Month: 2025-09 — Focus: documentation enhancements for YTSaurus Shuffle Service with Spark usage guidance. This work clarifies the transaction lifecycle, provides concrete Spark-based usage examples for large-table processing, and improves localization considerations for RU documentation. Impact: clearer guidance for users, smoother adoption of Shuffle features in Spark workflows, and a foundation for reducing support queries related to complex calculations over large tables. No major bug fixes were reported this month. Technologies/skills demonstrated: documentation authoring, version-controlled content updates, RU localization handling, and alignment with Spark data-processing patterns.

July 2025 (ytsaurus/ytsaurus) — Focused on improving roadmap visibility and release planning. Delivered a documentation-driven feature update to reflect SPYT feature completion status, increasing transparency for stakeholders and enabling more accurate release forecasting. No major bugs were reported or fixed this month; development efforts centered on accurate status communication and governance of the SPYT roadmap, setting the stage for upcoming releases.