> Markdown version of [/jobs/ext/2588522-staff-backend-engineer-offerwall](https://www.wearedevelopers.com/jobs/ext/2588522-staff-backend-engineer-offerwall). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Backend Engineer, Offerwall - **Company:** Unity Technologies - **Location:** San Francisco, CA, United States - **Salary:** $200,400.0 - $260,500.0 - **Contract:** Permanent contract - **Skills:** Business Logic, Big Data, Distributed Systems, Fraud Prevention and Detection, Monitoring of Systems, Mobile Application Software, Machine Learning, Message Oriented Middleware, Data Streaming, Web Applications, Data Logging, System Availability, Backend, Core Data, Integration Frameworks, Golang - **Published:** August 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=bbbaf13b7c62470f ## About the Role * Technical Leadership: track record of owning a significant backend system, setting direction, making the architectural calls, and getting it delivered through others as well as yourself. * High-scale distributed systems: Demonstrated ability to design and ship large-scale, highly available, latency-sensitive distributed services with complex business logic. * Core Technologies: Strong proficiency in backend development using Go (or clear ability to become effective in it quickly). Working knowledge of gRPC with a willingness to adapt to the best tool for the job. * Observability & Data Streaming: Practical experience with observability platforms (logging, metrics, monitoring/tracing) and message bus technologies for managing complex data streams. * Integration Design: track record of building new systems amid rapidly shifting requirements. You can design systems that are stable through three requirement changes, and you know which change should revise the core data flow. * Cross-team influence & mentorship: Experience driving technical work across team boundaries and developing the engineers around you. Strongly preferred: * Experience building or operating a DSP, ad exchange, or real-time bidding system, and familiarity with OpenRTB. * Working understanding of supply-side ad mediation concepts such as waterfall vs. bidding, adapter and SDK integration, and how creative-format choices determine which mediators and networks can carry your demand. * Background in ad serving, auction mechanics, or programmatic advertising more generally., This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English. ## Description We're seeking a Staff Software Engineer to be the technical leader for Offer Delivery. You will set the technical vision for the service, define its architecture, influence its roadmap, and drive delivery of it. You'll own how targeting, pacing, and supply-side rules are expressed and enforced on the serving path. You'll coordinate closely with the auction, machine learning, platform, and product teams whose systems Offer Delivery sits between. As a technical leader on our Offerwall team, you will play a critical role in evolving our core monetization product, designing and implementing its next generation of technology. This is an exciting opportunity to lead impactful initiatives, architect robust solutions, and directly contribute to the financial success of countless mobile app developers and the engagement of millions of users globally. You will work at the intersection of rewarded advertising, advanced fraud prevention, and large-scale data processing, driving innovation that directly impacts our bottom line and industry leadership. Your solutions will foster stronger collaboration and integration with other Ads products at Unity. You will mentor and guide engineers as they design, build, and deploy web applications and services. You will also play a key role in designing backend technical solutions that focus on system performance, reliability, and delivering business value at scale. What you'll be doing: * Architect & Design: Lead the technical design and architecture for Offer Delivery services, features, and critical strategic initiatives, collaborating closely with senior engineers and managers. * Develop & Innovate: Build, test, and operate the Golang services that power real-time bidding into video auctions (OpenRTB) and direct offer placement outside the auction flow. * Raise the Bar: Mentor engineers, set engineering standards, and foster a culture of technical excellence on the team. * Drive Cross-team Delivery: Ensure seamless communication and collaboration with product, Ad Viewer, teams in a distributed environment. * Operate & Maintain: Ensure the high availability and reliability of our production services, including participation in on-call rotations and proactive system monitoring. ## Related Videos - [Super scaling for the Super Bowl: How to survive 30 million users hitting your backend in 30 minutes](https://www.wearedevelopers.com/videos/100356-super-scaling-for-the-super-bowl-how-to-survive-30-million-users-hitting-your-backend-in-30-minutes) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)