Senior Data Scientist - Optimisation

TN United Kingdom; London; Hybrid; GBP 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a Senior Data Scientist to join their dynamic team in London. This role focuses on developing and implementing optimization models to solve complex business challenges, enhancing the company's capabilities in data-driven decision-making. You will lead projects from inception to production, collaborating with cross-functional teams to deliver innovative solutions. With a strong emphasis on teamwork and inclusivity, this opportunity offers a competitive salary, generous benefits, and the chance to make a significant impact in the world of data science.

Benefits

Competitive salary

Up to 20% bonus

25 days holiday

Pension scheme

Life insurance

Staff travel benefits

Qualifications

• Strong programming skills in Python and SQL.
• Knowledge of optimization techniques and data science methodologies.

Responsibilities

• Lead delivery of optimization algorithms and mathematical models.
• Collaborate with data science teams to enhance capabilities.

Skills

Python

SQL

Linear Programming

Integer Programming

Constraint Programming

Machine Learning

Data Visualization

Education

Degree in Data Science or related field

MSc in a relevant field

Tools

Data Science Toolbox

Big Data Technologies

Job description

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Client:

easyJet

Location:

London, United Kingdom

Job Category:

Other

EU work permit required:

Yes

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Job Reference:

bd758da3895e

Job Views:

5

Posted:

05.05.2025

Expiry Date:

19.06.2025

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Job Description:

Senior Data Scientist Optimisation
Luton/Hybrid

THE TEAM

The data science team is seeking a Senior Data Scientist/Operational Researcher to join our team. The ideal candidate will have a strong background in data science, ideally in Network & Scheduling. Responsibilities include developing and implementing optimization models, analyzing data to identify innovation opportunities, and collaborating with cross-functional teams to deliver the models we build.

This role is part of the Data Science team responsible for developing new prediction, simulation, optimization, and AI capabilities to transform easyJet into the world’s most data-driven airline. The team is closely integrated with Data Analytics, Data Management, and IT teams, working on multiple transformation projects across the company.

This role reports to a Lead Data Scientist.

Job Purpose

The Senior Data Scientist will be responsible for:

• Leading the delivery of optimization algorithms and mathematical models that solve complex business problems with minimal support from senior team members.
• Collaborating with the data science and analytics teams to enhance optimization capabilities and communicating complex concepts to non-technical stakeholders.
• Participating in most of the Data Science Project Lifecycle using the Data Science Toolbox.

Management and Specialist Tracks

• Line managing junior team members with support from senior leadership.
• Developing a broad area of specialization, such as Network & Scheduling, and becoming a trusted expert.

Job Accountabilities

• Contributing to the Data Science Project Lifecycle from idea to production.
• Building, validating, and managing models and algorithms.
• Defining and using KPIs and diagnostics to measure performance.
• Monitoring data quality to ensure analysis confidence.
• Following Agile methodologies and hypothesis-driven approaches.
• Participating in hiring and team building.

Technical Skills Required

• Strong programming skills in Python, SQL, and a compute-optimized language.
• Knowledge of optimization techniques like Linear, Integer, and Constraint Programming.
• Understanding of both exact and heuristic optimization methods.
• Knowledge of the Data Science Toolbox including programming, data ingestion, visualization, machine learning, optimization, and big data technologies.
• A degree or MSc in a relevant field or equivalent experience.

Benefits

• Competitive salary and up to 20% bonus.
• 25 days holiday, pension scheme, life insurance, staff travel benefits, and more.

About easyJet

easyJet aims to make low-cost travel easy, connecting people across Europe with great fares and friendly service. We value teamwork, positivity, and inclusivity, and are committed to diversity and equal opportunity.

Application Process

Apply via our careers site. We support diversity and provide reasonable adjustments during the interview process.

Business Area

Information Technology (IT)

Primary Location

London, Luton Airport, UK

Organization

Information Technology (IT)

Schedule

Full-time

Unposting Date

Ongoing