KONSTANTINOS SARRIS
Athens
Summary
Solution Architect with expertise in Azure and Azure DevOps, specialising in microservices and solution architecture. Proficient in C#, ASP.NET, and ASP.NET Core. Demonstrates a deep understanding of design patterns and excels in mentoring teams to achieve technical excellence. Committed to leveraging skills to drive innovative solutions and enhance organisational success.
Overview
11
11
years of professional experience
1
1
Certification
Work history
Senior Manager
EY
Athens, Greece
2025.06 - Current
- Participation in digital transformation projects of critical business credit systems of a Major Bank of Greece
- Work with modern technologies (microservices, API orchestration, Containerized orchestration, event streaming platforms, cloud technologies)
- Technical leadership and guidance of junior team members (mentoring)
- Collaboration with cross-functional teams (architects, business analysts, QA, DevOps)
- Participation in the design of architectural solutions of high complexity
Manager
EY
Athens
2022.06 - 2025.05
- Team Leader-Solution Architect, Technical Management and Implementation of several Payments Projects for a major bank in Greece
- Development and maintenance of payment system applications
- Delegated tasks efficiently to maximise productivity.
- Design and implementation of RESTful APIs and microservices (.NET)
- Development with methodologies: Domain driven microservices, containerized architecture
- Implementation of integration patterns with Core Banking Systems and external data sources
- Participation in code reviews and code quality assurance according to coding standards
- Troubleshooting and solving complex technical problems
Assistant Manager
EY
Athens
2022.01 - 2022.06
- Collaboration with business analysts to understand and translate business requirements into technical specifications
- Delegated tasks to team members efficiently improving overall productivity.
- Managed complex technical tasks, ensuring project completion in a timely manner.
- Coordinated with cross-functional teams, achieving project goals efficiently.
Senior Software Engineer
EY
Athens
2020.01 - 2022.01
- Team Leader, Technical Management and Implementation of the new Instant Payments Service for a major bank in Greece.
- Created advanced custom parallel Tasks and Rest API for high availability purposes and 24/7 reliability.
Senior Software Engineer
SingularLogic
Athens
2018.07 - 2020.01
- Web Application development and implementation for custom Track and Trace of Tobacco Products, using .NET technologies.
- Development of web framework and in house tools.(Bronze Award for the web framework by the company)
- Development of web services for a Hellenic Major Bank, which is a client of SingularLogic.
Software engineer
EY
Athens, Greece
2017.06 - 2018.07
- Tested new software releases detecting and fixing bugs promptly.
- Provided technical support for troubleshooting software issues, resulting in reduced downtime.
- Enhanced system performance by optimising existing software.
Software Engineer
University Of Patras
Patras
2015.01 - 2017.06
- Development of web services (APIs) and User Interfaces for Clinical Researchers in order to deliver, manipulate and transform human sensitive data.
- Took over the data curation of DrugVar, a comprehensive database, which triangulates drugs with genes and pharmacogenomic biomarkers to serve clinical pharmacogenomics.
- Along with the DrugVar I maintain Phidias, which is an online resource documenting frequencies of pathogenic genetic variations leading to inherited disorders in various populations.
- (Laboratory of Molecular Biology and Immunology of the Patras Pharmacy Department)
Education
M.Sc.(E.I.D) - Data Visualization
University Of Patras, Polytechnic Faculty
PatrasB.Sc.(E.I.D) - Computer Science
University Of Patras, Polytechnic Faculty
PatrasStudies in Music
Hellenic Conservatory
AthensSkills
- AZURE
- AZURE DEVOPS
- SOLUTION ARCHITECTURE
- MICROSERVICES
- C#
- ASPNET
- ASPNET CORE
- MSSQL
- UNIT TESTING
- DESIGN PATTERNS
- MENTORING
Certification
- Microsoft Certificates
- AZ-900 Azure Fundamentals
- AZ-500 Security Solutions for Microsoft Azure
- AZ-305 Microsoft Azure Architect Technologies
- AZ-304 Microsoft Azure Architect Design
- AZ-400 Microsoft Azure Solutions Architect Expert
- AZ-104 Microsoft Certified: Azure Administrator Associate
- AZ-303 Microsoft Certified: Azure Solutions Architect Expert
- AZ-700 Microsoft Certified: Microsoft Workloads to Azure
LANGUAGES
Greek - Native
English - Advanced
CONFERENCES
Global Genomic Medicine Collaborative (G2MC) which occurred in Athens at 25 to 27 of April(2017)
KEY PROJECTS
- Web Application for Track and Integration Services for Track and Trace of Tobacco Products, Major Multinational Tobacco Company. Analyzing, developing and managing Web Portal and Backend Services, using a custom Web Framework. C#.NET, ASP.NET Core 2.2, JQuery, Typescript, Kendo UI Progress, IdentityServer 4, Azure SQL Server. Azure Cloud Platform.
- Web Portal for Confidentiality Waiver, Greek Telecommunication Company. Development of Web Portal and necessary services for delivering sensitive data. C#.NET, ASP.NET 4.6, MSSQL Server, MVC, JQuery, custom CSS.
- Capacity Tool Web Application, Hellenic Major Bank. Development of the Capacity Tool Web Application, which calculates working hours in the bank. It is integrated with a custom mobile application. C#.NET, ASP.NET Core 2.2, JQuery, Typescript, Kendo UI Progress, IdentityServer 4.
- Web Application for Revenue and Expenses, Hellenic Parliament. Analyzing, developing and managing a custom Web Framework. C#.NET, ASP.NET Core 2.2, JQuery, Typescript, Kendo UI Progress, IdentityServer 4.
- Development of PSD-2 web services for a Hellenic Major Bank. Development of PSD-2 web api and necessary service layers using .NET Technologies. The project used .NET WEB-API 2, Dapper for ORM tool and CR, Log, Dependency injection with Autofac, NLog for logging purposes, unit testing and MVC project for the necessary Layouts and Bootstrap.less with AngularJS and TypeScript for front-end.
PUBLICATIONS
- Application of the DrugVar Database in Cancer Genomics and Pharmacogenomics for online magazine Public Health Genomics
Authors: Sarris K. · Komianou A. · Patrinos G.P. Katsila T.
URL: www.karger.com/Article/Fulltext/472894
- Application of the DrugVar Database in Translational Medicine
Authors: Theodora Katsila,Emmanouil Viennas,Marina Bartsakoulia,Aggeliki Komianou,Konstantinos Sarris,Giannis Tzimas,George P.Patrinos
URL: https://www.sciencedirect.com/science/article/pii/S0378126020430003
Timeline
Senior Manager
EY
2025.06 - Current
Manager
EY
2022.06 - 2025.05
Assistant Manager
EY
2022.01 - 2022.06
Senior Software Engineer
EY
2020.01 - 2022.01
Senior Software Engineer
SingularLogic
2018.07 - 2020.01
Software engineer
EY
2017.06 - 2018.07
Software Engineer
University Of Patras
2015.01 - 2017.06
M.Sc.(E.I.D) - Data Visualization
University Of Patras, Polytechnic Faculty
B.Sc.(E.I.D) - Computer Science
University Of Patras, Polytechnic Faculty
Studies in Music
Hellenic Conservatory