T

Thergiakis Eftichios

About

Detail

Heraklion, Greece

Timeline

work
Job
school
Education

Résumé

Jobs verified_user 0% verified
  • Y
    Senior Software Engineer
    Younet
    Oct 2025 - Current (1 year 1 month)
    • Designed and developed scalable backend systems for multiple production applications.
    • Built and owned the backend of a full end-to-end restaurant booking platform (Nemeseas), including APIs, caching, task queues, and payments.
    • Optimized microservices and resolved database bottlenecks, improving performance and reliability.
    • Contributed to multiple products (Idealink, CampusHub, Cloudo), delivering features, fixes, and reusable backend components.
  • Margera
    Data Engineer
    Margera
    Jan 2025 - Jul 2025 (7 months)
    • Designed and managed complex SQL queries and stored procedures for large-scale data extraction, analysis, and management.
    • Built and maintained large-scale ETL pipelines in SQL to support warehousing and reporting processes.
    • Implemented a chat-based platform that allowed users to query and interact with insights via natural language.
    • Developed a comprehensive AI-powered trend monitoring platform integrating LLMs, custom metrics and data insights using React, Django, SQL, BigQuery, and embeddings. Additionally enhanced performance by over 60% by optimising processes and redesigning pipelines.
  • SquareDev
    Software Engineer
    SquareDev
    Mar 2022 - Jan 2025 (2 years 11 months)
    • Led development of an LLM penetration testing platform with real-time user prompt evaluations, using technologies such as multithreading, websockets, relational databases, Azure deployments and Next.js. This platform was a key factor in securing a €1M investment in Squaredev from an external company.
    • Key contributor to the EU-funded Sunrise project on water and healthcare demand prediction, development of libraries and Kubernetes-orchestrated deployments.
    • Engaged in diverse engineering challenges at Squaredev, including designing APIs, solving complex resource-intensive problems with multithreading and implementing task queues (Celery).
    • Co-designed and developed ‘Anty,’ Squaredev’s flagship recommender system, buildin
  • R
    Software Developer
    Resitech LTD
    Apr 2021 - Mar 2022 (1 year)
    • Developed an interactive feedback widget for client feedback and problem reporting, integrated into various platforms including e-shops.
    • Implemented web scraping pipelines to collect and structure real estate data from multiple well-known sources.
    • Developed the Resitech platform for presenting NLP and real estate analytics, using React.js, Node.js and MongoDB.
Education verified_user 0% verified
  • Coursera
    Software Design and Architecture
    Coursera
    Jan 2023 - Current (3 years 10 months)
  • TestDome
    Python Certificate
    TestDome
    Jun 2021 - Current (5 years 5 months)
  • TestDome
    React Certificate
    TestDome
    Mar 2021 - Current (5 years 8 months)
  • T
    Department of Informatics Engineering
    TEI of Crete
    Jan 2013 - Jan 2019 (6 years 1 month)