Applied AI Scientist/Researcher (Senior/Staff) - VC Backed Startups

SignalFire partners with top early-stage startups that are shaping the future of technology, and they are seeking exceptional Senior and Staff Applied AI Scientists and Researchers. The role involves developing advanced AI capabilities, solving complex technical problems, and translating emerging research into differentiated products.

Responsibilities:

• Research, develop, and evaluate machine learning methods that improve product capabilities and customer outcomes
• Design experiments to test new model architectures, training approaches, data strategies, and system designs
• Adapt foundation models through fine-tuning, post-training, prompt optimization, retrieval, or other techniques
• Develop evaluation frameworks and benchmarks for model quality, reliability, safety, and performance
• Build prototypes and proofs of concept that demonstrate the potential of emerging AI techniques
• Partner with AI/ML engineers and software engineers to translate successful experiments into production systems
• Improve model accuracy, reasoning, latency, efficiency, robustness, and cost
• Curate, generate, and evaluate datasets used for training, fine-tuning, and model assessment
• Investigate model failures, edge cases, and unexpected behavior to identify opportunities for improvement
• Stay current with relevant research and determine which advances can create practical product value
• Communicate findings, tradeoffs, and technical recommendations to product, engineering, and executive stakeholders
• Mentor other scientists and contribute to the company’s research culture, technical standards, and AI roadmap
• Publish research, contribute to open-source projects, or represent the company within the broader technical community where appropriate