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I'm Po Liu, a Senior Full-Stack Developer based in Dublin, Ireland with 8+ years of experience building web applications using Angular, React, .NET, and modern front-end technologies like JavaScript, TypeScript, HTML5, and CSS3. I enjoy creating clean, user-friendly interfaces backed by reliable backend systems across the full development cycle, from design and prototyping to architecture and deployment. I'm looking for a role where I can apply both my frontend and backend skills to deliver high-quality solutions for complex business problems.…I'm Po Liu, a Senior Full-Stack Developer based in Dublin, Ireland with 8+ years of experience building web applications using Angular, React, .NET, and modern front-end technologies like JavaScript, TypeScript, HTML5, and CSS3. I enjoy creating clean, user-friendly interfaces backed by reliable backend systems across the full development cycle, from design and prototyping to architecture and deployment. I'm looking for a role where I can apply both my frontend and backend skills to deliver high-quality solutions for complex business problems.

Po Liu

Web Developer, Full Stack Developer, Back-End Developer, +4

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I'm Po Liu, a Senior Full-Stack Developer based in Dublin, Ireland with 8+ years of experience building web applications using Angular, React, .NET, and modern front-end technologies like JavaScript, TypeScript, HTML5, and CSS3. I enjoy creating clean, user-friendly interfaces backed by reliable backend systems across the full development cycle, from design and prototyping to architecture and deployment. I'm looking for a role where I can apply both my frontend and backend skills to deliver high-quality solutions for complex business problems.…I'm Po Liu, a Senior Full-Stack Developer based in Dublin, Ireland with 8+ years of experience building web applications using Angular, React, .NET, and modern front-end technologies like JavaScript, TypeScript, HTML5, and CSS3. I enjoy creating clean, user-friendly interfaces backed by reliable backend systems across the full development cycle, from design and prototyping to architecture and deployment. I'm looking for a role where I can apply both my frontend and backend skills to deliver high-quality solutions for complex business problems.

Available to hire

I’m Po Liu, a Senior Full-Stack Developer based in Dublin, Ireland with 8+ years of experience building web applications using Angular, React, .NET, and modern front-end technologies like JavaScript, TypeScript, HTML5, and CSS3. I enjoy creating clean, user-friendly interfaces backed by reliable backend systems across the full development cycle, from design and prototyping to architecture and deployment.

I’m looking for a role where I can apply both my frontend and backend skills to deliver high-quality solutions for complex business problems.

Skills

Experience Level

Expert

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Expert

Work Experience

Software Engineer at Concentrix

March 1, 2025 - Present

Developed React-based web admin portal and backend services using Node.js and PostgreSQL, improving workflow efficiency and real-time capabilities.

Full Stack Developer at Andersen

December 1, 2024 - October 15, 2025

Designed and launched enterprise-grade React admin portals integrated with Django backends and PostgreSQL databases; implemented authentication flows, check-in systems, analytics dashboards, enabling better operational oversight.

Mobile & Web Developer at Diverge

March 1, 2024 - October 15, 2025

Launched 5+ Swift iOS apps on the App Store with an average 4.6+ rating; built React admin portals for real-time monitoring, push notifications, real-time chat, and shift management; optimized backend performance with Node.js and PostgreSQL, reducing API response times by 40%.

Software Engineer at Vention

December 1, 2019 - October 15, 2025

Developed Node.js and React web applications with PostgreSQL databases; participated in full software lifecycle including requirements, architecture, implementation, and QA; implemented CI/CD pipelines and automated testing.

Software Engineer at Concentrix

March 1, 2025 - Present

Developed React-based web admin portal and backend services using Node.js and PostgreSQL, improving workflow efficiency by 25%.

Full Stack Developer at Andersen

December 1, 2024 - October 15, 2025

Designed and launched enterprise-grade React admin portals integrated with Django backends and PostgreSQL databases.

Mobile & Web Developer at Diverge

March 1, 2024 - October 15, 2025

Launched 5+ Swift iOS apps on the App Store, achieving an average 4.6+ star rating.

Software Engineer at Vention

December 1, 2019 - October 15, 2025

Developed Node.js and React web applications with PostgreSQL databases.

Senior Full-stack Developer at Deloitte

September 1, 2015 - Present

Senior Full-stack Developer delivering scalable front-end and back-end solutions. Led React applications using functional components with hooks, Redux Toolkit for state management, TypeScript interfaces, and React Router v6 with lazy loading; implemented performance optimizations with React.memo and useCallback. Built Angular 12+ applications with RxJS, reactive forms, dependency injection, HTTP interceptors, route guards, and custom pipes/directives. Architected ASP.NET Core WebAPI with Entity Framework Core (repository pattern), DI, JWT authentication and role-based authorization, following clean architecture and SOLID principles. Developed Java Spring Boot services with Spring Security (JWT), Spring Data JPA, REST controllers, service layers, and transactional management. Implemented performance improvements such as virtual scrolling and bundle optimization; designed microservices with HTTP clients and message queues; created integration tests with xUnit and TestServer and unit test

Frontend Developer at National College of Ireland

January 31, 2013 - October 15, 2025

Frontend Developer focusing on cross-platform UI development. Built cross-platform mobile apps with React Native, optimized performance and accessibility. Architected scalable RESTful APIs using Node.js and .NET Core, enabling reliable data exchange. Created reusable React components and Angular modules, enhancing maintainability. Implemented Redux and Apollo for complex state management and real-time updates; led code reviews and agile processes; collaborated with cross-functional teams to design responsive user interfaces, contributing to a 25% improvement in user engagement metrics.

Full-Stack Developer at Camara

August 31, 2012 - October 15, 2025

Full-Stack Developer leading projects using Angular 12, React Native, and ASP.NET Core WebAPI. Implemented real-time chat for coaches and clients (SignalR) with Azure Blob Storage persistence. Developed Azure Functions for automated email/SMS notifications; integrated Single Sign-On with Azure Active Directory/B2C; established CI/CD pipelines using Azure DevOps and achieved high unit test coverage with XUnit and Moq.