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Computer Science graduate with hands-on experience designing backend systems, full-stack web applications, and database-driven platforms. Strong background in Java, SQL, system architecture, and secure environments, with experience delivering production-ready solutions in both research and military contexts.…

Gerasimos Logiotatopoulos

Web Developer, Back-End Developer, Full Stack Developer, +2

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Computer Science graduate with hands-on experience designing backend systems, full-stack web applications, and database-driven platforms. Strong background in Java, SQL, system architecture, and secure environments, with experience delivering production-ready solutions in both research and military contexts.…

Available to hire

Computer Science graduate with hands-on experience designing backend systems, full-stack web applications,
and database-driven platforms. Strong background in Java, SQL, system architecture, and secure environments,
with experience delivering production-ready solutions in both research and military contexts.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

German

Beginner

Work Experience

IT & Systems Officer at Greek Army – NAMFI (NATO Missile Firing Installation), Chania, Crete

January 1, 2025 - July 1, 2025

Installed, configured, and maintained critical IT systems in a high-security NATO environment. Supported secure networks and communications systems, ensuring compliance with strict operational standards. Performed diagnostics, troubleshooting, and preventive maintenance to ensure system availability. Managed sensitive and classified data according to security protocols.

Software Engineer / Full-Stack Developer (Thesis Project) at Foundation for Research and Technology - Hellas (FORTH), Heraklion, Crete

February 1, 2024 - October 1, 2024

Designed and implemented a modular full-stack platform for schema and ontology mapping evolution. Developed Java Servlet-based backend services, handled business logic, validation, file processing, and user workflows. Designed and maintained a MySQL relational database with schema constraints and indexing; implemented REST-like AJAX communication between frontend and backend; implemented authentication, authorization, project tracking, and file versioning for multi-user collaboration. Automated processing of X3ML schema transformations. Deployed on Apache Tomcat for reliability and maintainability.