
-Database: MySQL, MongoDB, PostgreSQL, MS SQL Server
-Cloud Serer: AWS(S3, EC2, Lambda), Azure, Firebase, Docker
-Development Tool: CI/CD Pipeline(Jenkins), Testing Library(Jest, Mocha), Webpack(Babel)
-API: REST, GraphQL(Apollo, Helix, AWS Amplify)
Specialized Aspects for Blockchain & Crypto-related products:
- Ethereum, Solana, Binance Smart Chain
- Solidity, Rust, web3.js, ether.js
- Truffle, Hardhat, Ganache, Trizzle, Remix, Pinata, Moralis, IPFS, Opensea
- DEX, Trading Bot, Wallet, DApps, NFT, DAO, ICO
From my expertise experience, I can provide the perfect solutions and creative ideas.
Looking forward to discussing your project and business.
Thanks!
The provider did not undertand the nature of the project requirements. This may be partly because their first langauge is not english as was expected for a USA resident. I paid 50% for work done for simplicity, it did not have much value to my project. Their enthusaism to help was good but it did overide the fact that you project should have been declined as was not doable. The documents that he did provide were well put together.
Scheduled and facilitated meetings between project
stakeholders to discuss deliverables, schedules and conflicts.
Reported regularly to managers on project budget, progress
and technical problems.
Created the user's panel using React.js, TailwindCSS,
Bootstrap and so on.
Created the endpoints using Node.js, web3.js, ethers.js,
Moralis api, Chainbase api and so on.
Developed the smart contract such as Token smart contract,
NFT smart contract, NFT marketplace smart contract using
solidity.
Mar, 2023 - Jul, 2023
•
4 months
Frontend & Backend Developer
Sep, 2022 - Jun, 2023
•
9 months
Dcentral.me
Sep, 2022 - Jun, 2023
•
9 months
Collaborated with game designers, artists and testers to
ensure quality product delivery.
Created and updated the frontend components based upon
design ideas using such programming languages as
JavaScript, Next.js, React, TypeScript, Firebase, wagmi,
TailwindCSS and MUI.
Created the serverless api using Node.js, web3.js, ethers.js,
Moralis, Alchemy, Chainbase, Opensea, Prisma, PostgreSQL
and AWS
Sep, 2022 - Jun, 2023
•
9 months
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