Robin De Leon

Microsoft 365 and SharePoint Developer specializing in SharePoint Online, SPFx, React, TypeScript, Power Platform, and Microsoft Graph API. Experienced in developing modern enterprise applications, custom SharePoint solutions, workflow automations, and Microsoft 365 integrations using Power Apps, Power Automate, and PowerShell. Strong hands-on experience in frontend development, API integration, and SharePoint customization.

Senior SharePoint Engineer / Solutions Architect at OUSIAN SOLUTIONS Inc (2025-01 – Present)

• Lead Microsoft 365 and SharePoint solution development from requirements gathering to deployment and support.
• Design and develop SPFx solutions using React, TypeScript, Node.js, and PnPJS, alongside Power Platform applications using Power Apps and Power Automate.
• Build workflow automation and integrations using Power Automate, Microsoft Graph API, and REST APIs.
• Manage Microsoft 365 administration, governance, permissions, and deployment support activities.
• Collaborate with stakeholders and clients to deliver scalable enterprise solutions and architecture recommendations.

SharePoint Developer / Administrator at CASPO INCORPORATED (2016-09 – 2024-12)

• Developed SPFx web parts and enterprise SharePoint solutions using React, TypeScript, Node.js, and PnPJS.
• Administered SharePoint Online and on-premise environments including site collections, permissions, and migrations using ShareGate.
• Built business applications and workflow solutions for HR, transport, surveys, examinations, and knowledge management systems.
• Provided technical support, customization, and SharePoint administration services.

Consultant | SharePoint Developer / SQL / Business Objects Developer / QA Tester at HEADSTRONG PHILIPPINES Inc. (GENPACT PHILIPPINES) (2011-04 – 2016-08)

Various Client Deployments and Internal Projects

• Developed and administered SharePoint 2007/2010/2013 solutions for internal and client-based projects across enterprise environments.
• Designed and customized SharePoint sites, workflows, master pages, branding, custom lists, and Web Part solutions using JavaScript, jQuery, SPServices, HTML, CSS, XSL/XSLT, CAML, and REST APIs.
• Managed SharePoint site collections, permissions, deployments, configurations, and production support activities.
• Gathered business requirements, created prototype solutions, and coordinated directly with overseas clients and stakeholders.
• Developed SQL queries, validation scripts, testing documentation, and reporting solutions while supporting QA and SAP Business Objects initiatives.

Software Engineer / QA Tester at Accenture Inc. (2007-08 – 2009-12)

Telecom client

• Performed manual, regression, and user acceptance testing for telecom applications.
• Developed test scripts, executed SQL validations, and supported production issue analysis.
• Coordinated with client teams and supported defect investigation and resolution.
• Promoted from Associate Software Engineer to Software Engineer.

Bachelor of Science in Electronics and Communications Engineering – Bulacan State University (2006-04)