Head of Development

• Aug 2023 - Present

Chief Technology Officer | CTO

• Oct 2021 - Aug 2023

Core Responsibilities: • Plan the strategic expansion of the business. • Reduce the technical debt by scaling the technical team with offshore, contractors and in-house hirings and applying best practices. • Managing the product team and the delivery of products alongside the tech teams. Ownership of the Roadmap and budgeting. • Managing and evaluating technology resources. • Board member and Steering Group member of the business. Key Achievements: • Improved internal processes, including project management and quality assurance. • Prepare and successfully get ISO27001 and act as an ISMS officer and CIO. • Introduce KPIs and SMART objectives for the teams. • Improve the uptime of the platform to 99.5%. • Created a QA team (manual and automation). • Design a data lake system. • Implemented a complete CI/CD process. Tech Stack: Azure, .NET, Docker, Jenkins, Geoserver, Linux, MongoDB, MSSQL, PostgreSQL, Redis, Python, Bitbucket, React, SpecFlow, Container Apps, Kubernetes, O365, Databricks, Kibana, Prometheus, Kafka, ElasticSearch, Jira. Show less

Founder and Owner | CTO | Head of Development | Strategy Lead

• Sep 2012 - Dec 2022

Core Responsibilities: • Conceptualised and led the entire web ERP development project that handles invoicing, financial data, inventory management, and CRM functions. • Managed a team of five on-site developers and later transitioned to employing and leading an outsourced company. • Maintained the database in MySQL and proposed new schemas for database normalisation standards. • Identify growth areas, such as expanding the functionality to include scheduling services through Andromeda, an android application. • Consistently collecting customer feedback to understand needs and develop solutions to make the system more functional and user friendly. Key Achievements: • Built a company from the ground up that offers a unique service in high demand among Greek businesses. • Gained exposure to business development, growth and financing. • Effectively designed a scalable system through Amazon EC2 and RDS, writing all the reporting tools to run in the background to increase data processing capacity on the webserver. Tech Stack: AWS, PHP, Linux, MySQL, Bitbucket, Jira, Selenium, JQuery, Android Development Show less

Head Of Development | Strategy Lead

• Oct 2020 - Oct 2021

Core Responsibilities: • Build roadmaps to guide strategic direction, proposing new technologies and processes as acting CTO and most senior manager. • Managed the Development Team, consisting of 15 people, ensuring one-on-one meetings, mentoring, team assessments, training, and performance monitoring. • Conduct monthly and quarterly reviews, reporting progress and influencing decisions at board meetings. • Execute the whole spectrum of recruitment activities for internal and outsourced tech hires. • Review code quality and release & build processes, leading QA teams to adhere to high standards, automate testing, and increase product stability. • Strengthen infrastructure security and the performance of the website and apps. • Key Achievements: • Improved internal processes, including project management and quality assurance. • Developed the CI/CD process using the Jenkins cluster on AWS, reducing delivery times by 30%. • Implemented the AWS Well-Architected framework on the business, streamlining internal systems. • Championed the implementation of SDLC, providing training on the correct use and benefits. Tech Stack: AWS, PHP, ElasticSearch, Jenkins, Angular, Docker, Terraform, Linux, MySQL, PostgreSQL, Redis, Bitbucket, Jira, Selenium, Ansible. Show less

Head Of Development | Strategy Lead

• Jan 2020 - Oct 2021

Core Responsibilities: • Build roadmaps to guide strategic direction, proposing new technologies and processes as acting CTO and most senior manager. • Managed the Development Team, consisting of 15 people, ensuring one-on-one meetings, mentoring, team assessments, training, and performance monitoring. • Conduct monthly and quarterly reviews, reporting progress and influencing decisions at board meetings. • Execute the whole spectrum of recruitment activities for internal and outsourced tech hires. • Review code quality and release & build processes, leading QA teams to adhere to high standards, automate testing, and increase product stability. • Strengthen infrastructure security and the performance of the website and apps. • Key Achievements: • Improved internal processes, including project management and quality assurance. • Developed the CI/CD process using the Jenkins cluster on AWS, reducing delivery times by 30%. • Implemented the AWS Well-Architected framework on the business, streamlining internal systems. • Championed the implementation of SDLC, providing training on the correct use and benefits. Tech Stack: AWS, PHP, ElasticSearch, Jenkins, Angular, Docker, Terraform, Linux, MySQL, PostgreSQL, Redis, Bitbucket, Jira, Selenium, Ansible. Show less

Head Of Development | Strategy Lead | Interim CTO

• Mar 2018 - Jan 2020

Core Responsibilities: • Proposed new technologies to enable business, lead internal teams and streamline processes as proxy CTO. • Hired, coached, and mentored on-site and outsourced developers, ensuring TDD and BDD methodologies (Behat, Gherkin, Selenium). • Prospected for new areas of development to grow the business and mobilised strategy and resources to harvest opportunities. • Managing developers (both UK based and non-UK, QA teams and Ops Team. • Liaised with internal and external stakeholders to plan and execute projects, managing teams to ensure success. • Communicated project progress and provided advice in C-Suite level meetings. • Designed and Implemented AWS infrastructure and a disaster recovery plan, maintaining the system with Kubernetes and terraform. Key Achievements: • Established policies to strengthen the technology implementation and improvement process, involving automated CI/CD, reducing delivery time by 40%. • Implemented agile methodologies and Atlassian products, introduced automated testing, automated test suites, and created a pipeline for database migrations, reducing deployment time by 20%. • Drive the business to acquire the ISO27001 • Reduced operating costs by 50% by migrating on-premises applications to the cloud. Tech Stack: AWS, PHP, ElasticSearch, Jenkins, Docker, Terraform, Linux, MySQL, Redis, Bitbucket, Jira, Selenium, Kubernetes, Kibana, Grafana, Windows Servers, Snowflake. Show less

Senior PHP Developer

• Jul 2016 - Mar 2018

Core Responsibilities: • Ensure development and maintenance of the company websites and applications, using PHP to write code. • Supervised developer teams and provided training as needed. • Liaised with Business Analysts to increase an understanding of requirements, which were mirrored in strategic planning. • Maintained AWS system through multi-region support and Cloud Formation template designing. • Integrated AWS SDK with Symfony for use with SQS/SES/S3. Key Achievements: • Utilised the CI/CD methodology to improve the build process, closely mentoring new developers and conducting code reviews. Tech Stack: AWS, PHP, ElasticSearch, Linux, MySQL, Bitbucket, Jira, Selenium, Angular. Show less

Software Development | Strategy Lead

• Jun 2007 - Jul 2016

Core Responsibilities: • Oversaw day-to-day operations, using observations, data, and feedback to contribute to strategic planning. • Managed staff to ensure understanding of tasks and provided tools and resources to support teams. • Conducted software development on custom PHP applications. • Engaged in Cloud Computing using Amazon AWS, developing sophisticated systems. Key Achievements: • Utilised virtualisation technologies (Esxi, Proxmox) and optimised Web Design UI, reducing operating costs by 20%. • Drove the business to ISO standards while applying network security. • Established a software department, resulting in a 10% increase in revenue. Tech Stack: AWS, PHP, Linux, MySQL, jQuery, Windows Servers, Virtualisation, Designing Datacentres, Esxi, Proxmox, Citrix, Android Development, C++, .NET, Java, WordPress, E-shop apps. Show less

Senior PHP Developer

• 1999 - Jul 2016

Core Responsibilities: • Ensure development and maintenance of the company applications (SaaS), using PHP. • Supervised developer teams and provided training as needed. • Liaised with Business Analysts to increase an understanding of requirements, which were mirrored in strategic planning. Core Responsibilities: • Ensure development and maintenance of the company applications (SaaS), using PHP. • Supervised developer teams and provided training as needed. • Liaised with Business Analysts to increase an understanding of requirements, which were mirrored in strategic planning.

IT Teacher

• 1993 - Jun 2016

Core Responsibilities: • Taught languages, databases, MS Office, OS’s, Multimedia technologies, accounting software’s, LAN, and WAN courses • Developed course and examination materials, updating materials to maintain consistency with industry practices. • Actively responded to student queries and encouraged innovation. Key Achievements: • Teaching students led to constant review of information, enabling a deep understanding of theoretical and practical knowledge. Core Responsibilities: • Taught languages, databases, MS Office, OS’s, Multimedia technologies, accounting software’s, LAN, and WAN courses • Developed course and examination materials, updating materials to maintain consistency with industry practices. • Actively responded to student queries and encouraged innovation. Key Achievements: • Teaching students led to constant review of information, enabling a deep understanding of theoretical and practical knowledge.

Technical Engineer / PHP Developer

• 1999 - 2006

Core Responsibilities: - Technical Department administration and writing PHP Applications Core Responsibilities: - Technical Department administration and writing PHP Applications

Technical Support

• Jul 2004 - Aug 2004

Core Responsibilities: - Supporting Security Systems C4i in Volos Area of Olympic facilities Core Responsibilities: - Supporting Security Systems C4i in Volos Area of Olympic facilities

Infantry Soldier

• Jul 1995 - Nov 1996

Served in The Hellenic Army. After completing a 6-week boot camp, I was then sent to receive training in a combat profession for two months alongside the communications dept., and finished my 17-month service. • Military Service – Army Guns & Ammo Stock Management • Military Occupational Speciality (MOS) – Clerk / Computer Operator / Communication Operator Served in The Hellenic Army. After completing a 6-week boot camp, I was then sent to receive training in a combat profession for two months alongside the communications dept., and finished my 17-month service. • Military Service – Army Guns & Ammo Stock Management • Military Occupational Speciality (MOS) – Clerk / Computer Operator / Communication Operator

IT Manager-Developer

• Jan 1989 - Jan 1990

Core Responsibilities: - Writing mobile invoicing software and extending it. (Car based solution) Core Responsibilities: - Writing mobile invoicing software and extending it. (Car based solution)