Available to hire
Hi, I’m Robert Ryan J. Gabiosa, a software analyst, designer, programmer, and tester based in Davao City. I enjoy working on both software and web development projects and have experience with a variety of technologies and programming languages. I’m a fun-loving, versatile team player who is always eager to learn and grow.
Over the years, I’ve developed expertise in backend development, web services, and database management. I pride myself on producing efficient and reliable software solutions while maintaining a collaborative work environment.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
Language
English
Fluent
Work Experience
Freelance Programmer
May 31, 2025 - July 28, 2025Backend Developer and Web Developer working with ASP.Net Core Web API, MSSQL, Console Apps including WebJobs, as well as ASP Classic, VBScript, ASP.Net Web API, and MSSQL.
Freelance Programmer
October 31, 2024 - July 28, 2025Developed software and web applications using ASP.Net MVC Framework, Bootstrap, MSSQL with Entity Framework, and integration with APIs such as Zoho CRM. Projects involved document content control processing, reporting tools, web jobs, and console applications.
Freelance Programmer
September 30, 2020 - July 28, 2025Software and web developer for various projects including hotel ticketing systems, web scraping applications, reporting tools, real estate sites, ERP systems, hospitality management, inventory systems, and cloud services management on Azure and AWS.
Software and Web Developer at 21pos Inc.
July 31, 2016 - July 28, 2025Developed POS back office web and desktop systems, Quickbooks integration, backend web order systems, database replication, item synchronization, POS team lead for back office, and barcode printing systems using C#.Net, ASP.Net MVC, MySQL, Entity Framework, WPF and WinForm technologies.
Web Developer at HP Outsourcing Phils., Inc.
January 31, 2014 - July 28, 2025Team member for banking system web development involving VB.Net, ASP.Net WebForms, and Web Services.
Freelance Programmer
December 31, 2014 - July 28, 2025Developed desktop software applications, hardware maintenance, and computer networking projects including junkshop management systems and SMS announcement projects using VB.Net and Winforms.
Software Developer, Technical Support at The Paper Tree
April 30, 2012 - July 28, 2025Developed and maintained software applications, performed hardware maintenance, provided technical support, and tested software products including SMS projects, web surveys, and ERP team contribution using VB.Net, ASP.Net MVC, and MSSQL.
Software Developer at Kinetique Systems, Inc.
February 28, 2010 - July 28, 2025Contributed as team member in accounting system development using VB.Net, MSSQL, and Infragistics controls.
Software Developer, Software Tester (On-the-job Training) at Lane Systems
June 30, 2009 - July 28, 2025Performed software development and testing tasks under on-the-job training program.
Data Encoder, Hardware Maintenance (On-the-job Training) at Marubeni Energy Service Corp.
December 31, 2006 - July 28, 2025Performed data encoding and hardware maintenance tasks as part of on-the-job training.
Freelance Programmer
May 31, 2025 - July 28, 2025Worked as a backend and web developer, creating ASP.Net Core Web APIs and console applications using MSSQL. Developed web applications with ASP Classic, VBScript, and ASP.Net Web API technologies, handling various projects that involved database and API integration.
Freelance Programmer
October 31, 2024 - July 28, 2025Software and web development projects implementing ASP.Net MVC Framework, Bootstrap, MSSQL with Entity Framework, PDF and Excel/CSV parsing, document content controls, reporting tools like Telerik and Pro_ReportViewer, console applications, API integration with Zoho CRM, and cloud management using Azure and AWS services.
Freelance Programmer
September 30, 2020 - July 28, 2025Developed various software and web systems including hotel ticketing, real estate sites, reporting tools, ERP systems, hospitality management, inventory, and web scraping tools using technologies such as C#, ASP.Net Core MVC, VueJS, AngularJS, Selenium, Google APIs, AWS Elastic Beanstalk, and Azure management.
Software and Web Developer at 21pos Inc.
July 31, 2016 - July 28, 2025Developed POS back office and related reporting systems using technologies such as C#.Net, ASP.Net MVC, MySQL, WinForms with DevExpress controls, Quickbooks API integration, Silverlight applications, database replication, item synchronization, barcode printing, and data polling across multiple databases.
Web Developer at HP Outsourcing Phils., Inc.
January 31, 2014 - July 28, 2025Contributed as a team member in developing banking systems utilizing VB.Net, ASP.Net WebForms, and web services.
Software Developer
January 1, 2014 - July 28, 2025Developed desktop applications, maintained hardware, managed computer networking, and developed software systems including junkshop management, SMS project announcements integrated with Nokia phones, and networking solutions.
Software Developer / Maintenance and Support at The Paper Tree
April 30, 2012 - July 28, 2025Handled software development, maintenance, technical support, networking, and software testing. Developed SMS projects and web surveys, and contributed as a team member on Enterprise Resource Planning software.
Software Developer at Kinetique Systems, Inc.
February 28, 2010 - July 28, 2025Team member on accounting system development projects, utilizing VB.Net, MSSQL, Infragistics, and ASP.Net WebForms.
Freelance Programmer
May 31, 2025 - July 28, 2025Developed backend and web applications using ASP.Net Core Web API, MSSQL, and Console Apps such as WebJobs. Utilized ASP Classic, VBScript, ASP.Net Web API, and MSSQL for web development tasks. Delivered solutions as a software and web developer handling various frameworks and API integrations including Zoho CRM API.
Freelance Programmer
October 31, 2024 - July 28, 2025Designed and developed software and web applications including EPX using ASP.Net MVC Framework (C#.Net), Bootstrap, and MSSQL with Entity Framework. Handled PDF and Excel/CSV parsing, document content controls, and reporting tools such as Telerik and Pro_ReportViewer. Created console applications and web jobs, integrated APIs including Zoho CRM API, and managed database projects using SSDT.
Freelance Programmer
September 30, 2020 - July 28, 2025Delivered software and web development projects including hotel ticketing systems, web scraping applications, reporting tools, real estate sites, data providing services, and ERP systems for payroll, inventory, sales, purchasing, and HR. Managed cloud environments and platforms including Azure App Services and SQL Databases, AWS Elastic Beanstalk and RDS. Worked with C#, ASP.Net MVC, EFCore, VueJS, Angular, KnockoutJS, and Azure Bot Framework.
Software and Web Developer at 21pos Inc.
July 31, 2016 - July 28, 2025Led and contributed to back office POS system development, integrating MySQL, C#.Net, and ASP.Net MVC with AngularJS and WinForms. Developed various modules including report generation, quickbooks accounting integration, backend web order system, database replication, item sync system, and barcode printing. Responsible for both front-end and back-end development alongside team leadership roles.
Web Developer at HP Outsourcing Phils., Inc.
January 31, 2014 - July 28, 2025Participated as a team member in banking system development using VB.Net, ASP.Net WebForms, and Web Service technologies.
Software Developer
December 31, 2014 - July 28, 2025Developed desktop applications, maintained hardware and networks, and created custom software solutions including junkshop management systems, SMS announcement projects, and networking support.
Software Developer, Software Maintenance, Technical Support at The Paper Tree
April 30, 2012 - July 28, 2025Handled software development, maintenance, hardware support, and network troubleshooting. Developed SMS notification systems, web surveys, and participated as a team member in enterprise resource planning solution development.
Software Developer at Kinetique Systems, Inc.
February 28, 2010 - July 28, 2025Team member in accounting system development projects using VB.Net, MSSQL, and Infragistics with ASP.Net WebForms.
Software Developer, Software Tester at Lane Systems
June 30, 2009 - July 28, 2025Completed 300 hours of on-the-job training involving software development and testing.
Data Encoder, Hardware Maintenance at Marubeni Energy Service Corp.
December 31, 2006 - July 28, 2025Completed 200 hours of on-the-job training focused on data encoding and hardware maintenance.
Education
Bachelor of Science at STI College of Davao
January 1, 2006 - December 31, 2010Diploma at STI of Kidapawan City
January 1, 2004 - December 31, 2006High School Diploma at Notre Dame of Kidapawan City
January 1, 2000 - December 31, 2004Elementary Diploma at Notre Dame of Kidapawan City
January 1, 1994 - December 31, 2000MBA at Ateneo De Davao University
January 1, 2014 - December 31, 2016Bachelor of Science at STI College of Davao
January 1, 2006 - December 31, 2010Diploma at STI of Kidapawan City
January 1, 2004 - December 31, 2006High School Diploma at Notre Dame of Kidapawan City
January 1, 2000 - December 31, 2004Elementary Diploma at Notre Dame of Kidapawan City
January 1, 1994 - December 31, 2000MBA at Ateneo De Davao University
January 1, 2014 - December 31, 2016Bachelor of Science at STI College of Davao
January 1, 2006 - December 31, 2010Diploma at STI of Kidapawan City
January 1, 2004 - December 31, 2006High School Diploma at Notre Dame of Kidapawan City
January 1, 2000 - December 31, 2004Elementary Diploma at Notre Dame of Kidapawan City
January 1, 1994 - December 31, 2000Qualifications
STI Youth Conventions
January 1, 2004 - December 31, 2009Linux Seminar
March 1, 2007 - March 31, 2007Graphics Design Seminar
December 1, 2006 - December 31, 2006Red Cross Seminar Week
May 1, 2005 - May 31, 2005PC Troubleshooting
November 1, 2004 - November 30, 2004STI Youth Conventions
January 1, 2004 - December 31, 2009Linux Seminar
March 1, 2007 - March 31, 2007Graphics Design Seminar
December 1, 2006 - December 31, 2006Red Cross Seminar Week
May 1, 2005 - May 31, 2005PC Troubleshooting
November 1, 2004 - November 30, 2004Industry Experience
Software & Internet, Financial Services, Travel & Hospitality, Retail, Real Estate & Construction, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
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