Orest Khrapko，美国宾夕法尼亚州沃灵顿镇的开发商
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Orest Khrapko

Verified Expert  in Engineering

Software Developer

Location
Warrington Township, PA, United States
Toptal Member Since
October 14, 2014

forest是一名高技能的高级开发人员/架构师，在系统设计和实现方面具有丰富的开发经验 .NET stack: C#, .NET Core, MVC, Web API, SQL, and Entity Framework. 他热衷于JavaScript和相关技术，如Angular、Vue.js, Ionic, jQuery, or Node.js. 他从头到尾打造了许多复杂的世界级产品, making every project he works on a success story.

Front-endMobile ApplicationsC#SQLHTML5REST APIsASP.NET MVCUnderscore.jsJSONCSSMobileIonicBootstrapGitTwilioIBM MQRequireJSKnockout.js

Portfolio

CardWorks
Microsoft SQL Server, .NET Core, ASP.NET MVC, JavaScript, C#...
Advertising Specialty Institute-ASI
Endeca, Elasticsearch, MongoDB, MySQL, Microsoft SQL Server, RequireJS...
ASI
SAML, Log4Net, StructureMap, Ninject, Entity Framework, RequireJS...

Experience

C# - 14 yearsASP.NET MVC - 8 yearsIonic - 6 yearsAngular - 6 yearsAzure - 5 years.NET Core - 4 yearsVue - 2 yearsReact - 1 year

Availability

Part-time

Preferred Environment

Azure, .. NET Core、Web API、Ionic、SQL、c#、JavaScript、Angular、Amazon Web Services (AWS)、React

The most amazing...

...我设计和开发的东西是复杂的SaaS应用程序.

Work Experience

Senior Enterprise Architect

2014 - PRESENT
CardWorks
  • Analyzed, upgraded, consolidated, and mapped enterprise applications, mobile strategy, and development.
  • 设计并实现了一个SaaS，以支持信用卡发起的新业务线. The main modules included credit bureau integration, identity verification, multiple pricing model support, multiple line assignment model support, and more.
  • 设计并开发了一个多租户移动应用程序.
Technologies: Microsoft SQL Server, .NET Core, ASP.NET MVC, JavaScript, C#, Mobile Development, Ionic, Angular, SQL, Bootstrap, Git, Azure, Twilio, Mobile, Mobile Applications, Amazon Web Services (AWS), REST APIs, Jira, TypeScript

Senior Enterprise Architect

2012 - 2014
Advertising Specialty Institute-ASI
  • 重新设计供应商的产品更新流程，将产品更新传播到所有下游系统的时间从24-48小时减少到接近实时. 流程简化允许淘汰大约15个辅助应用程序.
  • 用最新的技术构建了一个新的面向服务的框架, including MVC, HTML5, ASP.NET Web API, Entity Framework, Knockout.js, RabbitMQ, and RequireJS. 新的框架改进了上市时间、生产力和性能.
  • Designed and architected reviews, recommendations, 并批准开发冲刺中的所有变更. 评估建议的应用程序更改，并提出最优化的系统/更改实现和可重用性方法.
  • 使用OAuth2协议集成和设计有关ASI身份提供者的应用程序.
  • 帮助使用Jenkins建立持续集成服务器.
Technologies: Endeca, Elasticsearch, MongoDB, MySQL, Microsoft SQL Server, RequireJS, Knockout (Knockout.js)， AngularJS, jQuery, Ajax, REST, HTML5, Web API, ASP.NET Web Forms, ASP.NET MVC 4, ASP.. NET, c#， SQL, JavaScript, Angular, Bootstrap, Git, Azure, REST api

Architect

2009 - 2012
ASI
  • 创建了解决现代用户体验的专有应用程序框架, security, performance, flexibility, extensibility, scalability, 内容管理相关的问题需要支持用户和实现完全的跨产品集成.
  • 集成Oracle CRM单点登录，使用SAML和Oracle web服务进行客户信息集成.
  • 监督迁移到分布式版本控制(Git)的架构.
  • 在一个ESP网站项目中担任技术主管和架构师. 该产品允许分销商有一个功能齐全的电子商务网站在几个简单的步骤.
  • 通过重新设计和统一安全性，将框架新产品的上市时间缩短了40%, UI rendering mechanisms, and middle-tier object repositories, 并利用模块化方法进行开发，以提高代码的可重用性.
技术:SAML, Log4Net, StructureMap, Ninject, Entity Framework, RequireJS, Knockout (Knockout).js)， AngularJS, jQuery, Ajax, REST, HTML5, Web API, ASP.NET MVC 4, ASP.NET Web Forms, ASP.NET, C#, SQL, JavaScript, Bootstrap, Git, RabbitMQ, .. NET Core，架构，Web架构，REST api, Jira

Technical Lead

2007 - 2009
Advanta Business Services
  • 使用Provenir参与Advanta在线发行和承销系统的基础设施设计和实施, web services, Interwoven, and ASP.NET.
  • 使用Provenir设计并完成了Advanta承保流程的端到端设置和实施. This includes: infrastructure setup with MQSeries, Tomcat, LDAP, JRE, and more; Provenir software configuration with different adapters and third party hooks like credit bureau integration, address validation services, identity verification services; and integration with other systems in the Enterprise-like web, back office, and servicing platforms.
  • 为Provenir编码的承销工作流、脚本和适配器.
  • 使用ASP设计和开发各种web服务(SOAP)和网站.NET, ASP, ColdFusion and Interwoven (Java, XSLT, XSL).
  • 使用Java和web服务维护交织控制器层.
技术:XSL, XSLT, Apache Tomcat, Java, IBM MQ, MSMQ, Web Services, ASP.NET, VB.NET, C#, SQL, JavaScript, Bootstrap, Git

Senior Developer

2001 - 2007
Advanta Business Services
  • 维护和开发基于web的客户服务界面，用于信贷决策应用程序.
  • Developed various web services and websites.
  • Worked with a team to convert advanta.com to use the Interwoven CMS system.
  • 使用VB开发各种应用程序和支持工具.NET 2.0, 1.1, and VB6.
  • 修改、维护和升级Provenir的专有信用决策系统. 使用JavaScript和VBScript创建工作流、脚本和适配器.
  • 将应用程序和系统从Sybase升级到Oracle.
Technologies: Content Management Systems (CMS), WebSphere MQ, MSMQ, Ajax, JavaScript, XML, HTML, Adobe ColdFusion, Active Server Pages (ASP), ASP.NET, SQL, Git

Software Developer

1998 - 2001
Advanta National Bank
  • 使用Oracle web代理包开发web应用程序.
  • Created an online banking site for Advanta Bank Corp. using ASP.
  • Developed multiple reports using an SQR reporting tool.
  • 执行Oracle DBA任务，如备份、软件升级等.
  • 对现有财务软件进行Y2K修改.
技术:Visual Basic 6 (VB6)， SQR, Active Server Pages (ASP)， Oracle DBA, SQL, JavaScript

Languages

SQL, HTML5, c#， JavaScript, CSS, HTML, TypeScript, PHP, SAML, VB.. NET, XSLT, XSL, Active Server Pages (ASP)， XML, SQR, Visual Basic 6 (VB6)， Java

Frameworks

Angular, ASP.NET MVC, Ionic, Bootstrap, .NET Core, Kendo UI, Knockout (Knockout.js), JavaScript MVC, ASP.NET, ASP.NET MVC 4, ASP.NET Web Forms, AngularJS, .NET

Libraries/APIs

Stripe, RequireJS, Underscore.js, Vue, Entity Framework, REST APIs, AMQP, Sammy.js, React, Web API, jQuery, Log4Net

Tools

TFS, Git, StructureMap, Jira, Jenkins, Navicat, Bower, Webpack, Ninject, IBM MQ, Apache Tomcat, Adobe ColdFusion, Eclipse IDE, Babel, RabbitMQ, Amazon Simple Queue Service (SQS)

Platforms

Twilio, Azure, Mobile, Oracle, Amazon Web Services (AWS), Endeca, WebSphere MQ, LAMP, Linux, Amazon EC2, AWS Elastic Beanstalk

Storage

HTML5 Web Storage, JSON, Elasticsearch, Memcached, Membase, Redis, MySQL, Microsoft SQL Server, Oracle DBA, MongoDB, Amazon S3 (AWS S3)

Other

Software Development, Front-end, Mobile Applications, Ajax, Web Services, MSMQ, Content Management Systems (CMS), Computer Science, Mechanical Engineering, Architecture, Amazon RDS

Paradigms

REST, Mobile Development, Web Architecture

1998 - 2006

Bachelor of Science Degree in Computer Science

Drexel University - Philadelphia

1991 - 1993

机械工程副学士学位

Lutsk State Tech University - Lutsk, Ukraine

DECEMBER 2022 - DECEMBER 2025

AWS Certified Developer Associate

Amazon Web Services

OCTOBER 2022 - PRESENT

AWS Certified Cloud Practitioner

Amazon Web Services

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