Hey there! I'm Usman Ahmad, a senior full-stack developer with a strong focus on Rails, React, and Node.js. I build scalable software solutions and lead end-to-end product delivery. I thrive on turning complex requirements into elegant, robust systems using Rails, React, and Node.js, and I love collaborating with teams to ship high-quality software that users love. I've supported startups across healthcare, automotive, tourism, retail, food, and productivity sectors, and I’m currently focused on refining best practices to solve client challenges and drive impact.

Usman Ahmad

Hey there! I'm Usman Ahmad, a senior full-stack developer with a strong focus on Rails, React, and Node.js. I build scalable software solutions and lead end-to-end product delivery. I thrive on turning complex requirements into elegant, robust systems using Rails, React, and Node.js, and I love collaborating with teams to ship high-quality software that users love. I've supported startups across healthcare, automotive, tourism, retail, food, and productivity sectors, and I’m currently focused on refining best practices to solve client challenges and drive impact.

Available to hire

Hey there! I’m Usman Ahmad, a senior full-stack developer with a strong focus on Rails, React, and Node.js. I build scalable software solutions and lead end-to-end product delivery. I thrive on turning complex requirements into elegant, robust systems using Rails, React, and Node.js, and I love collaborating with teams to ship high-quality software that users love.

I’ve supported startups across healthcare, automotive, tourism, retail, food, and productivity sectors, and I’m currently focused on refining best practices to solve client challenges and drive impact.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Advanced

Work Experience

Software Engineer at SelfBook
February 1, 2018 - April 1, 2022
Developed hotel payment solutions and integrated room booking systems with multiple payment services; built a user-friendly travel web app, integrated third-party APIs, and implemented secure forms. Performed ongoing maintenance, updates and performance improvements to ensure reliability and scalability.
Software Engineer at TripSet Travel
February 1, 2017 - December 1, 2017
Integrated third-party Travel APIs for hotel beds, SynXis reservations, and TripAdvisor to enable seamless booking on a Drupal-based platform; built travel planning features, destination guides, and booking forms; performed ongoing maintenance and performance improvements.
Software Engineer at SDAI
March 1, 2024 - May 1, 2024
Implemented a custom Drupal SSO integration with the Saudi National Identity system (NAFATH) and an LMS; developed authentication flows, OTP verification, user provisioning, and secure session synchronization via API-based login and token/cookie management.
Software Engineer at Alliance
July 1, 2024 - May 1, 2025
Architectural component-based page builder using Drupal Paragraphs for marketing teams; built taxonomy-driven landing pages with reusable UI components and responsive grids; created Drupal module for FAQ JSON-LD; developed Elementor-based WordPress sites with donation functionality and payment gateway integrations; implemented UI/UX improvements and backend enhancements.
Software Engineer at Loginook
April 1, 2025 - Present
Developed a WordPress website using Gutenberg and Kadence Blocks; built custom block-based layouts and extended functionality with PHP, HTML, CSS, and JavaScript; integrated Easy Digital Downloads and Evergreen forms to enable secure digital product sales and automated workflows; ensured mobile-friendly UX.
Software Engineer at Axion Bio
December 1, 2025 - Present
Architectural component-based page builder using Drupal Paragraphs enabling marketing teams to build flexible landing pages; implemented taxonomy-driven landing pages with reusable UI components, responsive grids, and content views; built Drupal modules generating FAQ JSON-LD; maintained Drupal 10 platform with Composer and migrations; focused on performance optimization.
Senior Software Engineer at RxType
January 1, 2024 - Present
Developed a clinic management system to streamline patient records, medical history tracking, and dynamic prescription generation. Implemented a scalable subscription model with tiered access control for effective user and feature management. Utilized Ruby on Rails, Elastic Search, and RSpec to build and optimize the system.
Software Engineer at Watts Water
September 1, 2021 - January 1, 2024
Contributed to multiple features in Watts' Syncta Software, including search optimization, Stripe upgrades, and custom validations for backflow tests.
Software Engineer at Self Book
February 1, 2018 - April 1, 2022
Developed hotel payment solutions integrating room booking systems with multiple payment services including Spreadly, Sabre Hospitality APIs, SynX Reservations, Plaid, TripAdvisor, and robust security vaults.
Software Engineer at Voxiness
March 1, 2017 - March 1, 2018
Built the IVR-based VoxPlan appointment scheduling app from scratch, integrating Twilio and Tropo APIs for IVR, along with multiple calendar APIs and payment gateways.

Education

BS (CS) at National University of Computer and Emerging Sciences (FAST NU) – Lahore, Pakistan
January 11, 2030 - April 14, 2026
BS in Computer Science at National University of Computer and Emerging Sciences (FAST-NU), Lahore, Pakistan
January 11, 2030 - April 20, 2026
BS (CS) at National University of Computing and Emerging Sciences (FAST NU) – Lahore, Pakistan
January 11, 2030 - June 10, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Travel & Hospitality, Software & Internet, Professional Services, Retail, Transportation & Logistics, Healthcare, Consumer Goods
    Voxiness

    Led end-to-end development of dynamic IVR workflows, enabling clients to configure call flows, appointment bookings, business hours, and multilingual support using agenda integrations like Timify, SuperSaaS, and Mobminder.

    Built custom tracking, analytics, and testing features, including call/SMS logging, test IVRs with virtual numbers, internal usage stats, and integration with external services like Cronofy and Twilio for real-time monitoring.

    Developed robust admin and client dashboards, with support for multiple IVRs per account, secure role-based access, version history (via PaperTrail), and tools to preview, modify, and test IVR interactions without live calls.

    SelfBook

    Enhanced hotel-related features by rewriting unique rates endpoints, adding exception handling for availability issues, and improving booking and cancellation processes with new endpoints and validations.

    Integrated and refactored payment systems including Stripe subscriptions, ACH support, and card verification through Spreedly, with modularized code and additional metadata handling.

    Migrated scrapers for bookings, rates, and variants from Heroku to DigitalOcean, improved performance and error handling, and automated deployments with Capistrano, Puma, and Nginx configurations.