
Afzal K
AI Engineer
Skills

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Work experience
AI Engineer
Covalent Private Limited • Full-time
Feb 2025 - Present • 1 yr 3 mos
Designed and deployed AI-driven document intelligence systems using CNNs, OCR, and NLP, improving verification accuracy by 20%. • Built scalable FastAPI-based intelligent APIs for CNIC OCR, multilingual transliteration, and authentication services, reducing response latency by 35%. • Integrated LLMs (LLaMA 3.1, GPT-based OSS models) for document understanding, text-to-SQL generation, and knowledge extraction. • Implemented embedding-based semantic search using vector databases to enable efficient retrieval over structured and unstructured data. • Fine-tuned LLMs using Unsloth for Roman Urdu and multilingual NLP use cases. • Deployed AI workloads on cloud and local GPU environments, ensuring performance optimization and data privacy compliance. • Maintained model versioning, reproducibility, and documentation using Git and standardized ML workflows.
AI Backend Engineer
ITechGemini • Part-time
May 2024 - Present • 2 yrs
Designed and developed scalable RESTful backend services using FastAPI, Flask, and Django for AI-enabled applications. • Architected and implemented the complete backend for AI Vocalis – AI Text to Speech, a live mobile application on the Google Play Store. • Integrated ElevenLabs Text-to-Speech APIs and OpenAI models to generate high-quality, natural-sounding speech from user-provided text. • Implemented multi-language TTS support, voice selection, and audio customization features including pitch, tone, and speed control. • Built secure APIs for audio generation, storage, download, and sharing, ensuring low-latency AI inference and efficient resource utilization. • Managed AI request orchestration, rate-limiting, and token usage for third-party AI services to ensure scalability and cost optimization. • Containerized backend services using Docker and deployed production workloads on cloud infrastructure, ensuring high availability. • Collaborated with mobile and frontend teams to deliver an end-to-end AI-powered voice platform. • Live App: AI Vocalis – Google Play Store