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As an experienced Senior Solutions Architect over 23 years' experience in IT, I enjoy the challenge of wide range techniques and large-scale complex integration projects. Certified System Architect of Java stack (Spring, Play, Scala) and Microsoft stack (.NET/.NET Core/C#/F#). Certified Microsoft Dynamic CRM. Recent years, NodeJS (Express, NestJS) becomes my first option to build backend Restful API. Strong hands-on experience from front-end (React, Angular and Vue) to back-end (AWS/Azure Cloud). I am passionate for best practice and an ability to communicate technical concepts to a wide audience including C-level, technical and business clients. I have a keen interest in business and finance, especially stock and forex market. Integrate the advanced AI with financial trading system (R/ML) is one of interesting things in my downtime.…As an experienced Senior Solutions Architect over 23 years' experience in IT, I enjoy the challenge of wide range techniques and large-scale complex integration projects. Certified System Architect of Java stack (Spring, Play, Scala) and Microsoft stack (.NET/.NET Core/C#/F#). Certified Microsoft Dynamic CRM. Recent years, NodeJS (Express, NestJS) becomes my first option to build backend Restful API. Strong hands-on experience from front-end (React, Angular and Vue) to back-end (AWS/Azure Cloud). I am passionate for best practice and an ability to communicate technical concepts to a wide audience including C-level, technical and business clients. I have a keen interest in business and finance, especially stock and forex market. Integrate the advanced AI with financial trading system (R/ML) is one of interesting things in my downtime.

Harry Ho

Full Stack Developer, Web Developer, Developer, +4

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As an experienced Senior Solutions Architect over 23 years' experience in IT, I enjoy the challenge of wide range techniques and large-scale complex integration projects. Certified System Architect of Java stack (Spring, Play, Scala) and Microsoft stack (.NET/.NET Core/C#/F#). Certified Microsoft Dynamic CRM. Recent years, NodeJS (Express, NestJS) becomes my first option to build backend Restful API. Strong hands-on experience from front-end (React, Angular and Vue) to back-end (AWS/Azure Cloud). I am passionate for best practice and an ability to communicate technical concepts to a wide audience including C-level, technical and business clients. I have a keen interest in business and finance, especially stock and forex market. Integrate the advanced AI with financial trading system (R/ML) is one of interesting things in my downtime.…As an experienced Senior Solutions Architect over 23 years' experience in IT, I enjoy the challenge of wide range techniques and large-scale complex integration projects. Certified System Architect of Java stack (Spring, Play, Scala) and Microsoft stack (.NET/.NET Core/C#/F#). Certified Microsoft Dynamic CRM. Recent years, NodeJS (Express, NestJS) becomes my first option to build backend Restful API. Strong hands-on experience from front-end (React, Angular and Vue) to back-end (AWS/Azure Cloud). I am passionate for best practice and an ability to communicate technical concepts to a wide audience including C-level, technical and business clients. I have a keen interest in business and finance, especially stock and forex market. Integrate the advanced AI with financial trading system (R/ML) is one of interesting things in my downtime.

Available to hire

As an experienced Senior Solutions Architect over 23 years’ experience in IT, I enjoy the challenge of wide range techniques and large-scale complex integration projects. Certified System Architect of Java stack (Spring, Play, Scala) and Microsoft stack (.NET/.NET Core/C#/F#). Certified Microsoft Dynamic CRM. Recent years, NodeJS (Express, NestJS) becomes my first option to build backend Restful API. Strong hands-on experience from front-end (React, Angular and Vue) to back-end (AWS/Azure Cloud).

I am passionate for best practice and an ability to communicate technical concepts to a wide audience including C-level, technical and business clients. I have a keen interest in business and finance, especially stock and forex market. Integrate the advanced AI with financial trading system (R/ML) is one of interesting things in my downtime.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Tech Lead at IAG

November 1, 2025 - November 1, 2025

Led requirements elicitation and analysis across multiple domains; served as primary liaison between business, technical teams, and vendors; provided UAT support and production release assistance; identified and recommended improvements to replace inefficient midnight deployment processes.

Platform Innovation Lead at Alinta Energy

March 1, 2025 - March 1, 2025

Defined technical roadmap for multi-tenant Connect platform (F#/C#/React) to manage full-cycle energy connections; modernized micro-services architecture with event sourcing; leveraged Azure AI to optimize RPA processes; oversaw tech teams, vendor relationships, and ensured continuous delivery of high-quality Java solutions.

Engineering Manager, Tech Lead at Utility Software Services (USS) / ApplyDirect (AD1)

December 1, 2021 - December 1, 2021

Developed SaaS platform roadmap for cloud-based microservices (Java SpringBoot, Scala Play, Angular/React); built lean, high-performance team (8 dev, 2 BA); led Kubernetes migration to EKS/AKS with Terraform/Ansible, achieving 40–60% cost savings; modernized .NET stack to containerized micro-services with APIM; overhauled CI/CD to boost productivity by 50–80%.

Tech Lead, Senior Solution Architect at Reetek Pty Ltd.

December 1, 2018 - December 1, 2018

SaaS delivery: managed a 9-person dev team and 2 BAs to re-platform a desktop solution into a SaaS platform (C#/React) on Azure for the construction industry. Reduced engineer/architect workload from 60–80 hours to 2–3 hours through automation and design optimization. Provided integration consulting to enhance SaaS product with CI/CD and DevOps practices.

Lead Developer, Tech Lead at Mortgage Choice – HelpMeChoose Pty Ltd

September 1, 2015 - September 1, 2015

Mobile solution: led a 6-person team to build a mobile web app (jQuery Mobile + Jersey) in 3 months. CRM migration from in-house C#/Angular to Dynamics CRM 2015; migrated systems to Azure, improving scalability and reducing downtime.

Co-Founder, Tech Lead at Zhishen Information & Technical Pty Ltd. (FinTech)

June 1, 2012 - June 1, 2012

Real-time trading platform with ML: managed a 12-person team to build a finance-trading platform (Java Spring + C# WinForms) in 14 months; developed trading strategies using R-based data mining and ML. SaaS CRM: created a Python Django-based CRM for trading brokers.

Team Lead, System Architect at Accenture

April 1, 2009 - April 1, 2009

Integration & modernization: integrated modern web applications (Java/C#/VB/VC) with Informix, 4GL, and Cobol systems. Training & mentorship: delivered technical training to enable global teams to adopt emerging technologies. Management: led a 6-person onshore/offshore team with SLAs.

Developer, SCM Coordinator at IFCA Consulting Group

March 1, 2006 - March 1, 2006

Framework development to support business growth; ERP modernization by migrating a PowerBuilder-based ERP to Java J2EE and ASP.NET web solutions.

Lead Developer at Alinta Energy

March 1, 2025 - March 1, 2025

Defined technical roadmap for multi-tenant Connect platform (F#/C#/React); leveraged Azure AI to optimize RPA processes and improve customer loyalty; modernized micro-services architecture using event sourcing; oversaw tech teams and vendor relationships; ensured delivery of high-quality Java-based solutions.