Hire the Best .NET Core Developers in Dublin, IE

I have over 18+ years of .Net Full stack developer experience across various domains such as financial services, Utilities, Energy and Retail. I have strong analytical, problem-solving, and attention to detail skills. I have performed coding, design, development and unit testing for software applications that are built on Web, Cloud, Mobile, Client-server model Architecture and event driven, distributed system, microservices architecture. Highly motivated, reliable, Productive, hardworking, Excellent Customer Satisfaction and proven ability to deliver high quality of work. Strong experience of working in Agile environment.

Need a reliable backend developer who can build scalable APIs, optimize performance, and deliver clean, maintainable code? I'm a Senior .NET Developer with 8+ years of experience building enterprise applications across banking, insurance, logistics, HR and tourism industries. I can help you with: ✅ ASP.NET Core applications ✅ REST API development & integration ✅ SQL Server design and optimization ✅ Entity Framework Core ✅ Clean Architecture & CQRS ✅ Performance optimization ✅ Bug fixing and legacy system improvements ✅ Unit testing and code quality improvements What clients appreciate about working with me: • Clean, production ready code • Clear communication and regular updates • Fast understanding of business requirements • Focus on long term maintainability, not quick fixes • Reliable delivery and ownership Whether you need a new backend system, API integrations, database optimization or support for an existing .NET application, I can help turn requirements into reliable software solutions. Let's discuss your project and find the best solution.

I am a hands-on, highly competent software developer with 15 years of experience. I take pride in coding to consistently high standards and regularly refresh my skills to ensure I keep up with ongoing developments. My full-stack knowledge allows me to manage the entire development lifecycle, from initial specifications to deployment. If needed I can provide you with multiple solution plans with appropriate estimates. I'm following key software development principles like SOLID or DRY and obsessed with leaving clean and maintainable code behind. I have years of experience with: - full-stack web development (.NET Core or Node.JS as the backend, Angular or React as the front-end) - AI integration and chatbot design - desktop application development - database design (MS SQL, Postgresql, MongoDB) - Microsoft Dynamics CRM and PowerApps solutions - deployment management and cloud computing (Azure, AWS, Docker, Kubernetes) I am fond of finding the most accurate and optimal solution for any request, and I hope you will be the next one to experience that with satisfaction. Let's discuss how I can help you achieve your goals.

I'm Keith, a senior software architect with over 20 years experience in the industry working with clients in the following sectors ➤Retail ➤Hospitality ➤E-Commerce ➤Business Process Automation & Workflow Automation ➤Construction ➤Education/University I pride myself on the quality of my work and love developing software and I am a bit of a perfectionist in this regard. I have acquired profound knowledge in this field and can propose the best possible tools and solution for projects. I work fast and am thorough and I'm looking forward to working with you. I have developed code for E-POS systems that runs on 200,000+ terminals across UK and Ireland. ✔Here is a short list of my proudest projects: ➤ Employee Management System [McDonald's Ireland], ... Key features: • Automates the on boarding of all new employees from date of first interview all the way through to first week training, this involves adding employee details to the software printing HR material, contracts, etc. • Once on boarded the system then tracks the employee progress and advises system mangers when training / verification is required at each work station [Front counter, kitchen, lobby, etc] • Employees schedule is also managed and automated where possible, an APP allows employees to request days off and management can review and approve. Tech Stack: ✔COM Interoperability - MS Office [Word, Excel and PowerPoint] ✔C# .Net 3.5 and upgraded to 4.6.2 ✔Android / B4X for Employee Mobile App ➤ Real Estate Management System [Ireland], ... Key features: • Automates the on boarding of all new proerties and tracks the lifetime of property from job requests, viewing schedule and bid history and acceptance • APP allows property owner to be updated along the way Tech Stack: ✔COM Interoperability - MS Office Documents [Word, Excel and PowerPoint] ✔C# .Net 4.6.2 ✔SQL Server ✔Android / XAMARIN for Mobile App ➤ Certified Payment Solutions with BP Oil, HTEC Oil, Shell Oil & Exxon Mobil [IRELAND / UK] • Single handed development for IFSF framework link to C++ and C# EPOS systems to facilitate payment and loyalty with the major oil vendors for the Retail sector in Ireland and the UK Tech Stack: ✔C++ ✔C# .Net 3.5 ✔WPF ✔TCP IP ➤ Project management, Systems Design & Lead Developer for Self-Checkout integration to EPOS and back office systems with NCR Tech Stack: ✔C++ ✔C# .Net 4.6.2 ✔TB / XML / Named Pipes ✔WPF ➤ Diagnostics Management • Created a solution that allowed support teams to view log data between multiple systems in a easy to view UML - Swimlane diagram. Won employee Innovation award for this! Tech Stack: ✔C# .Net 4.6.2 ✔WPF ✔SVG / PlantUML ********************************************************** ➤ And many many more... ********************************************************** ➤TECHNICAL SKILLS Languages: C#, C, C++, VB.Net, VB 6, VBA, Powershell [Expert] Java, Clipper, T-SQL, JavaScript, Python, Xamarin [Advanced] Frameworks / Tools / Tech / UI: .Net (all versions), XAML, WPF, MFC, Visual Studio (6, 2005, 08, 10, 12, 15, 19), Eclipse, VS Code, Brackets, Win Forms, SOAP, JSON, REST, WCF, Dev Express, PlantUML Database Systems: MS SQL Server, MS Access, MySQL, Oracle, SQLite, Firebase Configuration Management: Visual SourceSafe, Accurev, Git Code Review Tools Code Collaborator, Total Commander, WinMerge Other Skills: MS Office Suite (Word, Excel, PowerPoint, Access), VBScript, JavaScript, PowerShell, Enterprise Architect, UML, Web Sequence Diagrams, Biometric Development, Project Management, Android Development, RFID, Smart Cards

🎓 Master’s in Systems Architecture 💻 10+ years building production backend systems in .NET 🤖 AI integrations in C#/.NET: MCP, RAG, LLM agents, voice AI 🏥 Domains: medtech, e-commerce, AI products 🚀 Experience across enterprise (€1B+) and high-growth startups 👥 Led engineering teams of up to 20 developers I’m a Senior .NET Engineer building AI-powered backend systems. With 10+ years in production .NET, from €1B+ enterprises to unicorn startups , I focus on embedding AI directly into existing platforms. AI & LLM Integration - MCP servers connecting AI to your tools, APIs, and data - RAG pipelines: ingestion, embeddings, vector search - OpenAI, Azure OpenAI, Semantic Kernel integrations - Agentic workflows: tool-calling, reasoning, automation - Voice AI: real-time STT → LLM → TTS, webhooks, CRM sync Backend Engineering - Scalable APIs: .NET 8+, ASP.NET Core, REST, gRPC - Microservices: Docker, Kubernetes, Kafka, RabbitMQ, Redis - Observability: App Insights, Serilog, Prometheus, Grafana - Legacy modernization with clean architecture & testing - Performance: caching, async, background jobs Most AI engineers work in Python. I build natively in C#/.NET, so AI integrates directly into your stack. Need MCP, RAG, voice AI, or all three in production? Let’s talk.

A results-driven technical sales leader and trusted advisor, I specialize in guiding customers through complex Azure migrations, modernizing cloud architectures, and enhancing security postures. With deep expertise in cutting-edge Azure and modern workplace technologies. I am committed to delivering strategic, secure solutions that improve business outcomes. Experienced in migrating data from on-premises to the cloud, developing custom solutions for clients, and creating security and compliance policies. Passionate about providing expert technical support and delivering efficient project delivery. Possess the following certifications:Microsoft Azure Architect(Az 305), Microsoft Azure Administrator (Az 104), Microsoft 365 Identity and Services (MS 100), Microsoft Security, Compliance, and Identity Fundamentals (SC 900), Microsoft 365 Fundamentals (MS 900), Managing Microsoft Teams (MS 700) and Power Platform Maker (PL 1000. Seeking opportunities to leverage my skills and experience to provide expert technical support to organizations and help them succeed in their digital transformation journey.