Hi, I'm Konstantinos Tompakidis

Backend Developer | API Architect | Cloud Engineer

Building scalable, robust, and secure server-side solutions

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Professional Experience

Back-end Developer

2025 - 2026

SKROUTZ S.A., Nea Ionia, Athens, Greece

Position: Software Developer

Main activities and responsibilities:

  • Feature Development (Ruby on Rails, MariaDB, MongoDB, Redis)
Back-end Developer

2014 - 2025

Schoox Inc., Austin Texas / Thessaloniki, Greece

Position: Software Developer

Main activities and responsibilities:

  • Feature Development (Back-end PHP, Laravel, MYSQL, MongoDB, Redis)
  • Database Development/Maintenance (MYSQL – Master instance/Read replicas)
  • Debugging (Back-end PHP API)
  • SCORM files (player support, system integration)
  • Development/Maintenance of Reporting infrastructure and application layer
Oracle Application / Database Developer

2013

Business Group INTERSALONICA, Thessaloniki, Greece

Position: Developer (IT Department)

Main activities and responsibilities:

  • Development of Oracle Database (PL/SQL)
  • Development/update of User Interface applications (Oracle Forms/Oracle Reports)
  • User support
Systems Analyst

2012 - 2013

INTRACOM TELECOM, Thessaloniki, Greece

Position: Analyst / Programmer of Mobile Switching Centers (Ericsson's technology)

Main activities and responsibilities:

  • Work-group Member (Scrum team)
  • Programming (high level language and Assembly) and testing software for Mobile Switching Centers (Ericsson's mobile telephony AXE system)
  • Participation and representation of the team in various meetings
  • Documentation and code delivery
  • Developing software upgrade packages
  • Resolving Trouble Reports in legacy software
  • Member of Ericsson's Software Craftsmanship Ambassadors' global network

About Me

Profile

I'm a dedicated backend developer with 14+ years of experience designing and implementing robust server-side solutions across multiple technologies and industries.

Throughout my career, I've worked with diverse backend technologies including PHP, Ruby on Rails, Oracle, PL/SQL, and various databases like MYSQL, MariaDB, and MongoDB. I specialize in building scalable APIs, optimizing database performance, and developing high-performance backend systems.

  • PHP & Ruby on Rails Development
  • Database Design & Optimization
  • CMS Development & Maintenance

Skills & Technologies

Backend Frameworks

PHP Laravel, Ruby on Rails, Oracle, PL/SQL, Oracle Forms/Reports

Frontend Technologies

HTML, CSS, jQuery, jQuery UI, Bootstrap, JavaScript

Databases

MYSQL, MariaDB, MongoDB, Redis, SQLite, Oracle

Dev Tools

Git, PHPstorm, Postman, VS Code

Other Technologies

Drupal, Apache, Nginx, SCORM, REST APIs, PLEX, Assembly, System Integration

Management Tools

Agile (Scrum), JIRA, Phabricator

Featured Projects

Cayandesign.gr

PHP, MYSQL, jQuery, jQuery UI

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Cayandesign.gr CMS

Fully featured Content Management System built with PHP, MYSQL, jQuery, jQuery UI, and Template inheritance php library.

Demo: https://tobak.gr/cayan

Backoffice: https://tobak.gr/cayan/myadmin

Credentials - Username: admin | Password: admin

Ondiet.gr

PHP, SQLite, jQuery, Bootstrap

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Ondiet.gr CMS

Fully featured Content Management System built with PHP, SQLite, jQuery, jQuery UI, and Bootstrap framework.

Demo: https://tobak.gr/ondiet

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