freiberufler Senior Full-Stack Engineer | C# .NET | Azure | TypeScript | Mobile | Modern Web | API | Clean Architecture auf freelance.de

Senior Full-Stack Engineer | C# .NET | Azure | TypeScript | Mobile | Modern Web | API | Clean Architecture

zuletzt online vor 3 Tagen
  • 70‐100€/Stunde
  • Linz
  • DACH-Region
  • de  |  en
  • 22.06.2026
  • Contract ready

Kurzvorstellung

Technical architect and software engineer with more than 10 years of experience in C#, ASP.NET Core, and modern web and mobile frameworks. I am skilled in designing modular systems, building cloud infrastructure on Azure.

Geschäftsdaten

 Freiberuflich
 Steuernummer bekannt
 Berufshaftpflichtversicherung aktiv

Qualifikationen

  • .NET-Entwickler9 J.
  • API-Entwickler9 J.
  • Microsoft Azure8 J.
  • ASP.NET4 J.
  • C# Developer9 J.
  • React (JavaScript library)
  • React Native
  • Software Architecture6 J.
  • Softwareentwickler11 J.
  • Typescript8 J.

Projekt‐ & Berufserfahrung

Mobile App Developer, React Native
CultureClub Kulturagentur, Remote
4/2025 – 12/2025 (9 Monate)
Medienbranche
Tätigkeitszeitraum

4/2025 – 12/2025

Tätigkeitsbeschreibung

Product scanning App for Android/iOS with AI integration (React Native Cross-Platform)
- Designed architecture and full implementation of cross-platform mobile app with React Native and Expo
- Integrated camera capture, gallery picker, AI-powered product recognition, in-app purchases
- Used MistralAI and OpenAI for intelligent product analysis
- In‑app monetization via a credit‑based purchase system for additional Scans
- CI/CD pipelines for automated builds, OTA updates, and release management
- Published to Google Play and Apple App Store

Eingesetzte Qualifikationen

Android, Android Developer, Google Cloud, iOS, iOS-Entwickler, Mobile Application Development, React Native, Reactive Programming, Typescript

Full-Stack Software Entwickler, Consultant, C# .NET Core
faktor 2 GmbH, Remote
7/2024 – 5/2026 (1 Jahr, 11 Monate)
IT & Entwicklung
Tätigkeitszeitraum

7/2024 – 5/2026

Tätigkeitsbeschreibung

- Provided architectural consulting and full‑stack implementation in C# .NET Core of a parking enforcement web platform enabling authorized users to report and fine illegally parked vehicles
- Built secure user flows, rights/role management, case management, and data persistence
- Delivered complete backend + frontend solution (Razor Pages, REST)
- Coordinated, supported other frontend developers, ensuring consistent implementation quality and smooth collaboration across the project

Eingesetzte Qualifikationen

Mysql, API-Entwickler, .Net, .NET-Entwickler, ASP.NET, Backend, C# Developer, Entity Framework, Front End, JavaScript, SQL, Typescript

Azure Consultant
velpTec GmbH, Remote
2/2023 – 4/2023 (3 Monate)
Dienstleistungsbranche
Tätigkeitszeitraum

2/2023 – 4/2023

Tätigkeitsbeschreibung

- Analyzed and optimized Azure cloud environments, improving performance, reliability, and cost efficiency
- Implemented automation and infrastructure improvements using PowerShell and C#

Eingesetzte Qualifikationen

C# Developer, Microsoft Azure, Windows Powershell

Full-Stack Software Engineer (Festanstellung)
coilDNA GmbH, Linz
11/2019 – 5/2026 (6 Jahre, 7 Monate)
IT & Entwicklung
Tätigkeitszeitraum

11/2019 – 5/2026

Tätigkeitsbeschreibung

- Developed, implemented and maintained C# .NET Core backend Services for product tracking data processing
- Engineered multi‑layered, modular backend systems aligned with Clean Architecture principles
- Designed Azure cloud infrastructure, IaC, including ACR, App Services, Azure Entra ID, Azure Container Registry
- Implemented CI/CD pipelines and automated deployment using Azure DevOps
- Introduced automated E2E testing using Playwright and integration with CI/CD
- Engineered multi-layered software solutions
- Developed Dashboard & Administration Web Portal (Razor Pages, MVC, REST, Angular)
- Delivered Cognitive Services solution enabling handheld devices to scan DotMatrix fonts and extract product data.
- Provided mentorship to a junior developer, guiding them in cloud services, improve code quality

Eingesetzte Qualifikationen

Business Software, .Net, Typescript, Infrastrukturarchitektur, Cloud-Services, .NET-Entwickler, Angular, API-Entwickler, C#, C# Developer, CSS (Cascading Style Sheet), Frontend Entwickler, JavaScript-Entwickler, Microsoft Azure, Software Architecture, Software Design, Softwaredokumentation, Softwareentwickler, Softwaretester, Windows Powershell

Full-Stack Software-Engineer, Consultant (Festanstellung)
Avocodo, Linz
9/2017 – 10/2019 (2 Jahre, 2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

9/2017 – 10/2019

Tätigkeitsbeschreibung

- Developed and integrated enterprise-grade solutions for KTM, maintaining consistent architectural standards
- Delivered REST/SOAP services and SQL integrations to support business operations
- Designed and implemented high-performance search capabilities for KTM DEALERNET by utilizing Apache Solr
- Contributed to the development of a work-order tracking system for Fronius
- Developed full‑stack features across C#, Java, ASP.NET, and Angular

Eingesetzte Qualifikationen

Java (allg.), Typescript, Apache Solr, .NET-Entwickler, .Net Framework (Microsoft), Angular, ASP.NET, C# Developer, Entity Framework, Microsoft Azure, Softwareentwickler

Software Reliability Engineer, Full-Stack Software Engineer (Festanstellung)
Webroot, Linz
4/2015 – 8/2017 (2 Jahre, 5 Monate)
IT & Entwicklung
Tätigkeitszeitraum

4/2015 – 8/2017

Tätigkeitsbeschreibung

- Developed REST APIs for a cloud-based antivirus platform, enabling secure, scalable integration for enterprise customers and third-party systems
- Designed and implemented monitoring solutions
- Built cloud infrastructure in AWS
- implemented infrastructure-as-code and deployment automation

Eingesetzte Qualifikationen

Amazon Web Services (AWS), API-Entwickler, Backend, Softwareentwickler, SQL

Software Engineer (Festanstellung)
IT | PRO Consulting & Software, Linz
7/2014 – 3/2015 (9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

7/2014 – 3/2015

Tätigkeitsbeschreibung

Designed and implemented Microsoft Dynamics CRM plugins to extend core platform functionality, enforce business rules, and automate key workflows

Eingesetzte Qualifikationen

.NET-Entwickler, C# Developer, Consultant, JavaScript, Softwareentwickler, SQL

Zertifikate

Microsoft Certified: Azure Developer Associate
2021

Ausbildung

Software Engineering
BSc
2017
Hagenberg

Über mich

Senior Full‑Stack Software Engineer with 10+ years of experience building secure, scalable applications using C#, .NET Core, ASP.NET Core, Azure, and modern web/mobile frameworks. I deliver clean, maintainable code, design modular backend systems following Clean Architecture principles, and build high‑quality frontends that perform in production. I am skilled in cross-platform apps, enterprise integrations, Azure cloud services, CI/CD, DevOps, cloud infrastructure, AI-powered features and end‑to‑end software delivery for real‑world business environments.

Weitere Kenntnisse

C#, .NET, .NET Core, ASP.NET Core, Blazor, EF Core, REST, API, OAuth, SQL
React, React Native, Angular, Next.js,
Node.js Expo, TypeScript, JavaScript, HTML, CSS
Clean Architecture, SOLID, DDD, OOP, Microservices, Cloud-Native
Docker, Kubernetes, Azure, Microsoft Entra ID, CI/CD, DevOps, PowerShell, Infrastructure-as-Code
OpenAI, Anthropic, MistralAI
Unit Testing, Integration Testing, Playwright
Git, Agile, Code Reviews, Monitoring, Migration

Persönliche Daten

Sprache
  • Deutsch (Muttersprache)
  • Englisch (Fließend)
Reisebereitschaft
DACH-Region
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
Home-Office
bevorzugt
Profilaufrufe
86
Alter
39
Berufserfahrung
11 Jahre und 11 Monate (seit 07/2014)

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