Data Scientist - Global Investment Firm
Harnham is looking for a Data Scientist - Global Investment Firm
Job description
Do you want to build AI and data science solutions that directly influence high-value business decisions?
Have you taken models from exploration through to production in real environments?
Are you ready to work in a small, high-impact team with real ownership and autonomy?
This organisation is a global investment firm operating at the intersection of technology, data, and decision-making. They have built an internal data and technology function to support deal sourcing, due diligence, and portfolio insights, using modern data science and emerging LLM/NLP techniques. The team works closely with senior stakeholders and operates like a lean product and research group within a fast-paced commercial environment.
They are hiring a Data Scientist (2+ years of experience) to join their London team. This role offers exposure across research, production deployment, and short-form analytical projects, with genuine end-to-end ownership rather than narrow modelling work.
Role summary
You will work as a generalist Data Scientist, combining strong classical data science foundations with solid Python engineering and familiarity with modern ML/LLM tooling. The role is hands-on and delivery-focused, with opportunities to ship work into production and iterate quickly.
Key responsibilities
- Build and prototype data science and NLP/LLM solutions
- Take models from exploration to production deployment
- Work across multiple projects supporting commercial decision-making
- Collaborate closely with engineers and non-technical stakeholders
- Maintain high coding standards and clear technical communication
Key details
- Salary: £60,000–£70,000 base + 10% bonus
- Location: Central London (Bond Street)
- Working model: 4 days per week in the office (Mon–Thu)
- Tech stack: Python, classical DS, cloud (GCP preferred; AWS/Azure acceptable), LLM/NLP tooling
- Visa sponsorship: Not available
Interested? Please apply below.
Extra information
- Status
- Open
- Education Level
- Secondary School
- Location
- City of London
- Type of Contract
- Full-time jobs
- Published at
- 30-01-2026
- Profession type
- Accountancy
- Full UK/EU driving license preferred
- No
- Car Preferred
- No
- Must be eligible to work in the EU
- No
- Cover Letter Required
- No
- Languages
- English
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