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Burraq Ur Rehman

Full-Stack Engineer, AI Voice and SaaS Product Lead · Lahore, Pakistan

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Summary

I'm a full-stack engineer with 5+ years shipping production Ruby on Rails, Python/FastAPI, React and Node.js applications for international product teams. I build multi-tenant SaaS platforms and production AI features, including real-time voice agents, LLM tool calling, transcript pipelines and vector search, behind provider-agnostic abstractions so they survive vendor changes. At Xprolabs I've worked closely with solution architects, UX designers and systems analysts on cross-brand modules for the Traton group (MAN and Navistar). I own features end to end, mentor junior engineers, and drive the CI/CD and code-review standards that shorten release cycles.

Experience

  1. Full-Stack Developer · Xprolabs

    Oct 2021 — Present

    • Shipped and maintained in-house modules end to end with TypeScript, React, Ruby on Rails and Node.js
    • Built CI/CD pipelines with automated testing that cut deployment time by 40%
    • Optimized complex SQL queries and backend architecture, improving response times by 35% (Performance Excellence Award, 2023)
    • Led the 2023 launch of a computerized maintenance management system (CMMS), improving operational efficiency by 45%
    • Designed RESTful APIs in Node.js powering React front ends across several product surfaces, and built internal tooling that improved developer productivity
    • Worked with solution architects, UX designers and systems analysts on cross-brand modules for the Traton group (MAN and Navistar), led multilingual support features, and customized the core product to client requirements
    • Mentored 3 junior developers on coding standards and code review, with 100% retention

  2. Associate Software Engineer · Southville Solutions

    Mar 2021 — Oct 2021

    • Delivered features across Node.js, JavaScript, TypeScript, React and Angular in agile sprints
    • Built responsive UIs with HTML5, CSS3 and Bootstrap, and developed task management and web scraping solutions
    • Became a productive contributor within the first sprint cycles

Technical skills

Languages
Ruby, Python, TypeScript, JavaScript, SQL, HTML5, CSS3
Frameworks
Ruby on Rails, FastAPI, NestJS, Next.js, Node.js, Express.js, Django, Flask, Celery, Pydantic v2, SQLModel
Frontend
React 18 & 19, Angular, Vite, TanStack Query, Redux, Context API, Tailwind CSS, shadcn/ui, Bootstrap, jQuery, AJAX
Backend
REST APIs, Microservices, Multi-Tenant Architecture, WebSockets, Socket.IO, Sidekiq, pg-boss, RBAC, JWT & JWKS Auth, Auth0, Devise, Passport, Stripe Billing, Third-Party Integrations
Databases
PostgreSQL, pgvector, SQLAlchemy 2 (async), Prisma, Alembic, Redis, NoSQL, Query & Schema Optimization
AI & ML
LLM Integration, Tool Calling, Real-Time Voice Agents, Retell, x.AI Grok Realtime, Twilio Media Streams, Transcript Processing, Embeddings & Vector Search, RAG, Prompt Design, scikit-learn Basics
Cloud & DevOps
AWS (EC2, S3, Lambda, RDS, CloudWatch), Vercel, Railway, Heroku, Docker, GitHub Actions, CI/CD, Nginx, PM2, Linux
Testing & Quality
pytest, RSpec, Playwright, Vitest, ruff, mypy, ESLint, RuboCop, Code Review
Ways of Working
Agile & Scrum (Scrum Master), Jira, Git, GitHub, GitLab, Bitbucket, Client Communication

Selected projects

  • Otto Revenue Engine

    A multi-tenant AI voice and CRM SaaS that automates inbound dealership calls, recovering revenue lost to missed calls and dropped follow-ups.

  • Multi-Tenant Online Tutoring Platform

    An LMS and CRM that runs an online tutoring academy end to end: leads, scheduling, Google Meet classes, attendance, Stripe billing and tutor payouts.

  • Pigeon Premier League

    A tournament management and live-scoring platform for endurance pigeon racing, rewritten from a legacy system.

  • Kinari

    A multilingual survey platform with a dynamic survey builder, on-the-fly translation and CSV import and export.

  • Supply Chain Management System

    A multi-tenant platform for manufacturers and buyers, with an e-commerce store, subscription plans and manufacturer data scraping.

  • Mr. Cooper Apollo

    Apollo Web, a microservices-based platform streamlining home loan buying, selling and refinancing.

  • Clinical Scribe

    Voice-to-text clinical notes, so doctors can dictate observations and treatments hands-free.

  • Winad

    A school and translation management platform with project-scoped access to translated files.

  • Career Camp

    An AWS-deployed e-learning platform with dynamic events and an admin panel for courses, students, tutors and employers.

  • Invoke

    A company portal with role and permission management, payroll and HR modules.

  • Easy Translations

    Upload a project's en.yml file and get it translated into chosen languages in background jobs.

  • Shopify App

    Fetches products from external sources and adds them to a Shopify store.

  • Climate API

    Remote and on-site IT job listings scraped from several job sites, with location data and filters.

  • Electask

    Task tracking with categories, due dates, progress and reminders on a full calendar view.

  • Miketen

    A scraper for a Japanese job site that stored over 45,000 job listings on the client's server.

Education

  • B.S. Information Technology, University of Education (UOE), Lahore, Sep 2017 – Sep 2021
  • 1st place, university-wide programming competition, UOE Tech Fest (2020)

Certifications

  • AWS Certified Developer, Associate (Udemy, May 2025)
  • Learning SQL Programming (LinkedIn Learning, May 2024)
  • Agile Development with Scrum and SAFe Frameworks
  • JavaScript Frameworks: AngularJS and ReactJS