Harper

Platform Engineer

Harper
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1 month ago
San Francisco, CA, USAIntern / Entry Level / Mid Level / Senior / Staff+
H1B sponsor

Base Salary

$140k - $280k/yr

Responsibilities

  • Own core infrastructure including databases, AWS services, networking, and CI/CD.
  • Build systems that support thousands of concurrent AI operations with sub-second response times and cost efficiency under load.
  • Design observability for system errors and business-level silent failures.
  • Orchestrate parallel agentic workloads reliably and cost-effectively as scale increases.
  • Build tooling and abstractions that improve product engineering velocity.
  • Own reliability through SLOs, on-call support, incident response, and post-mortems.
  • Build evaluation infrastructure to measure improvements in AI outputs.

Requirements

  • Software engineering experience focused on platform, infrastructure, or SRE work, with level determined during interviews.
  • Proficiency in Python, TypeScript, Go, or a similar language.
  • Production experience with AWS, Postgres, and observability tooling.
  • Experience building systems and tooling relied upon by other engineers.
  • Experience owning production systems at scale and responding when they fail.
  • Based in San Francisco or willing to relocate.
  • Preferred qualifications include experience orchestrating AI/ML workloads, agent frameworks, LLM inference infrastructure, voice AI, real-time systems, deep AWS experience with ECS, Lambda, RDS, and VPC design, and startup experience in hypergrowth companies.

Benefits

  • Salary of $140,000–$280,000 depending on experience, plus performance bonuses and equity.
  • San Francisco, in-office role; candidates must be based in San Francisco or willing to relocate.
  • Monday–Friday schedule with a very early morning start and five days per week in the office.
  • Uber commuter benefits.
  • Breakfast, lunch, dinner, snacks, drinks, and coffee provided daily.
  • Free gym membership.
  • Health, dental, and vision insurance.
Harper

About Harper

51-200 employees
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