Konstantinos Margaritis
Chief Cloud Architect
Salary / Daily rate
Sheffield, UK
Freelance, open to permanent contract
Remote only
Skills
Languages
About me
Intro
Chief Cloud Architect with 10+ years transforming enterprise infrastructure for global betting, e-commerce, and SaaS platforms. Led teams scaling systems to 400k+ requests/minute and delivering Infrastructure as Code solutions for 20+ organizations. Specialized in AWS/GCP migrations, DevSecOps, and Kubernetes with proven expertise in reducing deployment times and optimizing cloud costs.
Work experience
Chief Cloud Architect & Partner
infraWS
Nov 2017 - Present
9 years
DevOps powerhouse of elite cloud architects, DevOps/SRE engineers, software engineers, and ex-CTOs. We've addressed countless times the challenges around cloud infrastructure, DevOps, SRE, FinOps, PaaS and SaaS architecture across the Software Development Lifecycle while building several SaaS products for our own and other companies. Each of us is top of our field and as a team, we bring an impact to your engineering organization beyond your current capacity. We focus on more than just delivering ordinary solutions. We do this craft because it is our passion. We provide top quality DevOps & SaaS engineering services trusted by over 20 organizations worldwide. Our customers enjoy peace of mind knowing they trust infra.ws with their DevOps needs. We care about making your infrastructure equally good with your products and doing things right. We work as a member of your in-house team together with your engineers to address your challenges across the Software Development Lifecycle. We usually focus on all your DevOps needs, while adhering to the highest standards and implementing the best practices. We solve any problem as if it was our own, never compromising quality and security. We are here to help you align your infrastructure with your products needs.
Chief Cloud Architect
BetAdvanced
Aug 2017 - Present
9 years 3 months
Betadvanced is a premium partner for Betting and Casino operators around the globe. The product is provided with the concepts of Infrastructure as a Service (IaaS), Platform as a Service (PaaS) & Software as a Service (SaaS). • Direct the quality management of multiple projects or products • Responsible for the continuous delivery of the technology and integration roadmap for the entire organization • Define technology architecture principles to provide guidance to the technology architecture. • Deter and manage potential incidents and outages • Align existing business goals with a cloud initiative & leverage cloud for competitive advantage • Analyse gaps in technology architecture and translate them into opportunities • Own cloud SLAs & ensure cloud compliance • Transforming on-premise infrastructure into a private cloud & leveraging cloud-ready platforms • Define & Implement optimal cloud security policies • Optimize network security and performance with regular cloud monitoring • Define infrastructure processes for compliance, vitality, availability, elasticity, exceptions, communications, and change management
The University of Sheffield
Oct 2018 - Oct 2021
3 years 1 month
Lecturer: Continuous and Agile Software Engineering
Oct 2019 - Oct 2021
2 years 1 month
University of Sheffield is one of the top universities in the UK and a highly reputable university worldwide. I delivered the module “Continuous and Agile Software Engineering” to MSc students. This module was part of the master course “Web and Mobile Development”. Technologies involved: • Containers (Docker) • Git best practices and Git workflows • Code review and Continuous Integration pipelines • Build tools • Automated testing • Code quality • Configuration Management • Travis/Jenkins/Github Actions
Lecturer: Engineering Internet Applications
Oct 2018 - Oct 2019
1 year 1 month
University of Sheffield is one of the top universities in the UK and a highly reputable university worldwide. I delivered the module “Engineering Internet Applications” to MSc students. This module was part of the master course “MSc in Advanced Software Engineering”. Technologies involved: Ruby on Rails, Git, AWS (amazon, cloud)
Cloud Architect
GT Sports Leagues
May 2020 - Dec 2020
8 months
GTSports Leagues is a premium esports content and live tournament brand. GTSports is powering key providers of the industry like sportradar and subsequently major brands like Bet365 and Betfair in offering esports events for betting. • Helped the engineering team with the optimization of certain systems • Aligned IT needs with the strategic direction of the enterprise • Mapped business workloads to cloud use cases • Organized plans for business development and growth.
Goodvidio
Mar 2014 - Dec 2017
3 years 10 months
Hoyland, Barnsley S74, UK
CTO
Jan 2017 - Dec 2017
1 year
Hoyland, Barnsley S74, UK
Goodvidio is a SaaS visual commerce platform that helps brands and retailers like Tassimo, Cadbury, Oreo, Travis Perkins, and Deutsche Telekom improve online engagement and increase online sales by activating authentic, user-generated video content from social media. • Led a highly-skilled, multidisciplinary, team of engineers • Guided tech efforts across the product suite with a consumer product sensibility • Helped build, manage, and validate the product roadmap • Developed short-term and long-term technical strategy together with the CEO and team leads • Analyzed technology, resource needs, and market demand, to plan and assess the feasibility of new features. • Developed and executed a development process that reliably ships quality code on time • Directed, reviewed, and approved product design and changes. • Developed and implemented policies, standards and procedures for the engineering department • Maintained Infrastructure as Code • Scaled Goodvidio’s Cloud infrastrcuture • Critical SecOps & DevOps of Goodvidio’s platform
Head of Engineering
Nov 2015 - Jan 2017
1 year 3 months
Hoyland, Barnsley S74, UK
Goodvidio is a SaaS visual commerce platform that helps brands and retailers like Tassimo, Cadbury, Oreo, Travis Perkins, and Deutsche Telekom improve online engagement and increase online sales by activating authentic, user-generated video content from social media. • Maintained mission critical services • Maintained Infrastructure as Code • Scaled Goodvidio’s Cloud infrastrcuture • SecOps & DevOps of Goodvidio’s platform • Established product development processes & operations • Helped engineers to level up and take ownership • Regular mentoring and coaching of engineers • Confered with management and marketing staff to discuss project specifications and procedures • Performed performance and scalability analysis prior to new clients onboarding • Led complex integrations with new customers
Lead Software Engineer & DevOps
Mar 2014 - Dec 2015
1 year 10 months
Hoyland, Barnsley S74, UK
Goodvidio is a SaaS visual commerce platform that helps brands and retailers like Tassimo, Cadbury, Oreo, Travis Perkins, and Deutsche Telekom improve online engagement and increase online sales by activating authentic, user-generated video content from social media. • Designed and architected the core services of Goodvidio’s infrastructure • Managed a team of top-notch software engineers • Designed and scaled Goodvidio’s Cloud infrastructure comprising more than a hundred instances and servicing more than 400k requests per minute. • Designed and implemented Continuous Integration / Continuous Delivery Pipelines • Created and maintained Infrastructure as Code • Product platform Unification (Docker microservices) • Responsible for all SecOps & DevOps of Goodvidio’s platform • Implemented high quality code in an agile, test-driven development environment
Bookbook.gr
Sep 2012 - Oct 2017
5 years 2 months
Greece, NY 14626, USA
DevOps Engineer
Sep 2014 - Oct 2017
3 years 2 months
Greece, NY 14626, USA
bookbook.gr is one the most popular websites in Greece addressed to teachers and librarians, parents and children, providing information and resources about books and reading. Operates out of commercial practices in order to establish and cultivate the relationship between children and books, and through this, to boost the development of children's critical thinking. Responsible for Cloud's systems engineering, observability, infrastructure, security, reliability and tooling • Designed and implemented Continuous Integration / Continuous Delivery Pipelines • Created and maintained Infrastructure as Code • Responsible for all SecOps & DevOps of bookbook's platform Terraform & Ansible AWS/Google Cloud/Linode Graylog & Grafana
Lead Software Engineer
Sep 2012 - Aug 2014
2 years
Greece, NY 14626, USA
bookbook.gr is one the most popular websites in Greece addressed to teachers and librarians, parents and children, providing information and resources about books and reading. Operates out of commercial practices in order to establish and cultivate the relationship between children and books, and through this, to boost the development of children's critical thinking. • Managed a team of 3 engineers • Responsible for the creation of the CSS3/Jquery animations for all the navigation menus. • Responsible for the redesign of the front-end. • Responsible for various platform automations • Responsible for the data migration from Joomla 1.0.13 to Joomla 2.5. • Responsible for the automated migration from the old database to the new database. • Responsible for the creation of 18 modules and plugins in order to provide new functionality to the owner, editors, and publishers of the website. • Created a jQuery Game for kids in order to write poems. • Ansible automations for server configuration
DevOps Engineer
Netscan
Dec 2016 - Jul 2017
8 months
Netscan, a powerful diagnostic service that runs in your clients' browser and gives you full insight into their Network and WebRTC capabilities. • Redesigned the cloud infrastructure on AWS • Designed and implemented Continuous Integration / Continuous Delivery Pipelines • Created and maintained Infrastructure as Code • Responsible for all SecOps & DevOps of netscan’s platform
FreelanceFreelance
Jan 2005 - May 2014
9 years 5 months
Greece, NY 14626, USA
Software Engineer
May 2013 - May 2014
1 year 1 month
Greece, NY 14626, USA
• Developed the website of one of the biggest Travel Consulting Companies in Balkans and Southern Greece, active in the intercontinental business travel services segment. Integrations with Amadeus CRS platform, the largest GDS provider in the worldwide travel and tourism industry, as well as Booking.com. • Developed various parts of Android apps (native, Sencha, Cordova, Phonegap) • VPS setup automations for Linode and DigitalOcean
DevOps Services
Jan 2007 - Jan 2014
7 years 1 month
• Migrations from legacy systems • Infrastructure setup • Cloud migrations • Pipeline Automations • Hudson/Jenkins setup and configuration • Network setup and administration • Server maintenance Tooling: hudson, jenkins, svn, shell scripting, selenium, aws, puppet
Software Services
Jan 2005 - Mar 2007
2 years 3 months
Greece, NY 14626, USA
• Support for legacy CRM and ERM systems • Custom extensions for CRMs • Custom apps for Healthcare (Patient Manager, Appointment Manager) Tooling: svn, java, shell scripting, selenium
Education
The University of Sheffield
Master of Science (MSc)
2011 - 2013
2 years 1 month
The University of Sheffield
BSc (Hons)
2007 - 2011
4 years 1 month
Licenses & certifications
AWS Certified DevOps Engineer – Professional (DOP-C02)
Issued: Jul 2025