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A leading company is seeking a Head of Engineering to scale its innovative open-source billing platform. The ideal candidate will lead a high-performing tech team, define the technical vision, and ensure system security and performance. Opportunity to work in a dynamic, remote-friendly environment based in Paris or elsewhere in France, addressing hard technical challenges in the SaaS landscape.
At Lago, we’re on a mission to make billing simpler, more transparent, and more adaptable for SaaS companies.
As the leading open-source billing platform, we empower businesses to build flexible pricing models and scale with confidence.
We’ve raised over $22 million from top-tier investors who believe in our long-term vision. Our platform has attracted 7,000+ stars on GitHub, and forward-thinking companies like Mistral.ai, Together.ai, Groq, and Laravel rely on Lago to power their billing infrastructure.
We’re a team of ambitious, focused individuals who work together to solve hard problems with excellence and accountability.
At Lago, we value reliability and proactivity — we trust each other to own tasks, drive them to completion, and adapt quickly. While we encourage experimentation and “failing fast” when needed, we also expect a steep learning curve: make mistakes, but never twice.
If you're motivated by technical complexity, leadership impact, and building systems at scale—this is the place for you.
Experience contributing to or leading open-source projects
Familiarity with usage-based pricing or metering pipelines
Background in security and compliance for fintech or regulated environments
Why Join Lago?
Impactful leadership: Build the engineering team behind a category-defining billing platform
Hard technical problems: Scale mission-critical infrastructure used by nextgen AI and SaaS companies
Remote-friendly: Work from anywhere in France, or join us in Paris
Startup growth: Be part of a fast-growing, well-funded open-source company