Founding AI Ad Delivery Engineer (High Equity)

Praxis, Inc.; San Francisco (CA); On-site; USD 190,000 - 270,000; Full time

Benefits offered by this job

Equity

Competitive compensation

Job summary

Elo, an ad-network for consumer AI apps, seeks a founding engineer to design the ad delivery engine and supporting infrastructure in SF. You will help scale the system as millions of requests per minute rise, shaping how ads are selected and delivered inside AI experiences.

You’ll own critical pieces: the decisioning pipeline, publisher SDK integration, and delivery controls, with high equity and competitive compensation. Join a fast-moving team building contextually relevant ads for AI apps.

Qualifications

• Evidence of writing scalable, low-latency infrastructure.
• Experience with multi-agent or AI-driven workflows.
• Track record shipping high-throughput services.

Responsibilities

• Design the ad decisioning pipeline with latency SLAs.
• Develop the publisher SDK for hours-long integration.
• Build delivery infrastructure for pacing and budget management.
• Maintain observability dashboards for latency percentiles and revenue.

Skills

AI agent harness

Low latency networks

Distributed systems

Compute clusters

Job description

Elo, an ad-network for consumer AI apps, seeks a founding engineer to design the ad delivery engine and supporting infrastructure in SF. You will help scale the system as millions of requests per minute rise, shaping how ads are selected and delivered inside AI experiences.

You’ll own critical pieces: the decisioning pipeline, publisher SDK integration, and delivery controls, with high equity and competitive compensation. Join a fast-moving team building contextually relevant ads for AI apps.