Senior Data Scientist

Job Description - Senior Data Scientist (16236)

Job Description

Senior Data Scientist ( 16236 )

Description

Senior Data Scientist
Luton/Hybrid

COMPANY
When it comes to innovation and achievement there are few organisations with a better track record. Join us and you’ll be able to play a big part in the success of our highly successful, fast-paced business that opens up Europe so people can exercise their get-up-and-go. With over 300 aircraft flying over 800 routes to more than 30 countries, we’re the UK’s largest airline, the second largest in Europe and the tenth largest in the world. Flying over 80 million passengers a year, we employ over 13,000 people. Its big-scale stuff and we’re still growing.

Team
The Data Science Centre of Enablement (CoE) are seeking a Senior Data Scientist to join our team. The ideal candidate will have a strong background in data science & AI. Responsibilities include developing and updating Data Science training, establishing best practices and standards for data science & AI, supporting business functions with model development, and collaborating with stakeholders to drive innovation in data science and AI across the organisation.

The Data Science CoE team is an integral part of the wider Data Analytics & Integration team, which also includes Data Analytics and Data Management teams, and is closely integrated with the IT team, especially in areas of Demand Management, Data Engineering and Service Delivery. The team works closely with a growing number of internal stakeholders across easyJet on multiple transformation projects. The team also works in partnership with a select few external stakeholders who augment our capabilities such as Algorithm support.

This role reports into Head of Data Science.

JOB PURPOSE

The Senior Data Scientist will be responsible for:
• Developing Data Science training ensuring that we skill up resources across the business, and they are also up to date with the latest methodologies, best practices, and algorithms.
• Developing Data Science best practice. Establishing the technical standards and guidelines for best practices in data science, ensuring consistency and high quality in data science projects across the organisation.
• Providing data science development support for business functions. This includes building, validating and managing intermediate prediction, simulation, optimisation, reinforcement learning, Generative and agentic AI models.
• Developing initiatives using innovative data science techniques to foster innovation within the Centre of Enablement by collaborating with external innovation partners and integrating new technologies and methodologies.
• Participating in the majority of the Data Science Project Lifecycle utilising knowledge of the Data Science Toolbox

JOB ACCOUNTABILITIES

• Contribute to hiring and building a great pool of Data Scientists for your team
• Act as a valued and trusted expert in your area of specialism within the Data Science community.
• Guide and mentor colleagues in the Data Science team to enhance their technical expertise
• Apply Agile methodologies and the hypothesis-driven approach when it is required
• Work alongside the Data Management team to enhance data quality, thereby increasing trust in the data utilised for analysis.
• Contribute to the majority of the Data Science Project Lifecycle from idea to production
• Build, validate and manage intermediate prediction, simulation, optimisation models and algorithms
• Work with senior team members to define and use the key performance indicators (KPIs) and diagnostics to measure performance against business goals
• Deliver training sessions for the Data Science community in your specialist area

Requirements of the Role

TECHNICAL SKILLS REQUIRED

• Have very strong programming skills in Python, SQL and PySpark
• Intermediate Knowledge of the Data Science Toolbox (i.e. the fundamentals of Mathematics and Statistics, computer programming, Data Ingestion, Data Munging, Data visualisation, Machine Learning, Optimisation, Simulation, Reinforcement Learning and Big Data techniques and technologies)
• A good analytical background, with a degree or MSc in a scientific/engineering field (Statistics, Maths, Computer Science, Engineering, Physical Sciences) or equivalent commercial experience
• Strong understanding of model development, including training, fine-tuning, and lifecycle management.

TECHNICAL SKILLS DESIRED
• Experience creating and maintaining generative and agentic AI models
• Have strong programming skills in one compute-optimised language
• Have an intermediate knowledge of optimisation techniques such as Linear Programming, Integer Programming, Mixed-Integer Programming, Constraint Programming
• Have knowledge of both exact methods as well as (meta)heuristic methods of optimization
• Familiar with optimisation platforms/packages (Gurobi, ORTools CPLEX, PuLP or similar)

What we offer

About easyJet

At easyJet our aim is to make low-cost travel easy – connecting people to what they value using Europe’s best airline network, great value fares, and friendly service.
It takes a real team effort to carry over 90 million passengers a year across 35 countries. Whether you’re working as part of our front-line operations or in our corporate functions, you’ll find people that are positive, inclusive, ready to take on a challenge, and that have your back. We call that our ‘Orange Spirit’, and we hope you’ll share that too.

Reasonable Adjustments

At easyJet, we are dedicated to fostering an inclusive workplace that reflects the diverse customers we serve across Europe. We welcome candidates from all backgrounds. If you require specific adjustments or support during the application or recruitment process, such as extra time for assessments or accessible interview locations, please contact us at . We are committed to providing reasonable adjustments throughout the recruitment process to ensure accessibility and accommodation

Apply

Complete your application on our careers site.
We encourage individuality, empower our people to seize the initiative, and never stop learning. We see people first and foremost for their performance and potential and we are committed to building a diverse and inclusive organisation that supports the needs of all.
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