Dimitrios Karnavas
Team Lead - Senior Software Engineer
Brunnen
Summary
Software engineer and team lead with 14 years of experience developing code for demanding and high-volume businesses. Designed and implemented messaging infrastructure and centralized logging for microservices, developed test applications that reduced manual QA testing times by 35%. Reduced compilation time by 90%. Implemented Agile and Scrum processes and increased velocity by 40%. Enthusiastic team player and creative thinker.
Overview
18
18
years of professional experience
6
6
years of post-secondary education
Work History
Senior Software Developer
Luware
05.2023 - Current
- Developed additional customer data for ongoing calls.
- Refactored and optimized code.
- Developed new customized call workflow feature.
Senior Software Developer (C#)
Sonova
10.2022 - 04.2023
- Developed our internal verification machine framework for testing hearing instruments.
- Consulted with engineering team members and developed build automation and continuous delivery improvement plans.
- Improved team collaboration by migrating our core solution from svn to git versioning system.
Team Lead - Senior Software Engineer (C#, Angular)
Bystronic
11.2020 - 10.2022
- Designed and developed microservices messaging functionality using Kafka and NATS.
- Implemented Graphql query and subscription mechanism for communication between ASP.NET components.
- Designed and developed centralized logging feature for docker microservices using fluentd, mongodb and React.
- Developed mechanism for container reporting in React and KeystoneJS, using Graphql.
Scrum Master - Senior Software Engineer (C#)
AVEVA
03.2020 - 10.2020
- New api functionality (ASP.NET).
- Team Lead / Scrum Master.
- Resolved numerous customer reported issues.
Team Lead - Senior Software Engineer (C++/C#)
Sophos PLC
08.2016 - 09.2019
- Team Lead / Scrum Master.
- Responsible for endpoint status report uploading to AWS.
- Migrated code base to new build infrastructure, resulting in 90% faster compile times.
- Introduced and implemented Scrum and Agile practices. Increased team velocity by 40% on average and stopped QA debt accumulation.
- Developed UI application, that improved rate of manual testing by 35%.
Team Lead - Senior Software Engineer (C/C#/ASP)
B-Square
06.2014 - 07.2016
- Developed solution that enables transmission of video through usb connection.
- Migrated UI code from winforms to WPF.
- Developed ASP.NET website for authenticating software features.
- Team Lead of the ASP.NET website project.
- Migrated to TDD environment by shifting to dependency injection methodologies.
Senior Software Engineer (C#/WPF)
U-TX
03.2012 - 04.2014
- Implemented Adobe Illustrator designs in WPF, using Expression blend.
- Refactored existing code using MVVM design pattern principles.
- Implemented GPRS requirements in GMAP.net.
Team Lead - Software Engineer (C++)
Siemens Enterprise Communications (Unify)
01.2007 - 02.2012
- Implemented real time calculated bandwidth restrictions for video calls.
- Introduced subscriber’s number presentation solution to Openscape product.
- Team Lead of 5 developers.
Education
Master of Science - Digital Systems
University of Piraeus
Piraeus 09.2009 - 09.2011
Bachelor of Science - Electronics Engineering
Technological Institute of Piraeus
Piraeus 09.1997 - 01.2002
Skills
- C#
C
ASPNET Core
WPF
SQL
Javascript / Nodejs
React
Python
Typescript
Angular
C
Go
Timeline
Senior Software Developer
Luware
05.2023 - Current
Senior Software Developer (C#)
Sonova
10.2022 - 04.2023
Team Lead - Senior Software Engineer (C#, Angular)
Bystronic
11.2020 - 10.2022
Scrum Master - Senior Software Engineer (C#)
AVEVA
03.2020 - 10.2020
Team Lead - Senior Software Engineer (C++/C#)
Sophos PLC
08.2016 - 09.2019
Team Lead - Senior Software Engineer (C/C#/ASP)
B-Square
06.2014 - 07.2016
Senior Software Engineer (C#/WPF)
U-TX
03.2012 - 04.2014
Master of Science - Digital Systems
University of Piraeus
09.2009 - 09.2011
Team Lead - Software Engineer (C++)
Siemens Enterprise Communications (Unify)
01.2007 - 02.2012
Bachelor of Science - Electronics Engineering
Technological Institute of Piraeus
09.1997 - 01.2002
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