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I am an experienced software developer and team lead with a strong background in cloud technologies, microservices, and secure authentication systems. My expertise spans multiple programming languages including Java, Python, and C++, and I have successfully led agile teams through complete project lifecycles. Currently, I am working as a Pod Captain and IT Developer where I innovate CI/CD pipelines and develop cloud reporting applications deployed on Google Cloud Platform. Aside from hands-on development, I have also contributed as a senior lecturer in polytechnic education, sharing knowledge in object-oriented methodology, data structures, algorithms, and user experience design. I am actively advancing my expertise through dual postgraduate certificates in Applied AI and Financial Analytics, focusing on machine learning and predictive analysis to stay ahead in the evolving tech landscape.…I am an experienced software developer and team lead with a strong background in cloud technologies, microservices, and secure authentication systems. My expertise spans multiple programming languages including Java, Python, and C++, and I have successfully led agile teams through complete project lifecycles. Currently, I am working as a Pod Captain and IT Developer where I innovate CI/CD pipelines and develop cloud reporting applications deployed on Google Cloud Platform. Aside from hands-on development, I have also contributed as a senior lecturer in polytechnic education, sharing knowledge in object-oriented methodology, data structures, algorithms, and user experience design. I am actively advancing my expertise through dual postgraduate certificates in Applied AI and Financial Analytics, focusing on machine learning and predictive analysis to stay ahead in the evolving tech landscape.

Min Shiung Chai

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

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I am an experienced software developer and team lead with a strong background in cloud technologies, microservices, and secure authentication systems. My expertise spans multiple programming languages including Java, Python, and C++, and I have successfully led agile teams through complete project lifecycles. Currently, I am working as a Pod Captain and IT Developer where I innovate CI/CD pipelines and develop cloud reporting applications deployed on Google Cloud Platform. Aside from hands-on development, I have also contributed as a senior lecturer in polytechnic education, sharing knowledge in object-oriented methodology, data structures, algorithms, and user experience design. I am actively advancing my expertise through dual postgraduate certificates in Applied AI and Financial Analytics, focusing on machine learning and predictive analysis to stay ahead in the evolving tech landscape.…I am an experienced software developer and team lead with a strong background in cloud technologies, microservices, and secure authentication systems. My expertise spans multiple programming languages including Java, Python, and C++, and I have successfully led agile teams through complete project lifecycles. Currently, I am working as a Pod Captain and IT Developer where I innovate CI/CD pipelines and develop cloud reporting applications deployed on Google Cloud Platform. Aside from hands-on development, I have also contributed as a senior lecturer in polytechnic education, sharing knowledge in object-oriented methodology, data structures, algorithms, and user experience design. I am actively advancing my expertise through dual postgraduate certificates in Applied AI and Financial Analytics, focusing on machine learning and predictive analysis to stay ahead in the evolving tech landscape.

Available to hire

I am an experienced software developer and team lead with a strong background in cloud technologies, microservices, and secure authentication systems. My expertise spans multiple programming languages including Java, Python, and C++, and I have successfully led agile teams through complete project lifecycles. Currently, I am working as a Pod Captain and IT Developer where I innovate CI/CD pipelines and develop cloud reporting applications deployed on Google Cloud Platform.

Aside from hands-on development, I have also contributed as a senior lecturer in polytechnic education, sharing knowledge in object-oriented methodology, data structures, algorithms, and user experience design. I am actively advancing my expertise through dual postgraduate certificates in Applied AI and Financial Analytics, focusing on machine learning and predictive analysis to stay ahead in the evolving tech landscape.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Malay

Advanced

Chinese

Intermediate

Work Experience

Pod Captain / IT Developer at Vosyn

May 1, 2025 - Present

Developed CI/CD pipeline with GitHub Actions and GCP using Google Artifact Registry. Developed Django Python application for cloud reporting using Google Client SDK, Microsoft Graph API and ReportLab.

Software Engineer and Product Consultant at Toppan Ecquaria Pte. Ltd.

December 1, 2021 - Present

Developed and deployed Java Spring Boot microservice applications on cloud and on-prem using Docker and Kubernetes (K8s, K0s and OpenShift) and databases (MySQL and MongoDB). Experience with REST API, Maven, Git, Jira and Jenkins. Managed product design and development to support government service provisioning of authentication, authorization, and onboarding to Singapore's national digital identity infrastructure for its citizens. Familiar with PKI and its use with OIDC and OAuth 2.0 for user authentication and authorization. Conducted seminars and pre-sales support for potential clients on sizing and cost.

Senior Lecturer at Nanyang Polytechnic

December 31, 2021 - July 23, 2025

Oversaw and crafted the program and assessments for the following modules: Object-Oriented Methodology (Python), Data Structures and Algorithms (Python), User Experience Design. Conducted R&D on blockchain technology and decentralized applications. Developed an Android mobile app connected to a private blockchain network hosted on Microsoft’s Quorum Blockchain Service. Created staking hardware node setup for Ethereum 2.0 blockchain. Developed an e-commerce mobile application for an industry client hosted on Shopify (Liquid), supported by Firebase Realtime Database and Functions (NodeJS).

Vice President, IT at Angel Southeast Asia Pte. Ltd.

August 31, 2020 - July 23, 2025

Managed deployment for backend security Java applications to clients in Singapore, Sydney, and Macau. Designed, developed, and deployed end-to-end security Java applications for casino table card and chip inventory.

Lead Engineer at NCS Pte. Ltd.

October 31, 2019 - July 23, 2025

Led a Java Spring Boot microservice development for a large-scale project with the Maritime and Port Authority of Singapore. Led development of the gateway layer in the IoT stack in an in-house IoT product to connect edge devices to the Azure cloud.

Senior Engineer at Land Transport Authority

September 30, 2017 - July 23, 2025

Designed and developed the backend Java Security Key Management Java application for the Next Generation Electronic Road Pricing (ERP2) project. Developed information security and security key management APIs for vehicle On Board Unit (OBU) security module. Led design and development of C++ server-side software to manage bus fleets in bus depots as part of the Government Contracting Model (GCM) project. Led design and development for C++ Passenger Service Machine (PSM) software upgrade in Singapore train stations. Designed and developed C++ General Ticketing Machine (GTM) software upgrade for Single/Return Trip Paper Tickets in Singapore train stations. Maintained and developed new features on C++ Cubic General Ticketing Machine (CGTM) software including distance-based fare implementation and Youth Olympic Games support. Developed C++ interface for VM945 NETS Terminal on the QNX RTOS platform.

Software Engineer at ST Electronics (InfoComm Systems) Pte. Ltd.

October 31, 2009 - July 23, 2025

Designed and developed C# GUI with ArcGIS and deployed C++ backend application of sonar system for Republic of Singapore Navy.

Pod Captain / IT Developer at Vosyn, ON Canada

May 1, 2025 - Present

Developed CI/CD pipelines with GitHub Actions and Google Cloud Platform using Google Artifact Registry. Built a Django Python microservice application for cloud reporting leveraging Google Client SDK, Microsoft Graph API, and ReportLab.

Software Engineer and Product Consultant at Toppan Ecquaria Pte. Ltd., Singapore

December 1, 2021 - Present

Developed and deployed Java Spring Boot microservices on cloud and on-premises using Docker and Kubernetes (K8s, K0s, OpenShift) with MySQL and MongoDB databases. Managed product design and development to support Singapore's national digital identity infrastructure, integrating PKI with OIDC and OAuth 2.0 for authentication and authorization. Conducted seminars and pre-sales support on product sizing and costs.

Senior Lecturer at Nanyang Polytechnic, Singapore

December 31, 2021 - August 10, 2025

Prepared and administered course materials and assessments for Object-Oriented Methodology, Data Structures and Algorithms, and User Experience Design courses. Conducted R&D on blockchain and decentralized applications, developed Android mobile apps connected to private blockchain networks, and created e-commerce mobile apps supported by Firebase.

Vice President, IT at Angel Southeast Asia Pte. Ltd., Singapore / Japan

August 31, 2020 - August 10, 2025

Managed deployment of backend security Java applications to clients in Singapore, Sydney, and Macau. Designed and developed end-to-end security applications for casino table card and chip inventory management.

Lead Engineer at NCS Pte. Ltd., Singapore

October 31, 2019 - August 10, 2025

Led development of Java Spring Boot microservices for a large-scale project with the Maritime and Port Authority of Singapore. Developed the gateway layer of the IoT stack connecting edge devices to Azure cloud using Java and Apache NiFi integrating multiple messaging protocols including AMQP, MQTT, JMS, LwM2M, and Kafka.

Senior Engineer at Land Transport Authority, Singapore

September 30, 2017 - August 10, 2025

Designed and developed backend Java security key management applications for Next Generation Electronic Road Pricing (ERP2). Led design and development of C++ server-side software for bus fleet management, Passenger Service Machine (PSM) and General Ticketing Machine (GTM) software upgrades in train stations. Maintained and enhanced Cubic General Ticketing Machine software including fare implementation and support for the Youth Olympic Games. Developed QNX RTOS interface software for VM945 NETS terminals.

Software Engineer at ST Electronics (InfoComm Systems) Pte. Ltd., Singapore

October 31, 2009 - August 10, 2025

Designed and developed C# GUI with ArcGIS and deployed C++ backend applications for a sonar system used by the Republic of Singapore Navy.

Pod Captain / IT Developer at Vosyn

May 1, 2025 - Present

Developed a CI/CD pipeline utilizing GitHub Actions and Google Cloud Platform, including Google Artifact Registry. Created a Django Python application to facilitate cloud reporting, leveraging Google Client SDK, Microsoft Graph API, and ReportLab for report generation.

Software Engineer and Product Consultant at Toppan Ecquaria Pte. Ltd.

December 1, 2021 - Present

Developed and deployed Java Spring Boot microservices on cloud and on-premises using Docker and Kubernetes ecosystems (K8s, K0s, OpenShift). Managed MySQL and MongoDB database interactions and REST APIs. Supported government service provisioning with advanced authentication and authorization using PKI, OIDC, and OAuth 2.0. Delivered seminars and pre-sales support focusing on sizing and cost efficiency.

Senior Lecturer at Nanyang Polytechnic

December 1, 2021 - August 10, 2025

Led curriculum design and assessments for modules on Object-Oriented Methodology and Data Structures & Algorithms using Python, plus User Experience Design courses. Conducted research on blockchain and decentralized applications, including building an Android app tied to a private blockchain and Ethereum 2.0 staking node setup. Developed an e-commerce app using Shopify and Firebase technologies.

Vice President, IT at Angel Southeast Asia Pte. Ltd.

August 1, 2020 - August 10, 2025

Managed deployment of backend security Java applications across multiple locations including Singapore, Sydney, and Macau. Designed and implemented end-to-end security applications for casino table card and chip inventory management.

Lead Engineer at NCS Pte. Ltd.

October 1, 2019 - August 10, 2025

Led Java Spring Boot microservices development for a major project with Singapore's Maritime and Port Authority. Developed the IoT gateway layer integrating edge devices with Azure cloud using Java and Apache NiFi with multiple messaging protocols (AMQP, MQTT, JMS, LwM2M, Kafka).

Senior Engineer at Land Transport Authority

September 1, 2017 - August 10, 2025

Designed and implemented backend Java security key management applications for Singapore’s Next Generation Electronic Road Pricing (ERP2) project. Led development of C++ software for bus fleet management, passenger service machines, and ticketing machines on QNX RTOS. Enhanced fare systems and supported major events like the Youth Olympic Games. Developed NETS terminal interfaces and secured these systems through rigorous API design.

Software Engineer at ST Electronics (InfoComm Systems) Pte. Ltd.

October 1, 2009 - August 10, 2025

Designed and developed GUI software in C# integrated with ArcGIS, supporting backend C++ applications in a sonar system for the Republic of Singapore Navy.