Senior Software Engineer (SDK)

About the Role This is a high-ownership engineering role at a fast-growing, open-source AI engineering platform — think of it as the Datadog for LLM observability. The platform is trusted by thousands of development teams worldwide, and the SDKs you'll own are downloaded millions of times each month , often serving as the very first touchpoint a developer has with the product. The SDKs run in production environments ranging from serverless functions to long-running agent loops. They must be rock