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Higher - AI recruitment

Machine Learning Engineer

Hybrid

London, United kingdom

Mid level

Full Time

19-01-2026

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Skills

Communication Python TypeScript Decision-making Research Training Coaching Machine Learning Computer Vision react FastAPI OpenAI NLP

Job Specifications

We are partnering with an early-stage, mission-driven company at the intersection of AI and national defence to appoint exceptional Machine Learning Engineers.

This fast-growing organisation is transforming mission-critical combat planning and operational decision-making by building next-generation AI software tools for Western forces.

Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learning technologies.

Position location (hybrid): London (Shoreditch) or Paris (Le Marais)

We are seeking Machine Learning Engineers who are passionate about using AI technology to solve complex, real-world problems with meaningful societal impact. You will be joining a highly collaborative and talented team that is revolutionising how operational planning is conducted at scale and speed.

Primary Responsibilities:

Shape the company’s AI trajectory by developing AI solutions to solve high-stakes problems
Collaborate closely with military experts, along with the product team, to identify and capitalise on high-impact opportunities
Keep the company at the forefront of innovation by exploring and applying the latest research

Requirements:

MSc in Machine Learning, Computer Science, or a related field
5+ years of experience in machine learning, with an expertise in modelling, prototyping, and evaluation
Strong software engineering skills with a focus velocity
Excellent communication skills and the ability to flourish in a team
Located in London/Paris and open to working in office

Tech Stack:

Python FastAPI
Python, Typescript, or React
Open source LLMs
Building for production

Benefits Currently Offered (likely to improve as company grows):

100% coverage for travel expenses
Childcare support
Min. 3 months fully paid parental leave
25 days holiday + bonus days for company closure
Subsidised lunches in office
Gym membership
Private medical insurance
Subsidised coaching/training
Work-from-home allowance to cover office equipment, desk, chair, monitor etc.
Fertility support benefits, including financial support for IVF
Menstrual leave/congé menstruel
Company off-sites twice per year

Interview process:

Introductory interview – 45 mins
Live coding task – 45 mins
On-site interviews + meet the team – half day
Final interview with CEO – 30 mins

***This company is not currently offering sponsorship to foreign candidates. If you are not able to live and work in either Paris or London without sponsorship, please do not apply***

About the Company

Higher is a specialist executive search firm with over 10 years' experience in data science and AI recruitment. We work with some of the world's most innovative companies, connecting ambitious start-ups and scale-ups with elite candidates that other recruiters can't reach. Shortcuts and quick wins aren't our style. Whether you are hiring or looking for your next career move, we are your trusted recruitment advisors in the AI and data space. Know more