Status: Offline
Jonathan D.
Rockwood, Canada
100%
Job Success
Top Rated Plus
Experienced Senior Full-Stack .NET Dev | Azure OpenAI Agents | SMB
$80.00/hr
Delivering enterprise-grade solutions at SMB-friendly costs
About Me
I'm a passionate .NET developer with 25+ years of experience in software development, including over a decade specializing in .NET. I thrive on solving complex challenges and creating robust, scalable applications that drive business growth. My career has been fueled by curiosity and the thrill of turning ideas into impactful digital solutions.
Why Partner With Me?
📈 Proven Track Record:
• Top Rated Plus on Upwork (10+ years)
• 100% job success rate across 40+ projects
• Multiple long-term client relationships (3+ years)
• Average project duration: 6+ months
🏆 Value Proposition:
• Minimizing initial cloud expenses while ensuring scalability
• Implementing proven architectural patterns for reliable solutions
• Delivering clean, maintainable code
• Providing clear technical leadership
• Prioritizing automated testing for quality and stability as projects evolve
• Strong communication skills, adaptability, and problem-solving abilities
Recent Success Stories
1. AI-Powered Chat Agents: Automate, Inform, and Engage! (see portfolio below)
Experience the future with our voice recognition and text-based AI chat. Get information or execute actions effortlessly.
The possibilities are endless. Explore my demos to see how seamlessly our chat and voice recognition can integrate into your existing websites or applications. Have a unique idea or specific requirement? I can develop custom features and functionalities tailored to your needs. Powered by Azure OpenAI LLMs that supports function calling such as GPT3-5, GPT-4, gpt-4o-mini, gpt-4o, o1, o1-mini, etc. and Microsoft's SemanticKernel.
Demos:
• Smart Home Automation Chat
• Effortless Pizza Ordering Chat
• Interactive GitHub Repository Chat
2. Automotive Industry Innovation (2024)
Developed an intelligent SMB solution document processing system for the automotive industry, featuring:
• Automated PDF analysis and data extraction
• Streamlined invoice generation workflow
• Reduced processing time from nearly an hour to a few minutes
• Eliminated manual data entry errors
3. Fintech Investment Platform Transformation (2022-2024)
Created a sophisticated enterprise software development for a fintech. It was a web application using Blazor WASM and .NET Core WebAPI:
• Secure B2B endpoints via Azure API Manager
• Integration with third-party financial services
• Reduction in operational costs due to optimized Azure cloud architecture
4. E-commerce Integration Hub (2020)
Developed a unified e-commerce platform that included:
• Real-time sports data provider API integration
• Automated print fulfillment system
• Secure payment processing
5. SignWriter Studio
Engineered a beta platform for the Deaf community, allowing for sign language article and dictionary publication. Integrated a unique symbol selection mechanism, overseeing the entire development process.
Technical Excellence
Architecture & Development
• Full-stack Developer .NET (C#, ASP.NET Core, Blazor, WPF)
• API design and API integration expertise
• Clean Architecture
• Functional programming for maintainable systems
• Automated testing for quality assurance
Cloud & Infrastructure
• Azure Serverless Technical Architecture (Static Web Apps, Functions, CosmosDB, API Management, Entra)
• Multi-cloud expertise (Azure, AWS, GCP)
• Database expertise (SQL Server, CosmosDB)
• DevOps & CI/CD automation
Modern Development Stack
• TypeScript/JavaScript, Angular, Vue.js
• Azure DevOps, Git for version control
• GitHub Copilot and AI tools for enhanced productivity
• Legacy System Modernization
Development Philosophy
• Functional programming approach for maintainable, testable code
• Clean Architecture principles to minimize technical debt
• Cost-effective cloud architecture design
Availability
• 30+ hours per week
• Core hours: 8 AM - 5 PM UTC-6 (flexible)
• Rates: $75-$120/hour, based on project complexity
Let’s Collaborate
Ready to turn your vision into a scalable, efficient reality? Contact me today for a no-obligation discussion on how I can help!
Work history
Work history
30 minute consultation
Mar 23, 2024
-
Mar 25, 2024
No feedback given
Private earnings
Senior Software Engineer
May 10, 2022
-
Apr 6, 2023
3.10
Private earnings
C# Desktop Software Maintenance
Jul 26, 2017
-
Sep 24, 2022
No feedback given
Private earnings
Ongoing management of existing .NET applications
Jan 7, 2019
-
Jul 18, 2022
No feedback given
Private earnings
Experienced backend developer needed for web application development fixes/updates.
Jun 21, 2022
-
Jun 27, 2022
No feedback given
Private earnings
Initial Phase - Discovery & Reparation
Aug 27, 2021
-
May 6, 2022
No feedback given
Private earnings
Javascript Developer
Nov 6, 2020
-
May 6, 2022
No feedback given
Private earnings
Develop a solution for SVG to PNG on Iphones
Oct 17, 2020
-
May 6, 2022
No feedback given
Private earnings
develop
Nov 23, 2020
-
May 6, 2022
No feedback given
Private earnings
Programmer
Sep 10, 2021
-
Nov 29, 2021
4.80
Private earnings
Specialized File Viewer and PDF Windows App
5.00
of 1 reviews
Oct 7, 2024
-
Present
Dec 22, 2024
5.00
"Johnathan is absolutely incredible. I have yet to give him a hurdle he can't clear. He is competent, capable, contientious and creative. Thank you for your great work!" Job in progress
Private earnings
Améliorations à un systèmde réservation en ligne ASP.NET
Dec 12, 2023
-
Present
Job in progress
Private earnings
C# Desktop Software Maintenance Round 2
Nov 23, 2023
-
Present
Job in progress
Private earnings
Full stack .NET [6/C#] Developer with Azure and Blazor
Jul 27, 2022
-
Present
Job in progress
Private earnings
ASP.NET/Azure/C# Developer needed for ongoing maintenance
Aug 30, 2019
-
Present
Job in progress
Private earnings
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Skills
Skills
- .NET Core
- Full-Stack Development
- Serverless Computing
- Blazor
- Azure Cosmos DB
- Microsoft SQL Server
- API
- ASP.NET Core
- Clean Architecture
- AI Agent Development
- AI App Development
- Azure OpenAI Service