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Artak Martirosyan

Artak Martirosyan

Armenia

Web Programming · Databases & SQL

0 0
166
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I have a Ph.D. in Actuarial, Financial Mathematics and Statistics and more than 18 years of work experience with web (PHP, MySQL, MS SQL, PostgreSQL, Yii/Yii2, CodeIgniter, Laravel and Symfony2 Frameworks, HTML, CSS, Bootstrap, Datatables, Ajax, Javascript, JQuery, PHPExcel, Highcharts, Chart.js, Google charts, WordPress Plugins, REST/JSON APIs,...) development, SQL, MS Office, Researches, analyses, reporting, databases, statistics, SPSS, SAP Crystal Reports,...
Anna K.

Anna K.

Ukraine

Python · Databases & SQL

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165
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Database design and optimization (SQLite/PostgreSQL).
135
Database design and optimization (SQLite/PostgreSQL).
Databases & SQL
As part of the portal development, I designed the database structure to ensure quick access to publications and their categories. I set up many-to-many relationships for tags and one-to-many relationships for authors. I worked on optimizing queries…
Dmitro K.

Dmitro K.

Ukraine

Databases & SQL · Web Programming

5 1
4.3
165
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Analytics
145
Analytics
Databases & SQL
Tools for collecting, processing, and visualizing company data.
Crypto
109
Crypto
Databases & SQL
CRM for monitoring and accounting of cryptocurrency assets and transactions.
Commerce
123
Commerce
Databases & SQL
CRM management of sales, customers, and financial operations.