Rehan Q.

Full Stack Engineer

Full-time available

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Bio

Rehan Q is a senior software engineer with a rare combination of systems-level C++ expertise, modern frontend architecture, and AI platform development experience. He has worked extensively with large, production C++ and Qt codebases, resolving critical stability, performance, and integration issues in native and JNI layers to unblock hardware product launches and ensure reliable metrics and device communication. At Precor, he operated across C++, Android AOSP, Kotlin services, and React-based web overlays, designing IPC

  • Projects completed0
  • Hourly rate
  • 3-4 years experience
  • Member since Jan 2026
Expertise
C++ReactNextJSTypescriptJava
Video Intro
Assessments

Project Assessment

Great score on Implement an LRU Cache Algorithm, Difficulty Hard · Great score on Ensuring Real-time Data Accuracy in Mobile App, Difficulty Hard · Great score on Understanding Rate Limiting in APIs, Difficulty Medium

Experience
  1. Software Developer

    CarbonteqOct 2021Mar 2023
    • Architected "One Reel," a video conferencing platform using Next.js and the LiveKit SDK, optimizing video throughput for low-latency multi-user calls.
    • Implemented high-performance 3D rendering using React-Three-Fiber and WebGL to project live video streams onto 3D surfaces within the browser.
    ReactNext.jsThreeJSReact Three FiberWebGLRedux ToolkitJavaScript
  2. Software Engineer

    Precor Inc.Mar 2023Aug 2024
    • Accelerated the launch of Gen-3 P94 consoles by resolving critical blockers in the legacy C++/Qt and JNI layers, stabilizing metrics reporting for the master console application.
    • Modified the Android Open Source Project (AOSP) framework to enable touch-input compatibility for the PlutoTV app, allowing it to run natively on proprietary fitness hardware.
    • Designed and implemented an IPC (Inter-Process Communication) architecture using AIDL and Android Intents to synchronize state between native services and React-based web overlays
    • Shipped industry-leading accessibility features (compliant with US standards) and RTL support (Arabic) across the full stack (C++ backend to React frontend) in under 2 months.
    • Developed a native Kotlin service utilizing Android Camera APIs to render external HDMI inputs (Chromecast/TV) directly onto the console interface.
    ReactC++QtAOSPJNIKotlinJava
  3. Senior Software Engineer

    Inference AnalyticsOct 2024Nov 2025
    • Spearheaded the frontend architecture of a No-Code RAG (Retrieval-Augmented Generation) platform, leading a squad of 3 developers to deliver a drag-and-drop AI pipeline builder using XYflow.
    • Engineered complex application logic in ReScript, leveraging sound type-safety to eliminate runtime exceptions and improve maintainability of the core inference engine.
    • Engineered a HIPAA-compliant medical chatbot for University of Chicago Medicine using TypeScript, implementing Zustand for lightweight state management and RxJS to handle complex data streams declaratively.
    • Implemented end-to-end Stripe billing and user management for PayerAgents (https://payeragents.ai): an AI-Powered revenue cycle management platform using F#, .NET Core and Giraffe.
    ReactRescriptRxJSF#ZustandTypescript
Education
  1. Bachelor's in Electrical Engineering

    National University of Sciences and TechnologyIslamabad, Pakistan2017 — 2021
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