Forward Deployed Engineer

<h1><strong>About Lago</strong></h1><p style="min-height:1.5em">At Lago, we’re on a mission to make billing simpler, more transparent, and more adaptable for SaaS companies.</p><p style="min-height:1.5em">As the leading open-source billing platform, we empower businesses to build flexible pricing models and scale with confidence. We’ve raised over <strong>$22 million in funding</strong> from top-tier investors including <strong>Y Combinator</strong> and <strong>FirstMark</strong>, reflecting strong confidence in our vision and growth.</p><p style="min-height:1.5em">Our platform has garnered over <strong>9,000 stars on GitHub</strong>, a testament to our active and growing developer community. Companies such as <strong>PayPal</strong>, <strong>CoreWeave</strong>, <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.synthesia.io/"><strong>Synthesia</strong></a> and <a target="_blank" rel="noopener noreferrer nofollow" href="http://Mistral.ai"><strong>Mistral.ai</strong></a> choose Lago for their billing.</p><p style="min-height:1.5em">We’re a team of ambitious, focused individuals who work together to solve hard problems with excellence and accountability. At Lago, we value <strong>reliability and proactivity</strong>—we trust each other to own tasks, drive them to completion, and adapt quickly. While we encourage you to <strong>try fast and “fail fast”</strong>, we also expect you to <strong>learn fast</strong>: make mistakes, but don’t make the same one twice.</p><p style="min-height:1.5em">If you’re excited by challenges and want to grow alongside a high-performing, supportive team, this is the place for you.</p><p style="min-height:1.5em"></p><h1>Overview</h1><p style="min-height:1.5em">At Lago, Forward-Deployed Engineers (FDEs) are engineers embedded with customers.</p><p style="min-height:1.5em">They build, integrate, and optimize Lago in production environments: ensuring adoption, scalability, and impact.</p><p style="min-height:1.5em">This role blends engineering depth with delivery ownership and customer collaboration.</p><p style="min-height:1.5em">You’ll write code, deploy systems, and translate real-world use cases into product-ready insights.</p><p style="min-height:1.5em">FDEs are not part of the reactive support queue, and they’re not isolated in core product development. They sit at the intersection of engineering and delivery: the engineers who turn product flexibility into customer success.</p><p style="min-height:1.5em"></p><h1><strong>What you’ll be doing</strong></h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Own technical delivery for Tier 1 customers: from architecture design to deployment.</p></li><li><p style="min-height:1.5em">Build custom integrations, connectors, and workflows using Lago’s Ruby on Rails APIs, React, and TypeScript stack.</p></li><li><p style="min-height:1.5em">Design data ingestion pipelines and automation scripts (PostgreSQL, Redis, Kafka).</p></li><li><p style="min-height:1.5em">Configure and optimize billing, metering, and event processing setups tailored to customer environments.</p></li><li><p style="min-height:1.5em">Collaborate with Support Engineers on reliability handoffs and Core Engineering on product extensions.</p></li><li><p style="min-height:1.5em">Write reusable code, documentation, and best-practice templates for future implementations.</p></li><li><p style="min-height:1.5em">Surface recurring patterns or feature gaps to Product and Engineering for roadmap input.</p></li><li><p style="min-height:1.5em">Mentor customer teams on Lago’s architecture, SDKs, and deployment patterns.</p></li></ul><h2><strong>Who you are</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">A software engineer/technical expert who thrives in hands-on, customer-facing environments.</p></li><li><p style="min-height:1.5em">Enjoys designing integrations, data pipelines, and technical architectures.</p></li><li><p style="min-height:1.5em">Communicates clearly, balancing technical detail with customer empathy.</p></li><li><p style="min-height:1.5em">Resourceful and comfortable navigating ambiguity.</p></li><li><p style="min-height:1.5em">Eager to work across code, delivery, and customer experience.</p></li></ul><h2><strong>Who you’re not</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">You’re not part of reactive support queues: you plan, build, and deliver.</p></li><li><p style="min-height:1.5em">You’re not detached from customers: you embed and advise.</p></li><li><p style="min-height:1.5em">You’re not limited to writing specs: you ship and document your work.</p></li><li><p style="min-height:1.5em">You’re not chasing short-term fixes: you design systems that scale.</p></li></ul><h1><strong>Requirements</strong></h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">4+ years of experience working closely with APIs and SDKs (in Ruby/React would be a bonus but can be multiple languages)</p></li><li><p style="min-height:1.5em">Deep understanding of REST APIs, authentication, and integration patterns.</p></li><li><p style="min-height:1.5em">Strong SQL and data modeling skills (PostgreSQL, Redis, Kafka a plus).</p></li><li><p style="min-height:1.5em">Experience designing and deploying production-ready integrations.</p></li><li><p style="min-height:1.5em">Excellent written and verbal communication skills for both technical and non-technical stakeholders.</p></li><li><p style="min-height:1.5em">Proven ability to manage delivery timelines and coordinate across teams.</p></li></ul><p style="min-height:1.5em">Nice to have</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience in technical consulting, professional services, or customer engineering.</p></li><li><p style="min-height:1.5em">Familiarity with Terraform, Docker, or CI/CD environments.</p></li><li><p style="min-height:1.5em">Background in billing, payments, or developer platforms.</p></li><li><p style="min-height:1.5em">Prior contribution to open-source or customer-led product delivery.</p></li></ul><p style="min-height:1.5em"><strong>Growth path</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Technical: Senior → Core Engineering / Product Architecture.</p></li><li><p style="min-height:1.5em">Cross-functional: Product Manager.</p></li><li><p style="min-height:1.5em">Leadership: FDE Lead → Head of Professional Services / Customer Engineering.</p></li></ul><p style="min-height:1.5em">FDEs form the bridge between engineering and real-world adoption: turning technical capability into customer outcomes.<br></p><h1>Why Join Lago?</h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Work on a product loved by engineers and product teams</p></li><li><p style="min-height:1.5em">Join a lean and ambitious team building foundational infrastructure</p></li><li><p style="min-height:1.5em">Contribute to an open-source project with real-world impact</p></li><li><p style="min-height:1.5em">Competitive compensation and early equity in a fast-growing company</p></li></ul><p style="min-height:1.5em">Ready to Build with Us?</p><p style="min-height:1.5em">If you’re excited about joining a high-talent team to solve meaningful problems and help businesses thrive, we’d love to hear from you. Apply today and let’s build something remarkable—together.</p><p style="min-height:1.5em">Location type: Remote </p><p style="min-height:1.5em">Primary Location: Remote Europe </p><p style="min-height:1.5em">Team : GTM </p><p style="min-height:1.5em">Work Type: Full Time/Permanent Contract </p><p style="min-height:1.5em">Salary: 70,000-100,000 EUR per year</p><p style="min-height:1.5em"><em>(Applicants must be based in the location specified for this role. Applications from other locations will not be considered.)</em></p>