Senior Business Engineer - Ads

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . Reddit is entering a period of unprecedented innovation and growth—and there’s never been a more exciting time to join. The Ads Business Engineering team operates at the intersection of engineering, product, sales, and business development, delivering technical expertise and solutions that empower technology partners, agencies, and advertisers to seamlessly integrate with Reddit’s advertising platform. As a key member of this rapidly expanding team, you’ll have the opportunity to take meaningful ownership—driving cutting-edge AdTech integrations, launching and managing strategic partnership programs, and helping scale Reddit’s developer ecosystem. At Reddit, a Business Engineer plays a critical role in driving the success of our advertising API products and platform integrations. This experienced engineer role combines deep technical consulting with hands-on engineering, where you'll guide strategic integrations, often contributing directly to implementation across Reddit’s stack or in the codebases of partners (or direct advertisers). You will be a key technical advisor—trusted to own the end-to-end relationship with Reddit’s most important advertising partners, and execute on the long-term strategy for how we develop an ecosystem of developers. You’ll work across engineering, product, sales, and business development teams to connect Reddit’s capabilities to the evolving needs of the market. You won’t just recommend solutions—you’ll implement them across systems, including platform changes, and also help define frameworks for scaling and repeatability. If you're passionate about creating high-impact technical partnerships, influencing roadmaps, and building at the intersection of AdTech and developer experience, this is the role for you. Responsibilities Act as a trusted technical advisor and solutions architect for strategic partners (or direct advertisers), guiding them through the integration and adoption of Reddit’s advertising APIs and tools. Design and prototype proof-of-concept solutions that accelerate technical enablement and create tangible value for partners (or direct advertisers). These builds may occur in Reddit’s systems or directly within the client’s or partner’s codebase. Collaborate directly with engineering teams at partner (or direct advertiser) organizations to optimize performance, address integration gaps, and troubleshoot complex issues. Lead onboarding, testing, and pre-launch support to ensure a smooth and successful implementation experience. Represent the technical voice of the partner (or direct advertiser) internally, surfacing feedback and influencing product and platform priorities to improve outcomes for both sides. Support escalations for complex or high-impact integrations and provide clear, actionable direction to resolve blockers quickly and sustainably. Basic Qualifications Bachelor’s degree in Computer Science, Engineering, or a related field—or equivalent practical experience. 5+ years of software development experience, with a strong track record of owning end-to-end technical projects, including cross-org coordination. Hands-on coding expertise in one or more modern programming languages (e.g., Python, Java, JavaScript, Node.js), with a focus on backend or API development. Proven ability to contribute directly to external integrations and prototype in partner environments. Strong understanding of REST APIs, HTTP, OAuth2 / OpenID Connect, and modern SDK patterns. Effective communicator with experience presenting complex technical and busi