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Senior Software Engineer, Machine Learning Infrastructure - Generative AI at DoorDash - ApplyBlast

Senior Software Engineer, Machine Learning Infrastructure - Generative AI

DoorDash

3 months ago

Remote

Full Time

Senior

5 applicants

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About this role

This senior role leads the design and architecture of DoorDash's GenAI platform, focusing on production infrastructure for open-weights large language models and vision models. The position owns real-time GPU serving, high-throughput batch inference, fine-tuning pipelines, and model gateways while driving cost and performance optimizations across ML and platform teams. It involves setting technical direction for emerging AI capabilities like reinforcement learning and agent optimization while mentoring engineers.

Responsibilities

Lead design of GenAI infrastructure from prototype to production
Own evolution of open-weights serving stack and fine-tuning pipelines
Architect scalable systems for model serving and GPU autoscaling
Optimize cost and latency for GPU inference and batch jobs
Mentor engineers and set technical direction for emerging AI techniques

Skills

Qualifications

BS, MS, or PhD in Computer Science6+ years of software engineering experience

About DoorDash

doordash.com

Headquarters

San Francisco, California, United States

Company Size

10001+ employees

Founded

2013

View Profile

DoorDash is a last‑mile logistics and on‑demand delivery platform that connects consumers with local restaurants, grocers, convenience stores, and other merchants through its marketplace and mobile apps. It operates consumer services (ordering and DashMart), a merchant toolkit for order management and analytics, a subscription service (DashPass), and DoorDash Drive for white‑label or large‑scale delivery. Deliveries are fulfilled by a network of independent drivers (“Dashers”) and optimized with routing and logistics technology across the U.S. and select international markets. The company positions itself as a technology partner for local commerce, helping merchants reach customers via flexible fulfillment and data-driven tools.