Machine Learning Engineer

Higher - AI recruitment
London, United Kingdom
8 months ago
Applications closed

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Machine Learning Engineer

Hexwired Recruitment Limited London, United Kingdom
£80,000 – £120,000 pa
Posted
25 Jan 2026 (8 months ago)

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:

  1. Introductory interview – 45 mins
  2. Live coding task – 45 mins
  3. On-site interviews + meet the team – half day
  4. 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***

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