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Hi, I'm Arthur Lau, a results-driven Software Engineer with over 5 years of diverse experience in full-stack development, specializing in C#, React, Next.js, and Flutter. I've had the opportunity to work across various domains like vending automation, ERP, IoT, and gaming, always striving to deliver scalable and secure systems that meet business needs. I enjoy collaborating with cross-functional teams and mentoring peers to maintain a high standard of technical craftsmanship. I'm passionate about building maintainable code and thoughtful architecture. Whether creating the first weighted vending machine system in Hong Kong or developing fun gamified experiences, I focus on blending technology with user-centric solutions. I'm excited to continue growing and contributing to innovative projects in the software development space.…Hi, I'm Arthur Lau, a results-driven Software Engineer with over 5 years of diverse experience in full-stack development, specializing in C#, React, Next.js, and Flutter. I've had the opportunity to work across various domains like vending automation, ERP, IoT, and gaming, always striving to deliver scalable and secure systems that meet business needs. I enjoy collaborating with cross-functional teams and mentoring peers to maintain a high standard of technical craftsmanship. I'm passionate about building maintainable code and thoughtful architecture. Whether creating the first weighted vending machine system in Hong Kong or developing fun gamified experiences, I focus on blending technology with user-centric solutions. I'm excited to continue growing and contributing to innovative projects in the software development space.

Arthur Lau

Full Stack Developer, Cloud Developer, Back-End Developer, +3

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Hi, I'm Arthur Lau, a results-driven Software Engineer with over 5 years of diverse experience in full-stack development, specializing in C#, React, Next.js, and Flutter. I've had the opportunity to work across various domains like vending automation, ERP, IoT, and gaming, always striving to deliver scalable and secure systems that meet business needs. I enjoy collaborating with cross-functional teams and mentoring peers to maintain a high standard of technical craftsmanship. I'm passionate about building maintainable code and thoughtful architecture. Whether creating the first weighted vending machine system in Hong Kong or developing fun gamified experiences, I focus on blending technology with user-centric solutions. I'm excited to continue growing and contributing to innovative projects in the software development space.…Hi, I'm Arthur Lau, a results-driven Software Engineer with over 5 years of diverse experience in full-stack development, specializing in C#, React, Next.js, and Flutter. I've had the opportunity to work across various domains like vending automation, ERP, IoT, and gaming, always striving to deliver scalable and secure systems that meet business needs. I enjoy collaborating with cross-functional teams and mentoring peers to maintain a high standard of technical craftsmanship. I'm passionate about building maintainable code and thoughtful architecture. Whether creating the first weighted vending machine system in Hong Kong or developing fun gamified experiences, I focus on blending technology with user-centric solutions. I'm excited to continue growing and contributing to innovative projects in the software development space.

Available to hire

Hi, I’m Arthur Lau, a results-driven Software Engineer with over 5 years of diverse experience in full-stack development, specializing in C#, React, Next.js, and Flutter. I’ve had the opportunity to work across various domains like vending automation, ERP, IoT, and gaming, always striving to deliver scalable and secure systems that meet business needs. I enjoy collaborating with cross-functional teams and mentoring peers to maintain a high standard of technical craftsmanship.

I’m passionate about building maintainable code and thoughtful architecture. Whether creating the first weighted vending machine system in Hong Kong or developing fun gamified experiences, I focus on blending technology with user-centric solutions. I’m excited to continue growing and contributing to innovative projects in the software development space.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Software Engineer at IVM Tech Limited

July 31, 2025 - July 25, 2025

Architected Hong Kong’s first weighted vending machine system using Next.js with Prisma, Flutter, and MSSQL, boosting annual profit by $4M+. Integrated Android POS hardware (Octopus) with serial GPIO control by Java and Kotlin, reducing input errors by 80%. Built admin portal on traditional machines for 100k+ users managing $1M+ monthly revenue by NestJS and MSSQL, EJS, HTML, CSS and jQuery. Automated CI/CD deployments on AWS and Azure by GitHub Actions and WSL, minimizing deployment time by 60%. Designed specifications across design and operation teams with 10+ smart fridge partners ensuring consistent interoperability. Led ERP modernization by migrating to .NET microservices with MSSQL, MQTT, Redis, React with Tailwind, reducing latency by half.

Software Engineer at Makeitfun Studio

August 31, 2023 - July 25, 2025

Constructed responsive SEO-optimized React + Next.js event websites serving 500k+ users, boosting reach by 45%. Designed scalable database schemas and business logic for 10+ projects via ExpressJS, MongoDB, Postgres, Docker, and Kubernetes. Delivered a POC on Mozilla Hubs, extending the open-source metaverse server with a real-time voting system (React, Elixir, WebRTC, ExpressJS). Programmed an AR Flutter app for a Disney-affiliated studio using MediaPipe and Vuforia in Unity and C# with 70k+ served customers.

Software Engineer at Flexsystem Limited

July 31, 2022 - July 25, 2025

Tailor-made ERP system modules (sales, inventory, procurement) for an international client with over 2M+ users using React and C# and ISAM. Created RPA by UIPath for stress and unit tests with Jest and Vitest, cutting repetitive task execution time by 50%.

Software Engineer at Excohk Limited

June 30, 2021 - July 25, 2025

Developed an OAuth2 booking system from React Native, Expo, Java EE, enabling personalized event experiences on 50+ large-scale cultural events. Implemented a temporal storage solution via DynamoDB and Firebase, improving responsiveness and visitor interaction reliability.

Full Stack Engineer at East Technology Limited

September 30, 2020 - July 25, 2025

Implemented UX on SPA website by PHP, jQuery, and JavaScript across 20+ business and educational domains. Developed a lightweight CMS using PHP, Apache, and phpMyAdmin, enabling customized page updates for non-technical users.

Backend Developer at Yunfeng Financial Group Limited

July 31, 2019 - July 25, 2025

Programmed and unit-tested Flask Server API of Youyu Smart Trade App using Python scripts towards MySQL.

Software Engineer at IVM Tech Limited

July 31, 2025 - July 25, 2025

Architected Hong Kong’s first weighted vending machine system using Next.js with Prisma, Flutter, and MSSQL, boosting annual profit by $4M+. Integrated Android POS hardware with serial GPIO control using Java and Kotlin, reducing input errors by 80%. Built an admin portal for 100k+ users managing $1M+ monthly revenue with NestJS, MSSQL, EJS, HTML, CSS, and jQuery. Automated CI/CD deployments on AWS and Azure using GitHub Actions and WSL, minimizing deployment time by 60%. Designed specifications with 10+ smart fridge partners for interoperability. Led ERP modernization by migrating to .NET microservices with MSSQL, MQTT, Redis, React with Tailwind, reducing latency by half.

Software Engineer at Makeitfun Studio

August 1, 2023 - July 25, 2025

Constructed responsive SEO-optimized React + Next.js event websites serving 500k+ users, increasing reach by 45%. Designed scalable database schemas and business logic for 10+ projects using ExpressJS, MongoDB, Postgres, Docker, and Kubernetes. Delivered a POC on Mozilla Hubs by extending the open-source metaverse server with a real-time voting system (React, Elixir, WebRTC, ExpressJS). Programmed an AR Flutter app for a Disney-affiliated studio using MediaPipe and Vuforia in Unity and C# serving 70k+ customers.

Software Engineer at Flexsystem Limited

July 1, 2022 - July 25, 2025

Custom-developed ERP system modules (sales, inventory, procurement) for an international client with over 2M+ users using React, C#, and ISAM. Created RPA with UIPath for stress and unit tests using Jest and Vitest, reducing repetitive task execution time by 50%.

Software Engineer at Excohk Limited

June 1, 2021 - July 25, 2025

Developed an OAuth2 booking system with React Native, Expo, and Java EE, enabling personalized event experiences for 50+ large-scale cultural events. Implemented a temporal storage solution using DynamoDB and Firebase, improving responsiveness and reliability in visitor interactions.

Full Stack Engineer at East Technology Limited

September 30, 2020 - July 25, 2025

Implemented UX on SPA websites using PHP, jQuery, and JavaScript across 20+ business and educational domains. Developed a lightweight CMS with PHP, Apache, and phpMyAdmin, enabling non-technical users to update pages easily.

Backend Developer at Yunfeng Financial Group Limited

July 31, 2019 - July 25, 2025

Programmed and unit-tested Flask Server API for Youyu Smart Trade App using Python scripts connecting to MySQL.