Robert W. - Fullstack Developer

Go to Website

Chorzów, Poland

Experience

Jun 2025 - Present

3 months

Poland

Fullstack Developer

Equinix

Backend development with Java and Micronaut
Frontend development with React

Nov 2024 - May 2025

7 months

Poland

Fullstack Developer

Northmill Bank

Backend development with .NET 8
Frontend development with React and TypeScript
Designing distributed locking system based on DynamoDB
Implementing support for transactions in DynamoDB
Hosting solution on AWS with infrastructure as code using CloudFormation
Developing application according to Domain Driven Design methodology in a microservices environment
Technologies used: .NET 8, ASP.NET Core API, DDD, microservices, CQRS, React, TypeScript, TanStack Query, AWS, DynamoDB, S3, Lambda, ECS, CloudFormation, Datadog, Git

Jul 2023 - Sep 2023

3 months

Germany

.NET and ReactJS Fullstack Engineer

Gulp

Developed application for managing safety alerts in buildings
Implemented authentication with Azure Active Directory via OAuth2 protocol and MSAL library
Built backend with .NET 6 and ASP.NET Web API
Connected to ScreenCloud GraphQL API
Implemented frontend with React
Created CI/CD pipelines with Azure DevOps
Hosted system on Azure
Technologies used: .NET 6, ASP.NET Web API, ReactJS, Azure, Azure DevOps, Git, C#, TypeScript, GraphQL

May 2023 - Oct 2024

1 year 6 months

Poland

Fullstack Developer

Hays

Backend development with .NET 8 and Python
Frontend development with React, TypeScript, and WebComponents
Hosting solution on Azure and Google Cloud Platform
Developing application according to Domain Driven Design methodology
Implementing OCR and automatic document parsing with Azure Cognitive Services and Google Cloud Document AI
Training machine learning models to extract information from documents
Technologies used: .NET 8, ASP.NET Core API, DDD, CQRS, React, TypeScript, WebComponents, Azure, Azure Cognitive Services, GCP Document AI, Kubernetes, Git

Feb 2023 - May 2023

4 months

Germany

Frontend Developer

Reichhart

Developed WebComponents library for application use
Integrated WebComponents into ASP.NET MVC application
Technologies used: WebComponents, Lit, JavaScript, Shoelace, ASP.NET MVC, .NET 4.8, Node.js, Git

Jan 2023 - Apr 2023

4 months

Germany

.NET and ReactJS Fullstack Engineer

Gulp

Developed application for managing meeting room statuses
Implemented authentication with Azure Active Directory via OAuth2 protocol
Built backend with .NET 6 and ASP.NET Web API
Implemented frontend with React
Created CI/CD pipelines with Azure DevOps
Hosted system on Azure
Technologies used: .NET 6, ASP.NET Web API, ReactJS, Azure, Azure DevOps, Git, C#, JavaScript

Mar 2022 - Apr 2023

1 year 2 months

Germany

Fullstack Developer

Gulp

Developed API with .NET 6
Developed frontend web applications with React and Angular
Maintained cloud infrastructure in Azure and AWS
Created CI/CD pipelines with GitLab
Healthcare industry project
Technologies used: .NET 6, ASP.NET Core, React, MobX, Angular, D3.js, HTML, CSS, JavaScript, TypeScript, Node.js, Azure (Cosmos DB, Blob Storage, Indexers), OAuth, Keycloak, PostgreSQL, AWS (MongoDB), GitLab, Cypress

Nov 2021 - Jan 2022

3 months

Germany

Frontend Developer

Gulp

Developed Angular 13 frontend for billing application with PayPal integration
Integrated with Java API developed by another team
Technologies used: Angular 13, HTML, CSS, TypeScript, Node.js, Adobe XD, Jest, PayPal

Jun 2021 - Mar 2022

10 months

Katowice, Poland

Software Architect

Mentor Graphics

Developed REST API services with C# ASP.NET Core and Kotlin Ktor
Programmed infrastructure with HashiCorp Terraform
Aided the start of a new project for gathering electrical component data from manufacturers
Technologies used: .NET 5, C#, ASP.NET Core, ASP.NET Web API, Kotlin, Ktor, Docker, AWS (S3, Lambda, DynamoDB), Terraform, JetBrains Rider, IntelliJ, GitLab

Apr 2021 - Mar 2022

1 year

Germany

NodeJS Software Engineer

Gulp

Integrated existing Node.js application with SharePoint via Microsoft Graph API
Developed authentication with Azure Active Directory via OAuth2 protocol
Refactored application to apply ports and adapters architecture
Wrote Node.js scripts for data migrations between systems
Analyzed and eliminated potential security threats
Configured CI/CD pipelines with Azure DevOps
Technologies used: Node.js, Express.js, MS SQL, SharePoint, Azure Active Directory, Microsoft Graph API, Visual Studio Code, OAuth2

Apr 2020 - May 2021

1 year 2 months

Katowice, Poland

Lead Software Engineer

Hyland

Developed Cypress-based end-to-end test framework
Built extensible low-code micro-frontends framework for web applications
Developed web applications with Angular 10 and TypeScript
Hosted solution on AWS
Developed REST API with ASP.NET Core
Created CI/CD pipelines with Jenkins and Groovy
Set up application environment with Docker and Kubernetes
Technologies used: .NET Core 3.1, C#, ASP.NET Core, Entity Framework Core, PostgreSQL, AWS (S3, MongoDB), Angular 10, TypeScript, CSS3, Cypress, Jenkins, Groovy, Docker, Kubernetes

Apr 2019 - Mar 2020

1 year

Katowice, Poland

Lead Software Engineer

SopraSteria

Fullstack .NET development of 3D human organ visualization application for HoloLens 2
Designed microservices architecture with Azure tools
Implemented authentication via Azure Active Directory
Developed frontend with Angular 7 and React
Built REST API services in .NET Core 2.2
Worked with Cosmos DB and Azure Table Storage
Created CI/CD pipelines with Azure DevOps
Developed Umbraco CMS web application
Built data integration tool between SharePoint and Episerver
Mentored junior team members
Technologies used: .NET Core 2.2–3.1, C#, ASP.NET Core, Microsoft Graph API, Azure AD, Azure Queues, Azure Table Storage, Cosmos DB, DevOps, Angular 7, React, Node.js, CSS3, Umbraco, Episerver, SharePoint 2019

Dec 2018 - Mar 2019

4 months

Braunschweig, Germany

Senior .NET Programmer

Volkswagen Financial Services

Developed new features and maintained existing software library
Refactored legacy code applying SOLID principles
Improved legacy application architecture
Supported library users and resolved issues
Maintained SSO authentication library with Windows Federated Authentication over ADFS
Developed and maintained WPF desktop applications
Created PowerShell scripts for system administration
Integrated with SAP
Worked in multinational German-speaking environment
Utilized CI/CD on TFS
Technologies used: .NET 4.6, C#, WPF, ASP.NET Web Forms, MVC, Web API, NuGet, TFS, ADFS, WS-Fed, SAML, PowerShell, Git

Jul 2017 - Nov 2018

1 year 5 months

Katowice, Poland

Software Developer

IT Kontrakt

Member of Scrum team for retail business software
Developed single-page applications with Angular 4–6
Wrote frontend unit tests with Jasmine
Implemented authentication with IdentityServer 4 and Azure AD B2C
Worked with thermal printers and deployed on Azure
Technologies used: C#, .NET Core, ASP.NET Core, Web API, Entity Framework, OAuth2, Angular 4–6, TypeScript, IdentityServer 4, Git, TFS, Azure

May 2016 - Jun 2017

1 year 2 months

Łódź, Poland

Senior .NET Programmer

ABB

Maintained and developed power transformer calculation software
Member of Scrum team
Programmed in C# and VB.NET
Refactored legacy code
Developed WPF desktop application with Caliburn.Micro and Castle Windsor
Prepared unit tests with Microsoft libraries and Moq
Designed software for complex mathematical problems
Technologies used: C# 6.0, VB.NET, WPF, Caliburn.Micro, Castle Windsor, Moq

Jul 2015 - Feb 2016

8 months

Radzionków, Poland

IT Consultant

O&S Computer-Soft

Designed web application interfaces with AngularJS
Managed authentication and authorization for web apps
Prepared desktop application installers and Windows batch scripts
Solved critical technical issues
Developed Active Directory authorization
Technologies used: C# 4.5, ASP.NET MVC 5, EF, MySQL, JavaScript, jQuery, AngularJS

Jun 2014 - Apr 2016

1 year 11 months

Katowice, Poland

.NET Programmer / Architect

ING Bank Śląski

Developed and designed multitier banking system
Full responsibility for software lifecycle
Developed web apps with ASP.NET MVC, jQuery, JavaScript, Bootstrap
Created WPF client applications
Built web services with MVC Web API and WCF
Developed workflows with WWF
Used Entity Framework for data access
Wrote PL/SQL and T-SQL queries
Implemented IoC with Autofac
Prepared unit tests with Microsoft libraries and Moq
Managed Git repository and Jenkins CI
Led small team of developers
Developed Active Directory authorization
Technologies used: C# 4.5, ASP.NET MVC 5, EF, LINQ to SQL, WCF, Web API, WPF, Autofac, log4net, Moq

Jun 2013 - May 2014

1 year

Kraków, Poland

.NET Team Leader

Clifford Thames

Managed team of three .NET developers
Developed web apps with ASP.NET WebForms and MVC, responsive layouts with jQuery and Bootstrap
Built web services with Web API and WCF
Created data persistence engines with EF Code First migrations
Designed multitier applications
Implemented SSO with IdentityServer 2
Published reusable NuGet packages
Programmed T-SQL for SQL Server 2008
Applied TDD and Agile methodologies with NUnit and Moq
Implemented IoC with Autofac and logging with log4net

Dec 2012 - May 2013

6 months

Graz, Austria

Frontend Programmer

Joanneum Research Forschungsgesellschaft mbH

Developed web application with jQuery, jQuery UI, and HTML5 for video analysis
Created JavaScript controls for precise data analysis
Sole developer responsible for application architecture
Worked in international environment gathering requirements

Oct 2012 - Oct 2015

3 years 1 month

Poland

.NET Technologies Trainer

Altkom Akademia

Led professional trainings on C#, WPF, XAML, Prism, WCF, ASP.NET WebForms, MVC, EF, jQuery, AngularJS, AJAX, T-SQL, Visual Studio, TypeScript, Bootstrap

Oct 2011 - Dec 2012

1 year 3 months

Gliwice, Poland

.NET Developer

LGBS

Developed SharePoint 2010 WebParts and CRM applications with ASP.NET WebForms and jQuery
Built ERP application with ASP.NET MVC, Telerik MVC controls, and EF
Implemented AJAX and WebSocket features
Created WCF services for billing
Technologies used: C#, .NET, WebForms, MVC, SharePoint 2010, EF, WCF, jQuery

Jun 2010 - Sep 2011

1 year 4 months

Wrocław, Poland