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# Software Engineer, Agent Eval Platform

- **Company:** ServiceNow
- **Location:** Mountain View, CA, United States
- **Experience:** Expert
- **Salary:** $161,300.0 - $274,200.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Airflow, Data Stores, Software Debugging, Distributed Systems, Protocol Buffers, Design of User Interfaces, Python (Programming Language), Data Logging, Large Language Models, Backend, Servicenow
- **Published:** October 12, 2026
- **Apply:** https://www.juju.com/job/1_servicenow-744000143386961

## About the Role

a created ticket is visible to a later read + Per-run data injection and programmatic setup/teardown so every run is hermetic and repeatable + LLM-driven user simulators for open-ended personas, and scripted state-machine simulators for deterministic flows + Contract-testing mocks against real API schemas in CI, so simulation fidelity can't quietly drift as vendor APIs change + Ahead of us: isolated sandbox environments reproducing the config, identity, search content, and permissions an agent actually reads - provisioned from an identical baseline and torn down every run And across all three: laying the foundation for using eval signal to **optimize** the agent, not just measure it. **To be successful in this role you have:** **Experience in at least 3 of these:** + Distributed systems: idempotency, delivery guarantees, isolation, and - unusually central here - determinism and reproducibility + Orchestration and workflow runtimes: DAG execution,
scheduling, retries, backfills, high-concurrency job systems (Temporal, Airflow, Argo, or something you built yourself) + Observability internals as a _builder_ , not just a user: OpenTelemetry SDKs and collectors, semantic conventions, span context propagation, high-cardinality trace data + Concurrent and async programming: Python asyncio, Go concurrency, structured cancellation + Data-intensive pipelines: high-volume ingest, schema evolution, sampling and retention trade-offs + gRPC/protobuf service and interface design **Required:** + 5+ years building production backend or infrastructure systems + Strong in Python or Go (ideally both) + Experience designing and operating systems that handle real traffic at scale + Comfort making a _non-deterministic_ system measurable.

## Description

for the agent platform, replacing the parallel per-service logging, correlation, and redaction mechanisms in use today + The span data model for agent trajectories - prompts, tool calls, plan updates, outcomes - so a trajectory is _queryable_ , not reconstructed by hand from log files + Trace context propagation across async boundaries and sessions that stay alive for minutes or hours + Making full prompts and completions survive the pipeline intact, and keeping eval traffic from contaminating its own data + Fault attribution and cross-run diffing: which component actually broke, and what changed since the last green run + The debug surface support and harness engineers use, and the tracing contract with the team that builds the agent **Stateful simulation** + The simulation environment itself: stateful fakes of the enterprise systems agents call - ITSM, HR, knowledge bases, inventory - backed by a real datastore that persists changes _during_ a run, so, Work personas (flexible, remote, or required in office) are categories that are assigned to ServiceNow employees depending on the nature of their work and their assigned work location.
Learn more here (https://www.servicenow.com/content/dam/servicenow-assets/public/en-us/doc-type/other-document/careers/new-world-of-work-personas.pdf) . To determine eligibility for a work persona, ServiceNow may confirm the distance between your primary residence and the closest ServiceNow office using a third-party service. **Equal Opportunity Employer** ServiceNow is an equal opportunity employer.
All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, national origin or nationality, ancestry, age, disability, gender identity or expression, marital status, 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 globaltalentss@servicenow.com for assistance. **Export Control Regulations** For positions requiring access to controlled technology subject to export control regulations, including the U.S. Export Administration Regulations (EAR), ServiceNow may be required to obtain export control approval from government authorities for certain individuals.
All employment is contingent upon ServiceNow obtaining any export license or other approval that may be required by relevant export control authorities.
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