Worked on backend stability and documentation improvements across opentofu/terraform-provider-vault and hashicorp/web-unified-docs. In opentofu/terraform-provider-vault, implemented the removal of legacy PKCS12 and JKS fields from PKI resources using Go and Terraform, preventing unintended resource recreation during provider upgrades and adding upgrade-safety tests to validate schema changes. Updated changelogs and expanded test coverage to improve reliability for PKI management. In hashicorp/web-unified-docs, maintained release documentation by updating Vault 1.20.1 known issues, ensuring accurate traceability between release notes and in-product issue tracking. Focused on infrastructure as code, backend development, and documentation to support maintainable and reliable engineering workflows.