Mercor
Software Engineer, Applied AI - Frontier Engineering (NYC)
$160K–$500K
New York City · On-site · Full-time · Posted Sep 4, 2026
About the job
Build and operate production systems connecting frontier AI research with data delivery, including post-training pipelines, synthetic data, and model evaluation solutions.
What you'll do
- Partner with frontier AI labs and customers to understand data, post-training, and evaluation needs.
- Build scalable data pipelines and systems for synthetic data generation and data quality.
- Prototype data types, benchmarks, and evaluation frameworks; lead technical discussions with customers.
What they ask for
- Strong backend engineering fundamentals in a modern language such as Python, Go, or Rust.
- Experience with model training and inference.
- Strong grounding in statistical analysis and experimental design for measuring model performance and improvements.
- Familiarity with evaluation methods for large language models.
Pay
$160K – $500K USD total pay
Tools
Python, Go, Rust
AI focus
Build infrastructure and data workflows for frontier AI post-training, synthetic data generation, and model evaluation.
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