Jeric Mangao

Senior Full-Stack PHP Developer with 8+ years of experience building, modernizing, and maintaining business-critical web applications. Specialized in PHP, Laravel, CodeIgniter, Vue.js, MySQL, RESTful APIs, Laravel Filament, and Laravel Nova, with deep experience in legacy-system modernization, application security, database optimization, third-party financial integrations (Xero, Stripe, PayPal), and production deployment ownership. Experienced in requirements gathering, sprint planning, technical solution design, and direct stakeholder and client collaboration.

Proven ability to independently own projects end-to-end, from architecture through production deployment and support.

Senior Software Engineer - CMIT Consultancy Group Inc. - Makati City, Philippines

(2023-08 - 2026-07)

Role concluded as part of a company-wide restructuring.

• Designed and developed enterprise web applications using Laravel, Laravel Filament, Laravel Nova, PHP, MySQL, JavaScript, and RESTful APIs, including CMS platforms spanning 40+ database tables across singleton and CRUD resource structures.
• Implemented application-level security including role-based access control, granular permissions, maker-checker approval workflows, audit logging, secure file validation, and malware scanning.
• Built and maintained custom content-management systems, administrative portals, and back-office modules for corporate and public-facing websites.
• Participated in requirements gathering, sprint planning, technical solution design, code reviews, deployment preparation, and stakeholder presentations, while optimizing backend workflows and database operations for maintainability and reliability.

Software Engineer – Part-Time - Valeysoft - Remote

(2023-03)

• Independently lead backend development and ongoing modernization of Koala Toolkit, a large CodeIgniter 3 enterprise platform supporting orders, inventory, customers, production planning, scheduling, reporting, timesheets, and financial workflows.
• Design and optimize MySQL queries, stored procedures, reporting functions, and data-processing workflows for high-volume datasets containing millions of records.
• Integrated Xero workflows for customers, items, ranges, orders, invoices, credit notes, and payments, reducing manual reconciliation and improving financial-data synchronization, with synchronization logs and record-level success/failure metrics for observability.
• Own production deployments end-to-end — troubleshooting, server-side updates, backups, and rollback procedures — while preserving legacy-system stability.

Software Engineer - Parlon Inc. - Makati City, Philippines

(2022-07 - 2023-07)

• Developed and maintained web applications and internal systems using PHP, Laravel, JavaScript, jQuery, and MySQL, building backend modules and administrative features based on business requirements.
• Investigated and resolved application defects and production issues, participating throughout the SDLC including testing, deployment, and maintenance.

Software Engineer - Yondu Inc. - Philippines

(2021-07 - 2022-07)

• Developed and maintained backend services and refactored microservice endpoints powering the GLife mobile app ecosystem, improving speed and reliability under peak traffic within an Agile framework.

Software Engineer / Medichem Developer - Information Professionals Inc. (IPI) - Philippines

(2020-10 - 2021-07)

• Engineered custom PHP applications for pharmaceutical data tracking, including a Viber Chatbot platform for operational notices and QR-code tracking systems for inventory and auditing.

Web Developer - Hubware Inc. - Muntinlupa City, Philippines

(2020-02 - 2020-07)

• Developed and maintained internal government applications using C#, ASP.NET MVC, SQL, JavaScript, HTML, and CSS, supporting digitization of administrative workflows.

Web Developer - Naotech Inc. - Makati City, Philippines

(2018-05 - 2020-01)

• Developed and maintained multiple client web applications using PHP, Laravel, CodeIgniter, MySQL, JavaScript, jQuery, HTML, and CSS, engaging directly with clients to gather requirements and deliver features.

Bachelor of Science - Computer Science - Tanauan Institute (2014 - 2018)