Chief Technology Officer

Aug 2021 - Dec 2021

I have participated in the initial product brainstorming, have designed the tech roadmap and technical management process applying Scrum, have managed and pair-coded with 3 freelance developers, collaborated with the design and marketing departments. I have kept the original planning and timeline and successfully delivered the MVP.

Chief Technology Officer & Co-founder

Nov 2020 - Jun 2021

Socialbookers is a marketplace that focuses on creating the ideal communities for coliving spaces and we took part as a start-up in the program "The Berliner Startup Stipendium (BSS) @ CODE" which is a pre-seed startup program funded by the European Social Fund and the State of Berlin.
As a CTO, I have planned and developed the MVP, worked closely with UI/UX and Marketing, interviewed interns, and transformed brainstorming ideas into an actual product.

Senior Full Stack Developer

Feb 2018 - Aug 2019

I have been managing 90+ websites in all aspects. I started by setting up the devops (as the websites were under constant DDoS attacks) and moving to the cloud. I have developed APIs for communication with the in-house mobile apps and Sugar CRM. I developed several new features in frontend and backend (JS, PHP, CSS, bootstrap, Wordpress) and offered support to my 140+ colleagues.

Code Reviewer

Jun 2016 - Sep 2016

During my collaboration with Try Catch, I have reviewed the code of 10 job applicants in projects using JAVA, PHP and Javascript. I have interviewed 3 applicants for senior developer positions in companies around Europe. I have been selected as an expert reviewer based on my skills and previous experience in developer and leading positions.

Team Lead / Senior Activate Software Developer

Aug 2015 - Sep 2016

I have been involved in two Activate (ATM Software solution) projects fot the banks of Mashreq (Dubai) and QNB (Qatar) with the second one being involved from scratch until the version 1 delivery! I have developed all kinds of usual transactions(Withdrawals, Deposits, Payments etc.) using C#, SOAP and other technologies and innovated by creating "Receipt by email" extension and implementing IRIS eye-scanning extension.
I have been assigned as an unofficial team leader for the office of Thessaloniki where I have set up the required hardware for the rest of the team, set up the hardware and network connections of the Local ATMs destined for testing and strengthen ties between team members.

Research associate / Software Engineer

Sep 2010 - Sep 2015

During my collaboration with Software Engineering Lab led by Professor Ioannis Stamelos, I have been involved in several projects and initiatives wearing the hats of Web Developer, Project Manager and Teacher.

Project Manager, Lecturer, Member

Apr 2014 - Sep 2014

The Centers of Excellence, are groups in Universities and Research Centers conducting the project "Electronic Services for the Development and Dissemination of Open Source 'actions diffusion and promotion through conferences and events in ten thematic areas. At the same time, annually conduct two rounds of seminars and a summer school code development (Summer Code Camp), in which will be trained at least fifty (50) developers.
The Center of Excellence of Aristotle University of Thessaloniki, focuses on two areas: Health Information Systems and Public Administration.

Trainee student

2009 - 2011

Upgrade of the existing university news platform(based on wordpress CMS) without breaking the customized calendar functionality of the major 6 categories of articles

Patching of campus interactivemap interfaceto allow dynamic update of buildings drawn
from local databases in XML formatand extension of the above with incorporation of a search form to look up points of interest and highlight sites on the map

Investigation of form based submission APIs in different content management systems(Joomla,Drupal) and presentation to the rest of the development team

Web Developer / Co-Founder

Jan 2008 - Aug 2012

I have managed through full life cycle the development of websites and electronic shops for business or personal use.
Some of them are:

Technical Support Agent

Nov 2011 - April 2012

Provide remote support to all of the Otes products and services(adsl,internet tv)