Title: Software Engineer II, Backend, tvScientific Location: San Francisco, CA, US; Remote, US Job Description: 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 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 for: - 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 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. #LI-SM4 #LI-REMOTE 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. Information regarding the culture at Pinterest and benefits available for this position can be found here. US based applicants only $123,696—$254,667 USD Our Commitment to Inclusion: Pinterest is an equal opportunity employer and makes employment decisions on the basis of merit. We want to have the best qualified people in every job. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, religion or religious creed, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, status as a protected veteran, physical or mental disability, medical condition, genetic information or characteristics (or those of a family member) or any other consideration made unlawful by applicable federal, state or local laws. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you require a medical or religious accommodation during the job application process, please complete this form for support.

• Design and model REST APIs • Implement business logic and decision rules in the backend • Ensure performance, scalability and resilience of integrations • Monitor and optimize the performance of services and integrations • Develop and implement new backend features with quality and scalability • Actively participate in technical and architectural definitions of solutions • Perform code reviews and provide technical mentorship to squad members • Propose architecture, performance and code-quality improvements • Act in N3 support for critical production incidents, performing deep diagnosis and fixes • Analyze logs, metrics and traces to identify root causes of issues • Implement fixes and hotfixes when necessary • Ensure coverage of automated tests (unit and integration) • Implement observability (logs, metrics, alerts) in applications • Document technical solutions and squad processes • Work closely with the PM, Designer and other developers • Participate in Scrum ceremonies (planning, daily, retro, review) • Share technical knowledge with the team; Mandatory requirements

• Lead backend initiatives from design through delivery, handling requirement decomposition, implementation, testing, and production rollout. • Evolve the platform architecture (monolith and/or microservices) with a pragmatic approach, balancing short-term decisions with long-term sustainability. • Implement and uphold code quality standards, including testing, effective code reviews, consistent error handling, and development best practices. • Lead complex integrations, ensuring application resilience through strategies such as timeouts, retries, idempotency, and fallbacks. • Actively maintain production system stability and reliability by performing diagnostics, incident mitigation, and participating in postmortems. • Mentor mid-level developers, supporting their technical growth through pair programming, pull request reviews, and ongoing guidance. • Contribute to the evolution of platform observability, supporting technical decisions with data and system health metrics.

• Development and evolution of the core product, using Ruby on Rails or Go to implement innovative features that add value to the solution. • Writing high-quality code and implementing AI solutions, ensuring quality through best practices, clean code, and integration of models that optimize our processes. • Team collaboration and technical leadership, working alongside multidisciplinary teams to promote a culture of knowledge sharing and continuous improvement.