Sr. Backend Engineer, tvScientific

Pinterest•San Francisco, CA

10h•Remote

About The Position

tvScientific is the first and only CTV advertising platform purpose-built for performance marketers. They leverage massive data and cutting-edge science to automate and optimize TV advertising to drive business outcomes, combining media buying, optimization, measurement, and attribution in one efficient platform. The platform is built by industry leaders with a long history in programmatic advertising, digital media, and ad verification. The company is 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. The engineer will work on systems that must operate accurately across different commercial relationships and external partners, ensuring 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 are paramount.

Requirements

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
Demonstrated ability to use AI to improve speed and quality in your day-to-day workflow for relevant outputs
Strong track record of critical evaluation and verification of AI-assisted work (e.g., testing, source-checking, data validation, peer review)
High integrity and ownership: you protect sensitive data, avoid over-reliance on AI, and remain accountable for final decisions and deliverables

Nice To Haves

Experience working closely with finance or accounting teams
Background in building audit-friendly or compliance-sensitive systems

Responsibilities

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