Backend Software Engineer (ML Infra)Rockstar • San Francisco, California, United States

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Backend Software Engineer (ML Infra)

Rockstar

San Francisco, California, United States

San Francisco, California, United States

Jetzt Bewerben

Über

Rockstar is recruiting for a mobile-first digital product studio that turns ideas into extraordinary experiences. They are a team of dynamic and savvy professionals who know how to create killer digital products. Our lean structure and remote team mean we can move fast while still delivering top-notch technology and design. Our client is building the AI backbone for the next generation of intelligent products. They help fast-growing AI startups design, fine-tune, evaluate, deploy, and maintain specialized models across text, vision, and embeddings. Think of them as “AWS for AI models”—not data or raw compute, but a full-stack backend for fine-tuning, reinforcement learning, inference, and long-term model maintenance. Their customers are Series A–C AI companies building enterprise-grade products. Their promise is simple: they make your AI system better. They are hiring a Backend Software Engineer (ML Infrastructure) to help design, build, and scale the core systems that power large-scale model training and deployment. The candidate will work on distributed training pipelines, cloud-native infrastructure, and internal developer platforms that support fine-tuning, reinforcement learning, and inference at scale. This role sits at the intersection of backend engineering and ML systems—the candidate will collaborate closely with ML engineers while owning production-grade infrastructure. This is an ideal role for an early-career engineer who wants to work on real distributed systems, GPU workloads, and modern ML infrastructure—not dashboards or CRUD apps. What You’ll Do Build & Scale Core Infrastructure
Design and implement backend systems that support large-scale ML workloads, including fine-tuning and reinforcement learning. Build distributed training and inference pipelines that are efficient, fault-tolerant, and observable. Develop internal developer tools and platforms that make it easier for ML engineers to train, evaluate, and deploy models.
Cloud & Systems Engineering
Work on cloud-native systems using containers and orchestration (e.g., Kubernetes). Optimize systems for performance, reliability, and cost efficiency, especially for GPU-heavy workloads. Implement monitoring, logging, and observability for long-running training jobs and production services.
Collaborate with ML Engineers
Partner closely with ML engineers to support evolving model architectures, training workflows, and evaluation needs. Translate ML requirements into scalable backend and infrastructure solutions.
Who You Are Required
1–3 years of backend engineering experience, ideally working on production systems. Strong fundamentals in distributed systems, networking, and backend architecture. Experience building systems that scale under real load. Comfortable working in Python and/or Go (or similar backend languages). Excited to work on-site in San Francisco with a fast-moving early-stage team.
Strongly Preferred
Experience with or exposure to ML infrastructure or ML platforms. Familiarity with GPU workloads, training pipelines, or inference systems. Experience with containerization and orchestration (Docker, Kubernetes). Contributions to or deep familiarity with ML infrastructure libraries such as:
Ray vLLM SGLang or similar distributed ML systems
Bonus
Computer science background from a top-tier program or equivalent demonstrated excellence. Open-source contributions, research projects, or side projects in systems or ML infrastructure. A track record of high ownership and technical curiosity. #J-18808-Ljbffr

San Francisco, California, United States

Sprachkenntnisse

English

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