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markkien766

Mark A

@markkien766

AI LLM Engineer

Philippines
English
About me
I am an AI Engineer specializing in Large Language Models (LLMs), RAG, model fine-tuning, and reinforcement learning. I have extensive experience designing generative AI applications, intelligent agents, and production-grade machine learning solutions using Python, PyTorch, and transformer architectures.... Read more

Skills

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markkien766
Mark A
Offline • 
Average response time: 1 hour

See my services

AI Technology Consulting
I will identify where ai can reduce cost and automate work

Portfolio

Work experience

Ineffable_Interiors

AI / LLM Engineer

Ineffable Interiors • Full-time

Feb 2025 - Oct 2025 • 8 mos

 Designed LLM-powered applications combining retrieval, embeddings, structured generation, and backend services.  Architected RAG workflows for enterprise knowledge discovery, including ingestion, chunking, retrieval, reranking, context construction, and grounded generation.  Reduced fine-tuning GPU memory consumption by approximately 60% using QLoRA, allowing larger models to be trainedonthe available GPU infrastructure.  Developed evaluation workflows for answer quality, retrieval relevance, latency, reliability, and model cost.

Dynamo

AI Engineer

Dynamo • Freelance

Apr 2021 - Nov 2022 • 1 yr 7 mos

 Developed Transformer-based NLP systems for document classification, information extraction, semantic similarity, andquestion answering.  Fine-tuned BERT and other Transformer models on domain-specific datasets.  Built automated benchmark pipelines for evaluating model quality across instruction following, reasoning, extraction, summarization, and domain-specific tasks  Improved document classification F1 score from 82% to 93% through data augmentation, fine-tuning, and hyperparameter optimization.