
Sajjad Ali
Building production ready AI systems for real businesses
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Portfólio
Experiência profissional
Ai and Backend Developer
Datalytics Ai • Período integral
Jun 2025 - Present • 11 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
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buttwaqar8
Cliente recorrente

Emirados Árabes Unidos
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
Resposta do freelancer

buttwaqar8
Cliente recorrente

Emirados Árabes Unidos
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

Resposta do freelancer