
Theonas Chartomatzis
Software Engineer

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About me
Principal Software Engineer
Education

The University of Sheffield
2010 - 2011MSc Software engineering and telecommunications City College
Technological Educational Institute of Central Macedonia
2001 - 2007Informatics & Communications
Experience

Interworks Cloud Services
Dec 2007 - Dec 2011Software EngineerDeveloped back-end and business logic, implementing and optimizing core parts of the application.Implemented integration between external ERP systems and Interworks CRM. Improvement of Interworks CRM Sync app with new features and enhanced data syncing with Interworks CRM.

InfoCape Ltd
Jan 2012 - Aug 2016Senior Software EngineerContributed to the development of core system features through thorough analysis, design, and implementation during software development. Led database optimization efforts and oversaw successful data migration.Provided maintenance and customized installations to align with customers' legacy systems.Collaborated with customers and medical equipment representatives (Toshiba, Hitachi, and Philips) to ensure successful on-premise installations.Developed custom integrations to interact with legacy systems and share data with on-premise systems, through web portal implementationsImplemented data migration from customer's legacy system to the core products Netmed360 RIS and MedCenterEMR through analysis, design, and software implementation. Show less

Craneware
Sept 2016 - Jan 2019Senior Software EngineerEnhancement of platform's main pipeline performance through optimized data parsing.Successfully migrated data storage from ArangoDB to Elastic while implementing efficient service adjustments and utilization.Optimized the performance of the application's main dashboard through analysis and implementation of Azure Search.Adoption of streaming technologies for efficient and reliable data processing.Designed and implemented customer-driven features through thorough analysis and focused design.Successfully integrated with US government APIs, such as CMS, to validate documents.Analyzed and enhanced performance of high-traffic product to ensure optimal results.Partnered with US hospital customers to design and implement customized reporting solutions. Show less

Wood Mackenzie
Jan 2019 - Mar 2022Managing a software team focused on scaling, with a focus on designing and implementing strategies to meet performance targets while controlling costs.Collaborating with cross-functional teams to establish software standards by creating a blueprint of the existing software.Collaborating with senior leadership and product stakeholders to align requirements with architectural decisions. As a Technical Lead, oversaw and guided a team for 1 year while driving architectural and technology decision making. Implemented performance optimizations utilizing cost-effective strategies to achieve desired results.Feature development while collaborating with stakeholders and cross-functional teams to ensure API compatibility with multiple clients.Boosted team morale, resulting in improved productivity by fostering stronger team bonding.
Principal Software Engineer
Dec 2020 - Mar 2022Senior Software Engineer
Jan 2019 - Dec 2020

ContractPodAi
Apr 2022 - Feb 2023Senior Software EngineerLeading the implementation of authorization and authentication for seamless user-to-user and service-to-service communication in a greenfield application.Enhancing legacy system by integrating clients through SCIM standard.Implementing and fixing features at the full-stack level to meet clients' requirements.

OnGen Ltd
Mar 2023 - nowPrincipal Software Engineer
Licenses & Certifications
- View certificate

DAT215.3x: Managing SQL Database Transactions and Concurrency
MicrosoftFeb 2017 - View certificate

DAT215.4x: Implementing In-Memory SQL Database Objects
MicrosoftMay 2017
Languages
- enEnglish
- grGreek
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