Senior Software Engineer (AI)

TL;DR

Senior Software Engineer (AI): Building and optimizing distributed training infrastructure and scalable pipelines for large-scale foundation models with an accent on GPU utilization, training performance, and model adaptation. Focus on designing and implementing efficient training systems, collaborating cross-functionally, and advancing scalable AI model training technology.

Company

hirify.global powers inference for leading AI companies by uniting applied AI research, flexible infrastructure, and developer tooling, backed by $150M Series D funding.

What you will do

• Design, build, and maintain distributed training infrastructure for foundation models
• Implement scalable pipelines for fine-tuning and training on heterogeneous GPU clusters
• Optimize training performance using advanced techniques like FSDP, DDP, ZeRO, and mixed precision
• Develop frameworks and tooling to improve training workflow efficiency and reproducibility
• Collaborate with product and infrastructure teams to meet customer needs
• Research and productionize emerging training efficiency techniques

Requirements

• Must have 5+ years experience in ML infrastructure or distributed systems, including 2+ years in tech lead or manager role
• Strong expertise in distributed training frameworks and GPU utilization
• Bachelor’s degree or equivalent experience in Computer Science or related field
• Excellent communication skills bridging technical and business needs
• Location: San Francisco or New York

Nice to have

• Experience building APIs, SDKs, or developer tools for ML workflows
• Familiarity with cluster management and scheduling tools
• Knowledge of parameter-efficient fine-tuning methods and evaluation pipelines
• Open-source contributions in distributed training or ML infrastructure
• Experience with cloud environments and container orchestration

Culture & Benefits

• Competitive compensation with meaningful equity
• Full medical, dental, and vision insurance coverage
• Generous PTO including company-wide Winter Break
• Paid parental leave and 401(k) plan
• Exposure to diverse ML startups and networking opportunities