Serafeim Makris

• Manage administrative and support service activities

• Operate technical elements within the conference space

• Ensure smooth running of events

• Responsible for technical setup, operation and maintenance of conference facilities

• Troubleshoot technical issues

• Communicate with teams and clients for successful execution of conferences

• Focus on security, specifically authentication and authorization systems development

• Stay updated with latest technological advancements

• Implement new technologies to improve services and operations

• Enhance skills and knowledge to meet evolving client needs.

• Defined the company's roadmap in collaboration with the Management Team.

• Used Agile processes to deliver easily measurable results.

• Worked closely with colleagues in Frontend, DevOps, PKI, Product, and Support to foster a collaborative working environment.

• Mentored and coached colleagues to ensure knowledge distribution.

• Converted the needs of other companies (such as Gov, Banks) into solutions.

• Architected the PKI RestAPI infrastructure and also digital signatures and eID.

• Implemented Connectors for most popular PKI Vendors in Europe (Symantec, Entrust, Docusign, Ascertia, etc.).

• Drove operational improvements that resulted in savings and improved profit margins.

• Implemented RestAPIs such as CSC, OpenID Connect, and OAuth2 to expand the company project at Global standards.

• Used technologies such as DotNet Core (3.1 and 9), DotNet Framework 4.7, Java, SpringBoot, Javascript, SQL, MSSQL, NoSQL, and Microservices.

• Acted as a Software Architect and Senior Software Engineer.

• Contributed ideas and suggestions in team meetings and delivered updates on deadlines, designs and enhancements.

• Reviewed code, debugged problems and corrected issues.

• Continuous communication with team leaders and managers regarding any arising retail issue and discussions on new assignments or projects.

• Constant contact with support team to arising customer issues.

• Leader of a small backend team (consisting of 3 people).

• Cooperation with DBA and sys admins to redesign all of the backend flows and logic's.

• Optimizing Tiers, VMs and databases in azure to preserve the company's budget for 30k in costs per month. Technologies (C#, DotNet Core (2.1), DotNet Framework 4.7, php, JavaScript, Node.js, Azure, SQL, MSSQL, NoSQL).