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Dimitris Xenophos

@dimitrisxenophos

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SQL Developer at Freelance, migrating legacy databases to MySQL and building custom web applications.

Greece

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As a Freelance Full-stack Developer, I migrate data from outdated database types to current MySQL versions using modern Unicode standards. I also create and maintain stored procedures and functions for web-platform services.

I build custom web applications from scratch to meet client requirements, using AI tools to accelerate prototyping and code efficiency. Recent project work includes WiND, where I refactored legacy PHP and database schemas for a wireless-network application.

At Futurekids, I taught introductory and intermediate web design, including HTML, CSS, and PHP, and guided students through hands-on website projects.

At MyFinances, I managed network and server installation, maintenance, and administration, and customized vTiger CRM. I also administer W.A.N.A, contribute to WordPress plugins, and translate X2CRM.

Experience

Work history, roles, and key accomplishments

Current

Full-stack Developer / Freelance

Current

Freelance

Nov 2014 - Present (11 years 11 months)

Data migration and conversion from outdated database types to the latest MySQL version with newest Unicode standards. Creation and maintenance of complex stored procedures and functions for additional web-platform services.

MySQL Data Migration Stored Procedures Web Development AI Tools Antigravity Cursor Windsurf

Current

Supply Department Manager

Current

METRO

Jun 2010 - Present (16 years 4 months)

Manage the store's supplying department for a major food and household commercial industrial company.

Instructor

Futurekids

Sep 2014 - Jul 2022 (7 years 10 months)

Delivered introductory and intermediate web design courses, teaching HTML, CSS, and PHP for dynamic websites. Guided students in hands-on coding projects, including building, styling, and publishing websites.

HTML CSS PHP Web Design Teaching Curriculum Development

IT & Network Support

MyFinances

Dec 2012 - Jul 2014 (1 year 7 months)

Managed network and server installation, maintenance, and administration. Deployed and managed specialized accounting software and customized vTiger CRM to streamline firm operations.

Network Administration server management Vtiger CRM Accounting Software

Graphics Designer

Polichromo

Dec 2009 - Mar 2011 (1 year 3 months)

Designs using Adobe Photoshop and CorelDraw for local business.

Photoshop CorelDraw Graphic Design

Technical & Environmental Design

Manolopoulos, A. & M., & Co. O.E. & Koulougliotis Panos Tech

May 2007 - Oct 2007 (5 months)

Design of various technical and environmental projects. Environmental compliance. AutoCAD & architectural design.

Autocad Architectural Design Environmental Compliance

Scientific Researcher

Instituto Superior de Engenharia do Porto & Faculdade de Let

Jan 2006 - Jun 2006 (5 months)

Participation in the scientific team and one of authors of the research thesis project with title 'Application of Geographical Information Systems (GIS) techniques to the assessment of groundwater resources in selected locations from Northern Portugal'.

GIS Research Groundwater Assessment

Education

Degrees, certifications, and relevant coursework

DataCamp

Data Warehousing Concepts, Data Warehousing

2026 - 2026

Completed a course on data warehousing concepts, covering architectural principles, ETL, and analytical data modeling.

DataCamp

Databricks Concepts, Databricks

2026 - 2026

Completed a course on Databricks concepts, covering Lakehouse architecture, data pipelines, and SQL warehousing.

DataCamp

Building and Optimizing Triggers in SQL Server, SQL Server

2026 - 2026

Completed a course on building and optimizing triggers in SQL Server, focusing on data integrity and transactional logic.

DataCamp

Writing Functions and Stored Procedures in SQL Server, SQL Server Programming

2026 - 2026

Completed a course on writing functions and stored procedures in SQL Server, focusing on datetime analysis and user-defined functions.

DataCamp

Data Manipulation in SQL, SQL

2025 - 2025

Completed an intermediate SQL course on CASE statements, subqueries, and window functions.

DataCamp

Database Design, Database Design

2025 - 2025

Completed a course on database design, covering normalization, views, and management techniques.

Higher Technological Educational Institute of Western Macedonia

Geotechnical & Environmental Engineer, Geotechnical and Environmental Engineering

Earned a degree in Geotechnical and Environmental Engineering, covering environmental protection, quality control, water resources management, and infrastructure projects.