John Flionis
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John Flionis Email & Phone Number

Platform & Security Engineer at SwissBorg
Location: Thessaloniki, Central Macedonia, Greece 6 work roles 1 school
1 work email found @unitary.ai LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

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Work email j****@unitary.ai
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Current company
SwissBorg
Role
Platform & Security Engineer
Location
Thessaloniki, Central Macedonia, Greece
Company size
74 employees

Who is John Flionis? Overview

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Quick answer

John Flionis is listed as Platform & Security Engineer at SwissBorg, a company with 74 employees, based in Thessaloniki, Central Macedonia, Greece. AeroLeads shows a work email signal at unitary.ai and a matched LinkedIn profile for John Flionis.

John Flionis previously worked as Site Reliability Engineer at Swissborg and Platform Engineer at Unitary. John Flionis holds Master'S Degree, Electrical, Electronics And Communications Engineering, 8,6/10 from Aristotle University Of Thessaloniki (Auth).

Company email context

Email format at SwissBorg

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{first}@unitary.ai
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Profile bio

About John Flionis

🚀 Platform & Security Engineer with production-level experience in architecting, deploying, managing, monitoring, troubleshooting, and scaling cloud infrastructure hosting software & AI/ML services, with a preference towards containerized microservices, following security and GitOps best practices. Skilled in infrastructure automation, scripting, and CI/CD pipelines. Motivated by working in cooperative environments, bridging the gap between teams, shortening tech product release cycles and always keen on learning new technologies and obtaining new skills.💻 Currently working at Unitary, a text, image & video understanding AI startup serving multiple millions of requests from well-known social media platforms on a daily basis for content moderation purposes. Previously worked at Linked Business, a Fintech startup from Athens, Greece, that provides intelligent market information, aiming towards making B2B sales easier and more effective through technology and digital products. Also, former research associate at the Center for Research and Technology Hellas (CERTH) with contribution on research papers and projects regarding Machine and Deep Learning technologies for Intrusion Detection Systems (IDSs) on cloud-native 5G networks and deployment of Blockchain consortiums for Health Data platforms. 🎓 B.Sc. and M.Sc. in "Electrical & Computers Engineering" @Aristotle University of Thessaloniki (AUTH), Faculty of Engineering, with an average of 8.6/10 and a thesis in Web Application Cybersecurity.Other interests: 🏀 basketball, ✈️ travelling, 🚴🏻 cycling, 🎬 theater/cinema, 📖 reading books, and more.

Current workplace

John Flionis's current company

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SwissBorg
Swissborg
Platform & Security Engineer
lausanne, vaud, switzerland
Website
swissborg.com
Employees
74
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6 roles

John Flionis work experience

A career timeline built from the work history available for this profile.

Site Reliability Engineer

Current
Swissborg

Lausanne Metropolitan Area

Feb 2024 - Present

Platform Engineer

Unitary

London, England, United Kingdom

Technical responsibilities & achievements:✅ Platform architecting & refactoring of Terraform code to enable scalability over multi-cluster & multi-region for infrastructure components of high-scale ML-based API services, achieving the serving of a record-amount of customer requests✅ Reliable autoscaling tuning, conducting performance testing & comparison.

Jul 2023 - Jan 2024

Devops & Security Engineer

Linked Business

Thessaloniki, Central Macedonia, Greece

Technical responsibilities & achievements:✅ Refactored naive CI/CD pipeline applying advanced concepts, in a template-driven & configurable manner for multiple microservices reusability, leading into minimal initial deployment effort, faster & more reliable pipeline runs✅ Improved software quality assurance via introduction of diverse forms of software.

Jul 2022 - Jun 2023

Devops & Security Consultant

Linked Business

Thessaloniki, Central Macedonia, Greece

Technical responsibilities & achievements:✅ Cloud infrastructure provisioning and services migration from local deployment to AWS EKS, leading into improved infrastructure durability, agility and scalability✅ Introduced the concept of IaC & GitOps, enabling automated provisioning and management of kubernetes resources through code, leading into increased.

Feb 2022 - Jun 2022

Research Associate

Centre For Research & Technology Hellas (Certh)

Thessaloniki, Central Macedonia, Greece

  • Contribution in research projects:
  • ️ AI/ML algorithms (Autoencoders, GANs, CNNs, BERT, ViT, etc.) application for Intrusion Detection Systems on 5G Networks
  • ️ ARES'22 publication: Image-based Neural Network Models for Malware Traffic Classification using PCAP to Picture Conversion
  • ️ Development & deployment of Blockchain-based platform for health data application on Kubernetes
Jun 2021 - Jun 2022

Fulfilled Military Obligations | Engineering Corps

Greek Army
Sep 2020 - May 2021
Team & coworkers

Colleagues at SwissBorg

Other employees you can reach at swissborg.com. View company contacts for 74 employees →

AH Anastassia Hain Anastassia Hain Colleague at Swissborg Estonia, Estonia View → AV Abraham Victor Abraham Victor Colleague at Swissborg Port Harcourt, Rivers State, Nigeria, Nigeria View → SH Sébastien Hauri Sébastien Hauri Colleague at Swissborg Collombey-Muraz, Valais, Switzerland, Switzerland View → ES Eduardo Silva Eduardo Silva Colleague at Swissborg Albergaria-a-Velha, Aveiro, Portugal, Portugal View → TB Tristan Boulay Tristan Boulay Colleague at Swissborg Almada, Setúbal, Portugal, Portugal View → IP Ivan Puravets Ivan Puravets Colleague at Swissborg Kyiv, Kyiv City, Ukraine, Ukraine View → KG Kamil Głód Kamil Głód Colleague at Swissborg Cracow, Małopolskie, Poland, Poland View → AL Alexandre Labbé Alexandre Labbé Colleague at Swissborg Perpignan, Occitanie, France, France View → KF Kai Felsman Kai Felsman Colleague at Swissborg East Haven, Connecticut, United States, United States View → OM Oladoyin Mary Oladoyin Mary Colleague at Swissborg Tallinn, Harjumaa, Estonia, Estonia View →
1 education record

John Flionis education

FAQ

Frequently asked questions about John Flionis

Quick answers generated from the profile data available on this page.

What company does John Flionis work for?

John Flionis works for SwissBorg.

What is John Flionis's role at SwissBorg?

John Flionis is listed as Platform & Security Engineer at SwissBorg.

What is John Flionis's email address?

AeroLeads has found 1 work email signal at @unitary.ai for John Flionis at SwissBorg.

Where is John Flionis based?

John Flionis is based in Thessaloniki, Central Macedonia, Greece while working with SwissBorg.

What companies has John Flionis worked for?

John Flionis has worked for Swissborg, Unitary, Linked Business, Centre For Research & Technology Hellas (Certh), and Greek Army.

Who are John Flionis's colleagues at SwissBorg?

John Flionis's colleagues at SwissBorg include Anastassia Hain, Abraham Victor, Sébastien Hauri, Eduardo Silva, and Tristan Boulay.

How can I contact John Flionis?

You can use AeroLeads to view verified contact signals for John Flionis at SwissBorg, including work email, phone, and LinkedIn data when available.

What schools did John Flionis attend?

John Flionis holds Master'S Degree, Electrical, Electronics And Communications Engineering, 8,6/10 from Aristotle University Of Thessaloniki (Auth).

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