Senior Software Engineer – Real-Time Bidding (Go / Python / AdTech)

Senior Software Engineer | Go, Python & Real-Time BiddingI’m recruiting for a growing AdTech company looking for a Senior Backend Engineer with deep hands-on experience building real-time programmatic bidding systems.This is not a general backend role where AdTech experience is simply a plus.They need someone who understands the architecture and mechanics behind RTB, SSPs, DSP integrations, ad exchanges and OpenRTB — and has actually built or operated these systems in production.You’ll join the core team responsible for a large-scale programmatic advertising platform processing high volumes of traffic across dozens of services.What you’ll work on:Architect and build real-time bidding and auction infrastructureDevelop and scale SSP / DSP integrations and OpenRTB workflowsWork across bid requests, responses, timeouts, floor pricing and deal mechanicsBuild high-throughput, latency-sensitive backend servicesHelp migrate performance-critical systems from Python to GoOwn major backend initiatives from architecture through productionImprove scalability, reliability and performance across the ad platformMentor engineers and contribute to architectural directionWhat they’re looking for:7+ years of backend software engineering experienceStrong production experience with GoStrong production experience with PythonDeep professional experience in AdTechHands-on experience building RTB platforms, SSPs, DSPs or ad exchangesStrong understanding of OpenRTB and programmatic auction mechanicsExperience with high-scale distributed or latency-sensitive systemsAbility to operate as a senior IC and hit the ground runningExperience with Kubernetes, Docker, microservices and cloud infrastructure is valuable. GCP is a plus, but experience with any major cloud platform works.This is a strong opportunity for an experienced AdTech engineer who wants to own technically difficult infrastructure at real scale without the bureaucracy of a massive advertising platform.**Remote/**Optional NYC office access$170K–$185K base + equityIf you’ve built real-time bidding infrastructure and know the SSP/DSP ecosystem from the inside, please apply!