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Machine Learning Research Engineer

Understanding Recruitment
London
6 days ago
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Machine Learning Research Engineer


About Us

We’re Unitary, a fast-growing AI startup building Virtual Agents that combine deterministic code, LLM reasoning, and human expertise to automate complex operational workflows. Our technology powers trust & safety systems at scale, analysing millions of images and videos daily for enterprise customers.


Backed by Creandum and Plural, with over $25M raised, we’re scaling rapidly and shaping a future where AI can make safe, fair, and reliable decisions online.


The Role

We’re looking for a Machine Learning Research Engineer to pioneer how Virtual Agents are built, deployed, and scaled. You’ll design an “Agent Factory” — a system that can automatically generate agents from captured workflows, combining the speed of code with the reasoning power of AI.


Working closely with platform and ML teams, you’ll research, prototype, and productionise capabilities that let AI autonomously build reliable software workflows.


What You’ll Do

  • Design and build the Agent Factory to generate and deploy Virtual Agents
  • Develop code-generation and evaluation frameworks for workflow automation
  • Integrate LLM-based reasoning with deterministic Python systems
  • Benchmark and iterate on automation quality through experimentation
  • Collaborate with engineers and customer teams to deploy at scale
  • Contribute to Unitary’s ML research community and technical direction


About You

  • Expert in Python and experienced with LLMs, Agentic AI, or code-generation systems
  • Strong engineering fundamentals (software design, testing, DevOps, MLOps)
  • Curious and inventive — comfortable moving between research and implementation
  • Collaborative communicator who thrives in a small, fast-moving team

Bonus: experience with workflow orchestration (e.g., Temporal), browser automation (Playwright), CI/CD, Terraform, or scaling ML systems in production.


Why Unitary

  • Remote-first across Europe/North America
  • Competitive salary + equity
  • Flexible hours and generous parental/sick leave
  • Annual budgets for learning and wellbeing
  • 3 annual team off-sites in London or Europe


Join us to push the frontier of agentic automation — where AI learns to build and operate systems that make the internet safer.

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