Shamkhal Hajiyev

Data Scientist · Data Engineer · Advanced Analytics Specialist

Azure Certified professional with 4+ years of experience in data science, engineering, and analytics. Specializing in machine learning, ETL pipelines, and business intelligence solutions.

4 Microsoft Azure Certifications
M.A. Data Science & Business Analytics
4+ Years Professional Experience
Download CV (PDF)

Updated: August 2024

Location Wroclaw, Poland
LinkedIn shamkhalhajiyev

Professional Summary

Results-driven Data Scientist and Data Engineer with expertise in developing scalable machine learning solutions, building robust ETL pipelines, and creating advanced analytics systems. Proven track record of delivering data-driven insights that drive business growth and operational efficiency.

Specialized in Azure cloud technologies, with experience in predictive modeling, data warehousing, and business intelligence. Strong background in both technical implementation and business strategy, enabling effective communication between technical teams and stakeholders.

Key Achievements

Sales Forecasting Excellence

Developed and deployed 90%-accurate sales forecasting models, reducing planning time by 95% and enabling data-driven strategic decisions.

Customer Retention Impact

Built 95%-accurate churn prediction models, improving customer retention by 15% and protecting $2.3M in annual revenue.

Data Pipeline Optimization

Modernized ETL processes achieving 40% performance improvement and 10x increase in data processing capacity.

Professional Experience

Data Science Specialist

Align Technology
Jan 2023 - Present Wrocław, Poland

Leading data science initiatives and developing advanced analytics solutions for customer retention and sales optimization.

Key Responsibilities & Achievements:
  • Machine Learning Development: Created and deployed 95%-accurate customer churn classification models using XGBoost, integrated into live Power BI dashboards
  • Predictive Analytics: Built automated sales forecasting system with 90% accuracy using time series models (Prophet, SARIMA)
  • Data Engineering: Developed scalable framework connecting Power BI with Azure Data Lake using Polars and REST APIs
  • Business Intelligence: Automated monthly KPI calculations and dashboard updates, serving 50+ sales team members
  • Performance Optimization: Implemented multiprocessing and chunking strategies, achieving 40% performance improvement

Data Scientist

CRISIL Global Research & Risk Solutions
Apr 2021 - Dec 2022 Wrocław, Poland

Developed financial analytics solutions and maintained data infrastructure for portfolio risk assessment.

Key Responsibilities & Achievements:
  • Financial Analytics Platform: Built interactive Dash application for portfolio risk assessment and asset allocation optimization
  • Data Infrastructure: Managed MySQL Server database with monthly ETL updates using Python (Luigi, Pandas, NumPy)
  • Risk Modeling: Collaborated on predictive models for financial risk assessment and investment strategy optimization
  • Deployment: Containerized application using Docker for scalable deployment and maintenance

Education

Ph.D. in Computer Science and Mathematics (Incomplete)

University of Wrocław Oct 2021 - Sep 2023

Focus Areas: Machine Learning, Deep Learning, Natural Language Processing, Optimization

Master of Arts in Data Science and Business Analytics

University of Warsaw Oct 2019 - Jul 2021

Key Courses: Algorithms & Data Structures, Python Programming, R Programming, Big Data Analytics, Database Systems

Bachelor of Science in Economics

ADA University Sep 2014 - Jul 2019

Key Courses: Economics, Statistics, Econometrics, Game Theory, Decision Systems

Technical Skills

Programming Languages
Python (Advanced) SQL (Advanced) R (Intermediate) Bash (Intermediate)
Machine Learning & AI
Scikit-learn XGBoost Deep Learning NLP Time Series
Data Engineering
ETL Pipelines Azure Data Lake Polars Luigi MySQL
Cloud & DevOps
Azure ML Azure Databricks Docker Git REST APIs
Analytics & BI
Power BI Dash Statistics KPI Development
Project Management
Agile JIRA Confluence Stakeholder Management

Professional Certifications

Microsoft Certified: Azure Data Scientist Associate

DP-100 - Advanced machine learning and data science on Azure

Microsoft Certified: Azure Fundamentals

AZ-900 - Core Azure services and cloud concepts

Microsoft Certified: Azure Data Fundamentals

DP-900 - Core data concepts and Azure data services

Microsoft Certified: Azure AI Fundamentals

AI-900 - Artificial intelligence and machine learning concepts

Languages

English Fluent (Professional)
Azerbaijani Native
Turkish Fluent
German Basic (Learning)

Interested in Collaboration?

I'm always open to discussing new opportunities, interesting problems, or potential collaborations.

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