Aidin Zehtab

AidinZehtab

AI Tech Lead.I buildLLM products

8+years shipping ML to production
3published papers
4industries: health, fintech, consumer, poetry
1offline deployment that survived a national internet outage

Selected work

Language models and AI features for Persian speakers, built end to end.

Persian classical poetry LLM

Dataset design, an instruction-tuning set built to cut hallucinations, multi-stage training (continued pre-training, then SFT) on multi-GPU infrastructure, tiered cloud storage for artifacts, and an automated checkpoint evaluation framework.

  • Fine-tuning
  • Multi-GPU
  • Evaluation
  • MinIO

Zigap

An AI assistant with real-time news search, voice-driven music streaming, and a memory module that recalls user preferences.

  • RAG
  • Voice
  • Memory

Prescription reader

Multimodal models extract drug names from physician prescriptions, with fine-tuned lightweight LLMs correcting noisy spellings. Manual verification time dropped.

  • Multimodal
  • OCR
  • Healthcare

Banking assistant

A context-aware LLM chatbot for Maskan Bank that answers banking questions and acts as a financial assistant.

  • LLM chatbot
  • Fintech

Experience

Where the work happened.

AI Tech Lead · Persian Poetry (smilinno hub)

Apr 2026 – present · Tehran

  • Owns the fine-tuning pipeline, dataset design and evaluation for a Persian poetry language model.
  • Resolved framework and infrastructure issues to reach stable multi-GPU training runs.

AI Tech Lead · Zigap (smilinno hub)

Mar 2024 – present · Tehran

  • Shipped news search, voice music search and a personalization memory module.
  • Ran topic modeling on user data to surface satisfaction insights.
  • Built a local deployment that kept service running through nationwide internet outages.

ML Consultant · Darmankade (part-time)

Jun 2024 – Apr 2025 · Remote

  • Prescription digitization with multimodal models and fine-tuned LLM spelling correction.

AI Tech Lead · Navaco (Maskan Bank)

2024 · Tehran

  • Designed and built an LLM banking chatbot and financial assistant.

ML Developer · Darmankade

Jun 2023 – Jun 2024 · Tehran

  • Built a symptom checker and improved the doctor recommender by 20%.

ML Developer · Timora

Aug 2022 – Jun 2023 · Tehran

  • Recommendation and personalization algorithms for a social media platform, a 10% overall improvement.

ML Developer · Freelance

Jun 2020 – Aug 2022 · Remote

  • Fault prediction from 78% to 86%, price prediction at 88.3% F-score, credit risk at 95% F-score, multilingual NER at 84%, federated classifier from 80% to 86%.

NLP Developer · ComInSys Lab

Oct 2018 – Sep 2020 · Tabriz

  • Python NLP tooling: tokenization, spell checking, NER, POS tagging, similarity analysis.

Skills

The whole stack, from training to deployment.

AI / ML

  • LLMs
  • Fine-tuning
  • RAG
  • Reranking
  • Prompt engineering
  • Transformers
  • PyTorch
  • TensorFlow

Backend

  • Python
  • FastAPI
  • REST
  • SQL
  • NoSQL
  • Git

Cloud and infrastructure

  • Azure
  • AWS S3
  • MinIO
  • HuggingFace Hub
  • Docker
  • Linux
  • Gunicorn
  • Azure DevOps

Leadership

  • Architecture
  • Technical decisions
  • Code review
  • Mentoring
  • Planning

Papers

Research on keyword extraction, multimodal prediction and sensor-based activity recognition.

Open to new projects.

Open to conversations about LLM products, fine-tuning, and Persian-language AI.

aidinzehtab[at]gmail.com
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