Vasileios Velkos

Vasileios Velkos

Co-Founder

Tech Recruitment Consultant & Business Leader

Vasileios Velkos

Co-Founder

Vasileios Velkos

Mr. Vasileios L. Velkos holds Bachelor of Science (B.S.) as a Mechanical Engineer with Master in HR Management from the National and Kapodistrian University of Athens, and he is also a Systemic Researcher using Programming from the University of Piraeus.

He can look back on a 12-year experience in recruiting quality personnel, and over the last 7 years, has specialized in the field of IT in accordance with the motto ‘The right person for the right position’.

Vasileios has managed more than 27,000 IT candidates and has set up staff search services for large multinational companies across Europe.

He holds the position of Head IT Code.Career Recruitment Consultant and Business Leader, with the aim of directing new candidates to the job that best suits their qualifications. He also organizes numerous events and trainings for Developers and Programmers and has created the first Hub and Academy for Developers in Greece.


Ioannis Nikolakopoulos

Ioannis Nikolakopoulos

Co-Founder

Tech Expert/ Principal IT Consultant

Ioannis Nikolakopoulos

Co-Founder

Dr.- Eng. Ioannis Nikolakopoulos

Dr.- Eng. Ioannis G. Nikolakopoulos is a  qualified Electrical & Computer Engineer, graduate of the National Technical University of Athens (NTUA). In 2008, he also received his MSc degree from the postgraduate programme “MBA in Techno-Economic Systems” from the National Technical University of Athens, with specialization in IT Systems Management. In 2010, he received his PhD from the School of Electrical and Computer Engineering of the same University and he also graduated from the School of Civil Engineering of NTUA.

Since 2006, he has accumulated a solid and extended work experience in the field of Information Technology as he has worked as Senior IT Engineer, Team Manager, Specialized Consultant and Project Manager in several international and national companies such as CCC S.A.L. (4 years in the Information Systems department), Planning Group S.A., SOL S.A. Certified Public Accountants\ Crowe Horwath International (2 years), National School of Public Health (1 year), Riedel Founk & Intercomtechnik – Pierides TechnoSystems Ltd (PTS).

In addition, Dr. Nikolakopoulos is Academic Director of postgraduate studies being offered by the University of Sheffield in Athens and at the same time, he has an extended teaching experience in many institutions. His expertise lies in the fields of Software Engineering, Business Intelligence, Big Data, Programming, Managing Knowledge Driven ICT Projects, Operating Systems, Data Modeling and Advanced Database Systems.


Kostis Tsitsas

Kostis Tsitsas

Senior Java Software Engineer

Kostis Tsitsas

Senior Java Software Engineer

Kostis Tsitsas I Code.Hub Instructor

Mr. Kostis Tsitsas holds a BSc (Hons) in Computer Science from the University of Strathclyde in Glasgow and is an experienced Software Engineer, involved since 2003 in the analysis, design, development, and maintenance of numerous complex and demanding projects.

He has participated in the creation of several mission critical, robust, modular, high performance and secure web-based applications for various business domains, such as banking and e-financial services, medical, telecommunications, e-commerce and digital publishing, using mostly open architecture Java technologies.


Aggelos Katsaris

Aggelos Katsaris

JS - Tech Director / Full Stack JS Engineer

Aggelos Katsaris

JS - Tech Director / Full Stack JS Engineer

Aggelos Katsaris

Technical Architect with a comprehensive knowledge of technology and 16 Years of cross-industry experience in Internet-based Applications and websites.


George Liagouras

George Liagouras

Java Developer

George Liagouras

Java Developer

George Liagouras

George is a motivated and passionate software engineer, having knowledge of the various software development and lifecycle methodologies. Intrigued by the dynamic sector of Informatics, with expertise in JAVA and web services.

George holds a Bachelor’s degree in Engineering and a Master’s degree in Techno-Economic Systems.

His field of expertise is to develop, maintain and support Web systems using JAVA and related tools by analyzing code for system testing and debugging.

He is always looking for new challenges that will help him improve his skills and possibly learn new ones through interesting and demanding projects.

His goal is to have a progressive career path with the corresponding responsibilities that will reflect my job skills.


Evaggelos Apostolidis

Evaggelos Apostolidis

Java Developer

Evaggelos Apostolidis

Java Developer

Evangelos Apostolidis

Evangelos is a Software Engineer who can bring a diverse skill set and creative drive to software application development. Experienced in big complex projects being a member of the multifunctional team. Able to perform at a high level, meet deadlines and be adaptable to ever-changing priorities.


George Boskos

George Boskos

Java Software Engineer

George Boskos

Java Software Engineer

George Boskos I Code.Hub Instructor

George holds an MSc in Software Engineering from the University of Manchester.

George holds a BSc in Informatics from the Aristotle University of Thessaloniki.

He has more than a decade of experience in engineering software systems of significant complexity.

**Problem solving**

**Seeks beauty in nature**

**Loves Art and science**


Andreas Tziliras

Andreas Tziliras

Senior Software Engineer

Andreas Tziliras

Senior Software Engineer

Andreas Tziliras 

Andreas Tziliras is a Database Software Engineer, with hands-on various Database systems like VAX Rdb/VMS and Microsoft SQL and specialized in Oracle RDBMS.

He is holding a BSc in Computer Science from the University of Crete.
He has been accumulating work experience in IT since 1991, with vast exposure in Financial and Banking Applications and other business sectors.

He has a thorough knowledge of all steps of the Software Development cycle, project definition and scope, business and technical requirements
analysis, application and database design, software components implementation and testing, deployment to production and post-go-live support.

**Self-motivated**

**Result-oriented**

**Experienced in team organization and motivation**

**Manage to deliver well-designed and implemented software solutions**


George Vlachos

George Vlachos

Senior Software Engineer

George Vlachos

Senior Software Engineer

George Vlachos

Mr. George Vlachos holds a BSc (Hons) in Computer Science from the Magna Cum Laude Field and Master to Data Communications, Networks and Distributed Systems.  

He is a Senior developer with several years of experience. In recent projects, he worked on the front-end developing responsive websites using Angular and server components with NodeJS / Express and deployed using Docker containers.
On his personal time, he tries to develop his self on JavaScript and related technologies like Angular and React.


Constantinos Katsatouris

Constantinos Katsatouris

Senior Software Engineer

Constantinos Katsatouris

Senior Software Engineer


Aris Apostolou

Aris Apostolou

Software Engineer

Aris Apostolou

Software Engineer

Aris Apostolou

Aris holds a BSc in Computer Engineering. He loves Physics, Mathematics, Informatics, Chemistry, Biology and finally computer science made the greatest impression and studied computer science & telecommunication engineering.
His life motto is ‘A creative day is always a good day’.

He believes that the main ingredients for a pleasant life are: Comprehension, Cooperation and teamwork perception, Positive in life with gratitude, Self-disciplined, Determination, Cheerful mood, Strong organizational skills, Reliability, and dependability.


Konstantinos Gousopoulos

Konstantinos Gousopoulos

Software Engineer

Konstantinos Gousopoulos

Software Engineer

Constantinos Gousopoulos

Constantinos holds a Msc in Software Engineering for Internet and Mobile Applications from University of Thessaly and a Bsc in Computer Science & Telecommunications from the Technological Institute of Larissa.
His experience as a Full Stack / Web Developer started 5 years ago, which gave him the proficiency both in Front and Backend technologies.
In his previous role, he worked as Fullstack developer in Malta in the gaming industry.
Through his career he developed plenty of projects with state of art technologies.
In my free time he enjoy swimming, playing guitar and reading.

Dimitris Valasidis

Dimitris Valasidis

Full Stack Developer

Dimitris Valasidis

Full Stack Developer

Dimitris Valasidis

Dimitris is an undergraduate student in the Department of Digital Systems at the University of Pireaus, who has also participated in an erasmus semester in Spain (Universidad de Granada) focused in information technologies and telecommunication engineering.

He has accumulated a solid experience as a full stack developer specialized on Java  technology and front-end technology Angular. His work follows the software development process which is based on dividing software development work into distinct phases to improve design, product and project management .

Symeon Tzanis

Symeon Tzanis

Senior Software Engineer

Symeon Tzanis

Senior Software Engineer

Symeon Tzanis

Symeon Tzanis holds a Bachelor of Science (BSc) in Business Administration with Major in Computer Information Systems from the American College of Greece and a Master of Science (MSc) in Information Technology from Heriot Watt University in Edinburgh, UK.
Since the beginning of his career, he has been exclusively engaged with Information Technology and more specifically with programming. He has been employed by software houses whose clients ranged from supermarkets and technical inspection centres for vehicles (MOTs) to telecommunications conglomerates and insurance companies in Greece and most important the European Commission in DG ESTAT (Eurostat) in Luxembourg which spent 6.5 years of his professional life. As a result he has developed a high degree of technical adaptability and sociability, having to cooperate through the years with many different projects and people. Experience has taught him how to build strong relationships with all departments at an organization and provided him the ability to work within a team as well as cross-team.
Primarily as Database Developer and secondarily as a Database Administrator, he has a significant specialised experience in Oracle 12c, Oracle Forms and Reports, PL/SQL and SQL but he has also used supportively XML, PHP, JAVA, C, C++ and other technologies.
During his involvement in projects he is displaying determination, sociability and cooperation with his team as well as trustworthiness, responsibility and discretion regarding protection of Confidential and sensitive data.
During his employment in European Commission he supported the Confidential database.

Lena Katsika

Lena Katsika

Team Leader Tech Recruitment Consultant

Lena Katsika

Team Leader Tech Recruitment Consultant

Lena Katsika

Lena Katsika is the Recruitment Team Leader with over 10 years of experience specializing in International IT Recruitment.
Her work record to date, exhibits a proven sense of professionalism, acute perception, ability to work under pressure and deadlines, decision making and problem solving.
She holds three Diplomas in International Relations, European Economic studies and in Human Resources Management and Organizational Analysis from Aegean University, AUEB and Kapodistrian University respectively. She also studied for 2 semesters in PARIS-X Nanterre (Paris, France) and in TÖMER University (Izmir, Turkey) in order to ameliorate her grasp of French and Turkish.
She believes in fair team play and has a vision that leading by example is what inspires people to perpetually strive for improvementt.

Mariefi Tsonopoulou

Mariefi Tsonopoulou

Junior Tech Recruitment Consultant

Mariefi Tsonopoulou

Junior Tech Recruitment Consultant

Mariefi Tsonopoulou

Mariefi Tsonopoulou started her Bachelor’s degree in 2013 at Panteion University of Social and Political Science in the Department of Sociology.

Being more interested in the Psychology field and Economics throughout her undergraduate studies, she decided to gain a deeper knowledge regarding the Human Resources Management.

In 2018 she was accepted at King’s College London, where she completed her Master in “Human Resources Management and Organizational Analysis” in 2019. While participating in her postgraduate program she also managed to earn the CIPD certification, where she had the opportunity to meet with top HR professionals and recruiters from all over the world and learn about HR aspects in a more practical way.

On the top of that, she has attended online seminars with regards to the management of  Human Resources. 


Eva Gkolfinopoulou

Eva Gkolfinopoulou

Junior Tech Recruitment Consultant

Eva Gkolfinopoulou

Junior Tech Recruitment Consultant

Eva Gkolfinopoulou

Eva started her Bachelor Degree in 2013 at the Athens University of Economics and Business in the Department of Management Science and Technology where she studied in the fields of programming and recruitment.
In 2017 she completed her bachelor undergraduate internship as a Recruitment Consultant. In 2018 she started her professional career as an HR assistant in a digital and web developing company. Through this experience, she successfully completed various projects and gained valuable knowledge in the fields of recruiting and programming.

Tereza Karavis

Tereza Karavis

Junior Tech Recruitment Consultant

Tereza Karavis

Junior Tech Recruitment Consultant

Tereza Karavis

Tereza is a Psychology bachelor graduate from Deree College of Greece.
During her studies, she managed to balance her personal and student life successfully, since she gained a 50% scholarship during her 4 year-studies.
Moreover, she was a professional volleyball and beach volleyball player from a very young age and triumphantly reached her top performance, is that of the 5th place in the Youth World beach-volleyball Championship (Swatch FIVB) in 2009.
Through her studies in Psychology, she discovered her inclination and passion for recruitment and human resources procedures. She successfully completed her internship at OTE Group of Companies, in the Tech Recruitment and Talent acquisition department.

Code.Hub team aims to make it the predominant point of networking of developers in the field of upskilling & reskilling of developers and IT professionals.