Damian Chmielewski, Developer in Warsaw, Poland
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Damian Chmielewski

Verified Expert  in Engineering

Software Developer

Location
Warsaw, Poland
Toptal Member Since
February 18, 2015

Damian is an enthusiastic ASP.. NET和PHP开发人员，有超过十年的专业开发经验, mainly for the banking, transportation and insurance industries. His freelance work includes various technologies, 包括MS SQL数据库和使用JavaScript框架(如Angular)的前端层, React, or Vue.js.

Front-endFull-stackGitFlowASP.NETC#.NETCSSDatabasesTest-driven Development (TDD)jQueryjQuery UIVisual Studio 2012GitASP.NET MVC 3BootstrapAngularJS

Portfolio

Sterlingbuild Ltd
.. NET、c#、XML、Git、模型视图控制器(MVC)、Scrum、MySQL...
looking4
Entity Framework, Entity Framework Core, .NET Core, ASP.NET, APIs...
WSL Consulting
Chartist.js, Vue, ASP.NET, Full-stack, Front-end, Databases, Scrum

Experience

C# - 10 yearsASP.NET - 10 yearsASP.NET MVC 4 - 8 yearsjQuery - 8 yearsMicrosoft SQL Server - 7 yearsRazor - 6 yearsAngularJS - 5 yearsVue - 3 years

Availability

Part-time

Preferred Environment

Git, TFS, Visual Studio, Laravel, Laragon, Azure, Amazon Web Services (AWS), Azure DevOps, Microservices, .NET

The most amazing...

...我为我的家乡开发了一个基于遗传算法的交通控制应用. It improved car flow by 30%.

Work Experience

C#.NET Developer Expert

2022 - 2024
Sterlingbuild Ltd
  • 参与了许多重构过程，使这个项目不那么复杂.
  • Managed live releases and also configured pipelines.
  • 使用大量自定义配置重构执行到新服务器的完整迁移.
Technologies: .. NET、c#、XML、Git、模型视图控制器(MVC)、Scrum、MySQL, Microsoft SQL Server, JSON, JavaScript, CSS, HTML5, Bootstrap, Bootstrap 5

Full-stack .NET Developer

2020 - 2022
looking4
  • Managed and stabilized old ASP.. NET解决方案用于停车场预订系统，同时基于最新的AWS事件总线和 .net core API.
  • 实现新功能并修复现有bug.
  • Managed and developed AWS DevOps deployment lifecycle.
  • 处理了在REST API中添加自定义屏幕的逻辑.
  • 为预订和支付构建了多个api之间的集成.
技术:实体框架，实体框架核心， .NET Core, ASP.NET、api、Amazon Web Services (AWS)、EventBus、全栈、前端、CSS、数据库、Scrum

Full-stack Developer

2020 - 2020
WSL Consulting
  • Rebuilt UI components.
  • Added a new Vue component.
  • Handled graphs and charts in the UI.
  • Adjusted styles according to designers' descriptions.
  • Fixed and optimized the back end.
Technologies: Chartist.js, Vue, ASP.NET, Full-stack, Front-end, Databases, Scrum

Owner

2019 - 2020
DCH Roots
  • Built a monitoring system for hospital procedures.
  • Managed the board UI based on Vue.js.
  • Built a .NET Core back-office REST API.
  • Developed a Node.js-based solution handling IoT.
  • Utilized VueSax as the main UI framework.
  • Built a PHP management UI.
  • Used Laravel for PHP maintenance.
  • Managed the UI of a site database hosted on MySQL.
Technologies: LiteDB, Entity Framework, Vue, Node.js, SignalR, .NET Core, Full-stack, Front-end, Databases

Full-stack Developer and Lead Developer

2019 - 2020
Shields CG
  • Built a REST API for a card game system.
  • Built hub infrastructure for SignalR messaging.
  • Built a test API for a card game in Vue.js.
  • Added new components in Vue.js.
  • Used Vuesax as a UI library.
  • Added a LiteDB-based database.
Technologies: React, LiteDB, SignalR, Vue, .NET Core, Full-stack, Front-end, CSS

.NET Developer

2019 - 2019
Wound Zoom
  • Built an app for highly specialized medical teams.
  • 将两个主要部分的旧结构从MVC重构为Angular.
  • 将数据上下文从过时的Hibernate迁移到最新版本的Entity框架.
  • Vastly improved app performance.
技术:实体框架，实体框架核心，Angular, React Native， .NET, Full-stack, Front-end, Databases, Scrum

Lead Full-stack .NET Developer

2017 - 2019
Wealth c.o.
  • 编写了一个维护大量财务信息的web项目.
  • 构建一个PDF和CSV解析器来收集事务信息.
  • Created a MVC .NET application for end-user use.
  • 为管理目的开发了一个WPF应用程序.
  • 设置基于Bitbucket和Azure的完整CI，以及设置Redmine.
技术:React, WPF, Angular， .. NET、模型视图控制器(MVC)、全栈、前端、CSS、数据库、Scrum

Full-stack .NET Developer

2017 - 2017
Illucian, LLC
  • Built a React and AngularJS-based front end.
  • Developed an auction portal for a big company.
  • Created a SignalR-based real-time experience.
  • Managed deployment workflow.
  • Utilized Entity framework.
Technologies: React, Angular, .NET, Full-stack, Front-end, CSS

Full-stack Developer

2016 - 2017
Arex Pharma
  • Prepared a REST API for internal and external purposes.
  • Developed code based on business logic.
  • Created Selenium and unit tests.
  • 创建了一种通用的方式来导入带有传输数据的文件.
  • Built an application based on MVC4 and Razor.
技术:REST api, SignalR，模型视图控制器(MVC)， .NET, Full-stack, Front-end, Databases

Back-end Developer

2015 - 2016
Focust Apps
  • 创建了一个后端Windows服务，用于将SQL Reporting service上传到Azure中的blob存储.
  • 构建一个处理与数据库通信的WCF服务器.
  • 导入从Azure Blob Storage上传CSV文件到应用程序内存的服务. The generic application is based on reflection.
  • 创建了一个评级工具，用于计算基于Azure WebJob的最佳发货价格.
  • Analyzed, refactored, and tested products.
技术:SQL Server报表服务(SSRS)， Microsoft SQL Server, Azure， .NET, C#, Full-stack, Front-end, CSS, Databases

.NET Developer

2015 - 2015
Compu Game
  • Worked with Scrum and Mercurial.
  • 创建了一个框架，用于处理分布式机器上的大量服务.
  • Implemented the back end for a service bus pattern.
  • Worked with Angular on the front end.
  • Maintained unit test-driven development.
技术:企业服务总线(ESB)、Angular、Mercurial .NET, Full-stack, Front-end

.NET Developer

2015 - 2015
LuxMed
  • 开发了一个基于ADO、Entity、Code First的数据层.
  • Created a front end based on Ext.js.
  • Extended and created new JavaScript methods.
  • 根据业务需求创建后端层.
  • 与SpecFlow一起领导TDD和BDD的短期培训课程.
Technologies: Ext JS, ASP.NET MVC, Full-stack, Front-end

Full-stack Developer

2015 - 2015
Discover FLA (via Toptal)
  • Extended the data layer using Entity framework.
  • Added new front-end functionalities.
  • 修改现有架构，提供最新版本 .NET features.
  • Implemented manual tests and JavaScript tests.
  • Created a RESTful application.
Technologies: Git, Entity, ASP.NET MVC, Full-stack, Front-end, CSS, Databases

.NET Developer, Team Leader

2013 - 2015
Cube ITG
  • 为一家使用MVC4开发的金融公司创建了一个大型应用程序.
  • 根据租赁协议、信贷等执行多项操作.
  • Developed a front end based on Knockout.js and some jQuery.
  • 基于本地存储库模式创建数据库层.
  • 领导一个四人小组，分析业务文档并创建技术文档. Assigned tasks.
技术:模型视图控制器(MVC)，击倒(Knockout).js), jQuery, Razor, ASP.NET, Full-stack, Front-end

.NET Developer

2012 - 2014
Fortress GB
  • Developed multiple applications to maintain stadiums.
  • 用Web Forms, MVC3和Windows Forms编写应用程序.
  • 使用jQuery和Ajax将每个应用程序实现为单页应用程序.
  • 在平板电脑上开发了一个小应用程序，供女服务员销售食品和饮料.
  • Worked on an MS SQL database. Created tables, procedures, functions, and indexes.
技术:Ajax, jQuery, WebForms, Telerik WebForms Controls, ASP.NET, Full-stack, Front-end

.NET Developer

2011 - 2012
PKO BP
  • Created back-end applications for HR.
  • 实现基于jQuery和Ajax的单页面应用程序.
  • Created a testing platform. Performed load tests using Visual Studio tools.
  • Assisted during deployment on the production servers.
  • Provided support for critical cases.
技术:Microsoft SQL Server，模型视图控制器(MVC)， jQuery, ASP.NET, Full-stack, Front-end

Gym Advisor

一个在线应用程序，让培训师和客户保持联系. 扩展的博客功能允许培训师与他人分享他们的经验. 客户可以安排与培训师的培训课程，并购买其他与培训相关的东西. The application was written in ASP.NET, using MVC4 technology and AngularJS.

Automatic Door Opener

A complete solution for a small office rental. 我是一个全栈开发人员，在基于树莓派的硬件上工作，用Python编码逻辑. Raspberry正在联系物联网设备以进行各种行为和监控. I built the API in .Net Core hosted on Azure and front-end in Vue.js for small management.
2023 - 2024

Bachelor's Degree in Marketing and management

Kozminski University - Warsaw

2013 - 2015

Master's Degree in Automation and Robotics

Wroclaw University of Technology - Wroclaw

2007 - 2010

机器人和自动控制系统工程学位

Wroclaw University of Technology - Wrocław, Poland

Languages

JavaScript, c#， HTML, CSS, TypeScript, T-SQL (Transact-SQL)， SQL, PHP, Python, XML, HTML5

Frameworks

Angular, ASP.NET MVC 4, AngularJS, ASP.NET, ASP.NET MVC 3, Bootstrap, .NET, .NET Core, ASP.. NET Core, Razor, SpecFlow, Angular Material, Laravel, Knockout.js), ASP.NET MVC, Entity, Windows Presentation Foundation (WPF)， React Native, Entity Framework Core, Ext JS

Libraries/APIs

SignalR, jQuery, jQuery UI, Vue, Node.js, React, REST APIs, Entity Framework, Chartist.js

Tools

Subversion (SVN), TFS, Git, Visual Studio 2015, Mercurial, Visual Studio 2013, Visual Studio 2012, LINQ to SQL, Microsoft Power BI, RabbitMQ, Microsoft Access, Visual Studio, SourceTree

Paradigms

Scrum, Test-driven Development (TDD), REST, Behavior-driven Development (BDD), Model View Controller (MVC), Azure DevOps, Automation, Management, Microservices

Platforms

Azure、Windows Phone 10、树莓派、Visual Studio Code (VS Code)、Amazon Web Services (AWS)

Storage

Azure SQL, Databases, Microsoft SQL Server, SQL Server 2014, MySQL, Web Forms, SQL Server Reporting Services (SSRS), LiteDB, Oracle 11g, JSON

Other

APIs, Front-end, GitFlow, Full-stack, Leadership, Games, Telerik WebForms Controls, Ajax, Enterprise Service Bus (ESB), Laragon, Software, Software QA, Machine Learning, Robotics, EventBus, Market Risk, Market Demand, IT Projects, Bootstrap 5

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