Senior Agentic AI Engineer

The Role As a Senior Agentic AI Engineer at Eigen, you'll work on the core systems that make AI agents actually usable in production. You've built real things - distributed systems, APIs, developer tools - and you've gone deep on agents, LLM pipelines, or autonomous workflows. You're not just using AI tools - you have opinions on where this is going.You will own large parts of the system and move quickly from idea → working product.You will spend most of your time building. Not managing. Not talking about roadmaps. Building.This is a full-time role, remote-friendly, with a preference for U.S. time zones and close collaboration with the Seattle-based team.What You Will Do Build agent runtimes and orchestration systems (planning, tool use, memory, coordination)Make agents reliable (retries, failure handling, state management)Make agents observable (tracing, debugging, evaluation)Make agents cheap (cost-aware execution, performance optimization)Make agents useful in production (not demos - real systems people depend on)Integrate LLMs, APIs, and external data into coherent, working systemsDefine how developers build, debug, and extend agent behaviorWhat You'll Bring We care more about evidence than years of experience.Show us you've built hard things that work.Strong Signals You've shipped real systems that people depend onYou've taken ambiguous problems and turned them into working productsYou've built or deeply explored agent systems, LLM pipelines, or automation beyond simple demosYou understand system behavior in production - failure modes, tradeoffs, reliabilityYou move fast and iterate - you don't wait for perfect specsTechnical Foundation Strong backend / systems experience (distributed systems, APIs, infrastructure)Proficiency in at least one core language (Python, Go, TypeScript, Rust, etc.)Experience with reliability patterns (state, retries, observability)Comfort working across the stack when neededNice To Have Experience with agent frameworks (LangChain, AutoGen, CrewAI, or custom systems)Experience building multi-agent or orchestration systemsFamiliarity with LLM evaluation, prompting, or performance tuningExperience with workflow engines (Temporal, Airflow, Dagster)Experience building developer platforms, SDKs, or internal toolsExposure to retrieval systems, vector databases, or memory architecturesInterest in crypto, distributed systems, or verifiable computeUS Benefits Competitive salary and non-cash compensation (tokens and equity)World class benefits package (medical/dental/vision)Remote work set up stipendFlexible hours and a supportive remote environmentFlexible time off401(k) retirement plan + company matchMonthly wellness benefitYearly off-sitesPaid parental leaveIf hired outside of the US through an EOR, benefits will be offered based on specific country requirements and EOR offerings.Equal Opportunity Employment There's one more, very important thing. We are an equal opportunity employer. We search for amazing people of diverse backgrounds, experiences, abilities, and perspectives. We take care of each other to create an inclusive work environment where we love to come to work every day. We hope you can join us.