Hi, I’m Giannis Korkontzilas, a Software Engineer and IT Consultant with a strong background in Electrical & Computer Engineering, ERP/CRM implementations, and business analytics. I enjoy turning ideas into reliable software solutions and helping clients streamline operations with modern technologies. I have hands-on experience with Java, Python, SQL, web technologies, and ERP systems, and I thrive in collaborative, results-oriented environments. I love building end-to-end solutions, from backend services to frontend interfaces, and I’m always eager to learn new tools and best practices. My approach combines analytical problem-solving with clear communication, teamwork, and a commitment to delivering practical, scalable results that meet user needs and business goals.

Giannis Korkontzilas

Hi, I’m Giannis Korkontzilas, a Software Engineer and IT Consultant with a strong background in Electrical & Computer Engineering, ERP/CRM implementations, and business analytics. I enjoy turning ideas into reliable software solutions and helping clients streamline operations with modern technologies. I have hands-on experience with Java, Python, SQL, web technologies, and ERP systems, and I thrive in collaborative, results-oriented environments. I love building end-to-end solutions, from backend services to frontend interfaces, and I’m always eager to learn new tools and best practices. My approach combines analytical problem-solving with clear communication, teamwork, and a commitment to delivering practical, scalable results that meet user needs and business goals.

Available to hire

Hi, I’m Giannis Korkontzilas, a Software Engineer and IT Consultant with a strong background in Electrical & Computer Engineering, ERP/CRM implementations, and business analytics. I enjoy turning ideas into reliable software solutions and helping clients streamline operations with modern technologies. I have hands-on experience with Java, Python, SQL, web technologies, and ERP systems, and I thrive in collaborative, results-oriented environments.

I love building end-to-end solutions, from backend services to frontend interfaces, and I’m always eager to learn new tools and best practices. My approach combines analytical problem-solving with clear communication, teamwork, and a commitment to delivering practical, scalable results that meet user needs and business goals.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
French
Intermediate

Work Experience

Freelance Software Engineer & Tester at Self-Employed
June 1, 2023 - Present
Developed full-stack applications (Java, Python, C#, JavaScript, HTML/CSS, SQL); Maintained version control with Git/GitHub; Conducted software testing projects on freelance platforms (Divante, TesterWork, Test.io), including bug reporting and test case documentation
Application Developer Associate (Java & Spring Academy) at Java & Spring Academy
February 1, 2022 - May 31, 2023
Participated in Java & Spring Academy focusing on backend development with Java and Spring
Production Worker / Barista at Crown Hellas
September 1, 2014 - August 31, 2020
Production line work; Barista / Service; Check In Coffee
Web Developer / Web Designer at Datum Business Solutions Greece
October 1, 2017 - April 30, 2018
Developed and maintained websites and e-commerce platforms; Implemented ERP/CRM systems for business clients; Provided IT support including hardware, networking, and system troubleshooting

Education

MBA in Information Systems at University of Western Macedonia, Greece
January 1, 2021 - December 31, 2023
Bachelor of Science in Electrical & Computer Engineering at University of Peloponnese, Greece
January 1, 2011 - December 31, 2018
Web Design & Development at WebIA Academy, Greece
January 1, 2019 - December 31, 2020
Full Stack Web Developer at Coding Factory, Athens University of Economics and Business
October 1, 2023 - May 18, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Professional Services, Manufacturing, Media & Entertainment