Senior Staff Software Engineer, Billing Platform

Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack — from electrons to tokens — to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster. We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that — with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI. We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe. About the Role: We are seeking a Senior Staff Software Engineer for our Billing team to design, build, and scale Crusoe Cloud’s billing platform. This role sits within the Cloud Customer Experience (CCX) organization and is critical to enabling accurate, transparent, and reliable billing for our customers. You will own core billing systems end-to-end, from metering and pricing to invoicing and payments, ensuring they are highly reliable, scalable, and easy to understand. This role requires deep collaboration with Product, Finance, Customer Success, and other engineering teams to deliver a seamless and trustworthy billing experience. What You'll Be Working On: - Own Critical Systems: Design and operate highly reliable billing services that directly impact revenue and customer trust. - Drive Accuracy & Transparency: Build systems that ensure customers can clearly understand their usage and charges. - Partner Cross-Functionally: Work closely with Finance, Product, Customer Success, and Support teams to align on requirements and deliver robust solutions. - Enable New Business Models: Implement flexible pricing and billing capabilities to support evolving cloud offerings. - Improve Reliability: Build safeguards, validation systems, and reconciliation workflows to prevent and detect billing discrepancies. - Mentor and Influence: Lead design discussions, review code, and raise the technical bar across the team. - Mentor and Lead: Guide engineers through design reviews and implementation, contributing to a strong engineering culture. - Design and build scalable billing systems, including usage metering, pricing models, invoicing, and payment integrations. - Ensure accuracy, reliability, and auditability of all billing-related data and workflows. - Develop real-time and batch processing pipelines for usage tracking and cost calculation. - Build APIs and services that provide customers with clear, transparent insights into their usage and spend. - Partner with Finance and Product teams to support new pricing models, product launches, and revenue workflows. - Improve system observability, reconciliation processes, and error handling to ensure billing correctness. - Contribute to architectural decisions that support long-term scalability and flexibility of the billing platform.. - Mentor engineers, enhance hiring practices, and contribute to building a strong, inclusive engineering culture. What You'll Bring to the Team: - Billing Systems Experience: Experience building or working on billing, payments, metering, or financial systems (or similarly complex, high-integrity data systems). - Strong Ownership Mindset: Ability to own complex systems end-to-end, with a focus on correctness, reliability, and long-term maintainability. - Professional Experience: 5+ years of software development e