Lead Applied Scientist

🔒 Confidential Employer
Posted 28 April 2026
LOCATION
London
TYPE
Full-time
LEVEL
Director
SALARY
£316,000 / year
CATEGORY
Financial Services
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Computer Science Machine Learning GenAI systems IR NLP RAG architectures agentic frameworks MLOps practices

FULL DESCRIPTION

Lead Applied Scientist

Company: [Employer hidden — view at passion-project.co.uk]

Location: London

Salary: $170,000 - $316,000 per year

Work Type: Hybrid

Job Type: Full-time

Experience Level: Director

About the Role

As a Lead Applied Scientist, you will define research strategy and lead high-impact initiatives that shape [Employer hidden]' AI/ML roadmap across multiple product features. You will drive innovation in specialized domains such as legal reasoning, document understanding, or knowledge graphs, establishing best practices and technical vision. You will provide thought leadership internally and externally, mentoring scientists across Labs and leading stakeholder engagement. You will develop a deep understanding of customer problems and the data that informs them.

Who you are

  • PhD or Master's degree with equivalent industry experience in Computer Science, Machine Learning, or related field
  • 7+ years of hands-on experience building production IR, NLP, ML, or GenAI systems leveraging modern techniques
  • Demonstrated experience leading through others in cross-functional teams to deliver end-to-end AI capabilities
  • Strong product mindset with ability to translate complex customer problems into successful AI applications
  • Proven ability to demonstrate novel methods that influence product roadmaps and business outcomes
  • Outstanding communication and analytical skills
  • Deep expertise in RAG architectures, agentic frameworks, tool-using systems, and evaluation methodologies
  • Significant experience developing novel methods for complex professional domains such as medical, tax, or law
  • Publications at top-tier venues (ACL, EMNLP, NAACL, NeurIPS, ICLR, SIGIR, KDD)
  • Experience delivering production code with well-managed software/MLOps practices

Application Process

End Date: May 1, 2026

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