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Balázs Dukát

@balazsdukat

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Data professional delivering reliable data pipelines, analytics, and operational insights.

United Kingdom

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What I'm looking for

I seek hands-on data engineering or analytics roles where I can improve data quality, build reliable pipelines, and enable operational decision-making in collaborative teams.

I am a data professional with 10+ years' experience delivering reliable data pipelines, dimensional models, performance forecasts, and analytics to support operational and commercial decision-making. I have a proven record of improving data quality at scale.

At Veolia I architected a single source of truth and ETL processes that reduced data errors by 50% and cut routing project delivery time by over six weeks, while building transformation pipelines that further reduced errors by 40% and accelerated timelines. I built a digital twin of 100,000+ service points and developed Power BI tools that enabled operations teams to audit data and drive data-driven decisions.

Earlier roles include lead data analyst work at Travelfusion improving performance analysis and conversion forecasting, database development at Avid Games, and full-stack and procurement analytics roles where I implemented inventory and purchase order systems and automated database tools. My technical toolkit spans Snowflake, Azure Databricks, Azure Data Warehouse, dbt, T-SQL, Python, Power BI, Metabase, MySQL, and GIS tools.

I am currently exploring LLM applications for analytics, contributing to an AI desktop assistant, and actively upskilling in Snowflake, dbt, Python, and VSCode while focusing on product improvement and strong stakeholder collaboration.

Experience

Work history, roles, and key accomplishments

Career Development Volunteer

Self Employed

Mar 2024 - Dec 2025 (1 year 9 months)

Exploring use of large language models for analytics, contributing to an AI desktop assistant, and upskilling in Snowflake, dbt, Python and VSCode while working on APIs and product improvements.

Snowflake DBT Python APIs VSCode Data Fetching

Analytics Engineer

Veolia

Jan 2020 - Feb 2024 (4 years 1 month)

Architected and implemented a single source of truth and ETL pipelines for commercial and municipal waste systems, reducing data errors by 50% and cutting routing project delivery time by 6+ weeks while enabling Operations to independently audit and resolve data quality issues.

DBT T SQL Power BI ETL AMCS Route Planner

Lead Data Analyst

Travelfusion

Feb 2018 - Dec 2019 (1 year 10 months)

Developed SQL-based performance analysis workflows and reporting that improved search-to-booking conversion and delivered forecasting and impact analysis for product and disruption scenarios.

SQL Metabase Data Analysis Forecasting Performance Optimization SQLite Reporting

Data Analyst

Health and Care

May 2017 - Feb 2018 (9 months)

Designed and implemented purchase order processing and inventory control systems, optimized product-range profitability, and forecasted stock levels to reduce warehousing costs.

Inventory Management Forecasting Google Sheets Data Analysis Reporting

Database Developer

Avid Games

Aug 2016 - Apr 2017 (8 months)

Developed stored procedures, triggers, and automated tests for mobile app backends as part of a CI/CD pipeline, and built tools for dependency tracking and documentation to improve refactoring efficiency.

MySQL Stored Procedures CI CD Automated Testing Dependency Track C++Git Database Development

Junior Full Stack Developer

Elstead Lighting

Apr 2015 - Aug 2016 (1 year 4 months)

Designed and implemented an automated stock management decision system and internal information system, and implemented a database for shipment and product data management to streamline inventory operations.

MySQL PHP C++Database Design Automation

Education

Degrees, certifications, and relevant coursework

University of Miskolc

Master's degree, Materials Engineering

2004 - 2009

Grade: 2:1 equivalent

Activities and societies: Selmeci Hagyomanyorzok student society; performed as a Fuchsmajor at society events and underwent training emphasizing resilience, restraint, and problem solving.

Completed a Master's degree in Materials Engineering with a 2:1 equivalent; participated actively in the Selmeci Hagyomanyorzok student society focusing on traditional practices and problem-solving training.