Muhammad Sarmad

Senior Software Engineer

Ark Crew

Feb 2021 - Present • 5 yrs 5 mos

Backend API Development - Designed and maintained robust backend systems using Laravel, Node.js, and Core PHP, powering large-scale web and mobile apps. - Built RESTful APIs with secure authentication, request validation, and optimized endpoints. Fitness App (Everfit-like) – Backend Customization - Refactored critical backend modules, improving reliability and maintainability. - Built automation that auto-assigned workout programs to new users, reducing manual work. - Developed custom training modules, comment systems, schedule logic, and dynamic dashboard data endpoints. Perfex CRM Development - Created multiple custom CRM modules including attendance, payment automation, scheduling, and reporting. - Extended core CRM functionality without breaking update compatibility. Python & Selenium Automation - Developed automation scripts for repetitive business processes across two projects, reducing manual labor by 60–80%. - Automated data extraction, form submissions, and daily workflow tasks. API Integrations - Integrated payment gateways, communication APIs, and WhatsApp business APIs. - Built secure webhook handlers, transaction logs, and automated payment validation workflows.