Lago

You'll take **founder-defined priorities** and turn them into **shipped systems** for the leading open-source billing platform. Your impact will directly shape how companies like Mistral and Synthesia monetize. You'll operate across GTM, ops, and growth without a playbook, owning outcomes from start to finish.

You'll lead a **squad of up to 10 engineers** at Lago, the leading **open-source billing platform**. Your core impact is owning delivery, production health, and technical quality for your domain. This role blends hands-on coding with operational leadership in a fast-moving fintech environment.

You'll work directly with founders to transform **working AI prototypes** into a scalable multi-agent platform that powers GTM operations. You'll decompose monolithic skills into composable agents, make the system multi-user, and build self-improvement loops. This role offers direct founder collaboration and the chance to shape AI infrastructure from scratch.

You'll be the technical backbone of Lago's GTM motion, focusing on **pre-sales demos and technical evaluations** while also leading **post-sales onboarding and implementations**. You'll shape deals alongside AEs and founders, creatively bridging product gaps to keep deals alive. This role offers deep ownership in a fast-growing open-source billing platform.

You'll **own and scale Lago's infrastructure** for a fast-growing open-source billing platform. Your work will ensure **reliability, performance, and security** for customers like PayPal and Mistral.ai.

You'll own and scale Lago's infrastructure to ensure reliability, performance, and security. You'll design **automated provisioning** using Pulumi and Kubernetes, and optimize **PostgreSQL and Clickhouse** for high availability. You'll collaborate with engineers to improve deployment processes and DevOps best practices.

You'll contribute to **Lago's open-source billing platform**, working across the full backend stack. You'll tackle a variety of technical problems, help grow the team, and collaborate with Product and Frontend to **build features that scale**. This role offers a chance to shape the future of fintech at a fast-growing, well-funded startup.

You'll **own features end-to-end** at Lago, the leading open-source billing platform used by companies like PayPal and Mistral.ai. Your work will **directly shape product decisions** through customer conversations and shipping in production. This is a high-ownership role where you **define the spec and build it**.

You'll embed with customers to **build, integrate, and optimize Lago's open-source billing platform** in production environments. Your **custom integrations and data pipelines** will directly turn product flexibility into customer success. This role blends engineering depth with delivery ownership, working with a high-performing team backed by Y Combinator.

You'll contribute to Lago's open-source billing platform, tackling a wide variety of technical problems across the backend stack. Your work will directly shape the product used by companies like PayPal and Mistral.ai. You'll collaborate closely with Product and Frontend to understand customer needs and drive **feature improvements**.

You'll design and ship beautiful digital products for Lago, the leading open-source billing platform. You'll collaborate with our **Founding Product Manager** and engineering team to implement features that serve companies like PayPal and Mistral.ai. This role offers the chance to **shape the future of fintech** in a fast-growing startup.

You'll guide customers through their journey with Lago's open-source billing platform, from first contact to onboarding. You'll simplify technical concepts and ensure customers unlock the full potential of the platform. This role is about **creativity and adapting to the customer**, not following a script.

You'll own and scale Lago's frontend application, working closely with Product and Backend teams. You'll build **high-quality features** and maintain the **design system** to ensure consistency and performance at scale.