Senior Software Engineer AI | Dublin, Ireland
Transitioning from Enterprise .NET to AI Software Development
I'm a seasoned software engineer with 15+ years building scalable enterprise systems, now actively transitioning into AI Software development. My background includes architecting systems that serve millions of users at eShopWorld and founding VendorShop, the first Facebook commerce platform.
Currently pursuing a Professional Diploma in AI for Software Developers at University of Galway while building practical AI applications and testing enterprise migration strategies with Claude Code.
- AI Infrastructure: Building applications with OpenAI and Claude APIs
- Enterprise Migration: Testing Claude Code for .NET Framework → .NET Core 8 upgrades
- Academic Growth: Professional Diploma in AI for Software Developers (University of Galway)
- Research: Comparative analysis of AI-assisted code migration approaches
Enterprise Development
- Languages: C#, TypeScript, JavaScript, Python (learning)
- Frameworks: .NET Core, ASP.NET, Angular, Node.js
- Cloud: Azure (extensive), AWS (learning), Service Fabric
- Architecture: Microservices, Clean Architecture, Domain-Driven Design
- Integration: Kafka, REST APIs, WCF migration
AI & Modern Stack
- AI Platforms: OpenAI API, Claude API, Anthropic tools
- Development: Claude Code for enterprise modernization
- Frontend: React, TypeScript, modern JavaScript
- Data: SQL Server optimization, Entity Framework
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Market insights powered by people and driven by AI
essw (eShopWorld) (2013-2025) - Senior .NET Developer
Started as 5th developer, scaled through hypergrowth to unicorn
- Architected checkout systems serving millions of transactions
- Led migration from monolithic WCF to .NET Core microservices
- Implemented Kafka-driven architecture on Azure
VendorShop (2011-2013) - Founder & Lead Architect
First Facebook commerce platform
- 70,000+ merchants, $1M+ in sales generated
- Full-stack ASP.NET development and team leadership
- Secured funding from Enterprise Ireland and Realex
I'm actively transitioning from enterprise .NET development to AI infrastructure, combining my deep systems experience with modern AI capabilities. My goal is to work on infrastructure that makes AI accessible and reliable at scale.
Why AI Infrastructure?
- Proven Scaling Experience: Built systems handling millions of users
- Customer-Focused Engineering: Understanding of both technical and business requirements
- Migration Expertise: Successfully led multiple technology transitions
- Infrastructure Mindset: Deep appreciation for reliable, maintainable systems
- AI Development: Hands-on projects with OpenAI, Claude, and agentic platforms
- Academic Study: Professional Diploma in AI for Software Developers
- Practical Research: Testing Claude Code for enterprise legacy system modernization
- Technology Adaptation: Expanding from .NET/Azure to Python/AWS ecosystems
- LinkedIn: linkedin.com/in/tony-casey
- Email: tony [@] tony casey . com
- Location: Dublin, Ireland
- Open to: AI Infrastructure roles, technical discussions, mentoring opportunities
"Building the infrastructure that makes AI accessible and reliable for everyone"