24th-25th November, 2023 Sponsors

thessaloniki at voxxeddays dot com


“Ioannis Vellidis” Convention Center.

Leof. Stratou 3, Thessaloniki 546 36, Greece

Click here for a google maps location

The conference will start in

Voxxed Days Thessaloniki 2023


Friday, 24th, and Saturday, November 25th, 2023.

Voxxed Days Thessaloniki 2023 will be back this November as an in-person event in our usual “Ioannis Vellidis” Convention Center.

The 4th edition of Voxxed Days Thessaloniki in 2022 (the first one post-covid era) attracted ~500 attendees who came together to meet and listen to fantastic content.

Voxxed Days Thessaloniki offers passionate developers the best place to network, hack, be inspired and learn. It helps all the people that wish to get informed about the latest trends and take a deep dive into cutting-edge technologies, frameworks and programming languages.


Java Language, Java SE, JDK, performance tuning, modularity, etc…

Cloud, Terraform, Ansible, Kubernetes, Docker, Istio, PaaS and serverless

Big Data, Fast Data, NoSQL, Machine learning, Deep Learning, Neural Networks, TensorFlow, etc

Web frameworks, performance and accessibility, languages and tooling to build modern browser apps

Developer candy: stuff we want to know about but don’t (generally) do at work – robotics, biological computing, cybernetics, AI, new toys & tomorrows world

Other languages running on the JVM, functional, mobile and emerging languages. The tools, libraries and best practices

How-to’s, tools and techniques for developers to drive great architectures. Share your in-the-trenches experiences informing us what works and what doesn’t.

Personal development, leadership, working practices, mental health, diversity, inclusion and developer culture

Encryption, defensive practices, tools and technologies to be secure, security testing etc.

Build & Deploy

Modern operational concerns, including build pipelines, orchestration, observability, monitoring, resilience, and compliance, as the software world embraces DevOps and cloud delivery.

What's On?


Inspiring and thought provoking, keynotes are delivered by respected industry leaders at the opening and closing each conference day.


40 minute sessions on a range of different technologies, practices and methodologies

Byte Size

15 minute sessions designed for speakers to give a quickfire view of a particular subject

Hands-on Labs

2 hours hands-on sessions where you delve into a specific technology or methodology under expert guidance


Super early bird tickets

Our blind early bird at an extremely low price for our faithful believers and supporters.
100+ VAT

No refund
  • Only 50 tickets available
  • Access to both days of the main event (24th and 25th of November, 2023)
  • Sponsors Gift Bag
  • Coffee, snacks and light lunch on both days
  • Named badge

Early bird tickets

Our early bird at a low price for our early adopters
150+ VAT

No refund
  • Only 50 tickets available
  • Access to both days of the main event (24th and 25th of November, 2023)
  • Sponsors Gift Bag
  • Coffee, snacks and light lunch on both days
  • Named badge

Standard Tickets

Our standard ticket price for those who want to wait for the full list of speakers first
200+ VAT

No refund
  • Available until November 3rd
  • Access to both days of the main event (24th and 25th of November, 2023)
  • Sponsors Gift Bag
  • Coffee, snacks and light lunch on both days
  • Named badge
  • Group and student discounts available

Late bird tickets

Our ticket price for last minute attendees
250+ VAT

No refund
  • Access to both days of the main event (24th and 25th of November, 2023)
  • Coffee, snacks and light lunch on both days
  • Blank badge
  • Group and student discounts available






Lanyard Sponsors

Academic Partners

After Party Sponsor


Media Partners

Be a Sponsor

Be part of the this community by supporting Voxxed Thessaloniki 2023 and promote your company across Europe. Want to know more about sponsoring our event? Check out our sponsorship info page.


Program Committee

Community Manager @CrabNebulaDev

Eleftheria Batsou

Eleftheria is a Community Manager at CrabNebula, hailing from Greece. As a developer and UX researcher, she specializes in creating educational content for various platforms, including Packt, Udemy, Skillshare, and Twitter. Her expertise in delivering motivational talks and how-to videos on her YouTube channel has garnered a loyal following. Eleftheria’s unwavering commitment to her work stems from a genuine desire to make a positive impact in the world. When not immersed in her professional endeavors, she finds solace in exploring the outdoors and embracing an active lifestyle.

Lead Java Developer @ Synoa

Georgios Gaganis

Giorgos has 15+ years of software development experience and currently is a Lead Java Developer at Synoa GmbH where he is developing eCommerce software. He is passionate for growing and transforming high performance development teams by introducing and employing software craftsmanship principles. Also interested in the professional growth of developers and the local developer community being co-organiser of the Thessaloniki Non-Only Java Meetup Group.

Chief of Engineering Evolution @ Superbo

Giorgos Kalfopoulos

Started some 20+ years ago as a Java Software Developer, evolved to Architect (technical, solution, cloud, enterprise and potentially a few more variations along the way, some of which even certified 😝) and currently attempting to pass on the knowledge to the following generations as Head of Engineering. Perhaps above all though, a  community junkie (following JHUG, GreeceJS, Angular Athens, DDD Greece and a few more) and proud organizer of Ministry of Testing Athens, the largest QA community in Greece.
Principal software engineer @ Medidata

Dimitrios Kontokostas

Dimitris is a software engineer passionate about building solutions around large-scale data integration and knowledge graphs. 
He is an open-source enthusiast, semantic-web researcher, book author and the co-organizer of the Thessaloniki not-only-java meetup. 
Senior Azure Cloud & AI Consultant

Stratos Kourtzanidis

Stratos Kourtzanidis is a distinguished senior software engineer with expertise in .NET development and AI. As a technology expert and community leader, he has been awarded the Microsoft Most Valuable Professional Award (2018-2020) and served as a Microsoft Certified Trainer for AI (2021-2022). Stratos holds multiple professional certifications and is a published author, showcasing his extensive knowledge.

A true advocate for collaboration, Stratos is the founder and organizer of the Thessaloniki .NET Meetup, a thriving community of developers.

When he’s not immersed in the world of technology, he enjoys martial arts, playing guitar, and traveling.  

UI Software Engineer at Elastic Cloud

Evangelia(Litsa) Mitsopoulou

Evangelia(Litsa) Mitsopoulou has been working in the tech industry for over 15 years across different countries.  Originally started as a full-stack developer but later her passion to marry art, engineering, and psychology led her to delve more into the web and the browser. Exactly on that layer where users interact with products. Having an affinity for UX besides being an implementor she always contributes to the shaping of the design of the product. Currently, she works as UI Software Engineer at Elastic Cloud. She loves sharing knowledge and gaining knowledge and enjoys connecting with tech enthusiasts. Travel is her biggest passion. 

Product manager/Product owner

Leonidas Papadopoulos

Having a background in networks, cloud services and IoT, as well as a software engineer, Leonidas always enjoys taking part in projects involving cutting-edge technologies. Initiator and facilitator of several tech-focused local communities.

Software Engineer of all things

Patroklos Papapetrou

Patroklos (Pat) has been a software engineer for more than 25 years – he’s passionate about code quality and system perfection and keeping things simple. He’s a book author and occasional speaker, and currently, he works as Senior Backend Engineer in Golang @ Banked.com. He was the founder of the Java Meetup in Thessaloniki, and the main organizer of Voxxed Thessaloniki and Devoxx Greece since 2016. 

Software Engineer

Georgios Tzinos

George Tzinos is a software engineer with over 7 years of expertise. He currently holds the position of Senior Director of Engineering at InstaShop, where he is actively involved in coding and leading teams. George is passionate about building useful tools, networking and sharing knowledge, which motivates his frequent participation in industry events.


Ioannis Vellidis Congress Center“ spaces can be modified and adapted so as to respond fully to the needs and requirements of any event. Its six fully equipped halls can host up to 2,100 people and are best suited for conferences and high profile international events, while they can also be used for a variety of other events.

Address : Leof. Stratou 3, Thessaloniki 546 36

Click here to check it on google maps

What it feels like