René Wick
Developer
Experience
Developer, Consultant
As part of a project, several existing online calculators and forms were converted to BFSG-compliant accessibility. Technologies used were JavaScript and CSS on the client side and .NET with C# and XML on the server side. My tasks included both frontend and backend development combined with consulting. I was mainly responsible for adjusting UI components and ensuring full screen reader compatibility. Other requirements included mobile optimizations (responsive design), code stabilization, refactoring, and bug fixing.
Developer
As part of an in-house project, a server-side Node.js application was created to automatically detect and analyze new freelance project offers.
The application runs on its own Linux server (cPanel) and checks several platforms daily, such as XING, Freelancermap, Freelance.de, and LinkedIn for new projects.
It works on a cookie basis, uses HTML scraping, and processes data in a SQLite database.
Optionally, an email notification is sent for relevant matches.
Technical challenges: session handling without Puppeteer, HTML data extraction with Cheerio, processing non-standardized data sources, filtering, deduplication, and categorization of results.
Developer, Consultant
Further development of an application for creating quotes for customers in medical technology.
Frontend with Angular 14/19 and TypeScript, backend with .NET Core 8.0 and C#, Power Automate/Power Apps flows.
Responsible for Word generation using Open XML, PDF conversion, complete approval process, adjusting flows, and creating the quote in Dynamics CRM.
Other tasks: Angular upgrade to version 19, introduction of multilingual support, mobile optimizations (responsive design), code stabilization, refactoring, and performance optimization.
Developer, Consultant
Migration of the frontend of an e-health and telematics infrastructure application to the latest Angular version.
Redevelopment from version 7 to 16 with Angular Material 16, TypeScript and Tailwind CSS.
Removal of NgRx state management and custom components, integration of a custom UI framework for reusability.
Tasks: developing UI components, extending and adapting the UI framework, migrating old pages and features, adjusting the backend, performance improvements, and coaching developers.
Developer, Consultant
Further development of an e-health and telematics infrastructure application.
Client with Angular 7 and TypeScript, server with ASP.NET and C# including SQL database.
Responsible for stability and performance, bug fixing, and development of new features.
Developer, Consultant
Developed an application for creating quotes in medical technology.
Data entry interface with approval process, integration with Power CRM, SAP, SQL and SharePoint, generating quotes in Word and PDF.
Frontend with Angular 13 and TypeScript, backend with .NET Core 6.0 and C#.
Responsible for UI implementation, data management, and Word document generation using Open XML.
Additional tasks: code stabilization, refactoring, and performance optimization.
Developer, Consultant
Further developed a booking system for lab demo events.
Client with AngularJS and TypeScript, server with ASP.NET MVC and C#.
Responsible for connecting mobile labs and UK Lab, preparing the application for migration to Angular 13.
Developer, Consultant, IT Architect
Developed a smart emergency bus service with incident management, company and vehicle maintenance, and vehicle dispatch system.
Client side with Nx.dev, Angular 11 and TypeScript.
Tasks as Lead Developer: setting up the UI architecture, developing UI components, coaching developers, code stabilization and refactoring.
Developer, Consultant
Migrated Project Server 2010 to Project Online.
Used VBA, C# and SharePoint CSOM.
Tasks: developing scripts, performing the migration, and quality assurance.
Developer, Consultant
Developed a SAPUI5/Fiori-based system for document exchange in the industry.
Subproject for exchanging documents/data between client and suppliers with three web applications.
UI development, coaching and consulting, responsible for code quality through reviews and refactoring.
Developer, Consultant
Further development of a booking system for demo events in the lab.
Client with AngularJS 1.6 and TypeScript, server with ASP.NET MVC and C#.
Tasks: developing new features, adding users from new target groups, UI adjustments, Azure integration, interface modifications, code stabilization, refactoring, and performance optimization.
Developer, Consultant
Further development of an SAPUI5/Fiori-based customer portal for an existing SAP ERP/CRM system.
Providing SAP transactions in the browser (responsive), ordering services with status tracking, document exchange, and dashboard visualization.
UI development, coaching internal developers, consulting and developing a complex custom control.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (4 years), Healthcare (3.5 years), Professional Services (1 year), Biotechnology (0.5 years), and Manufacturing (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (7.5 years), Product Development (3.5 years), and Quality Assurance (0.5 years).
Summary
As a Senior full-stack developer focused on TypeScript, Angular, and C#, I build high-performance, scalable applications for modern web and enterprise solutions. I not only work on new developments but also optimize existing systems for long-term maintainability and flexibility.
I advise on software architecture, technology selection, and best practices to strategically align projects. My focus is on modular, sustainable, and customizable solutions for complex requirements.
With analytical thinking and a quick grasp, I dive into new technologies quickly. I value a structured, solution-oriented approach and clear, transparent communication to deliver economically sound results.
Skills
Technical Focus**
Frontend: Javascript, Typescript, Angular, Rxjs, Bootstrap, Tailwind
Backend: C#, Asp.net, .Net Core, Entity Framework
Cloud & Devops: Azure Devops, Ci/cd
Roles**
Software Developer
It Architect
Consultant
Detailed Skills**
Agile Methods: Scrum, Xp, Ci/cd
Architecture Patterns: Client-server, Mvc, Mvvm, Microservices, Serverless Architecture
Frontend: Angularjs, Angular, Angular Material, Rxjs, Bootstrap, Tailwind, Sapui5/fiori, Jquery, Electron, Ionic, Nx.dev, Html, Css, Svg, Less, Sass, Xml, Progressive Web App (Pwa), Markdown
Backend: .Net, .Net Core, Asp.net (Mvc, Razor), Entity Framework, Node.js
Cloud & Devops: Azure (Services, Devops, Logic Apps), Aws
Data & Apis: Rest, Sql Server, Odata
Authentication & Security: Msal (Azure Ad), Oauth
Testing: Cypress, Jest, Mstest, Mocha, Chai
Microsoft & Business Solutions: Sharepoint, Power-crm, Power Automate/power Apps, Open Xml
Development Tools: Visual Studio, Vs Code, Rider, Webstorm
Version Control: Git, Github, Bitbucket
Project Management & Communication: Jira, Confluence
Api-testing & Debugging: Postman, Browser-devtools
Ai-assisted Development: Chatgpt, Github Copilot
Other Skills**
Python, Docker, Kubernetes, Rabbitmq, Nedb (Mongodb), Postgresql, Mysql, Wordpress, Joomla, Php, Electron, Highcharts, Docxtemplater, D3.js, Ag-grid, Fullcalendar, Chart.js, Sheetjs, Exceljs, Blazor, Java, Spring
Languages
Education
Munich University of Applied Sciences
Diploma · Business Informatics · Munich, Germany
LBB
Bank Clerk (IHK) · Bank Clerk · Berlin, Germany
Profile
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