Hi, I’m
Gergely Sebestyén
Central European System Development Manager
Szigetszentmiklós
Summary
I have more than 20 years of experience in sales retailer company in several positions. I worked in the Central European area in the last 7 years. I worked near to the IT development side in the last couple of years and created many new process and reports for business. I mainly use Hadoop with Alation to creating reports, KPI measurements and I visualize the data in Tableau or Excel for the business users. I certificate the Software developer qualification in 2022 (C#, HTML, CSS, JS, PHP, SQL).
Overview
20
years of professional experience
7
years of post-secondary education
2
Languages
Work History
TescoBudaörs
CE System Development Manager
05.2020 - Current
Job overview
- Creating reports in big data environment (Hadoop & Alation)
- Visualizing created reports in Excel and Tableau dashboards
- Working with 3 country business users
- Creating and measuring test scenarios, plan rollouts in live environment
TescoBudaörs
Group Ordering Deployment Manager
07.2019 - 05.2020
Job overview
- Deploy on IT and business side a new automatic ordering system in CE countries
- New system working around 800 stores and 22k items on daily level
- Creating new process, excel macros and reports for business users
- Trainings from new system
TescoBudaörs
Store Ordering Manager
02.2019 - 07.2019
Job overview
- Monitoring around 200 stores stock, sales and waste data and KPI results.
- Managing ordering system volume for distribution centers on daily level.
TescoBudaörs
Group Ordering System Settings Specialist
09.2016 - 02.2019
Job overview
- Creating forecast for different sales period on Fresh food area
- Controlling ordering system
- Create Excel and Access macro and automatize reports
TescoBudaörs
Freshfood Planner
09.2008 - 09.2016
Job overview
- Calculating and forecasting range and promotional items future sales and stock
- Creating order plan each item and stores based on suppliers delivery schedule
- Improve daily availability and controlling waste
TescoGyőr
Store System Administrator
03.2003 - 09.2008
Job overview
- Controlling store inventory and stock accuracy
- Maintenance IT tools, such as computers, printers and scanners in store
Education
Ruander Oktatási Kft.Budapest
Technical Qualification from Software Developer
10.2020 - 02.2022
Szent-Györgyi Albert Secondary SchoolGyőr
Technical Qualification from Environmental Protection And Water Management Tech
09.2001 - 06.2002
Szent-Györgyi Albert Secondary SchoolGyőr
Graduation
09.1996 - 06.2001
Skills
Critical thinking
Self&Fast learner
Mentoring and training
Team player
Individual working
Story telling
Presenting in front of a large audience
Analitical thinking
Data modelling and aggregation
High load capacity
SQL scripting (Hive & Spark)
MS Excel and Access
MS VBA
C#, CSS, HTML, JS
Tableau
Additional Information
I'm married and have 3 children. I want to move Belgium with my family without relocation support. Hobbies are: reading, bicycling, playing video games, spending time for my family and friends.
Timeline
Ruander Oktatási Kft.
Technical Qualification from Software Developer
10.2020 - 02.2022
CE System Development Manager
Tesco
05.2020 - Current
Group Ordering Deployment Manager
Tesco
07.2019 - 05.2020
Store Ordering Manager
Tesco
02.2019 - 07.2019
Group Ordering System Settings Specialist
Tesco
09.2016 - 02.2019
Freshfood Planner
Tesco
09.2008 - 09.2016
Store System Administrator
Tesco
03.2003 - 09.2008
Szent-Györgyi Albert Secondary School
Technical Qualification from Environmental Protection And Water Management Tech
09.2001 - 06.2002
Szent-Györgyi Albert Secondary School
Graduation
09.1996 - 06.2001