Worked on the ClickHouse/clickhouse-docs repository to enhance documentation related to JDBC and Apache Spark integration. Focused on resolving a documentation bug, this developer clarified the support for complex types and table creation when using Spark, addressing previously ambiguous guidance. The update, implemented in Markdown, aligned documentation with actual system behavior, reducing the risk of misconfiguration for Spark users and streamlining onboarding. Demonstrated technical writing skills and data engineering knowledge while collaborating with Spark and JDBC stakeholders to ensure accuracy. The work improved documentation consistency and reduced support overhead, reflecting careful attention to detail and a methodical approach to cross-team communication.