Senior Frontend Engineer (FR)
Lago is hiring a Senior Frontend Engineer to build and scale the user-facing billing platform used by companies like PayPal, Synthesia, and CoreWeave. You will work on a React/TypeScript frontend, contributing to a product that gives teams full control and flexibility over complex pricing models.
Responsibilities
- - Build and maintain Lago's React/TypeScript frontend used by enterprise billing teams
- - Design UI for complex pricing model configuration and billing workflows
- - Collaborate with backend engineers on API design and data flows
- - Contribute to Lago's open-source codebase
- - Ensure performance, accessibility, and reliability across the platform
- - Work closely with product and design on customer-facing UX
Benefits & Perks
Requirements
- - 6+ years of frontend engineering experience
- - Strong React and TypeScript proficiency
- - Experience building complex, data-heavy SaaS interfaces
- - Comfortable working in an open-source codebase
- - Located in FR, DE, ES, IT, or GB (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 to handle their billing, Lago is hiring deliberately across product, engineering, and GTM as it scales.
Company Size
11–50 employees employees
Industry
Fintech / Billing Infrastructure / Open Source
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