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Sultan Sagynov

@sulasagynov

AI/ML Engineer with 5+ years of professional experience: starting in process engineering, moving into data science, and now building production LLM systems.

AI/ML Engineer with 5+ years of professional experience: starting in process engineering, moving into data science, and now building production LLM systems.

Career

Experience: 5 years

Experience

AI/ML Engineer

NITEC

Mar 2025 — Present

● Improved the accuracy of the RAG-based Egov AI chatbot by 5% through a reranking system ● Advanced RAG pipeline for an agricultural subsidies chatbot, implementing caching to reduce token usage by 25% ● Developed benchmarks to evaluate RAG pipelines, LLMs, and embedding models ● Deployed LLMs on CPU/GPU infrastructure using Docker and vector database servers; created APIs for a text-to-SQL bot

Data Analyst and Scientist

Rosen Group

Oct 2021 — Mar 2025

● Designed and implemented a classifier for pipeline weld signals, reducing processing time by 13% ● Improved prediction accuracy by 10 % for internal vs. external pipeline defect classification with hyperparameter tuning ● Increased pipeline bend detection accuracy by 6% by generating supportive synthetic data

Education

BSc Chemical Engineering

Nazarbayev University

2015 — 2019

Skills

PythonSQLMLAIDS