Serkan is available for hire

Serkan Kaplan

Verified Expert in Engineering

软件工程师和开发人员

Location

德国巴登-符腾堡州斯图加特

Toptal Member Since

March 4, 2021

Serkan是一位经验丰富的软件工程师，拥有17年的咨询和内部开发经验. For the last three years, 他一直在帮助世界各地的客户开发和改进他们的产品. 此前，Serkan曾担任不同公司和项目的顾问. As a software consultant, 他领导了多达10名开发人员的开发团队，并从事金融科技工作, employee relations, learning management, and eCommerce applications.

Portfolio

Toptal Client

Node.. js、以太坊、Solidity、Hardhat、ERC-20、ERC-721、MongoDB、PostgreSQL...

Harvey Nash

Java, Kotlin, Corda, Solidity, PostgreSQL, Spring Boot, MongoDB...

The Debtvision

Corda, Kotlin, Spring Boot，数字签名，软件架构...

Experience

Java - 13 years 软件架构——12年 Spring Boot - 8 years Smart Contracts - 7 years Blockchain - 7 years Solidity - 6 years Kotlin - 4 years Corda - 4 years

Availability

Full-time

Preferred Environment

MacOS, IntelliJ IDEA

The most amazing...

...在我七年的自由职业生涯中，我所取得的成就是设法保持100%的客户回头率.

Work Experience

自由区块链开发人员

2021 - PRESENT

Toptal Client

使用Solidity和Node为私人投资者开发了一个领先的交易机器人.js.
处理不同的SSI项目，并从一开始就帮助设计新产品.
构建支付网关，将现有支付平台与以太坊网络集成.

Technologies: Node.. js、以太坊、Solidity、Hardhat、ERC-20、ERC-721、MongoDB、PostgreSQL, Hyperledger Indy, Hyperledger Aries, Truffle, Blockchain, Smart Contracts, Ethereum Smart Contracts, Cryptocurrency, Python, Ethers.js, Web3.js, Git, NFT, Express.js, REST APIs, TypeScript, TypeORM, Bitcoin, 分散式金融(DeFi), Amazon Web Services (AWS), Amazon EC2, DApps, Avalanche, Full-stack, Technical Leadership, Leadership, Microservices架构, Polygon, Crypto, BNB Smart Chain, Auditing, Security, ÐApp, Terraform, Back-end, Geth (go-ethereum), Trading, Solana, Rust, Tokenomics, 分散自治组织(DAO), 以太坊虚拟机(EVM), Cryptocurrency Wallets, Apps

Blockchain Developer

2019 - 2021

Harvey Nash

从零开始开发一个SSI项目, 参与了Hyperledger Indy和Aries自概念和架构实施以来的所有阶段，以在两家德国大公司之间交换主数据和行业证书.
在与保守的客户打交道时，要树立敏捷的心态.
针对低信任度和价格波动的业务，在Corda上实施了价格和订单谈判系统.

Technologies: Java, Kotlin, Corda, Solidity, PostgreSQL, Spring Boot, MongoDB, Hyperledger Indy, Hyperledger Aries, 自我主权认同(SSI), Prototyping, Software Architecture, Zero-knowledge Proofs, Ethereum, JavaScript, Web3.. js，分布式账本，架构，R3 Corda, Node.js, ERC-721，智能合约，以太坊智能合约，REST api, Express.js, TypeORM, TypeScript, DevOps, Back-end, DB, Bitcoin, DApps, Full-stack, Technical Leadership, Leadership, Microservices架构, Auditing, Security, ÐApp, Geth (go-ethereum), Trading, Tokenomics, 分散自治组织(DAO), 以太坊虚拟机(EVM), Cryptocurrency Wallets, Apps

DLT Software Developer

2018 - 2019

The Debtvision

为一家成功的创业公司做出了贡献.
设计并开发了一个分散的系统来管理数百万欧元的贷款和与贷款相关的文件.
监督外部开发，并就安全问题咨询团队.

Technologies: Corda, Kotlin, Spring Boot，数字签名，软件架构, PostgreSQL, 分散的应用程序, System Architecture, Product Design, Distributed Ledgers, 分布式账本技术(DLT), R3 Corda, SQL, Express.js, REST APIs, Full-stack, Technical Leadership, Leadership, Auditing, Security, Back-end, Tokenomics, 分散自治组织(DAO), 以太坊虚拟机(EVM), Apps

Software Engineer

2016 - 2018

Harvey Nash

在授权证明(PoA)以太坊网络上开发戴姆勒股份公司和LBBW之间的贷款交易平台.
为梅赛德斯-奔驰汽车开发了一种环境奖励硬币，并开发了一款带有游戏化特征的移动应用程序.
帮助建立了一个新的团队, 形成优秀的团队文化, and hiring new colleagues.

技术:Solidity, Corda, Java, PostgreSQL, AngularJS, Android, Web3.js, Ganache, Hyperledger Sawtooth, REST, Ethereum Smart Contracts, Blockchain, Prototyping, Software Architecture, Requirements Analysis, ERC-20, Ethereum, JavaScript, R3 Corda, SQL, Node.js, Smart Contracts, Agile, Bitcoin, Full-stack, Security, Back-end, Geth (go-ethereum), Tokenomics, 以太坊虚拟机(EVM), Apps

联合创始人|软件开发

2010 - 2016

Bal Yazilim Limited

Managed a team of six. 该团队最初由初级开发人员组成, 但是经过一段时间和长时间的训练, 我为球队和他们的能力感到骄傲.
与大量不同的客户合作超过七年, 客户回头率100%.
带领核心团队为土耳其最大的GSM运营商开发在线培训平台.

Technologies: PHP 5, Java, JBoss Seam, Spring, Oracle 11g, MySQL, Android, Team Leadership, Software Architecture, Requirements Analysis, Customer Success, Startups, JavaScript, SQL, Node.js，全栈，安全，后端，应用

Experience

Debtvision DLT Schuldscheindarlehen平台

http://www.debtvision.de/debtvision/schuldschein-digital-end-to-end/

一个基于corda的应用程序，旨在改进多投资者环境中的贷款流程. 数字化所有流程，集成合格数字签名, 并将流程的时间从几周缩短到几天(技术上讲是几分钟)。.

Skills

Languages

Java, Kotlin, Solidity, JavaScript, SQL, TypeScript, PHP 5, Python, Rust

Frameworks

Truffle, Spring Boot, Angular, Hardhat, AngularJS, JBoss Seam, Spring, Express.js

Libraries/APIs

Web3.js, Node.js, REST APIs

Tools

IntelliJ IDEA, Ganache, Helm, Hyperledger Indy, Geth (go-ethereum), Gradle, GitLab CI/CD, Git, GitHub, Terraform

Paradigms

敏捷、REST、微服务架构、需求分析、DevOps

Platforms

MacOS, Corda, Kubernetes, Blockchain, Ethereum, Docker, R3 Corda, Hyperledger, Android, Hyperledger Sawtooth, Rancher, Amazon Web Services (AWS), Amazon EC2

Storage

PostgreSQL, MongoDB, Oracle 11g, MySQL, DB

Other

Software Engineering, IT Project Management, Software Architecture, Smart Contracts, Ethereum Smart Contracts, Cryptocurrency, 自我主权认同(SSI), Team Management, Team Leadership, DApps, Prototyping, System Architecture, Customer Success, ERC-20, Distributed Ledgers, 分布式账本技术(DLT), Architecture, Back-end, Avalanche, Technical Leadership, Leadership, BNB Smart Chain, Auditing, Security, Tokenomics, 以太坊虚拟机(EVM), Cryptocurrency Wallets, Hyperledger Aries, Digital Signatures, Zero-knowledge Proofs, ERC-721, TypeORM, 分散式金融(DeFi), Full-stack, Polygon, Crypto, ÐApp, Trading, Solana, 分散自治组织(DAO), Apps, 分散的应用程序, Product Design, Startups, Ethers.js，不可替代代币(NFT)，比特币

Education

2005 - 2014

计算机科学与工程学士学位

Yıldız技术大学-伊斯坦布尔，土耳其

Certifications

JANUARY 2019 - PRESENT

Corda Certified Developer

JUNE 2014 - PRESENT

专业Scrum Master 1

Scrum.org

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