Platform Engineer

Posted 3hrs ago

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Job Description

Platform Engineer building and running Holistic AI’s AI governance SaaS platform. Developing TypeScript, React, cloud infrastructure, and LLM-powered features for enterprises.

Responsibilities:

  • Build product features end to end: data model, typed APIs, business logic and React screens
  • Build LLM-powered features and agents: prompts, tool calls, structured outputs and evaluation
  • Build integrations with the enterprise systems customers use
  • Run multi-tenant cloud environments with infrastructure as code, including releases, patches and upgrades
  • Monitor production, investigate incidents and fix root causes
  • Review pull requests and write short design notes before larger changes
  • Own work from ticket to production and ship to customers every week

Requirements:

  • 4+ years building and running production web software
  • Strong TypeScript across Node.js and React
  • PostgreSQL data modelling and migrations, ideally through an ORM such as Drizzle or Prisma
  • Cloud experience, preferably AWS (serverless, containers, queues)
  • Infrastructure as code using SST, Pulumi, CDK or Terraform
  • Hands-on experience building with LLM APIs
  • Experience with CI/CD, automated testing and secure multi-tenant SaaS
  • Fluent written and spoken English
  • Portuguese or Spanish is a plus
  • Python, and experience building or evaluating AI agents
  • Identity integrations such as SSO, SAML, OIDC or directory sync
  • Experience in regulated industries or with AI regulation such as the EU AI Act

Benefits:

  • Remote work
  • Daily overlap with UK working hours