Senior Machine Learning Engineer

Staff Machine Learning Engineer – NLP / Search / LLMs

London (Hybrid – 2 days onsite)

£90,000 – £110,000 + Equity

I'm working with an AI-first technology platform transforming how complex intellectual property research is done using LLMs, NLP and advanced search systems.

They were early adopters of Large Language Models and are now building agentic AI workflows that can autonomously answer complex research questions.

They're looking for a Staff ML Engineer to help scale their NLP and search capabilities.

What you'll be doing

• Improving search quality (precision & recall) across large datasets

• Designing LLM-powered workflows and agentic systems

• Building ML models and NLP pipelines for production use

• Working with large-scale search infrastructure (Elasticsearch/OpenSearch)

• Collaborating with engineers and data scientists to evolve the ML platform

This is a hands-on engineering role with significant impact on the product and ML direction.

What they're looking for

• Strong Python experience

• Commercial Machine Learning / NLP experience

• Experience with TensorFlow or PyTorch

• Experience with search technologies (Elasticsearch, OpenSearch, etc.)

• Experience building production ML systems

Experience with LLMs or large-scale search systems would be a bonus.

Package

• £90,000 – £110,000 salary

• Stock option plan

• 25 days holiday

• Pension

• Flexible working

• Ongoing learning & development

If you're interested, apply or message me directly and I can share more details.