Senior Software Engineer | Go, Python & Real-Time Bidding

I’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 infrastructure
• Develop and scale SSP / DSP integrations and OpenRTB workflows
• Work across bid requests, responses, timeouts, floor pricing and deal mechanics
• Build high-throughput, latency-sensitive backend services
• Help migrate performance-critical systems from Python to Go
• Own major backend initiatives from architecture through production
• Improve scalability, reliability and performance across the ad platform
• Mentor engineers and contribute to architectural direction

What they’re looking for:

• 7+ years of backend software engineering experience
• Strong production experience with Go
• Strong production experience with Python
• Deep professional experience in AdTech
• Hands-on experience building RTB platforms, SSPs, DSPs or ad exchanges
• Strong understanding of OpenRTB and programmatic auction mechanics
• Experience with high-scale distributed or latency-sensitive systems
• Ability to operate as a senior IC and hit the ground running

Experience 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 + equity

If you’ve built real-time bidding infrastructure and know the SSP/DSP ecosystem from the inside, please apply!