Efkleidis Michailidis

Software Development Leader
AI & Full-Stack Engineering
📞 6951739875
💻 github
Efkleidis Michailidis

About

Head of Software Development & Senior Full-Stack Engineer with extensive experience in leading development teams, building robust enterprise software and architecting GenAI applications. Experienced in LLM configuration, RAG architectures, full-stack frameworks (PHP Laravel, JavaScript, Python), and database management (Oracle SQL, MySQL). Driven by innovation, clean architecture, and delivering high-value technical solutions.

Work Experience

Head of Software Development Department
Ελληνικές Υπεραγορές Σκλαβενίτης
2023 - Present
  • Project management & Technical Architecture
  • RAG-based AI chat application development (Gemini API, vector DB, Slack integration, TTS)
  • Text-to-SQL application for natural language database querying
  • LLM configuration & parametrization (Claude, Gemini, ChatGPT) for enterprise use
  • AI Agent design & development (ChatGPT Assistants, NotebookLM)
  • Requirement analysis & Stakeholder communication
  • Team Leadership, Mentoring & Talent Development
Senior Full-Stack Developer
Ελληνικές Υπεραγορές Σκλαβενίτης
2022 - 2023
  • Full stack development with PHP, JavaScript (jQuery), MySQL, CSS, Docker and Google Cloud
  • Robust API implementation using PHP Laravel framework
  • Version control management using Bitbucket and Git
  • Agile task management and sprint planning via Asana and Jira
Software Engineer in Billing
Intrasoft - Netcompany
2020 - 2022
  • Stored Procedures and core database infrastructure design in PL/SQL
  • Advanced module and reporting system implementation with Oracle SQL
  • Oracle BRM customization for corporate clients
  • Migration planning and production execution utilizing Oracle ODI
  • Unix bash scripting for automation and execution scheduling
Software Engineer
IST
2019 - 2020
  • Technical requirements analysis and architecture definition
  • Stored Procedures, triggers, and complex schema implementation in PL/SQL
  • Web application development utilizing Python back-end and Angular front-end
  • Internal tooling development using VBA
Full stack Developer
25-8 Projects
2017 - 2018
  • Enterprise web development with PHP Zend Framework 2, JavaScript, and jQuery
  • Data querying and indexing with MS-SQL and NoSQL (Couchbase)
  • Modern asset bundling and performance optimization with Webpack
Service Operation Engineer
Velti
2017
  • Software configuration, incident management, and reporting service maintenance
  • L1/L2 application analysis and troubleshooting via Linux CLI and MS-SQL queries