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$50 USD / hora
Bandera de GREECE
vouliagmeni, greece
$50 USD / hora
La hora actual es 10:31 p. m.
Se unió abril 29, 2022
6 recomendaciones

Alexandros B.


5,0 (113 comentarios)
$50 USD / hora
Bandera de GREECE
vouliagmeni, greece
$50 USD / hora
98 %
Trabajos finalizados
96 %
Dentro del presupuesto
98 %
A tiempo
21 %
Tasa de recontratación

SQL | Access | Excel | VBA | Web Aps | Top 2%

I have more than 30 years of experience in Data Modeling and Analysis, specializing in the Industrial Production sector. I work with MS SQL, MySQL, SAP, Excel, Access, Power BI. Since 1990, I have completed many projects in Production Control, Production Data Acquisition (machine data acquired from PLCs, scales, etc.). I also program with T/SQL through stored procedures and table triggers. I have also created many projects in MS Excel and MS Access. I guarantee 100% quality execution of your project. I can work 20/30 hours/week.
Freelancer Excel Experts Greece

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Elementos del portafolio

Example Flowcharts of an Automated Robotic Handling System.
Flowcharts - Systems Analysis
Example Flowcharts of an Automated Robotic Handling System.
Flowcharts - Systems Analysis
Excel Spreadsheet for Tracking Stock Price with Buy and Sell Signals with Color Symbols Using Custom Formatting
Excel Spreadsheet for the Stock Market
Pallets are loaded from a fully Automated Handling System.
The Robot places the Items on the Pallet and the Automation System updates the Database.
Whith the use of Table Triggers (SQL code that fires when we have a Insert/Update/Delete event in the table).
Pallets Movement System
A web interface for a Production Weighing System build in PHP utilizing Webshockets.
The system is connected to a scale and reteives the Product Gross Weight.
All Production data are saved in a MS SQL Server Database.
Production Weighing System
With use of Heursitic Algorithms the system is trying to find the best area match of Rolls (max rolls) on a Pallet.
The algorithm finds all possible solutions. And suggests for the Optimal solution.
Full parametrical with different:

- Material thickness (affects roll diameter)
- Core diameters (affects roll diameter)
- Role Length (affects roll diameter)
- Pallet types (different pallet sizes)
Palletization Algorithm, Excel VBA
System's and Data Analysis in order to create a normalized Relational Database Model.
Complex SQL Programming in SQL Server or MySQL (Queries, Stored Procedures, Triggers).
Relational Database Modeling


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Mostrando 1 - 5 de 50+ reseñas
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€80,00 EUR
great work great professional
Excel Excel Macros
Bandera de Samuel P. @samuel042
hace 1 día
$585,00 USD
I would definitely work with him again.
Database Development Airtable
Bandera de Deborah D. @deborahdanuser
hace 1 día
€50,00 EUR
Alexandros is really professional, he did the work within the deadline, delivered a perfect product and assisted me in setting it up and using it. Would definitely recommend.
Data Processing Excel Microsoft Access
Bandera de Livio M. @AntonioTerrei
hace 17 días
$30,00 USD
He is one of the best freelancers to work with, he worked with me hours to give me solution and he has the best attitude and personality, highly recommended!!!
SQL Database Administration Microsoft SQL Server T-SQL (Transact Structures Query Language)
Bandera de Abdul M. @resource19831983
hace 18 días
$200,00 USD
Alex handled our VBA project very well, making tweaks as needed in quick fashion, delivering ahead of schedule. Would work with him again for sure.
Microsoft Access MySQL Excel VBA
Bandera de Don M. @dmeehanjr
hace 19 días


Senior Systems Analyst, Project Manager

Flexopack S.A.
ene 2003 - Presente
Many years of experience in systems analysis, Relational Database Models design, SQL programming and documenting (ERD, flowcharts, data dictionaries), especially in industrial production projects. The latest project, is a large scale web based Data Collection System for a production process with IoT capabilities. Connected to scales and various sensors. Through WebSockets, data are viewed simultaneously on operator screens and on the administration system. Also the system sends data to SAP


PhD in Industrial Engineering

National Technical University of Athens, Greece 1990 - 1993
(3 años)

Bachelors Degree Mechanical Engineering, specialize in Industrial Engineering

National Technical University of Athens, Greece 1983 - 1989
(6 años)


Member of Institute of Industrial & Systems Engineers

IISE is the global association of productivity and efficiency professionals specializing in industrial engineering, healthcare, ergonomics and other related professions. IISE is where these varied fields come together to advance the engineering profession through networking, training, and knowledge sharing.

Member of Production and Operations Management Society

POMS - Production and Operations Management Society
Production and Operations Management Society (POMS) is an international professional organization representing the interests of POM professionals from around the world.


Development of an IT Application for Online Statistical Surveys

Conference: Consolidation of the Statistical Systems of EU Candidate Countries, Romania 2006
Development of an IT Application for Online Statistical Surveys

Orders Loading and Release in Flow Shops including Outsourcing Networks

January 2006IFIP International Federation for Information Processing 257:75-92
Purpose of this paper is to analyse and compare the behavior of workload control models in flow shops of both the MTO (Make-To-Order) and MTS (Make-To-Stock) classes. A simulation model has been built, where a manufacturing cell is loaded through an input control mechanism with shop orders coming from a pool. The pool itself is fed with planned orders coming from an MRP system.

A methodology and Simulation of Workload Control in Cellular Manufacturing

In this paper, a new approach of Workload Control of a Manufacturing Cell is presented. An effort is made to develop a model, using a computer simulation language, to extract conclusions about the application of workload control methodology in cellular manufacturing environment. The manufacturing cell is loaded with work orders using an input control mechanism 'the pool' that is also loaded by planned orders from an MRP system.

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Principales habilidades

Excel 77 Data Processing 58 Visual Basic 55 SQL 52 Data Entry 47

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