Dan Field, Developer in Corby, United Kingdom
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Dan Field

Verified Expert  in Engineering

Full-stack Developer

Location
Corby, United Kingdom
Toptal Member Since
October 18, 2022

Dan是一名软件工程师和架构师，在消费科技领域的初创公司拥有近三十年的经验, web, eCommerce, mobile, Internet of things (IoT), Internet service providers (ISPs), telco, and blockchain industries. 他是一位创新者和技术领导者，具有跨多个行业工作的能力, technologies, and levels. 凭借开发新技术的丰富经验，Dan能够迅速适应新项目.

Back-endCloudFull-stackBig DataP2PBlockchain DesignDecentralized Finance (DeFi)CryptocurrencyPolygonSQLDatabasesJavaScriptREST APIsNode.jsMySQLSolidityBinance APIGethEther.jsERC-20TRONCassandraIMAPPolkadot

Portfolio

Freelance Clients
Web3.js, Ethers.js, Node.js, NestJS, Next.js, Solidity, Rust, Go...
Millenoki
Node.js、JavaScript工具链、Java、Cassandra、大数据、移动应用...
Verus.ai Ltd
以太坊，谷歌云，SQL, BigQuery, ETL, Timescale, PostgreSQL, TypeScript...

Experience

Node.js - 12 yearsTypeScript - 6 yearsEthereum - 5 yearsSolidity - 5 yearsSmart Contracts - 5 yearsBlockchain - 5 yearsWeb3.js - 5 yearsEthers.js - 4 years

Availability

Part-time

Preferred Environment

Hardhat, Solidity, TypeScript, Java, Node.js, Ethers.js, React, SQL, Visual Studio Code (VS Code)， Amazon Web Services (AWS)

The most amazing...

...我开发的项目是多种世界首创的技术, 包括视频优化服务和几个领先的区块链项目.

Work Experience

Full-stack Developer

2017 - PRESENT
Freelance Clients
  • 曾担任以太坊多个区块链游戏分散应用程序(dapps)的首席开发人员, TRON, Polygon, TomoChain, and IOST. 在Solidity中创建智能合约，在React中使用以太创建前端.js.
  • Developed Web3 front end utilizing React, web3.js, ethers.js和JavaScript与各种Solidity智能合约集成.
  • 编写AWS Lambda函数，将不可替代令牌(NFT)数据集成到Web3前端, 将区块链数据与MySQL和React前端集成.
  • 创建了以太坊第一个ERC-721游戏项目之一，一个具有游戏功能的可收集dapp.
  • Made several ERC-20 tokens with many unique features, including yield farming, stablecoins, and auto-locked stability controls.
  • 在L1和L2链上构建套利和自动交易dapp, 与各种去中心化交易所(DEXs)集成，并构建多个算法交易引擎.
  • Devised and managed DevOps for blockchain projects, including deployment routines, test routines, and continuous integration (CI).
  • Led several crypto infrastructure projects, such as decentralized finance (including DEX builds, staking, token builds, and yield farms), analytics, and NFT projects.
Technologies: Web3.js, Ethers.js, Node.js, NestJS, Next.js, Solidity, Rust, Go, JavaScript Toolchain, Hardhat, MySQL, PostgreSQL, APIs, Non-fungible Tokens (NFT), Decentralized Finance (DeFi), Utility Tokens, ERC-20, ERC-721, ERC-1155, Smart Contracts, Ethereum, Polygon, Binance API, Tron Blockchain, iOS TV, Infura, Truffle, Remix IDE, Geth (go-ethereum), Parity Polkadot, OpenEthereum, Bots, Trading, Software Architecture, Cryptocurrency, Blockchain Platforms, Digital Payments, Blockchain, Ethereum Smart Contracts, Cryptocurrency Wallets, Payment APIs, JavaScript, REST APIs, MongoDB, Amazon Web Services (AWS), React, Project Consultancy, Advisory, Tokenomics, Full-stack, Blockchain Design, Architecture, C++, Back-end

Chief Technology Officer (CTO)

2010 - PRESENT
Millenoki
  • 设计开发新的物联网安全管理平台，填补市场空白, 包括动手开发和管理所有软件和硬件工作.
  • 使用TypeScript、Nest为安全的物联网解决方案构建和设计了几个API端点.js, PostgreSQL, MySQL, and AWS.
  • Invented a unique mobile video compression service, a novel service able to compress video streams, 包括管理所有开发人员和海外开发团队.
  • 构思并推出了一种独特的移动数据压缩技术和应用程序，适用于iOS和Android.
  • 管理公司所有的技术创新和发明, 使公司能够发展和开发新的知识产权.
  • Created the development office, including hiring, management, and mentoring of all technical employees.
  • 为iOS和Android设计和开发数据保存应用程序.
  • 基于Apache Cassandra的大数据平台，为移动设备提供实时报表服务, Redis, and RabbitMQ.
  • 利用Java、Node开发实时大数据分析平台.js, Reddit, RabbitMQ, and Apache Cassandra.
Technologies: Node.js、JavaScript工具链、Java、Cassandra、大数据、移动应用, Databases, Cloud, Apache Kafka, Redis, RabbitMQ, MySQL, PostgreSQL, APIs, Blockchain, Python, Rust, Bots, Software Architecture, Digital Payments, Ethereum, Ethereum Smart Contracts, Payment APIs, JavaScript, Web3.js, Next.js, REST APIs, Microservices, MongoDB, Amazon Web Services (AWS), React, VPN, P2P, Project Consultancy, Advisory, Networks, Full-stack, Architecture, C++, Back-end

GCP and Ethereum Data Engineer

2022 - 2023
Verus.ai Ltd
  • Developed efficient Ethereum ETL routines, 为投资公司启用从区块0到当前区块的所有区块链数据处理.
  • 构建时间序列和关系数据库模型，有效地保存多个链的所有区块链数据, 允许人工智能和机器学习算法访问大型数据集.
  • 就各种大数据访问和分析问题提供咨询和建议.
  • 在TypeScript中开发了一个高速数据摄取管道, utilizing ORM for models and Postgres for data outputs. 将大量(tb)的CSV文件转换为快速分析数据库.
  • 在TypeScript中开发元数据丰富流程，利用各种api来丰富原始以太坊数据.
技术:以太坊，谷歌云，SQL, BigQuery, ETL, Timescale, PostgreSQL, TypeScript, Node.js, Google Cloud Platform (GCP), Google Cloud API, Project Consultancy, Advisory, Tokenomics, Blockchain Design, Architecture, Back-end

Founder | Chief Technology Officer (CTO)

2006 - 2022
ClearMyMail
  • 设计，开发，并推出了ClearMyMail，世界上唯一有保证的反垃圾邮件服务.
  • Developed custom simple mail transfer protocol (SMTP), post office protocol (POP3), 互联网信息访问协议(IMAP)服务，其中包括100%的反垃圾邮件保护.
  • 在最初的两年里，筹集了投资，并在30多个国家获得了付费客户.
技术:JavaScript，用户界面，MSSQLCE, SQL, Node.js, Email, POP3, IMAP, SMTP, Software Architecture, Digital Payments, Payment APIs, REST APIs, MongoDB, Amazon Web Services (AWS), VPN, Project Consultancy, Advisory, Networks, Full-stack, Architecture, C++, Back-end

One of Ethereum's First ERC-721 Collectible Games

我使用Solidity来构建定制的ERC-721智能合约和一个独特的Web3前端，它是完全交互式的, allowing players to interact with blockchain data, collect new NFTs, and earn Ethereum.

ERC-20 Algorithmic Token

我为币安智能链设计并开发了一种独特的算法代币. 它在智能合约中使用独特的算法，创建了一个没有上行空间的稳定底部. 为了构建这个项目，我使用了固体，硬帽和醚.js front end built with React.

Polygon MATIC Yield Farm and DEX

我为Polygon连锁店设计并建造了一个独特的产量农场和DEX. 它包括预售智能合约、定制ERC-20代币、收益农场和互换DEX. 该项目是为Polygon MATIC链上的客户启动的.

Crypto Gaming Dapp for TRON

我为TRON区块链设计并开发了一系列加密游戏智能合约, 在JavaScript和Web3中使用安全帽和Web3前端.js. The project was launched onto the TRON blockchain.

Languages

Solidity, TypeScript, SQL, JavaScript, Java, Rust, Python, Go, c++

Frameworks

Hardhat, NestJS, Next.js, Truffle, Parity Polkadot

Libraries/APIs

Node.js, React, Web3.js, REST APIs, Binance API, jQuery, Google Cloud API

Tools

JavaScript工具链，Remix IDE, BigQuery, VPN, RabbitMQ, Geth (go-ethereum)

Paradigms

Microservices, ETL

Platforms

Blockchain, Ethereum, Blockchain Platforms, Amazon Web Services (AWS), Apache Kafka, AWS Lambda, Visual Studio Code (VS Code), Google Cloud Platform (GCP)

Storage

PostgreSQL, Databases, Redis, MySQL, Cassandra, MongoDB, MSSQLCE, Google Cloud

Other

Ethers.js, Big Data, Cloud, APIs, Non-fungible Tokens (NFT), Decentralized Finance (DeFi), Utility Tokens, ERC-20, ERC-721, ERC-1155, Smart Contracts, Polygon, Infura, OpenEthereum, Bots, Software Architecture, Cryptocurrency, Digital Payments, Ethereum Smart Contracts, Cryptocurrency Wallets, Payment APIs, P2P, Project Consultancy, Advisory, Networks, Tokenomics, Full-stack, Blockchain Design, Architecture, Back-end, Mobile Apps, Tron Blockchain, iOS TV, Trading, User Interface (UI), Email, POP3, IMAP, SMTP, Stablecoins, Decentralized Exchanges (DEXs), Timescale

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