Software Engineer II

Location London
Discipline: Technology
Job type: Contract
Salary: £71000 - £114000 per annum
Contact name: Ananya Chowdhury

Contact email: ananya@prinicplehr.com
Job ref: 36381
Published: 14 days ago
Startdate: ASAP

Research Engineer - Machine Learning & LLM Agents (Multiple Levels)

  • Contract: 6 Months (Extension Potential)

  • Salary: £71,000 - £114,000 depending on experience

  • Location: London (Hybrid - 3 days per week onsite, King's Cross)

We are partnering with one of the world's leading technology companies to hire 3 Research Engineers to join a globally recognised AI Research organisation working on next-generation Large Language Models and AI agents.

This is a rare opportunity to work alongside some of the world's leading AI researchers, helping build technologies that will shape the future of artificial intelligence.

We're hiring across multiple levels, making this an excellent opportunity for candidates ranging from early-career Research Engineers through to experienced Senior Research Engineers.

What you'll be working on

You'll join a highly collaborative research environment focused on building intelligent AI agents capable of solving complex problems at scale. Working closely with researchers and scientists, you'll help design, build and evaluate cutting-edge machine learning systems that directly influence future AI products.

Projects include:

  • Building autonomous AI agents

  • Large Language Model (LLM) systems

  • LLM post-training

  • Machine Learning infrastructure

  • AI experimentation at scale

  • Python and PyTorch development

  • Research tooling and automation

  • Large-scale experimentation with modern AI models

We're interested in people with experience in:

  • Python

  • PyTorch

  • Machine Learning

  • Large Language Models (LLMs)

  • Generative AI

  • AI Agents

  • Machine Learning Research

  • Deep Learning

  • Applied AI

  • Research Engineering

Ideal background

You may currently be working as a:

  • Research Engineer

  • Machine Learning Engineer

  • Applied Scientist

  • AI Engineer

  • Research Scientist with strong software engineering skills

We're particularly interested in candidates who enjoy solving difficult technical problems, can execute quickly, thrive in fast-moving environments and are passionate about advancing AI research.

Why apply?

  • Work on cutting-edge AI research

  • Collaborate with internationally recognised researchers

  • Join one of the world's most respected AI research organisations

  • Opportunity to contribute to technology that could redefine the future of AI

  • Hybrid working in Central London

  • Excellent contract rates with strong extension potential

If you have experience building machine learning systems, working with LLMs or developing AI agents, I'd love to hear from you. Wealso welcome applications from PhD students, MSc students, recent graduates and early-career researchers who have gained hands-on experience through academic research, internships, university projects or startups. Please apply directly on the link to be considered.