Sr. Software Engineer, tvScientific

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . About tvScientific tvScientific is the first and only CTV advertising platform purpose-built for performance marketers. We leverage massive data and cutting-edge science to automate and optimize TV advertising to drive business outcomes. Our solution combines media buying, optimization, measurement, and attribution in one, efficient platform. Our platform is built by industry leaders with a long history in programmatic advertising, digital media, and ad verification who have now purpose-built a CTV performance platform advertisers can trust to grow their business. We’re looking for a Senior Backend Engineer to help design, build, and scale tvScientific’s contract and billing systems that support direct advertisers, internal teams, and Finance. This role focuses on building backend services that can support a wide range of contract structures and billing models while maintaining strong guarantees around correctness, auditability, and operational reliability. You’ll work on systems that must operate accurately across different commercial relationships and external partners, ensuring our contract logic remains consistent, flexible, and maintainable as the business scales. This is a high-impact backend role at the intersection of revenue, finance, and customer operations, where clear domain modeling, data integrity, and sound engineering judgment matter more than any specific implementation approach. What you'll do: Design and implement backend systems for contract lifecycle management, including creation, versioning, approvals, amendments, and renewals Build and evolve contract management capabilities (e.g., terms, payouts, attribution rules, eligibility, and partner-specific logic) for our CPA Contract/Billing model Support the expansion of CPM billing model contracts, including rate management, impression-based calculations, and integrations with billing and finance systems Develop APIs and services that serve customers, internal operations teams, and finance stakeholders Partner closely with Product, Finance, and Data teams to translate business requirements into robust technical solutions Ensure systems are auditable, accurate, and compliant, with strong data integrity guarantees Improve system observability, reliability, and performance as contract volume and complexity scale Own backend services and data models related to contracts and billing Lead technical design discussions and make pragmatic architectural decisions Write clean, well-tested, and maintainable code with a strong focus on correctness Drive improvements in data consistency, validation, and error handling across contract workflows Review code and mentor other engineers, setting a high bar for backend quality Collaborate cross-functionally to support new deal structures and evolving business models What we're looking f ... (truncated, view full listing at source)