Head of Artificial Intelligence

4 days ago


London Area, United Kingdom numi Full time £120,000 - £240,000 per year

Head of AI - Leading AI Workforce Optimisation Platform

We're searching for a
Head of AI
to join a rapidly scaling technology company that's transforming a major service industry through advanced artificial intelligence, machine learning, and automation.

The company is evolving from operating one of the largest flexible work marketplaces into a full
AI-driven workforce management ecosystem
. This leadership role is pivotal in defining the AI vision, scaling complex systems, and embedding intelligence across every business function.

Why Join – Scale, Impact, and Unparalleled Data

This is a high-intensity, high-reward environment backed by substantial long-term investment and focused on solving complex, real-world problems at scale.

Financial Strength:

Backed by a single family office investor with
$40M+ invested
to date, providing financial stability and long-term runway.

SaaS Momentum:

A new SaaS product launched within the last year has already generated
over $1M in ARR
, with targets to grow 10x in the next 12 months.

Marketplace Scale:

The platform manages hundreds of thousands of active workers and over half a million registered users, with tens of thousands more on the waitlist.

Data Footprint:

Access to rich proprietary datasets from
4,000+ high-volume client sites
, with millions of 15-minute transactional data points and years of historical data.

Team Structure:

A lean, high-performing team of
around 45 people
, including a
15-person engineering group
and a
6-person data team
.

Tech Stack:

Modern technologies across
Python, Django, GoLang
, and
Flutter/Dart
, built on a scalable
AWS infrastructure
.

Culture and Environment

  • Transparency and Meritocracy:
    A flat, non-bureaucratic structure with high transparency — including open sharing of financials and monthly board updates.
  • Mission-Driven:
    Intense, ambitious, and united by the mission of revolutionising workforce optimisation through AI.
  • AI Focus:
    Work on advanced, real-world challenges spanning
    Generative AI, agentic tools, ML forecasting, and computer vision
    .
  • In-Office Collaboration:
    Office-first, four days per week
    , based in the heart of a major European capital.

Role & Responsibilities

  • Define and execute the
    strategic AI roadmap
    , embedding intelligence across product, operations, and growth.
  • Lead, mentor, and grow a world-class team of data scientists and ML engineers.
  • Architect and scale production-level ML systems for predictive analytics, labour optimisation, and real-time forecasting.
  • Build and refine AI infrastructure to enable fast experimentation and model deployment.
  • Research and apply emerging technologies — including
    reinforcement learning, agentic models, and multimodal systems
    .
  • Act as the company's senior AI voice, influencing both internal strategy and external partnerships.

Required Skills and Experience

  • Advanced technical degree (Master's or PhD preferred) in Computer Science, AI, Mathematics, or related fields.
  • 5+ years of experience
    in Data Science, AI, or ML, with a proven leadership track record.
  • End-to-end experience taking AI systems from research to production at scale.
  • Strong proficiency in
    Python
    and leading ML frameworks (
    PyTorch, TensorFlow
    ).
  • Engineering foundation with exposure to
    cloud-based ML infrastructure
    (AWS, SageMaker, Lambda, Glue, etc.).
  • Experience across multiple relevant domains such as forecasting, optimisation, or computer vision.

Compensation and Benefits

  • Competitive salary, aligned with seniority and experience.
  • Equity ownership
    in a well-funded, high-growth technology company.
  • Private medical insurance.
  • Gym membership, dog-friendly office, and fully catered environment with frequent team meals.


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