Worked on the linebender/vello repository, delivering two features focused on enhancing graphics rendering reliability and cross-platform robustness. Developed glyph rendering snapshot tests for the vello_cpu backend, enabling automated validation of text rendering with and without hinting to improve visual correctness and facilitate regression detection. Refactored texture dimension limit initialization to use adapter-provided maximums rather than WebGL queries, strengthening startup consistency across diverse hardware. Employed Rust for core development, leveraging graphics programming and testing skills alongside WebGPU technologies. The work emphasized test-driven development and cross-platform stability, resulting in improved rendering accuracy and more robust initialization processes without addressing explicit bug fixes.