Available to hire
I am Zaafir Rizwan, an AI Engineer with 3+ years of experience shipping production-grade AI systems at sub-500ms latency. I specialize in Real-Time Voice AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Multimodal Generative AI, and cloud-native MLOps.\n\nI have a proven track record of reducing operational costs by 40%, accelerating deployment cycles by 60%, and architecting scalable infrastructure across GCP, Azure, and AWS in fast-paced startup environments.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Urdu
Advanced
Work Experience
Senior AI Engineer at Quest Lab
November 1, 2023 - October 15, 2025Led the development of advanced video understanding AI leveraging Gemini’s multimodal capabilities for real-time analysis and content summarization. Architected ComfyUI solutions for image generation, editing, and video synthesis enabling flexible multimedia workflows. Engineered complex Retrieval-Augmented Generation (RAG) systems with custom training on organizational datasets to improve semantic search and retrieval precision. Designed autonomous AI agents with enhanced prompt engineering to achieve high-quality conversational task completions. Integrated Speech-to-Text and Text-to-Speech solutions with Whisper, OpenAI, and ElevenLabs APIs to launch voice-enabled features and improve product accessibility. Built scalable AI infrastructure with CI/CD pipelines, automated monitoring, and cloud cost optimizations ensuring high reliability. Spearheaded data engineering pipelines using Azure Data Factory to enable accurate time series forecasting in livestock management applications. D
AI Research Intern at Folio3
July 31, 2022 - August 26, 2025Developed advanced computer vision models using PyTorch and OpenCV for an automated product tagging system that influenced the company’s AI strategy. Gained end-to-end experience in the machine learning workflow including data preprocessing, feature engineering, model experimentation, evaluation, and cloud-based deployment strategies. Provided technical leadership through model performance analysis and data-driven presentations, informing senior engineering decisions for ongoing AI initiatives.
Senior AI Engineer at Quest Lab (AI Startup)
October 1, 2025 - October 1, 2025Architected advanced RAG and multimodal systems; fine-tuned compact language models for targeted applications; built an end-to-end Livestock Demand Forecasting pipeline via Azure Data Factory; implemented cutting-edge video analysis with Grounding DINO and Gemini for video understanding; developed AI-powered resume scoring and automated product visualization workflows.
AI Research Intern at Folio3
July 1, 2022 - July 1, 2022Developed deep learning computer vision models with PyTorch and transformer architectures; implemented production-grade code practices and automated tagging systems; built end-to-end ML workflows and cloud deployments using MLOps best practices and containerized AI applications.
Senior AI Engineer at Quest Lab (AI Startup)
November 1, 2023 - October 1, 2025Architected a sophisticated Retrieval-Augmented Generation (RAG) system capable of understanding both explicit and implicit knowledge from multimodal data sources. Fine-tuned compact language models for targeted business applications. Built end-to-end data pipelines (including livestock demand forecasting) and advanced video analysis using Grounding DINO, along with AI-driven recruitment and generative product visualization workflows. Delivered containerized deployments with Docker and Kubernetes, achieving 99.9% uptime and faster release cycles.
Senior Voice AI Engineer at Trifusion Tech
December 1, 2025 - PresentArchitected production voice agents with LiveKit achieving sub-500ms latency for real-time conversations using Deepgram STT, LLM processing, and Cartesia/Minimax/ElevenLabs TTS. Integrated NetSapiens enterprise telephony via SIP trunk and WebRTC, enabling seamless voice AI deployment at scale. Implemented observability infrastructure with OpenTelemetry and ClickHouse for real-time performance monitoring and distributed tracing across multi-cloud deployments (GCP, Azure). Developed MCP calendar integrations enabling voice agents to intelligently manage scheduling through natural conversation.
DevOps Engineer (Freelance) at Remote Contract
December 1, 2025 - January 1, 2026Designed CI/CD pipelines with GitHub Actions for microservices architecture, automating build, test, and deployment workflows. Integrated Doppler for centralized secrets management with automated rotation across multiple environments. Built Docker containerization strategy with multi-stage Dockerfiles and automated image versioning.
Senior AI Engineer at Trifusion Tech
December 1, 2025 - PresentDesigned and deployed production-grade voice AI infrastructure using LiveKit and WebRTC, achieving sub-500ms latency for real-time conversational AI at scale. Built end-to-end speech processing pipelines integrating Deepgram (STT) and Cartesia/ElevenLabs (TTS), deployed on NetSapiens with SIP trunk connectivity. Established LLMOps observability using OpenTelemetry and ClickHouse, reducing deployment cycles by 60% and improving model reliability. Implemented Model Context Protocol (MCP) integrations enabling voice agents with autonomous reasoning, function calling, and enterprise system management.
Education
Bachelor of Science in Artificial Intelligence at National University of Computer and Emerging Sciences (NUCES)
August 19, 2019 - June 13, 2023Bachelor of Science at National University of Computer and Emerging Sciences (NUCES) - Islamabad
January 1, 2019 - January 1, 2023Bachelor of Science in Artificial Intelligence at National University of Computer and Emerging Sciences (NUCES)
January 1, 2019 - January 1, 2023Bachelor of Science in Artificial Intelligence at National University of Computer and Emerging Sciences (NUCES)
January 1, 2019 - January 1, 2023Qualifications
Introduction to Data Engineering Specialization – Coursera
January 1, 2025 - August 26, 2025Source Systems, Data Ingestion, and Pipelines – Coursera
January 1, 2025 - August 26, 2025Deep Learning Specialization – Coursera
January 1, 2023 - August 26, 2025AWS Machine Learning Engineer Nanodegree – Udacity
January 1, 2023 - August 26, 2025AI Programming with Python Nanodegree – Udacity
January 1, 2023 - August 26, 2025Introduction to Data Engineering Specialization – Coursera
January 1, 2025 - January 1, 2025Source Systems, Data Ingestion, and Pipelines – Coursera
January 1, 2025 - January 1, 2025Deep Learning Specialization – Coursera
January 1, 2023 - January 1, 2023AWS Machine Learning Engineer Nanodegree – Udacity
January 1, 2023 - January 1, 2023AI Programming with Python Nanodegree – Udacity
January 1, 2023 - January 1, 2023Introduction to Data Engineering Specialization
January 1, 2025 - December 29, 2025Source Systems, Data Ingestion, and Pipelines – Coursera
January 1, 2025 - December 29, 2025Deep Learning Specialization
January 1, 2023 - December 29, 2025AWS Machine Learning Engineer Nanodegree
January 1, 2023 - December 29, 2025AI Programming with Python Nanodegree
January 1, 2023 - December 29, 2025Deep Learning Specialization
January 1, 2023 - February 23, 2026AWS ML Engineer Nanodegree
January 1, 2023 - February 23, 2026Data Engineering Specialization
January 1, 2025 - February 23, 2026AI Programming with Python
January 1, 2023 - February 23, 2026Machine Learning Engineer Nanodegree
January 1, 2023 - January 1, 2023Deep Learning Specialization
January 1, 2023 - January 1, 2023Source Systems & Data Ingestion
January 1, 2025 - January 1, 2025Industry Experience
Software & Internet, Agriculture & Mining, Professional Services, Media & Entertainment, Telecommunications, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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