Artificial Intelligence Engineer
Stealth StartupWe are looking for an Applied AI Engineer to help design, train, and deploy production-grade AI models powering next-generation AI agents in financial workflows. This role focuses on fine-tuning, post-training optimization, and building reliable model pipelines using both open-source and proprietary data.
You will work closely with product, engineering, and domain experts to translate business problems into scalable AI systems.
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Key Responsibilities
Model Development & Training
- Fine-tune large language models and multimodal models for domain-specific use cases
- Design post-training pipelines (instruction tuning, RLHF, evaluation loops, etc.)
- Implement and optimize training workflows using open-source frameworks
- Experiment with model architecture improvements and hyperparameter optimization
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AI Agent & System Integration
- Build and improve AI agents capable of executing multi-step workflows
- Integrate models into production environments and product features
- Improve model reliability, accuracy, and robustness for high-stakes applications
- Develop evaluation and testing frameworks for model performance and edge cases
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Data & Experimentation
- Work with proprietary domain datasets to improve model specialization
- Design training datasets, labeling pipelines, and data quality frameworks
- Conduct ablation studies and performance benchmarking
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Cross-Functional Collaboration
- Partner with product teams to design AI-first product experiences
- Provide technical feasibility insights for roadmap and feature planning
- Collaborate with global engineering teams on implementation and scaling
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Required Qualifications
- 1–4 years of hands-on experience training or fine-tuning ML/AI models
- Experience working with LLM or multimodal model training pipelines
- Strong Python skills and familiarity with deep learning frameworks such as:
- PyTorch
- Hugging Face ecosystem
- Open-source training frameworks
- Experience deploying ML models into production systems
- Understanding of evaluation methodologies and model performance tradeoffs
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Preferred Qualifications
- Experience with post-training techniques such as:
- Instruction tuning
- RLHF / preference optimization
- Model distillation
- Experience building AI agent or workflow automation systems
- Familiarity with distributed training and GPU optimization
- Experience working with domain-specific data (finance, compliance, enterprise workflows, etc.)
- Background working in early-stage startups or research labs
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Nice to Have (Bonus Skills)
- Exposure to pre-training or large-scale model training environments
- Experience with retrieval-augmented generation (RAG)
- Experience designing evaluation benchmarks for enterprise AI applications
- Experience working with multi-agent systems or tool-use models
Requirements added by the job poster
- 1+ years of work experience with IT Integration
- 1+ years of work experience with Python (Programming Language)
- 1+ years of work experience with Benchmarking
Job Type
- Job Type
- Full Time
- Location
- Menlo Park, CA
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