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Work Background
BuffermusicCo-Founder
Apr. 2023Athens, Attiki, Greece
ZAPANTIS GRIGORIOSFreelance Software Engineer - Database Developer
Dec. 2019Athens, Attiki, Greece.NET SOFTWARE ENGINEER DATABASE DEVELOPER DATA WAREHOUSE ENGINEER
ZAPANTIS GRIGORIOSSenior Data Engineer - Software Engineer
Dec. 2019Athens, Attiki, GreeceSENIOR DATA ENGINEER SENIOR .NET SOFTWARE ENGINEER
DATA WAREHOUSE ENGINEER
Hellas DirectData Warehouse Engineer - Software Engineer
Oct. 2019Athens, Attiki, GreeceData Warehouse Analysis And Full Cycle Implementation. ETL Custom Implementation.
Cepal Hellas Financial Services S.A.Senior Database Developer - Backend .NET Developer
May. 2018 - Oct. 2019Greece, Athens• Query Optimization and Database Tuning, Stored Procedure and Functions Programming on SQL Server. • Sql Server Integration Services Solutions For Integrating Data From Various Data Sources. • Sql Server Database Monitoring and Administration on Windows Server 2012(SQL Server 2016) • Configuration and Creation of PowerBI reports • Development of web apis (ASP WEB API 2.0) to cover company’s application needs. • Analysis and Development of various console applications (.Net, CSharp) • Development of ASP MVC Web App (.Net,CSharp, SQLServer) • Development of Both Windows Forms and WPF applications for Covering Dev Department Needs For Testing and Development. • .Net Core Api and Web App for monitoring company infrastructure.
IntaleDatabase Developer - .NET Developer - Linux Application Developer
Jul. 2015 - May. 2018Athens, Greece• Query Optimization and Database Tuning, Stored Procedure and Functions Programming on both SQL Server and MySQL. • Datawarehousing analysis, configuration and development using Microsoft Sql Server and MySQL. • Sql Server Integration Services Packages Creation For Transferring Data From Staging Environment to Datawarehouse Environment. • MySQL Database Monitoring and Administration on Debian Linux (MySSQL 5.5). • Sql Server Database Monitoring and Administration on Windows Server 2012(SQL Server 2012 - 2014) and Microsoft Azure • Linux Scripting (BASH) for every day processes of the system (e.g BackUps, space management, Data ETL from third party data sources) • Configuration and Creation of PowerBI reports for Enterprise Customers’ Reporting Needs • Development of web apis (ASP WEB API 2.0) to cover many of the company’s application needs. • Development of web application (ASP MVC 5.0, CSharp, JQuery) and Node.js application so as to use an sdk provided from an external application (Resin.IO), thus to provide the development team a web ui to interact. • Development of ASP MVC 5.0 wep app (C Sharp) for the monitoring of the company’s infrastructure. • Analysis and Development of various console applications (.Net, CSharp) for covering explicit customer and company needs. • Development of ASP MVC Web App (.Net,CSharp, SQLServer) for exporting data from our company database and send various reports to our enterprise customers. • Development of Both Windows Forms and WPF applications for Covering Dev Department Needs For Testing and Development.
ZuluTradeDatabase Developer - .Net Developer
Jul. 2013 - Jul. 2015Piraeus,Greece• MySQL Database Monitoring and Administration on CentOS Linux OS. • Automation and Monitoring of the Company’s Backup Procedures. • Query Optimization and Database Tuning (Indexes, Views), Stored Procedure & Functions Programming • Setup and Parameterization of Replication Scenarios for High Availability (Master – Master, Master – Replicas). • Linux Shell Scripting for the automation of various database and OS Operations. • Development and Maintenance of an Intranet Web Application for Monitoring of all the database servers (Schemas Size and growth over time), replication servers delays and error logs, users and privileges management (ASP MVC 5.0, C Sharp, JQuery). • Development and Maintenance of WPF Application for management of Company’s Database Users (User Info & Management, Privileges (Grants, Revokes) ). • Development and Maintenance of Console Application (C Sharp) for granting and revoking user privileges automatically (global, database, table). • Development of various tools using java, needed in workflows of the company hosted under linux machines (parsing csv files, inserting in database data from various sources etc).
EntersoftERP Consultant and Partners' Support
May. 2008 - Jun. 2013Athens, Greece• Business Development Department. Quality Assurance – Testing (1/6/2011 – Now) Review the application to assure it meets the quality criteria. Functional testing, implement and execute complex test scenarios. Release and delivery management. • Business Development Department. Partners’ and Customers’ Support on Entersoft’s new application Entersoft Mobile (1/2/2011 – Now) Analysis of new use cases specifically targeting mobile needs. Connection of Mobile Devices with the Backoffice ERP Application. Coverage of Sales and Service on the Road needs. • Services Department. Partners’ Support - Entersoft Products. (1/9/2009 – 1/2/2011) Case Analysis and Custom Implementation to cover specific scenarios of their customer’s everyday corporate needs. Organizing and delivering seminars to partners to get them acquainted with the features of Entersofts’ suite. SQL Programming (SQL Server 2008 R2 - SQL Server 2008 - SQL Server 2005), VB.NET/C# Programming on Entersofts’ Business Suite Framework to meet custom partners’ requirements. Implementation of new complex reports using SAP Crystal Reports Suite. • Services Department. Customer Consulting. (1/6/2008 – 1/9/2009) Installation and Configuration of Company’s ERP system (Database Server, Application Server of Entersoft Business Suite – Entersoft Expert) to cover specific customer needs. Analysis of further customer requirements, review of existing customers’ business processes and reimplementation of them when needed based on the newly installed ERP.
Msystems LTDWeb Administration and Programming
Jun. 2006 - May. 2008Athens, Greece• Administration and Customization of Company’s Web Page – www.msystems.gr (ASP/VB – SQL Server 2000). • Administration of Company’s ERP System (SoftOne Panorama).
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