A leading AI observability platform in the United Kingdom is seeking an experienced software developer to build and enhance instrumentation libraries for LLM applications. The ideal candidate will have 3-5+ years in software development with expert proficiency in Python and TypeScript, and a passion for community-oriented open-source projects. This remote-first position offers a competitive salary range of $125,000 - $225,000 plus equity, along with extensive benefits including unlimited PTO and mental health support. #J-18808-Ljbffr