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
2023.05 - Current
- Developed additional customer data for ongoing calls.
- Refactored and optimized code.
- Developed new customized call workflow feature.
Senior Software Developer (C#)
Sonova
2022.10 - 2023.04
- 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
2020.11 - 2022.10
- 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
2020.03 - 2020.10
- New api functionality (ASP.NET).
- Team Lead / Scrum Master.
- Resolved numerous customer reported issues.
Team Lead - Senior Software Engineer (C++/C#)
Sophos PLC
2016.08 - 2019.09
- 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
2014.06 - 2016.07
- 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
2012.03 - 2014.04
- 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)
2007.01 - 2012.02
- 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 2009.09 - 2011.09
Bachelor of Science - Electronics Engineering
Technological Institute of Piraeus
Piraeus 1997.09 - 2002.01
Skills
- C#
C
ASPNET Core
WPF
SQL
Javascript / Nodejs
React
Python
Typescript
Angular
C
Go
Timeline
Senior Software Developer
Luware
2023.05 - Current
Senior Software Developer (C#)
Sonova
2022.10 - 2023.04
Team Lead - Senior Software Engineer (C#, Angular)
Bystronic
2020.11 - 2022.10
Scrum Master - Senior Software Engineer (C#)
AVEVA
2020.03 - 2020.10
Team Lead - Senior Software Engineer (C++/C#)
Sophos PLC
2016.08 - 2019.09
Team Lead - Senior Software Engineer (C/C#/ASP)
B-Square
2014.06 - 2016.07
Senior Software Engineer (C#/WPF)
U-TX
2012.03 - 2014.04
Master of Science - Digital Systems
University of Piraeus
2009.09 - 2011.09
Team Lead - Software Engineer (C++)
Siemens Enterprise Communications (Unify)
2007.01 - 2012.02
Bachelor of Science - Electronics Engineering
Technological Institute of Piraeus
1997.09 - 2002.01