Dmytro Malieiev, Developer in Lviv, Lviv Oblast, Ukraine
Dmytro is available for hire
Hire Dmytro

Dmytro Malieiev

Verified Expert  in Engineering

Software Developer

Location
Lviv, Lviv Oblast, Ukraine
Toptal Member Since
February 3, 2015

Dmytro拥有超过15年的软件开发经验, from front-end applications (desktop, mobile, 以及使用各种技术栈的web到后端解决方案. 他在大型分布式团队中作为团队领导和系统架构师获得了领导经验,并在各种规模的项目中作为个人开发人员展示了他的自我激励能力.

Availability

Part-time

Preferred Environment

Sublime Text, Jira, MacOS, Git, WebStorm, PyCharm

The most amazing...

...thing I built was a high-load, 美国最大的金融科技公司之一的逻辑计数器组件.

Work Experience

Senior Engineering Manager

2020 - PRESENT
Affirm
  • 在美国和波兰建立了公司的全球团队.
  • Created an API gateway with sophisticated caching, 通过避免不必要的呼叫外部数据提供商,每个季度节省高达1000万美元.
  • 将Affirm系统的一个核心组件从单体迁移到一个单独的微服务, significantly decreasing deployment time and process.
Technologies: Python, Python 3, Python API, SQL

Software Engineer

2019 - 2020
Patreon
  • Developed anti-fraud solutions.
Technologies: MySQL, Redux, React, Python

Mobile Developer

2018 - 2019
Joovv (via Toptal)
  • Refactored an old codebase.
  • Developed a mobile application with Bluetooth capabilities.
Technologies: Ionic, Angular, Cordova

Software Engineer

2018 - 2019
On Time Telecom (via Toptal)
  • Refactored the legacy codebase.
  • Added testing capabilities.
  • Developed a mobile application.
Technologies: Angular, Ionic, Cordova, Node.js

Software Engineer

2018 - 2019
Denizen
  • Developed a banking integration system.
  • 开发了一组处理不同事务类型的计划作业.
Technologies: MongoDB, Angular, Node.js

Software Engineer

2018 - 2018
Mediprocity (via Toptal)
  • Developed a HIPAA-compliant messaging solution.
Technologies: Ionic, Webpack, Node.js, Angular

Engineering Manager

2017 - 2018
Agoda
  • 开发用于验证交易的反欺诈解决方案.
  • 建立了Zendesk集成与业务流程的票创建.
  • Led and grew three teams of developers.
  • Built AI systems for feedback classification.
Technologies: Spark ML, Spark, Scala

Solution Architect

2015 - 2017
Epam
  • Led, designed, 并为世界上最大的运动器材制造商之一的市场部开发了一个大型门户网站.
  • 监督,设计,并建立了一个多层次营销公司的门户网站.
  • 为跨国公司编写软件架构课程.
  • Engaged in pre-sale activities.
Technologies: D3.js, Jasmine, Webpack, Gulp, Angular, AngularJS, JavaScript

Mobile Developer

2016 - 2016
Hazu (via Toptal)
  • Designed and developed new features for the application.
  • Fixed bugs and reviewed code.
Technologies: Firebase, Redux, Angular, TypeScript

Mobile Developer

2016 - 2016
25.TIME AS (via Toptal)
  • Architected the mobile application.
  • Refactored a legacy codebase.
  • Renovated architecture and fixed architecture issues.
  • Developed new features.
Technologies: PhoneGap, Ionic, JavaScript

Front-end Developer

2015 - 2015
Nect (via Toptal)
  • Designed the architecture for the mobile application.
  • Developed new features.
  • Planned and developed the CI process.
Technologies: PhoneGap, Ionic, JavaScript

Front-end Developer

2015 - 2015
Position Technologies, Inc. (via Toptal)
  • Developed an integration with Google Maps.
  • Refactored a legacy codebase.
  • 集成了新的端点并实现了应用程序的新功能.
Technologies: HTML, CSS, AngularJS, JavaScript

Mobile Competence Manager and Mobile Architect

2013 - 2015
N-iX
  • 为资产管理系统创建了一个移动应用程序. Mini-MEAP应用程序配置和工作流可以在后端通过自定义重新配置.
  • Managed internal mobile competence.
  • Conducted pre-sale support of the BizDev.
  • 创建一个内部门户,用于向iOS和Android平台分发移动应用程序.
  • 基于Ionic框架构建了一个用于资产管理的PhoneGap应用.
Technologies: BlackBerry, Python, Node.js, JavaScript, Windows Phone, Android, iOS, PhoneGap

R&D Engineer and Mobile Solution Manager

2011 - 2013
SoftServe
  • Integrated TFS in one of the biggest banks in the Ukraine. Migrated from TFS 2008 and built SDLC using TFS features.
  • 创建了一个使用Windows Phone 7、Azure和必应地图的应用程序. 该应用程序目前正在帮助紧急服务部门更快地找到路线,并使用实时交通更新.
  • 为美国最大的医疗机构构建了一个应用程序, 它现在帮助成千上万的诊所与实验室合作.
  • 将TFS集成到俄罗斯最大的银行电信之一. Migrated from SVN to TFS. Extended features of TFS with custom web services.
  • Developed the internal competence, pre-sale, consulting offerings development, presentations, consulting services, training procedures, architecture design, and more.
Technologies: TFS, Android, iOS, JavaScript, ASP.NET, MS Silverlight, Azure, .NET, C#

Technical Lead

2007 - 2011
SoftServe
  • 开发了一个包含49个应用程序的桌面应用程序集. 这些应用程序的主要任务是通过不同类型的网络协议(SNMP)监视网络活动和收集有关设备的信息, Telnet, etc.).
  • 编写了一个web应用程序,用于监控从桌面应用程序保存到数据库的数据. 这个web应用程序的主要任务是提供有关网络设备状态的更新数据, information, and router configuration files for the user. 还包括配置文件、节点等中的文本搜索功能. 此外,该项目需要对桌面应用程序进行重大更改.
  • 编写了一个监控网络设备的桌面应用程序, downloading their configuration files, re-configuring network devices, generating reports, and more.
  • Led the creation of webcasts for Microsoft: Ua. Ria-Shop and Azure. Ria-Shop is an online shop written fully on Silverlight 3.0 using DeepZoom and PhotoSynth technologies. Azure使用网络广播来显示Azure云平台的使用情况. IT shows how to use Azure Service Bus, Azure .NET services, Azure SQL services, and Twitter API.
  • 作为开发人员参加了Microsoft BizSpark 2009活动的离岸团队. (http://blogs.msdn.com/sanjayjain/archive/2009/10/07/microsoft-bizspark-incubation-week-for-windows-azure-atlanta-09nov09.aspx).
  • Built an application for the biggest brewery in the world. 该应用程序的主要目标是为不同级别的员工创建不同类型的报告. Implementation of complex BI was required.
技术:BizTalk, SharePoint, ActiveX, COM, Visual Basic 6 (VB6), Python, JavaScript, ASP.NET, C#, C++, .NET

Developer

2006 - 2007
SoftServe
  • 协助开发一个用于司法案件维护的CMS web应用程序. 该应用程序用于使公司的文档工作流程自动化.
  • 为车队管理解决方案编写了一个web应用程序,用于实时跟踪车辆. 该应用程序远程读取车载诊断细节数据,为最终用户提供一种简单的方法来分析数据,并通过提供额外的信息来分析问题,从而提高机械师的工作效率. Also, 用户能够在地图上跟踪车辆位置,并获得所选车辆的即时位置地址.
  • 构建了一个用于文档工作流自动化的桌面应用程序. 该应用程序被设计为使用托管在服务器上的web服务自动生成不同类型报告的过程.
  • 为web和桌面应用程序创建了一个图表组件. 它提供了标准的图表类型(列,气泡,线,点等).) as well as specialized types (gantt, kagi, renko, etc.). 它还提供了自定义图表、轴等视觉外观的能力.
  • 实现了提供状态功能的Jabber消息发送器, registers new users, sends messages, builds contact lists, etc.
技术:Visual Basic 6 (VB6), Microsoft SQL Server, ASP.NET, JavaScript, C#, .NET

My Kyivstar

http://play.google.com/store/apps/details?id=com.kyivstar.mykyivstar&hl=ru
乌克兰最大的移动运营商的移动应用程序.

WOG

乌克兰最大的加油站网络之一的移动应用程序.

Open Source Book about iOS Patterns

http://github.com/dimko1/ios_patterns
A book with description of GoF patterns for iOS Developers.

Languages

TypeScript, Python, JavaScript, C#, C++, Scala, CSS, HTML, Visual Basic 6 (VB6), Objective-C, Python 3, SQL

Frameworks

Flask, ASP.NET MVC, .NET, PhoneGap, Ionic, AngularJS, Angular, ActiveX, Jasmine, Spark, Redux, Windows Communication Framework (WCF), ASP.NET

Libraries/APIs

AngularUI, Node.js, Scikit-learn, Underscore.js, D3.. js, Spark ML, React, jQuery, Facebook API, Python API, REST API

Tools

Sublime Text 2, Mocha, MS Silverlight, TFS, WebStorm, Git, Jira, Sublime Text, Gulp, Webpack, WatiN, Grunt, PyCharm

Paradigms

MEAN Stack,面向对象编程(OOP),设计模式,REST,敏捷

Platforms

Firebase, Windows Phone 8, Xamarin, SharePoint, Azure, Windows Phone, BlackBerry, MacOS, Android, iOS

Storage

PouchDB, Microsoft SQL Server, MySQL, NoSQL, MongoDB

Other

Ajax, Cordova, Machine Learning, COM, BizTalk

2003 - 2009

Master's Degree in Applied Math

National University "Lvivska Polytechnica" - Ukraine