Staff Machine Learning Engineer

Team Overview

We build the AI layer of our CPQ platform — a set of Python services that let users configure, quote, and manage transactions through natural language instead of forms. This isn't a thin LLM wrapper. We're running multiple production agent architectures concurrently (ReAct-style tool-calling agents, hand-rolled LangGraph state machines, and the Harness — our from-scratch, industry-leading agent execution runtime). Our systems are backed by a first-party MCP surface into admin/product/rules/transaction systems and interoperate with other AI agents over the A2A protocol. Below that sits a conventional Java/Spring Boot microservices fleet and a React/TypeScript + Lit frontend that the agents ultimately drive.

Role Overview

We're looking for someone who already operates at a Senior-Staff bar in the agentic/LLM domain but is building out breadth across the rest of the stack. You'll be one of the most senior technical voices on how agentic systems get designed here — state management, tool boundaries, streaming protocols, prompt/context architecture, and multi-agent coordination — while staying credible end-to-end: able to read a Spring Boot service, unblock a frontend integration, or reason about a classical ML model pipeline when the problem calls for it.

What you get in this role:

• Multi-agent orchestration — LangGraph/LangChain agents over frontier LLMs for transaction editing, conversational configuration, and multi-product quote planning with plan/approve/refine loops and parallel task execution
• The Harness — we're crystallizing our own agent execution runtime into an industry-leading, state-of-the-art harness. Full-duplex sessions where a user can interrupt, redirect, or answer a clarifying question mid-execution while other work keeps streaming, built on a from-scratch async runtime rather than a bolted-on wrapper around someone else's agent loop. This is as much a performance and UX problem as a backend one — low-latency streaming, backpressure, live progress, partial results, graceful cancellation — and it's the part of the stack we're most invested in owning outright. You'd be a primary owner of where this goes next.
• MCP as a secondary interface — we maintain a first-party MCP server and clients into our admin/product/rules/transaction systems, but as the Harness matures it becomes the primary way our own agents interact with the platform, with MCP kept as the secondary, standards-based surface for external interop. You'd help decide what stays MCP-first and what moves onto the Harness.
• A2A protocol — agent-to-agent task delegation and streaming, surfaced through an external gateway so other systems (including core ServiceNow) can drive our agents directly
• Forward Deployed Engineering — expect real time embedded with customer- and product-facing teams against live deployments. Adapting the Harness and our agents to actual customer workflows under real constraints, not just building platform capability in the abstract
• RAG / context engineering — tenant-uploaded document ingestion, categorization, and aggregation into agent context. Prefix-cacheable prompt design for cost/latency
• Classical ML, when the problem isn't a good fit for an LLM — we have a separate PyTorch/scikit-learn training and serving pipeline (field-value prediction) that a whole-stack ML engineer should be able to read, extend, or evaluate against LLM-based alternatives
• Full-stack fluency — enough comfort in Spring Boot/Java services and the React/TypeScript + Lit frontend to unblock an integration end-to-end without waiting on a handoff

To be successful in this role you have:

• 8+ years building production software, with several years specifically shipping LLM-powered / agentic systems (not just API wrapper calls — real tool-use loops, state management, multi-turn orchestration)
• Experience in leveraging or critically thinking about how to integrate AI into work processes, decision-making, or problem-solving. This may include using AI-powered tools, automating workflows, analyzing AI-driven insights, or exploring AI's potential impact on the function or industry.
• Deep, hands-on expertise with LangGraph and/or LangChain (or the judgment to know when to skip them and hand-roll something better)
• Strong understanding of MCP — ideally having built an MCP server, not just consumed one
• Production async Python (FastAPI, asyncio) — comfortable with WebSockets, streaming, and the failure modes of long-lived stateful connections
• Track record of making real architecture decisions on agent systems — tool boundaries, context/state design, cost/latency tradeoffs, when a bounded agent beats a fully autonomous one
• Enough range outside Python to read/modify a Spring Boot service and a React component without hand-holding — this is explicitly a whole-stack role, not "Python specialist with a frontend allergy"
• Comfort operating with ambiguity and setting technical direction, not just executing a spec — this is a Staff-level bar on judgment
• A demonstrated habit of pulling the latest from the industry — new agent frameworks, protocol standards, model capabilities — into production quickly
• Willingness and ability to build real fluency in the Core ServiceNow platform. Our systems increasingly need to interoperate with it directly, and this role is expected to help drive that, not just react to it
• Willingness to work directly with customers/deployments as part of Forward Deployed Engineering efforts — this isn't a purely internal-platform role

Desired Qualifications

• Experience with classical ML (PyTorch/scikit-learn) in addition to LLM-based systems
• Experience with A2A or other agent-to-agent interop protocols
• Experience with RAG / knowledge-graph systems (embeddings, vector or graph-based retrieval)
• Multi-tenant SaaS experience, especially around per-tenant isolation of stateful connections/resources
• CPQ, quoting, or transaction/pricing domain experience
• Prior Forward Deployed Engineering experience, or time spent embedded with customers shipping bespoke solutions exposure

For positions in this location, we offer a base pay of $176,100 - $308,200, plus equity (when applicable), variable/incentive compensation and benefits. Sales positions generally offer a competitive On Target Earnings (OTE) incentive compensation structure. Please note that the base pay shown is a guideline, and individual total compensation will vary based on factors such as qualifications, skill level, competencies, and work location. We also offer health plans, including flexible spending accounts, a 401(k) Plan with company match, ESPP, matching donations, a flexible time away plan and family leave programs. Compensation is based on the geographic location in which the role is located and is subject to change based on work location.

Work Personas

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Equal Opportunity Employer

ServiceNow is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, gender identity,  veteran status, or any other category protected by law. In addition, all qualified applicants with arrest or conviction records will be considered for employment in accordance with legal requirements.  

Accommodations

We strive to create an accessible and inclusive experience for all candidates. If you require a reasonable accommodation to complete any part of the application process, or are unable to use this online application and need an alternative method to apply, please contact [email protected] for assistance. 

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