New opportunity

Software Engineer, AI Platform

Nominal · New York; Los Angeles; Austin; Seattle, United States

About this role

Join Nominal’s Hardware Intelligence team to build the infrastructure, data systems, and AI capabilities behind tools that help hardware engineers investigate failures and understand complex system behavior. This is a zero-to-one role: the engineer will work with customers and product leaders to identify useful capabilities, prototype them, and turn promising approaches into production software.

Responsibilities

  • Build agent infrastructure, evaluation pipelines, retrieval systems, and tools for reasoning over engineering data.
  • Ship AI-powered workflows for anomaly investigation, root cause analysis, and understanding hardware behavior.
  • Develop production-ready systems using large-scale time series, telemetry, logs, and other engineering datasets. Test prototypes with customers, iterate on feedback, and help establish engineering patterns and infrastructure as the team scales.

Qualifications

  • 5+ years of experience building AI or machine learning products shipped to production. Experience with large datasets, time series data, observability platforms, data infrastructure, or machine learning systems; a background in ML, data science, applied AI, or an adjacent field; and strong software engineering fundamentals in scalable backend or distributed systems.
  • Experience taking products from zero to one, strong product instincts, and comfort working on undefined problems with customers.

Preferred

Experience in telemetry, sensors, robotics, aerospace, industrial or autonomous systems; agentic systems, LLM applications, retrieval pipelines, or evaluation infrastructure; time series databases or observability tools; supporting users of large-scale operational data; or startup founding or new-product incubation.

This full-time position requires five days per week in an office in New York, Los Angeles, Austin, or Seattle. Applicants must meet the stated U.S. export-control eligibility requirements or be eligible for the required State Department authorizations. Benefits include 100% medical, dental, and vision insurance coverage, unlimited PTO and sick leave, free lunch and snacks, a professional development stipend, and an annual company retreat.

For full details about this role, click “Apply on company site” to view the employer’s original posting.

Skills for this role

AI agentsMachine LearningData ScienceTime Series DataTelemetryObservabilityData InfrastructureDistributed SystemsBackend DevelopmentRetrieval SystemsEvaluation PipelinesLLM ApplicationsRoot Cause AnalysisPrototypingTime Series DatabasesCustomer Discovery

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A focused preparation guide, built around this job’s responsibilities and requirements.

✦ AI-generated guide
Preparation suggestions, not the employer’s actual interview questions. Always check the original posting for current requirements.
01

Understand the role

What matters most

  • Discover the right product with customers

    Role: Work directly with customers, engineers, and product leaders to identify useful capabilities in an ambiguous, zero-to-one role. Preparation: Be ready to describe how you would turn an observed engineering workflow into a prototype and use feedback to decide what to build next.

  • Build the AI platform foundations

    Role: Build agent infrastructure, evaluation pipelines, retrieval systems, and tools for reasoning over engineering data. Preparation: Be ready to explain design choices and how you would evaluate whether these components help engineers.

  • Ship investigation workflows

    Role: Deliver AI-powered workflows for anomaly investigation, root cause analysis, and understanding complex hardware behavior. Preparation: Think through how an engineer would move from an observed anomaly to evidence they can inspect.

  • Make data-intensive systems production-ready

    Role: Build robust systems across large-scale time series, telemetry, logs, and other engineering datasets; the posting calls for scalable backend or distributed-systems fundamentals. Preparation: Have a concrete approach to data access, scale, and operational reliability.

  • Set patterns as the team scales

    Role: Help establish engineering patterns, infrastructure, and best practices for Hardware Intelligence. Preparation: Consider which prototype decisions you would revisit before making them shared foundations.

Likely challenges to think through

  • Balance fast experiments with durable foundations

    Likely challenge, not a confirmed problem: Rapid customer-tested prototypes may compete with the need for production-ready systems and reusable infrastructure. Prepare to explain when you would keep an approach provisional, harden it, or retire it.

  • Make AI investigations useful without overstating conclusions

    Likely challenge, not a confirmed problem: An anomaly or root-cause workflow must help engineers reason over evidence, while an AI-generated explanation could appear more certain than the data supports. Prepare to discuss evaluation and ways to expose supporting evidence and uncertainty.

  • Connect varied engineering data at scale

    Likely challenge, not a confirmed problem: Reasoning across large-scale time series, telemetry, and logs may require trade-offs between retrieval quality, responsiveness, and system complexity. Prepare to describe how you would test those trade-offs against a specific investigation workflow.

03

Practice your answers

Technical practice

Practice: How would you prepare telemetry, logs, and time-series data for an investigation workflow?

What to coverSuggested preparation: Explain timestamp alignment, missing data, and how you would preserve the context needed to interpret a hardware event. Discuss trade-offs between ingesting data quickly and validating it before analysis.

Practice: How would you design a workflow for investigating an anomaly in hardware telemetry?

What to coverSuggested preparation: Walk through establishing expected behavior, finding relevant signals and logs, and presenting evidence an engineer can inspect. Explain how you would distinguish a potentially meaningful deviation from noisy or incomplete data.

Practice: How would an AI workflow support root cause analysis without overstating its conclusions?

What to coverSuggested preparation: Describe how to compare candidate explanations against time-series and log evidence. Address the difference between correlation and cause, and how the workflow would communicate uncertainty to the engineer.

Practice: How would you build retrieval over engineering data for an AI-powered investigation?

What to coverSuggested preparation: Discuss how an investigation would identify relevant logs, telemetry windows, and other engineering records. Explain trade-offs between retrieval coverage, latency, and keeping answers grounded in the underlying data.

Practice: How would you structure agent infrastructure for reasoning over engineering data?

What to coverSuggested preparation: Outline how an agent could select data-access tools, track intermediate findings, and return evidence for review. Discuss how you would limit unsupported conclusions and handle tool failures.

Practice: How would you evaluate an anomaly-investigation or root-cause workflow?

What to coverSuggested preparation: Describe representative engineering cases, criteria for useful and evidence-backed findings, and how you would inspect failures. Explain how customer feedback could complement repeatable evaluations before and after changes.

Practice: How would you design a scalable backend for large engineering datasets?

What to coverSuggested preparation: Explain how data volume and time-range queries would affect storage, processing, and response time. Compare approaches for keeping investigations responsive while supporting robust production use.

Practice: How would you turn a promising AI prototype into production software?

What to coverSuggested preparation: Describe what you would validate with customers first, then what would need to change for reliability and maintainability. Explain how you would decide whether the prototype merits further investment.

Practice: How would you troubleshoot an investigation workflow that returns inconsistent findings?

What to coverSuggested preparation: Trace possible issues across source data, retrieval, agent behavior, and the way results are presented. Explain how you would isolate a failure, check its effect on engineers, and test a fix.

Practice: How would hardware context change the way you interpret a telemetry pattern?

What to coverSuggested preparation: Discuss why operating state and the relationship between signals may matter when interpreting an anomaly. Explain how you would obtain domain context from engineers rather than treating a statistical pattern as a complete explanation.

Behavioural practice

Practice: Tell me about a time you discovered a customer problem before defining the product.

What to coverSuggested preparation: Use a real situation, the questions you asked to understand the existing workflow, and the action you took based on what you learned. Close with the result, including whether the proposed capability proved useful.

Practice: Tell me about a technical bet you made when the problem was ambiguous.

What to coverSuggested preparation: Describe the situation, the options you considered, and why you chose a prototype or other next step. Give the result and explain what evidence led you to continue, change course, or stop.

Practice: Tell me about a time customer feedback changed what you built.

What to coverSuggested preparation: Set out the initial approach, the feedback, and the specific action you took in response. Describe the result without presenting the first version as successful if it was not.

Practice: Tell me about a time you aligned engineers and product leaders on where to invest.

What to coverSuggested preparation: Give a real situation with competing priorities, your role in comparing them, and how a decision was reached. Explain the result and any trade-off the team accepted.

Practice: Tell me about a time you established an engineering pattern as a system grew.

What to coverSuggested preparation: Describe the situation that made an existing approach hard to sustain and the pattern or infrastructure change you introduced. Explain how others used it and what result you observed.

02

Sharpen your knowledge

Topics to prepare

  • Time-series and telemetry data design

    Review timestamp alignment, missing data, event correlation, and storage/query trade-offs. Exercise: sketch a data model that connects sensor readings and logs during a failure window. The role explicitly works with large-scale time series, telemetry, and engineering datasets.

  • Scalable backend and distributed-system trade-offs

    Review how ingestion, processing, and investigation queries behave under scale and partial failure. Exercise: diagram a backend for engineering-data investigations and explain its bottlenecks and recovery paths. Scalable backend or distributed-system design is explicitly sought.

  • Retrieval, agents, and evaluation

    Review how retrieved evidence can support an agent’s conclusions and how to measure incorrect or unsupported outputs. Exercise: define test cases and success criteria for an agent investigating an anomaly. Agent infrastructure, retrieval systems, and evaluation pipelines are named responsibilities; LLM applications are listed as nice to have.

  • Anomaly investigation and root-cause reasoning

    Review the distinction between a detected anomaly, correlated signals, and a supported root-cause hypothesis. Exercise: map a hypothetical hardware failure from observations to competing explanations and evidence needed to distinguish them. These investigations are explicit product workflows.

  • Zero-to-one product decisions

    Review how to turn an undefined customer problem into a testable capability without committing prematurely to a full system. Exercise: draft a short problem statement, prototype scope, and feedback criteria for an engineering investigation workflow. Customer discovery, rapid prototyping, and iteration are explicit parts of the role.

Skills to revise

  • Investigate a telemetry failure window

    Using a small practice dataset, align time-series readings with logs, identify an unusual interval, and record what the evidence does and does not establish. This rehearses the posting’s hands-on work with telemetry, anomalies, and root-cause analysis; the practice dataset is a preparation suggestion.

  • Prototype evidence retrieval

    Build a small practice workflow that retrieves relevant log excerpts and telemetry intervals for an investigation question, then checks whether the returned evidence matches the time window. Retrieval over engineering data is an explicit responsibility; this prototype is a suggested exercise.

  • Construct an evaluation set

    Write several investigation cases with expected evidence, plausible wrong conclusions, and a scoring rubric; run a prototype against them and inspect failures. This practices the evaluation pipelines named in the posting.

  • Design a production-readiness review

    Take a prototype investigation service and document its scaling limits, failure handling, data-quality checks, and observable behavior. The exercise reflects the explicit expectation to turn approaches into robust, production-ready systems and establish engineering patterns.

  • Translate customer feedback into an iteration

    Role-play a conversation with a hardware engineer about a difficult investigation; summarize the current workflow, prototype one improvement, and specify what feedback would change the next version. Direct customer engagement and feedback-driven iteration are explicit responsibilities; the role-play is a preparation suggestion.

04

Your preparation checklist

  • Prepare a production AI project walkthrough

    The role calls for AI or ML products shipped to production. If applicable, prepare one example covering your contribution, architecture, deployment decisions, measured results, and lessons learned.

  • Sketch a telemetry investigation system

    As a practice exercise, draw a backend design for ingesting large-scale time series and logs and retrieving data for anomaly investigation. Be ready to explain scaling, data quality, and operational tradeoffs.

  • Outline an AI workflow and its evaluation

    For a hypothetical root-cause investigation, show where retrieval, agent tools, and human review would fit. Propose tests for whether findings are useful and supported by engineering data; these are preparation ideas, not specified product requirements.

  • Document a zero-to-one decision

    If applicable, prepare an example of an undefined customer problem you helped turn into a prototype and then a product decision. Identify the feedback gathered, the technical bet made, and what changed after testing.

  • Gather evidence of engineering judgment

    Select examples, where available, of scalable backend or distributed-system work and handling large datasets. Prepare concrete tradeoffs and outcomes rather than a list of technologies.

  • Write questions for the team

    Ask how Hardware Intelligence users currently investigate failures, how prototypes are evaluated with customers, and which engineering patterns the team most needs to establish as it scales.

  • Prepare factual answers to role logistics

    The posting specifies five days per week in an office in New York, Los Angeles, Austin, or Seattle and U.S. export-control requirements. Be ready to answer the employer’s location and authorization questions accurately, without assuming eligibility.

AI-generated from the job information · Prepared Sep 30, 2026 (UTC)Useful preparation, not a guarantee of eligibility or an offer.

Availability last checked: Nov 4, 2026. Status can change after a check; confirm on the employer’s website. Report an issue · Our checking policy

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