罗马尼亚克卢日县克卢日纳波卡开发商Robert Doroftei
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Robert Doroftei

Verified Expert  in Engineering

Back-end Developer

Location
Cluj-Napoca, Cluj County, Romania
Toptal Member Since
June 21, 2022

罗伯特是一名软件架构师和后端开发人员，他花了超过15年的时间为金融科技领域的客户构建了几个功能, IoT, and VoIP spaces. Robert还拥有在所有以太坊兼容的区块链网络上开发web应用程序和智能合约的丰富经验. 罗伯特有企业家的心态，专注于把有前途的想法变成产品.

Back-endCryptocurrencyNode.jsSQLEthereumBlockchain PlatformsSolidityBlockchainTypeScriptExpress.jsMicroservicesRedisGoogle CloudMetaMaskWeb3.js

Portfolio

Domain Name Token
Ethereum Smart Contracts, Node.js, Microservices, Kubernetes, APIs...
Software Development Company
Node.. js, Clojure, MongoDB, MySQL，以太坊，以太坊智能合约...
Unitary, Inc.
Ethereum, TypeScript, Node.js, Smart Contracts, Blockchain, Solidity...

Experience

Node.js - 15 yearsRedis - 6 yearsStartups - 6 yearsEthereum - 6 yearsEthereum Smart Contracts - 5 yearsAlgorithmic Trading - 5 yearsSolidity - 5 yearsBlockchain - 4 years

Availability

Part-time

Preferred Environment

Startups, Ethereum Smart Contracts, Solidity, Node.js

The most amazing...

...我开发的产品是基于区块链的域名注册服务.

Work Experience

Smart Contract and Back-end Developer

2021 - PRESENT
Domain Name Token
  • 开发了一个web应用程序，允许在区块链上注册和管理域名.
  • Utilized the Atlassian Suite, e.g.， Jira和Confluence，以跟踪、管理和记录项目的开发.
  • 监督公司域名令牌从想法到推出的创建.
Technologies: Ethereum Smart Contracts, Node.. js、微服务、Kubernetes、api、不可替代令牌(NFT)、区块链、SQL、MetaMask、Web3.js, Architecture, DevOps, Express.js, Back-end, Jira, CCXT, Cryptocurrency, Blockchain Platforms, Smart Contracts, Software Architecture, TypeScript, Technical Leadership, Troubleshooting, Writing & Editing

Senior Back-end Developer

2015 - PRESENT
Software Development Company
  • 曾担任多家金融科技、物联网和VoIP公司的分包商.
  • Utilized the Atlassian Suite, e.g.Jira和Confluence，以跟踪、管理和记录多个项目的开发.
  • 与多个团队合作，建立和简化各种产品的开发流程.
Technologies: Node.. js, Clojure, MongoDB, MySQL，以太坊，以太坊智能合约, Web Consulting, Web App Development, Kubernetes, Non-fungible Tokens (NFT), Blockchain, SQL, MetaMask, Web3.js, Architecture, DevOps, Express.js, Back-end, CCXT, Cryptocurrency, Blockchain Platforms, Solana, Software Architecture, Technical Leadership, Google Cloud Platform (GCP)

Blockchain Developer

2023 - 2023
Unitary, Inc.
  • 开发与不同协议交互的智能合约.
  • 开发链上交易包含验证的智能合约，使用ZK Proof和脚本创建交易块包含证明.
  • Used the Linear app for project management and task tracking.
  • 是否为不同的任务和新特性进行后端开发.
Technologies: Ethereum, TypeScript, Node.js, Smart Contracts, Blockchain, Solidity, Ethereum Smart Contracts, Twitter API, MongoDB Atlas, Troubleshooting

Blockchain and Node.js Developer

2022 - 2023
Hemergy SAS
  • 架构和开发链上智能合约，用于跟踪能量流.
  • 为观看设计和开发链下微服务, managing, and processing API and smart-contracts interactions.
  • Tracked project progress and reporting using Jira.
Technologies: Blockchain, Solidity, Node.js, JavaScript, REST api，微服务，智能合约，Next.js, Web3.js, MongoDB, Amazon Web Services (AWS), Troubleshooting

Smart Contract Developer

2022 - 2022
Climate Cubes NFT
  • 使用白名单和薄荷支付功能实现了所需的NFT合约.
  • 与客户密切合作，开发必要的智能合约功能.
  • 集成MetaMask连接铸币功能到一个wix创建的网站.
Technologies: Ethereum Smart Contracts, Non-fungible Tokens (NFT), MetaMask, Solidity, JavaScript, Back-end, Cryptocurrency, Blockchain Platforms, Smart Contracts

Smart Contract Developer

2021 - 2021
Lemmings NFT
  • 使用不同的铸币功能实现所需的智能合约.
  • 创建测试以覆盖所有功能，并在网站上集成智能合约交互.
  • 与客户密切合作，开发智能合约的功能.
Technologies: Solidity, JavaScript, Web3.. js, MetaMask，后端，加密货币，区块链平台

Senior Back-end Developer

2014 - 2017
Merchant Cash Advance Platform
  • 为商家现金预支管理开发了一个网络应用程序，允许客户贷款并监控商家账户活动，以结算未偿债务.
  • 创建了白色标签商户现金预支平台的架构和系统.
  • 监督启动并维护多个商家现金预支系统，管理超过1000万美元的贷款.
Technologies: Node.js, Clojure, MySQL, APIs, Architecture, Fintech, Banking & 金融、Jira、软件架构、TypeScript、谷歌云平台(GCP)

Senior Back-end Developer

2007 - 2016
IT&C Company
  • 开发和维护用于管理、报告和计费用户电话分机的多个系统.
  • 创建了用于VoIP客户端管理的体系结构和系统，具有实时电话呼叫跟踪和api，可以在任何平台上集成点击呼叫.
  • 帮助创建了一个可持续和有利可图的业务，与超过10,000个客户合作.
Technologies: JavaScript, Node.js, Asterisk, Clojure, Architecture, DevOps, Express.js, Amazon Web Services (AWS), VoIP, Redis, MySQL, Jira, Software Architecture, Google Cloud Platform (GCP)

Market-making Service

A market-making service for pairs of cryptocurrencies.

我是做市策略的创造者和所有必要的微服务和工具的后端开发人员，这些微服务和工具是提高总交易量和服务利润所必需的.

Cryptocurrency Exchange

A wallet-to-wallet cryptocurrency exchange.

我是整个业务运营的联合创始人、后端开发人员和系统架构师. 我还构建了使用内部订单簿管理资产对资产交换的所有必要服务.

Arbitrage-trading Service

在多个加密货币交易所进行套利交易的服务.

我创建了基础设施，可以实时查看30多个加密货币交易所的多个交易对的订单簿，并能够抓住任何套利机会.

Risk 0 Investments

A risk 0 investment strategy on the blockchain.

我是整个系统中使用的智能合约的架构师和开发者. 我还构建了一个全功能的概念验证，部署在一个实时网络上.

Liquidator for Multiple Lending Protocols

在不同区块链网络上运行的多个贷款协议的清算系统. 我创建了从实时内存池手表到交易触发的数据流架构，并开发了智能合约，并使用闪贷清算抵押和不良账户.

Languages

Solidity, JavaScript, SQL, TypeScript, Clojure, Python

Libraries/APIs

Node.js, CCXT, Web3.js, REST APIs, Twitter API

Platforms

Ethereum, Blockchain, Blockchain Platforms, Google Cloud Platform (GCP), Kubernetes, Docker, Amazon Web Services (AWS)

Other

Ethereum Smart Contracts, APIs, Non-fungible Tokens (NFT), Back-end, Cryptocurrency, Software Architecture, Architecture, Smart Contracts, Technical Leadership, Troubleshooting, Startups, Algorithmic Trading, Lean Startups, Startup Funding, Computer Science, Web Consulting, Web App Development, Fintech, VoIP, Solana, Solid.js, Web Scraping, Writing & Editing

Frameworks

Express.js, Next.js, Scrapy

Tools

MetaMask, Asterisk, Jira, MongoDB Atlas

Paradigms

Microservices, Microservices Architecture, DevOps

Storage

Google Cloud, MongoDB, MySQL, Redis

Industry Expertise

Banking & Finance

2004 - 2009

Engineer's Degree in Computer Science

Technical University Gheorghe Asachi Iasi - Iasi, Romania

AUGUST 2020 - PRESENT

Startup Acceleration Program

Y Combinator Startup School

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