• Collaborated in the development and operations of a TelCo customer usingServiceNOW Platform, MariaDB Administration, Grafana and Splunk• Conducted solution research project with Data Vault Builder, Snowflake, Azure Databricks, Azure Data Lake and Azure Data Factory• Collaborated (with various roles including Team Coach) in the IoT distributed system and application development of a multinational customer using JBoss EAP (Java EE), Vaadin, WebServices (with REST, SOAP, JSON and XML), Apache Camel CXF, Akka, Karaf, SwaggerUI, Spring Framework, Robot Framework, MongoDB, OracleDB, Grafana and OpenShift.• Collaborated in the credit card lifecycle management's cloud native development of a global mobile security technology customer using AngularJS, Spring WebFlux and OpenAPI• Implemented a multi-tier infrastructure and cloud development in Microsoft Azure (VM, Azure Kubernetes Service, VNet, Load Balancing, Azure Key Vault, Azure Storage and Azure Recovery Services Vault) with Terraform and AWS Elastic Container Registry• Led and Scrum Master of a team, developing and maintaining a Big Data product for TelCo customer. Technologies used are Java, Spring Framework, ZK Framework, Docker, MariaDB, DB2 and Robot Framework.• Migrated Virnex CI/CD pipeline and development environments to AWS.• Led a web application development using ReactJS, Redux, NodeJS, ExpressJS, Webpack and Docker

• Agile Data Engine (multi-cloud DataOps platform) product development• Designed and implemented web application features utilising NodeJS, ReactJS, Redux, Clojure, Sass, and Webpack• Collaborated in the micro-services development using Java, Spring Framework, Swagger, Docker, FTL, Python, and Airflow• Collaborated in the infrastructure and cloud development using Python, AWS (CloudFormation, S3, EC2, ECS, CloudWatch) and Microsoft Azure (Blob Storage, AKS, Containers, VM, Terraform)• Implemented and collaborated in the identity and access management using Keycloak, AWS Cognito and Azure Active Directory.• Utilised database technologies such as PostgreSQL, MS SQL, MS SQL DW, AWS Redshift and Snowflake• Conducted product research projects including cloud service authentication and data vault automation• Software project management with Apache Maven and versioning with Git• Continuous integration and continuous deployment with Jenkins• Software testing with JUnit, unittest (Python) and NightwatchJS• Occasionally as a deputy scrum master• Documented product installation and configuration• End-user documentation

• R & D (Agile Product Development). Lead software designer/engineer of the web development. • Led the design and development of the web analytics framework for the intelligent Customer Experience Management, currently named as StratOSS™ Service Quality Manager, using Java, HTML, CSS, Javascript, LeafletJS and ZK Framework.• Collaborated in the development of the SQM platform using Java, XML, XSL, FTL, MariaDB, Vectorwise and DB2• Re-designed and developed new implementations for the SQM Proxy using PHP, XML and MariaDB.• Led the design and development of the SQM Micro-services using Java, Spring Framework, Swagger and Docker• Maintained the intelligent Customer Service Assurance (iCSA) system/platform using Java, XML, ZK Framework, Oracle 11g and Oracle BI• Designed and implemented new features/customisations for the iCSA system/platform using Java• Re-designed and developed a Customer Experience Assurance web application using Java and Google Web Toolkit• Supported in the deployment of the iCEM/SQM to production servers• Software project management with Apache Maven• Software package management with RPM• Continuous integration and continuous deployment with Jenkins• Software testing with JUnit and Robot Framework• Product documentation

• Led the development of the sales management system using Java EE, C# .NET, Dojo Toolkit and SQL Server 2008 that caters huge amount of data coming from major convenient stores.• Led the development of the infant medical treatment support system using ASP .NET, ASP .NET Dynamic Data, ASP .NET Ajax Control Toolkit, C# .NET and SQL Server 2008. • Initiated and developed the front end of the hospital support system using Adobe Flex.• Initiated and developed a time management system using PHP, MySQL and JQuery.• Developed a web automation system using C# .NET and SQL Server 2008.• Cooperated in the development of a usage-proposal approval system using Java.• Cooperated in the development of the production control system using C# .NET, Crystal Reports and SQL Server 2008.• Coded new features for the treatment assistance system using ASP .NET and C# .NET.• Designed a pamphlet for the treatment assistance system.• Enhanced and developed new features for the inventory system of mobile products that uses a barcode reader in a Windows Mobile Pocket PC using C# and ASP .NET Mobile.• Cooperated in the development of an e-commerce shopping website using PHP• Configured and deployed production servers and storage arrays (HP ProLiant GL580 & HP StorageWorks MSA2000).• Participated in meetings with Japanese clients and conveyed presentations and concepts for the development of the hospital support system.• Created and designed graphs using Microsoft Silverlight for infant medical treatment support system.• Assisted on on-site visits and troubleshooting user problems relating to Operating System issues (Windows XP, Windows 7 & Mac OSX)

• Developed a payroll system that includes salaries, wages, bonuses and deductions.• Author of the book “Simple Web Design (HTML/XHTML)” and sold more than 1,500 copies in the Philippines.• Developed and designed a company's client website to showcase product materials using HTML/PHP/CSS.• Developed an apprehension system. Created and designed the generation of reports using Crystal Reports.

• Developed a document management system using PHP, AJAX and MySQL• Assisted payroll operations for P&G China, Japan, Hong Kong, Singapore and Taiwan.• Administered monthly payroll validation of shift allowances, overtimes and other leave deductions through SAP.