DoorDash

Software Engineer, ML Infrastructure (MDX)

DoorDash
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1 day ago
Seattle, WA, USA +2 moreMid Level
H1B sponsor

Base Salary

$131k - $192k/yr

Responsibilities

  • Build agentic systems that accelerate ML development across DoorDash, Wolt, and Deliveroo.
  • Design infrastructure that enables agents to propose, run, and evaluate modeling experiments.
  • Develop agentic developer support for training jobs, pipeline debugging, model deployment review, and ML platform navigation.
  • Build evaluation and observability systems for agent behavior, including regression detection and trust measurement.
  • Implement production reliability, safety guardrails, monitoring, cost controls, and operational playbooks.
  • Partner with ML engineers, data scientists, and platform teams to turn workflows into reusable platform capabilities.
  • Own well-scoped components end to end from design through production.

Requirements

  • Bachelor’s, master’s, or PhD in Computer Science or equivalent.
  • At least 2 years of industry software engineering experience.
  • Hands-on experience building production ML infrastructure, such as feature stores, ML data pipelines, training and experimentation platforms, model evaluation, deployment, serving, inference, or monitoring.
  • Strong backend engineering fundamentals, especially in Python and distributed systems.
  • Experience operating production systems, including testing, observability, debugging, and reliability.
  • Understanding of ML engineer and data scientist workflows and experience building platforms, tools, or services that improve their productivity.
  • Ability to take ambiguous, well-scoped problems from idea to production and learn quickly.
  • Proficiency with AI coding tools such as Claude Code, Codex, or Cursor across the software development lifecycle.
  • Preferred experience with LLM-powered applications or AI agents, tool use, orchestration, or MCP servers.
  • Preferred experience with agent evaluation, LLM observability, tracing, or evaluation harnesses.
  • Preferred experience with ML platforms or MLOps tools such as Kubeflow, MLflow, Ray, or Airflow.
  • Preferred experience with Kubernetes, AWS, or GCP cloud infrastructure.
  • Preferred experience building developer tools, internal platforms, self-serve infrastructure, or LLM guardrails and cost controls.

Benefits

  • Comprehensive benefits package including 401(k) with employer matching, medical, dental, vision, disability, and basic life insurance.
  • 16 weeks of paid parental leave, family-forming assistance, wellness benefits, commuter benefits match, paid time off, paid sick leave, and 11 paid holidays.
  • Flexible paid time off and 80 hours of paid sick time annually for salaried roles; hourly accrual policies are also provided.
  • Mental health program and other employee well-being benefits.
  • The position is a salaried role with a U.S. national base-pay range of $130,600–$192,000, excluding equity opportunities.
DoorDash

About DoorDash

10,000+ employees

DoorDash builds a marketplace and logistics platform that connects consumers with local restaurants and retailers for on-demand delivery and pickup, powered by a network of independent Dashers. It earns through delivery fees, merchant commissions, advertising, DashPass subscriptions, and white-label fulfillment via DoorDash Drive. Founded in 2013 and headquartered in San Francisco, the public company operates across the U.S. and selected international markets, and also researches automation through DoorDash Labs.

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