U

Usman Ahmad

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Lahore, Punjab, Pakistan
Contact Usman regarding: 
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Full-time jobs
Starting at USD3k/month

Timeline

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Job
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Education

Résumé

Jobs verified_user 0% verified
  • XENIA
    Backend Engineer
    XENIA
    Nov 2024 - May 2025 (7 months)
    • Architected workflow automation systems for audits and task execution using hierarchical checklists and submission pipelines
    • Built scalable APIs with pagination, filtering, and RBAC enforcement, supporting large datasets and multi-tenant access control
    • Led schema evolution and migration workflows with backward compatibility and zero data loss in production systems
  • P
    Backend Engineer
    PitchPro
    Nov 2022 - Aug 2024 (1 year 10 months)
    • Architected a multi-provider communication ingestion system integrating Twilio, CallRail, and Five9 via webhook-driven pipelines
    • Built real-time automation workflows for processing call recordings and events using distributed queues (BullMQ/Redis)
    • Developed secure, scalable API infrastructure with idempotent processing, schema validation, and adapter-based integrations
  • Selfbook
    Backend Engineer
    Selfbook
    Feb 2018 - Apr 2022 (4 years 3 months)
    • Led development of end-to-end booking lifecycle APIs integrating SynXis/Sabre with resilient fallback and validation logic
    • Architected secure payment orchestration systems using Stripe, Spreedly, ACH, and digital wallets with verification workflows
    • Built automation workflows for booking, pricing, and payment processing supporting high-volume transactional systems
  • V
    Backend Engineer
    VOXIPLAN
    Mar 2017 - Mar 2018 (1 year 1 month)
    • Designed a node-based programmable IVR engine enabling dynamic call flows, routing, and automation without code changes
    • Built voice-driven appointment booking system integrating multiple scheduling providers via unified abstraction layer
    • Developed telephony SaaS platform with call recording, analytics, and multi-tenant IVR support using Twilio/SIP
Education verified_user 0% verified
  • N
    Bs (Cs)
    National University of Computer and Emerging Sciences (FAST NU)
    Nov 2002 - Sep 2006 (3 years 11 months)