AI Engineer - Instrumentation
Arize AI
full-time
About the role
Join Arize AI's Engineering team working on OpenInference – the industry-leading open-source standard for AI observability, LLM and agent instrumentation. You'll be at the forefront of defining how organizations instrument, trace, and observe their AI applications across the entire ecosystem, shaping the future of AI development worldwide. This role puts you at the epicenter of the AI landscape, working directly on the OpenInference repository that powers AI observability for thousands of developers worldwide. You'll synthesize requirements from both the vibrant open-source community and real-world enterprise deployments, translating these diverse needs into practical instrumentation capabilities that drive the future of AI innovation. This is NOT a role for everyone – it demands exceptional technical versatility, deep community engagement, and end-to-end ownership from conception to delivery.
What You'll Do
Build new LLM and instrumentation libraries for emerging LLM providers and agent frameworks
Maintain and enhance existing instrumentation across Python and TypeScript ecosystems, and others (OpenAI, Anthropic, LlamaIndex, CrewAI and many more)
Drive improvements to semantic conventions and OpenTelemetry standards that define AI observability
Collaborate with the global developer community through GitHub, Slack, and conferences, as well as Arize PMs and solution architects
Take complex problems from ideation to completion with full ownership and accountability
What We're Looking For
3-5+ years of software development experience shipping production code
Expert-level proficiency in both Python and TypeScript
Community-oriented mindset with genuine passion for collaborative open-source development
Deep interest in AI/LLM ecosystem with desire to stay current on emerging technologies
Strong analytical skills to distill requirements from diverse sources and stakeholders
Bonus Points, But Not Required
Experience building SDK clients, instrumentation libraries, or platform APIs
Hands-on experience with AI/ML observability or evaluation systems
About Arize AI
AI is rapidly transforming the world. As generative AI reshapes industries, teams need powerful ways to monitor, troubleshoot, and optimize their AI systems. That's where we come in. Arize AI is the leading AI & Agent Engineering observability and evaluation platform, empowering AI engineers to ship high-performing, reliable agents and applications. From first prototype to production scale, Arize AX unifies build, test, and run in a single workspace—so teams can ship faster with confidence.
We're a Series C company backed by top-tier investors, with over $135M in funding and a rapidly growing customer base of 150+ leading enterprises and Fortune 500 companies. Customers like Booking.com, Uber, Siemens, and PepsiCo leverage Arize to deliver AI that works.
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