Infrastructure Engineer

Lago is hiring an Infrastructure Engineer to build and scale the backend systems powering its open-source AI-native billing platform. Work with TypeScript and Node.js on infrastructure that handles complex, high-volume billing for companies like PayPal, Synthesia, CoreWeave, and Mistral.ai.

Responsibilities

  • - Design and build scalable infrastructure for Lago's billing platform
  • - Work on reliability, performance, and observability of backend systems
  • - Build and maintain TypeScript/Node.js services handling high-volume billing events
  • - Contribute to Lago's open-source codebase
  • - Collaborate with product engineers on infrastructure requirements
  • - Define and improve deployment, CI/CD, and monitoring practices

Benefits & Perks

- Competitive salary + equity - Remote from Europe or Americas (Paris HQ) - Work on infrastructure trusted by PayPal, Synthesia, CoreWeave, and Mistral.ai - Open-source product with strong community traction - Deliberate, high-impact hiring — small team, big scope

Requirements

  • - Strong backend and infrastructure engineering experience
  • - TypeScript and Node.js proficiency
  • - Experience with high-volume, reliability-critical SaaS systems
  • - Comfort working in and contributing to open-source codebases
  • - Located in Paris, wider Europe, or Americas (remote)

About Lago

Lago is the open-source, AI-native billing platform giving teams full transparency, control, and flexibility to manage and scale any pricing model. Trusted by PayPal, Synthesia, CoreWeave, and Mistral.ai. Hiring deliberately in Paris and remote across Europe and Americas — specifically looking for Infrastructure Engineer and Product Engineer candidates right now.

Company Size

11–50 employees employees

Industry

Fintech / Billing Infrastructure / Open Source

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