KONSTANTINOS VARVITSIOTIS

Novibet is a company that provides a gaming platform. I am member of a team that it is responsible for Account's Management and for Customers Tools App.

During my cooperation:

• Developed scalable and maintainable code on several microservices related to Accounts management.
• Designed and developed a CustomersTools app. This application is a API Gateway of platform's microservices.
• Analyzed proposed technical solutions based on PO requirements and features.
• Delivered unit-tested code within customer-prescribed timeframes.
• Improved software performance by identifying and resolving bottlenecks in the code.
• Integrated new design patterns into existing systems, increasing capabilities and improving overall performance.

Vimachem is a company that provides industrial solutions to pharmaceutical manufacturers specializing in serialization and track & trace services. I was the leader of a software team that developed new products and provided solutions to the pharmaceutical industry.During my cooperation:
Developed applications for serialization and aggregation stations on the production line.
Developed application for inspection of printed labels during production.
Developed a web application for measuring the machine's OEE (Overall Equipment Effectiveness).
Developed services for the acquisition and reporting of unique serial numbers for Track & Trace purposes (based on the EPCIS protocol).
Performed research for the integration of collaborative robots (cobots) into existing production lines.

LandisGyr is a global leader in energy management. I worked as a software engineer at Corinth's site.

During my cooperation:

• Developed software applications for the production line based on the company's R&D specifications.
• Developed a software application that performs meter marking with an integrated robotic arm (Cobot) and a laser printer.
• Developed drivers for several types of devices like voltage/current/power meters, scanners, power sensors, power sources, and vision sensors.
• Added object-relational mapping (ORM) framework for .NET (Entity Framework) to store and retrieve data from the production liner system
• Developed software applications for the assembly process, high-voltage testing, and functional testing of meters.
• Improved the existing applications' architecture and optimized the station software.
• Maintained and improved existing software applications by identifying and resolving bottlenecks in the production process.

MasterBet is a company that provides software products and services to OPAP's stores.

During my cooperation:

• Developed a web and a mobile application that displays information for several OPAP gambling games. The mobile app was created through the PhoneGap platform.
• Integrated web services into a mobile app that provides marketing capabilities based on a user's loyalty.

Echovision is a subsidiary of Tranzas Inc., a leading Japanese company in STB technology.

During my cooperation:

• Integrated new media player into several products like IPTV or digital signage, increasing playback capabilities and improving overall performance.
• Developed an HTTP reader based on the HTTP protocol
• Developed a mechanism for memory management that improves the use of memory and prevents memory leaks and memory fragmentation
• Implemented streaming mechanisms for different audio and video content types via several web servers. Added playback support on several media formats (MPEG-1/2/4, WMV9, H.264, MP3, AAC, AC3, WMA, DTS, M1S, M2P, M2T, ASF, FLV).
• Implemented streaming mechanisms of different web servers (HTTP, RTSP, WMS)
• Worked on Sigma 8634/Sigma8652 platforms
• Developed an application for digital signage that provides a mechanism that splits a display area into several parts and displays different media content at each part. The media content may be audio, video, images, or scrolling text.