Signal AI is hiring a Senior Senior NLP Engineer — media intelligence on the NLP platform team (Hybrid · London, United Kingdom). This is a hands-on role in LLM & generative AI—not a generic “AI enthusiast” post.
You will own LLM features, retrieval, agents, and evaluation end to end: problem framing, offline evaluation, safe rollout, and iteration from production signals. Success is measured with clear metrics (quality, latency, cost, or business KPIs)—not slide decks alone.
Signal AI monitors global news and regulatory sources for enterprise comms and risk teams.
Senior NLP Engineer: entity linking, event detection, and LLM-assisted summarisation across 100+ languages.
Hybrid London — work with domain experts to keep models aligned with geopolitical and ESG narratives.
What you will do
- Train and deploy classifiers for topics, entities, and sentiment at news scale.
- Integrate LLM summarisation with human editorial QA workflows.
- Improve data labelling efficiency with active learning loops.
- Maintain SLAs for near-real-time ingestion pipelines.
Stack & environment
- Python, PyTorch, Spark, SQL warehouses.
- Hybrid Finsbury Avenue office.
What we look for
- NLP at scale (millions of documents/day).
- Experience with multilingual or low-resource language challenges.
- Clear communication for PM and analyst stakeholders.