• Develop and maintain backend services using **Python and FastAPI** • Build and optimize APIs that power AI-driven travel planning features • Collaborate with engineers through **high-quality GitHub pull requests and code reviews** • Contribute to **sprint planning and agile development cycles** • Work on frontend components using **React** • Integrate backend systems with **MongoDB databases and AWS infrastructure** • Ensure code follows **clean architecture principles and coding standards** • Improve system performance, reliability, and scalability • Collaborate with AI and product teams to implement new platform capabilities

• Guide the design and implementation of a new LLVM based backend JIT compiler targeting NVIDIA GPUs • Design and develop new compiler passes and optimizations required to meet the high performance and low compilation time requirements of the compiler • Work with global compiler, hardware and application teams to oversee improvements and problem resolutions • Apply and adapt the latest compiler technologies to produce premier, robust, supportable compiler and tools • Get a chance to influence and work on new GPU architectures

• Analyze, design, and implement optimized GPU algorithms for large-scale vector search, databases, and machine learning. • Expand and improve the integration of NVIDIA cuVS into relevant high-level vector search libraries and vector databases. • Drive performance analysis, benchmarking, and troubleshooting of associated libraries. • Collaborate with a multi-functional team to understand requirements and implement or improve solutions

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description 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. - 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 Qualifications - Experience with billing/contract mechanisms (specifically affiliate platforms) - Bachelor’s degree in computer science, a related field or equivalent experience - Experience building large-scale full-stack products - Deep understanding of web development and best practices in React/Redux - Strong experience with programming languages Javascript and Python/Java - Strong software engineering principles and practices - Strong collaboration and communication skills Nice-to-Haves - Experience working closely with finance or accounting teams - Background in building audit-friendly or compliance-sensitive systems In-Office Requirement Statement We recognize that the ideal environment for work is situational and may differ across departments. What this looks like day-to-day can vary based on the needs of each organization or role. Relocation Statement This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model. Salary Information At Pinterest we believe the workplace should be equitable, inclusive, and inspiring for every employee. In an effort to provide greater transparency, we are sharing the base salary range for this position. The position is also eligible for equity. Final salary is based on a number of factors including location, travel, relevant prior experience, or particular skills and expertise. US based applicants only $123,696 — $254,667 USD