Senior AI Engineer, AI Lab
Core
Building and fine-tuning LLM-powered systems for editorial tone, style transfer, retrieval workflows, and multimodal audio generation to shape the future of journalism.
Role type
Senior IC machine-learning engineer (generative AI)
Builds
LLM-powered editorial tools, RAG pipelines, TTS prototypes, and internal demos for GenAI capabilities
Domain
Media & Information Services / Generative AI
Deliverable
production ML models | product features
Required skills
LLM fine-tuning (SFT, instruction tuning), RAG pipeline development, Python, LangChain, HuggingFace Transformers, data pipeline management (Pandas, DVC, W&B), generation quality evaluation (BLEU, ROUGE, custom metrics), STT/TTS prototyping
Preferred skills
Style/persona fine-tuning, LangSmith observability, voice synthesis/cloning, multi-modal generation, open-source LLM contributions
Technologies
OpenAI, Claude, Cohere, Gemini, Mistral, HuggingFace, ElevenLabs, Whisper, Bark, LangChain, Transformers, Pandas, DVC, Weights & Biases, LangSmith
Responsibilities
Fine-tune LLMs for editorial voice alignment; design and manage dataset curation and annotation workflows; build and evaluate RAG pipelines; prototype TTS pipelines for audio-first products; collaborate on internal tools and demos; own quality evaluation pipelines with human-in-the-loop feedback; partner with journalists to develop novel evaluation metrics
Seniority
Senior, hands-on IC