evcc-io/evcc
Feb 2026 – Feb 2026
1 Month active
Languages Used
Go
Technical Skills
API developmentAPI securityGobackend developmenterror handlingsecurity
Marcel Goerentz
PROFILE
Marcel Goerentz
Martin Goerentz enhanced the evcc-io/evcc repository by delivering two key features focused on WebSocket reliability and security. He improved real-time monitoring and control by refining WebSocket connection resilience, implementing enhanced logging, and introducing capped exponential backoff to prevent resource exhaustion and file descriptor leaks. Martin also strengthened security by integrating digest authentication, removing credentials from the WarpWS structure, and refactoring authentication logic to use a dedicated digest package. Working exclusively in Go, he demonstrated expertise in backend development, error handling, and WebSocket programming. His contributions resulted in more stable, secure, and maintainable device communication within the platform.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
5Total
Bugs
0
Commits
5
Features
2
Lines of code
434
Activity Months1
Your Network
153 peopleWork History
February 2026
5 Commits • 2 Features
Feb 1, 2026February 2026 – evcc-io/evcc: Key WebSocket reliability, security, and observability enhancements delivered for real-time monitoring and control. - WebSocket Connection Resilience and Observability: improved reliability, enhanced logging, capped exponential backoff, and refined reconnection logic to prevent file descriptor leaks. Commits: c457fe9839825cc363304c8cdc6d3a19662f4e9d; 217062b22227125c988b910280d186032c345929. - WebSocket Digest Authentication and Refactor: added digest authentication, removed credentials from WarpWS, and refactored to use the digest package for a secure, maintainable approach. Commits: cdb947e55138af4709d1dc42734bca122ba67dd2; 27a512ff45acc5783926f17acd0728fea98b9339; c3cd6e41cde0802eb3225722f92abf29af0cd367. Major bugs fixed: fixed potential file descriptor leaks, capped backoff intervals to prevent resource exhaustion, and removed unnecessary fields to simplify maintenance and reduce error surfaces. Impact and business value: higher reliability of real-time WebSocket communications, improved security posture with standard digest authentication, and enhanced observability and maintainability, enabling more stable device monitoring and control. Technologies/skills demonstrated: Go, WebSocket handling and reconnection logic, backoff algorithms, enhanced logging and observability, digest authentication implementation, and targeted refactoring to digest package.
5 Commits • 2 Features
Feb 1, 2026February 2026 – evcc-io/evcc: Key WebSocket reliability, security, and observability enhancements delivered for real-time monitoring and control. - WebSocket Connection Resilience and Observability: improved reliability, enhanced logging, capped exponential backoff, and refined reconnection logic to prevent file descriptor leaks. Commits: c457fe9839825cc363304c8cdc6d3a19662f4e9d; 217062b22227125c988b910280d186032c345929. - WebSocket Digest Authentication and Refactor: added digest authentication, removed credentials from WarpWS, and refactored to use the digest package for a secure, maintainable approach. Commits: cdb947e55138af4709d1dc42734bca122ba67dd2; 27a512ff45acc5783926f17acd0728fea98b9339; c3cd6e41cde0802eb3225722f92abf29af0cd367. Major bugs fixed: fixed potential file descriptor leaks, capped backoff intervals to prevent resource exhaustion, and removed unnecessary fields to simplify maintenance and reduce error surfaces. Impact and business value: higher reliability of real-time WebSocket communications, improved security posture with standard digest authentication, and enhanced observability and maintainability, enabling more stable device monitoring and control. Technologies/skills demonstrated: Go, WebSocket handling and reconnection logic, backoff algorithms, enhanced logging and observability, digest authentication implementation, and targeted refactoring to digest package.
February 2026
Activity
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Quality Metrics
Correctness92.0%
Maintainability88.0%
Architecture92.0%
Performance84.0%
AI Usage32.0%
Skills & Technologies
Programming Languages
Go
Technical Skills
API developmentAPI securityGobackend developmenterror handlingsecuritywebsocket programming
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