Janko不绝如缕，塞尔维亚贝尔格莱德的开发者
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Janko不绝如缕

验证专家  in 工程

软件工程师和Web开发人员

Location
贝尔格莱德,塞尔维亚
至今成员总数
2018年7月27日

Janko is a software engineer and architect specializing in blockchain and focusing on decentralized finance and self-sovereign identity (SSI). 他在比特币领域有多年的经验, Ethereum, Quorum, Fabric, Tendermint, 宇宙blockchains, 以及Hyperledger Indy和Aries SSI解决方案. Janko最近应用了现代分布式系统, 密码学, 和区块链理论来解决ssi相关问题.

分布式系统Python区块链GoEthereumCryptocurrencyBitcoinIPFS关系数据库AgileHyperledgerSolidityDockerCassandraKubernetesQuorum比特币的专家TendermintErlangPyramidRust

Portfolio

Pocket
超级账本，超级印第，区块链
亚利桑那州立大学袖珍大学技术办公室
区块链，分布式账本，Web3.js, Hashgraph
404年出版
JavaScript、节点.js，有向丙烯酸图(DAG)，智能合约...

Experience

Python - 8年区块链- 5年智能合约——4年稳定性- 3年Go - 3年超级账本——3年IPFS - 1年锈- 1年

Availability

Full-time

首选的环境

Git, Erlang, Rust, Go, Python, Linux，区块链

最神奇的...

...我参与的一个项目是安全的, enterprise-level crypto wallet with tagging features for searching and filtering encrypted records.

工作经验

区块链和SSI工程师

2020年至今
Pocket
  • Created self-sovereign identity (SSI) wallet that stores students' verifiable credentials.
  • Wrote back-end system for issuing verifiable credentials to institution's users.
  • Designed and researched self-sovereign identity libraries to use.
技术:Hyperledger, Hyperledger Indy，区块链

DLT工程师

2020 - 2023
亚利桑那州立大学袖珍大学技术办公室
  • Built a web service that integrated Hyperledger白羊座 and the university's system, allowing it to issue verifiable credentials to its students.
  • Guided the SSI implementation process of the entire project.
  • Built several proof-of-concept applications that showcase the usage of verifiable credentials in education.
技术:区块链、分布式账本、Web3.js, Hashgraph

区块链工程师

2020 - 2020
404年出版
  • 致力于开发新DAG平台的功能.
  • 改进了DAG平台的钱包功能.
  • 创建了允许更智能DAG节点的触发机制.
技术:JavaScript、节点.js，有向丙烯酸图(DAG)，智能合约, 以太坊智能合约

区块链工程师

2020 - 2020
向前边
  • Worked on picking the correct blockchain technology for the client's needs.
  • Implemented a prototype on the Tendermint blockchain platform.
  • Wrote integration services in Golang, which serve as a blockchain's outer layer.
Technologies: Tendermint, Go, 聪明的合同, 以太坊智能合约

区块链工程师

2019 - 2020
Pharmwerks
  • Worked on designing the prototype for a platform on top of blockchain in the pharmaceutical industry.
  • Developed prototype smart contracts on Ethereum, using Solidity.
  • 用Python编写了一个与以太坊集成的引擎.
Technologies: Quorum, Ethereum, Python, 聪明的合同, 以太坊智能合约

区块链架构师

2018 - 2019
Tykn tech
  • 构建平台.
  • 使用Hyperledger和Python实现解决方案.
  • 与终端用户应用团队协调.
技术:Hyperledger, Python

高级区块链开发人员

2018 - 2019
6 . fusion(来自Toptal)
  • Wrote software in Go which interacts with a blockchain platform.
  • 使用Quorum平台.
  • 使用Docker和kubernetes进行部署.
Technologies: Solidity, Quorum, Ethereum, Go, 聪明的合同, 以太坊智能合约

扎实/区块链专家与Go经验

2018 - 2019
分形区块链(通过Toptal)
  • Contributed to software written in Go which interacts with Ethereum nodes (with geth nodes specifically).
  • Reviewed and improved smart contracts written in Solidity.
  • Reviewed and improved software interacting with the Bitcoin network.
Technologies: Go, Bitcoin, Ethereum, Solidity, 区块链, 聪明的合同, 以太坊智能合约

软件工程师

2018 - 2019
Evernym
  • Developed a secure crypto-wallet intended to be used for Hyperledger Indy.
  • 支持Indy-SDK项目.
  • Created proprietary software solving SSI-related problems on top of Hyperledger Indy.
  • Bulit a system of pluggable crypto-wallet storage back-ends which allows for enterprise-scale wallets.
技术:Hyperledger, Rust, Python

软件工程师

2016 - 2018
TeleSign
  • Developed the 号码发现平台 using Python and Gevent.
  • Extended the PhoneID product written in Python and Bottle.
  • 使用Python和Flask创建了一个url缩短服务.
  • 使用Python构建了一个数字停用产品.
技术:烧瓶，瓶.py, Gevent, Python

Web开发人员

2015 - 2016
BEST
  • 使用JSP编写了一个内部HR应用程序.
  • Refactored an internal voting system written in a custom in-house framework.
  • 支持并扩展了一个用JSP编写的内部论坛.
技术:Java、Python

Web开发人员

2012 - 2016
自由职业者
  • Wrote a web crawler and scraper using Python and Beautiful Soup.
  • Developed a custom content manager application back-end using Django.
  • 使用Python创建web微服务.
Technologies: Beautiful Soup, Jakarta Server Pages (JSP), Java, Pyramid, Django, Flask, Python

超级账本印第加密钱包

http://github.com/hyperledger/indy-sdk
Designed and developed a crypto wallet used in Hyperledger Indy.

这款钱包的一些特点:
1. mechanism for searching through encrypted entities using tags
2. multiple encryption keys using Elliptic Curve 密码学
3. pluggable storage system supporting enterprise-scale crypto wallets

Identity Solution for Red Cross Refugees on Top of Hyperledger Indy

Part of the team that designed and developed a solution for solving identity problems for the refugees in Red Cross centers. This was a part of 区块链gers 2018 Hackathon, which was held in Groningen, Netherlands

Multichain Tracker (区块链 Data Tracker and Aggregator)

This project allowed the user to track through a dashboard different blockchains (and possibly even private sidechains if they exposed correct APIs), 并且能够查看当前的数据, as well as track data (hashes) across several blockchains.

It integrated with most common blockchains (Bitcoin, Ethereum, etc.) through their APIs, and fed data through web sockets to a front-end dashboard.

基于以太坊区块链的奖励系统

Developed a part of a platform intended for rewarding loyal users of the platform and provide gamification, 使用Ethereum.

制药(来源和供应链区块链)

区块链 for tracking provenance and ownership transfers of pharmaceutical supplies. It was intended to function on an international level and enable easier tracking of transfers across international borders, 防止诈骗, 跟踪缺陷和不合适批次.

BEST使用的网站和Web应用程序

将一个旧的网站重新设计成一个现代的版本.

重构和扩展了内部应用程序.

号码发现平台

http://www.telesign.com/products/sms-api/
One of the key components of the SMS platform used to discover the best routes and providers for delivering an SMS.

电话显示服务

http://www.telesign.com/products/phone-id/
Developed and extended existing features for a Phone ID service. It is a service intended to provide sophisticated information for phone numbers.
2012 - 2016

软件工程学士学位

贝尔格莱德大学-贝尔格莱德，塞尔维亚

库/ api

漂亮的汤，礼物，瓶子.py, Node.js, Web3.js

Tools

超级账本Indy, Git，恒星SDK

Platforms

区块链平台, Ethereum, 区块链, Hyperledger, Kubernetes, Docker, Hyperledger织物, Linux, 常春藤Hashgraph

Frameworks

Tendermint, Pyramid, Jakarta Server Pages (JSP), Flask, Django

Languages

Go, Python, Solidity, Rust, Erlang, JavaScript, Java

Paradigms

并发编程，敏捷，函数式编程

Storage

关系型数据库，Cassandra, BigchainDB

Other

分布式账本技术(DLT), 分布式帐, 分散的应用程序, 分布式系统, 自我主权认同(SSI), 定向丙烯酸图(DAG), 应用密码学, 以太坊智能合约, 聪明的合同, Quorum, IPFS, Bitcoin, 点对点网络, Hyperledger白羊座, Cryptocurrency, 不可替代令牌(NFT), Hashgraph技术, EOSIO, EOS, 密码学, Hashgraph

有效的合作

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Work with your chosen talent on a trial basis for up to two weeks. 只有当你决定雇佣他们时才付钱.

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