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ZA

Zhanna Arystanbekova

@zhannamaratovna-workConnected with DSML. This person's Telegram account has been confirmed through DSML Kazakhstan.

ML and data enginner with work experience of 2 years

Data analyst, data scientist, data engineer. Currently studying a Master's in Applied AI. Interested in data analysis, machine learning, NLP, and building practical data-driven solutions.

Career

Experience: 2 years

Experience

Data Analyst Intern

Bilim Group LLP, BilimLand

Exclusive partner of the Coursera

Jun 2024 — Jul 2024

Built Python data-filtering solutions and supported analysis, reporting, and visualization.

• Developed software solutions for data filtering using Python (Pandas, Natural Language ToolKit, openpyxl). • Used Excel and Power BI for data analysis, reporting, and visualization in the Technical Support and Analytics Team.

Manager

Training Center M&C

School of Competitive Programming

Jul 2025 — Sep 2025

Coordinated student activities, monitored progress, and handled administrative reporting.

• Coordinated student activities and ensured adherence to the curriculum. • Monitored students’ progress and promptly resolved arising issues. • Used Excel for administrative reporting.

ML-engineer

Kazgisa LLP

Feb 2026 — Present

Analyzes civic-request data and builds data workflows, dashboards, and ML analyses for akimat stakeholders.

• Analyzed datasets to identify trends and anomalies using Python and analytical libraries. • Built dashboards and performed data analysis with BI tools (Metabase, Grafana). • Wrote and optimized SQL queries; worked with relational databases. • Integrated systems via REST API: sending and receiving requests in JSON, testing with Postman. • Performed data preprocessing: cleaning, normalization, and preparation of datasets for analysis. • Applied machine learning algorithms for data analysis: clustering (K-Means), decision trees, linear and logistic regression, Isolation Forest.

Education

Bachelor’s Degree, Software Engineering

Astana IT University

2022 — 2025

Master's degree, Applied Artificial Intelligence

Astana IT University

2025 — 2027

Selected projects

REST API Development

Designed and developed a Node.js (Express) REST API with MongoDB/Mongoose, CRUD endpoints, JSON exchange, request testing, error handling, input validation, and middleware.

User Review Analysis

Cleaned user-review data, extracted text features, examined linguistic heterogeneity, and compared classification models using accuracy, precision, recall, and F1-score.

ETL-Pipeline of Tengrinews

Built an Airflow ETL pipeline to scrape and categorize news and load it into PostgreSQL with idempotent UPSERTs; added unit tests, Docker deployment, and GitHub Actions CI.

Open project

Skills

NLPLLMRAGPythonData AnalyticsData EngineeringWeb TechnologiesAlgorithms and Data StructuresDatabase Management SystemsAdvanced Databases (NoSQL)Software ArchitectureCloud ComputingData MiningFoundations of AI: Theory and Applications.