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notsaju

Sajjad Ali

@notsaju
5.0(2)

Building production ready AI systems for real businesses

Pakistan
English, Urdu
About me
I'm Sajjad, a Full Stack AI Developer with 2+ years of experience building AI-powered web applications, scalable backend systems, and modern full-stack solutions. I specialize in Python, React, Next.js, Django, FastAPI, AI integrations, Voice AI, and cloud-based applications. I focus on clean architecture, maintainable code, and reliable production-ready solutions while ensuring clear communication and timely delivery.... Read more

Skills

n
notsaju
Sajjad Ali
Offline • 
Average response time: 1 hour

See my services

Bug Fixes
I will fix bugs in your vibe coded react and python web app
From$15 / projectMore details
Troubleshooting & Improvements
I will integrate any apis and fix bugs in your react and python web app
From$15 / projectMore details

Portfolio

Work experience

Ai and Backend Developer

Datalytics Ai • Full-time

Jun 2025 - Present • 1 yr 3 mos

Architected and developed highly scalable RESTful APIs using Django REST Framework and FastAPI to support AI-driven and real-time voice applications. • Built a production-grade VOIP system on SignalWire with custom call flows, barge-in handling, and low-latency call control. • Integrated speech-to-text (STT) and text-to-speech (TTS) pipelines to enable real-time conversational AI agents. • Designed and deployed AI agents for document parsing, text summarization, and intelligent information extrac tion using NLP and LLM workflows. • Implemented AWS S3–based cloud storage and processing pipelines, ensuring scalability, fault tolerance, and secure file handling. • Collaborated with frontend, AI, and product teams to deliver CRM-style platforms with analytics dashboards, role-based access control, and production-ready deployments

2 Reviews
5.0

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Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
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    buttwaqar8

    AE

    United Arab Emirates

    Ongoing collaboration
    5

    After first great experience i came back to him again and again he delivered great result awesome service excellent communication and fast delivery highly recommended. Definitely going to place more order in future

    $50

    Price

    Helpful?
    Yes
    No
    B
    image-docs

    buttwaqar8

    AE

    United Arab Emirates

    Ongoing collaboration
    5

    I'm so impressed and very grateful. Thank you ever so much. Highly recommended, very professional, communication was great, end result perfect.... I will definitely use again, if necessary. I'm just extremely happy and grateful for the help. Thank you so much

    $50

    Price

    Worksample image
    Helpful?
    Yes
    No