Senior AdTech Engineer

About the Role:

• Build and scale back-end components for a proprietary programmatic advertising platform in its third production version.
• Work closely with a data scientist and the CTO, balancing hands-on development with architecture and technical leadership.
• Own a critical area independently and guide the wider engineering team through code reviews and mentoring.

What You'll Do:

• Develop low-latency, high-throughput services processing ad requests in milliseconds, including proprietary AI agents for media buying.
• Integrate with AdTech platforms and APIs such as OpenRTB, DSPs, and SSPs.
• Apply architectural judgment in a real-time bidding environment and prioritize careful improvement of a live, performance-critical platform.

What You Bring:

• 5+ years of advanced Node.js back-end engineering and 3+ years of low-latency, high-throughput systems experience.
• 1+ year building agentic AI for production and 3+ years of advanced TypeScript.
• 2+ years with React, GCP, Kubernetes, and Argo CD, plus strong code review and mentoring experience.

Nice to Have:

• Programmatic advertising experience with OpenRTB, real-time bidding, DSPs, or SSPs.
• Golang, Jenkins, Grafana, or similar alternative experience.