Mathematician

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Job Description

Title: Principal/ Lead Mathematician

Rate: £450-£550 Outside IR35

Contract duration: 3 months (Initially)

Start date: Immediately!

We're partnering with a highly technical, early-stage organisation building a next-generation, AI-driven decision platform. They're looking for a Principal / Lead Mathematician to own the mathematical foundation that underpins the entire system.

This is a rare opportunity to sit at the heart of product design - translating human problem-solving processes into rigorous mathematical, algorithmic and optimisation models that power summarisation, semantic search, and decision-support workflows.

You'll lead the design and validation of core algorithms, working closely with Data Scientists and Engineers to embed mathematically sound models into a modular, cloud-native platform.

What you'll be doing

  • Designing end-to-end mathematical models that translate real-world workflows into executable system logic
  • Applying algebraic modelling, graph theory, optimisation and statistics to complex, unstructured data problems
  • Prototyping and validating algorithms in Python and MATLAB
  • Shaping the mathematical backbone of vector search, intent extraction and LLM-driven workflows
  • Producing clear, auditable documentation in LaTeX and Jupyter
  • Acting as the mathematical authority across the platform and mentoring others where needed

What we're looking for

  • Strong background in applied mathematics, operations research or optimisation
  • Proven experience with graph-based models, algorithm design and probabilistic methods
  • Comfortable working alongside Data Science and Engineering teams
  • Ability to translate abstract, human-led processes into formal mathematical representations
  • Experience supporting AI / ML-driven systems (theoretical or applied)

This role suits someone who enjoys owning complex problems from first principles, shaping both the theory and its real-world application in a cutting-edge technical environment.

If you're interested in this role or know someone who would be, then please apply with an updated CV and reach out to a. methula@ioassociates. co.uk


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Location:
London
Job Type:
FullTime
Category:
Science

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