Pavel Kirik delivered an end-to-end fuzz testing integration for the Userver Web Async Framework within the google/oss-fuzz repository, focusing on increasing the robustness of HTTP parsing and JSON processing. He implemented honggfuzz-based fuzzing to cover the entire web framework path, leveraging asynchronous programming and C++ development skills. The integration utilized CMake and Docker to establish a scalable, CI-ready workflow, ensuring that future Userver features benefit from automated fuzz testing. By collaborating across teams and expanding coverage beyond isolated components, Pavel’s work addressed edge cases and reduced production risk, laying a foundation for ongoing reliability improvements in the project.