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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer, Ad Auctions - **Company:** Roku, Inc. - **Location:** Salford, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), A/B Testing, Adobe InDesign, Amazon Web Services, Distributed Systems, Protocol Buffers, JSON, NoSQL, Performance Tuning, Cloud Services, SQL Databases, WebSocket, Cloud Platform System, Containerization, Yield Optimization, Kubernetes, Information Technology, Data Analytics, Marketplace, Docker, Microservices - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840574741-senior-software-engineer-ad-auctions ## About the Role * 5+ years of experience building large-scale distributed systems * 5+ years of experience working with cloud-based platforms and infrastructure * Deep experience building microservices in Java for container platforms such as Docker or Kubernetes * Solid understanding of SQL and NoSQL databases * Hands-on experience with AWS, GCP, or similar cloud services * Experience with protocols and data formats such as REST, WebSockets, HTTPS, JSON, and Protobuf * Demonstrated ability to drive timely consensus in design with senior engineering partners * Bachelor's or Master's degree in Computer Science, Engineering, or an equivalent field ## Description In this role, you will build teams focused on the Ads Auction and Marketplace to optimize yield and gross profit while performing real-time multi-objective optimization across short- and long-term objectives. You will help build control and simulation systems, design and run experiments, and extend the experimentation framework. You will also partner closely with Engineering, Inventory, and Product teams to define the vision and strategy for your group and to build and deliver the roadmap. This role is ideal for a leader who can combine deep technical judgment with strong cross-functional collaboration. You will contribute to systems that directly impact marketplace efficiency, advertiser outcomes, and platform revenue., * Lead the design, implementation, and evolution of real-time ads auction systems powering Roku's CTV advertising across The Roku Channel and the Roku platform * Own and enhance core auction capabilities including ad pod construction, bid evaluation, ranking, pricing, pacing, budget enforcement, and frequency capping * Build low-latency, highly reliable distributed services that operate at massive scale and serve billions of ad opportunities with strict latency and uptime requirements * Design auction logic that balances viewer experience with advertiser performance, publisher yield, and platform revenue * Develop and optimize SSP-side auction mechanisms and integrate with multiple DSPs, programmatic demand sources, and direct-sold campaigns * Partner closely with product managers, data science, and ads research teams to translate marketplace and monetization goals into scalable technical solutions * Drive yield optimization through auction design, demand shaping, floor strategies, and pricing experiments * Lead experimentation using A/B testing, auction simulations, and offline replay frameworks, and make data-driven decisions using statistical rigor * Ensure auction correctness, fairness, explainability, and transparency while maintaining compliance with privacy, regulatory, and brand-safety requirements * Influence the long-term technical roadmap for Roku Ads by proposing architecture improvements, scalability strategies, and performance optimizations ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [DevOps at Netflix](https://www.wearedevelopers.com/videos/270-devops-at-netflix) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Software Engineering Social Connection: Yubo’s lean approach to scaling an 80M-user infrastructure](https://www.wearedevelopers.com/videos/1583-software-engineering-social-connection-yubo-s-lean-approach-to-scaling-an-80m-user-infrastructure) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 102 - Race conditions](https://www.wearedevelopers.com/magazine/386-dev-digest-102-race-conditions) - [Dev Digest 136 - No JS(on) of mine](https://www.wearedevelopers.com/magazine/482-dev-digest-136-no-js-on-of-mine)