Juliano Costa focused on documentation-driven improvements across observability and telemetry projects. On aws-otelhub.io, he enhanced the Datadog exporter by updating Markdown documentation to include OTLP logs support, providing clear configuration examples for logs, metrics, and traces to guide users through end-to-end observability setup. His work ensured that the documentation accurately reflected new exporter capabilities, reducing user confusion and supporting seamless integration. In the netdata/opentelemetry-collector repository, Juliano addressed onboarding clarity by correcting a README typo, maintaining documentation quality without altering runtime behavior. His contributions emphasized precision in technical writing and a methodical approach to supporting developer experience through documentation.