Data Scientist

IO Associates

South East London, London£104,000 – £130,000 / yearPermanentPosted 2 days ago

Job Description

IO Associates

South East

£400 - £500 per day

Permanent

NEW

Lead Data Scientist - Optimisation (Contract | Inside IR35)

Location: London / Midlands (Hybrid + occasional European travel) Rate: £500 per day (Inside IR35) A leading consultancy is delivering a major analytics transformation programme for a global transportation organisation. They are looking for a Lead Data Scientist with deep optimisation expertise to drive high-impact decisioning solutions. This is not a generic ML role. The focus is on advanced optimisation modelling applied to real-world operational problems at scale.

The Role

You will take ownership of complex optimisation initiatives, working closely with business, product, and engineering teams to design and deploy production-grade models.

Key responsibilities

Lead the design and implementation of optimisation models across multiple business domains
Translate complex operational challenges into mathematical frameworks

Build scalable, production-ready solutions end-to-end

Collaborate with cross-functional teams to influence decision-making

Communicate trade-offs and model outputs clearly to senior stakeholders

Provide technical leadership and mentor other data scientists

Ensure robustness, scalability, and performance of deployed models What You'll Bring (Essential)

Strong, hands-on experience building and deploying optimisation models in industry:

Linear Programming (LP)

Mixed Integer Programming (MIP)

Constraint optimisation

Network, scheduling, or resource optimisation

Proven track record applying optimisation to real business problems

Advanced Python skills with tools such as Pyomo, PuLP, OR-Tools, Gurobi, or CPLEX

Strong grounding in mathematics, statistics, and algorithms

Experience working with large, complex datasets and constraints

Ability to lead solution design and drive delivery Important: This role requires deep optimisation expertise. It is not suited to candidates focused primarily on machine learning models or dashboards.

Nice to Have

• Experience with simulation or scenario modelling • Ideally experience within aviation, airline, or closely related industries • Background in logistics, supply chain, pricing, or large-scale operations • Cloud deployment experience (AWS, Azure, or GCP) • Experience mentoring or leading teams Education • Master's degree or PhD in a quantitative field such as Operations Research, Data Science, Mathematics, Statistics, or Engineering Why Apply • High-impact work on large-scale, real-world optimisation problems • Opportunity to shape decision-making in a complex operational environment • Long-term programme with strong extension potential Stats for this job Salary comparison: This job National average IT Jobs average London average Salaries The number of jobs in each salary range for all: Receive

Key Details

Employment Type

Permanent

Required Skills

PythonAWSAzureGCPData ScienceMachine Learning

Job Summary

Company

IO Associates

Reviews

Location

South East London, London

Salary

£104,000 – £130,000 / year

Type

Permanent

Country

United Kingdom

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Data Scientist

Job Description

The Role

Key responsibilities

Nice to Have

Key Details

Required Skills

Job Summary

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