Mobile/PHP/SharePoint Applications Consultancy Support Services (On-Site Consultants) for One Year

Pakistan State Oil Company Limited (PSO) Karachi invites qualified vendors to submit quotations for Mobile, PHP, and SharePoint Applications Consultancy Support Services to be delivered on-site at PSO House, Clifton, Karachi for a period of one year. This procurement covers two main consultancy services: Items being procured: - Mobile and Web Application Consultancy Support Services (Hybrid Android and iOS) and PHP application development (1 Android & 1 PHP Consultant for 12 months) - SharePoint Application Support Services including customization, enhancement, migration, and maintenance (2 Full Stack SharePoint Developers for 12 months) The scope includes development, enhancement, customization, maintenance, and technical support for custom-built mobile applications, PHP-based backend services, and SharePoint portals. Technologies involved include Core PHP, Laravel, HTML5, CSS3, JavaScript, jQuery, AJAX, RESTful APIs, JSON, Bootstrap, Composer, Git/GitHub, MySQL, Oracle, MariaDB, Firebase, .NET Framework, SQL Server, C#, ReactJS, TypeScript, SPFX, Tailwind CSS, and Bootstrap. Consultants must be available for weekend on-site support as required. Eligibility criteria require the mobile app developer to have 5-6 years of experience in hybrid mobile app development, PHP developer with 8 years of experience in complex PHP applications, and SharePoint developers with 7 years of experience in SharePoint customization and .NET backend development. Vendors must provide CVs for evaluation and acceptance by PSO. Intellectual property rights for all developed code and materials will belong solely to PSO. The contract includes quarterly payments based on deliverables and satisfactory performance. PSO reserves the right to terminate the agreement with 30 days prior notice and to cancel the service order under specified conditions including unsatisfactory performance or failure to assign consultants timely. Bidders should submit their quotations by **23 November 2026**. The submission address is PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Vendors are advised to carefully review the terms and conditions, including the requirement to sign a Non-Disclosure Agreement (NDA) upon award. A practical tip for bidders: Ensure your proposed consultants meet the detailed experience requirements and prepare comprehensive CVs highlighting end-to-end project involvement to enhance your chances during technical evaluation. Weekend availability is mandatory, so plan resource allocation accordingly. This is a valuable opportunity to provide specialized IT consultancy services to a leading national energy company in Karachi, Sindh.