101 to 115 of 115 Permanent Lead Data Scientist Jobs

Senior Data Scientist - Travel Analytics & ML Leader

Location
Leeds, England, United Kingdom
Jet2.com Limited is seeking an experienced Senior Data Scientist to join its Data Science team in the UK. You will deliver high-impact data science initiatives and collaborate with colleagues across marketing, pricing, customer insights and operations to optimise business processes. You will apply … statistical modelling, explain results to stakeholders, and drive data-driven decision making while keeping up to date with evolving technologies and governance requirements. #J-18808-Ljbffr ...

Senior Data Scientist - Impactful AI & Analytics Leader

Location
Greater London, England, United Kingdom
Haleon plc. seeks a senior data scientist to join the Global AI & Data Science team in London. You will build ML models for marketing, commercial and digital, and work with data engineers and ML engineers to deliver high-impact data-driven solutions. You will deploy ...

Senior Data Scientist - Travel Personalization & ML Leader (Hybrid)

Location
England, United Kingdom
Travel Corporation is seeking a skilled data scientist to turn complex analytics into actionable business insights. You will work with rich customer, booking and marketing data to build predictive models and optimise commercial outcomes. You will lead experimentation, design robust measurement plans and collaborate with data ...

Lead Data Scientist - Public Sector (security cleared)

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Join us and be part of something bigger. J OB P ROFILE DESCRIPTION Kainos is recognised as one of the UKs leading AI and data businesses, with a decade-longtrack recordof delivering impactful, production-grade AI solutions for clients across government, healthcare,defence,and commercial sectors. Kainos … leadership for your team as you solve challenging problems together. M INIMUM ( ESSENTIAL ) REQUIREMENTS : A minimum of a 2.1 degree in Computer Science, AI, Data Science, Statistics or in a similar quantitative field. Have a deep understandingand developingof AI/ML models, including time series, supervised/unsupervised learning ...

Senior/Lead Data Scientist -Fraud

Hiring Organisation
Klarna
Location
London, United Kingdom
Salary
£ 80 K
timePosted: 2026-06-29What you will do We are rebuilding our fraud detection systems from the ground up, and we are looking for data scientists who want the full mandate to do it right, from raw data to production model, at a scale that affects hundreds … demanding problem spaces at Klarna. You will build best-in-class machine learning systems from the ground up, owning the complete pipeline from raw data through feature engineering, model design, training, and real-time production deployment. A central part of this role is converting some of Klarna's existing ...

Lead Data Scientist - Credit Risk Modeling

Hiring Organisation
Klarna
Location
London, United Kingdom
Salary
£ 80 K
building a foundation model that turns that sequence into a single, reusable representation of the customer — a transformer trained specifically on Klarna's own data, built in-house rather than adapted from an existing public model, because the patterns it needs to learn don't show up in general … features, deciding on vocabulary size, sequence length, and how information compounds across a sequence. You'll own the model lifecycle end to end, from data preparation and training through to serving it in production. You'll translate research decisions — architecture choices, tokenisation trade-offs — into production systems that ...

Senior Data Scientist: National Security AI Leader

Location
Cheltenham, England, United Kingdom
Alan Turing Institute is seeking an experienced Data Scientist to apply AI, machine learning and advanced analytics to national security challenges. You will work with a cross-disciplinary team, lead on technical projects and engage with senior stakeholders across the Institute and with partners. Eligibility ...

Lead Data Scientist - Treasury Markets Quant

Hiring Organisation
Wise
Location
London, United Kingdom
Salary
£ 70 K
world's money.For everyone, everywhere.More about our mission and what we offer.Job DescriptionWe are seeking a talented quantitative developer to join our Treasury Markets Data Science team. This role focuses on owning and operating the production infrastructure behind our FX pricing, risk, and trading systems with the opportunity … aspects.Your work will have a direct impact on Wise’s mission and millions of our customers.About the Role: You'll join the Treasury Markets Data Science team, owning the quantitative infrastructure that powers how Wise manages FX risk across a USD 250bn+ in annual FX volume- serving everyone from ...

Lead Data Scientist - London

Hiring Organisation
Revoco
Location
London, United Kingdom
Salary
£ 60 K
1406Location: LondonDiscipline: BI AnalystContact: hello@revoco-talent.co.uk | 0117 440 7810 The role is actually titled as a "Lead", that is due to owning your particular workstream, so you can put your own stamp on things, it is not leading a team however. It can suit people with as little … close to London bridge. (Some weeks may be one day) You 'll be working on some really interesting initiatives and have the below responsibilities ➡️Lead the delivery of analytical and machine learning workstreams, ensuring models and outputs are robust, repeatable, and aligned with business needs. ➡️Collaborate with subject matter ...

Lead Data Scientist - Public Sector (security cleared)

Hiring Organisation
Hackajob Ltd
Location
City, Belfast, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with Kainos to hire for this role. Join Kainos and Shape the Future At Kainos, were problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether ...

Senior Data Scientist & Technical Lead – Production ML

Location
Metropolitan Borough of Solihull, England, United Kingdom
Gymshark is seeking a senior data science technical lead to guide modelling approaches and solution design across multiple initiatives. You will work closely with stakeholders to translate priority use cases into production-ready ML solutions, providing hands-on leadership through problem framing, deployment, and optimization. You will embed … technical standards for experimentation, validation, and reproducibility, review designs, and mentor data scientists on complex challenges, ensuring #J-18808-Ljbffr ...

Lead Statistician / Lead Statistical Data Scientist

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
vision is to be the source of truth in global supply chains. Through our proprietary methodology, our mission is to harness cutting edge science, data, and spec click apply for full job details ...

Lead Underwriting Data Scientist | Portfolio Analytics | InsurTech | Up to £105k + bonus

Hiring Organisation
Skillful
Location
London Area, United Kingdom
Official Role Title: Lead Portfolio Analyst 📌 Location: London or Hampshire (2 days a week in-office) 📌 Salary: £80k - £105k + 10% bonus Who are they? A well-backed InsurTech leading the UK short-term motor insurance market, one hour to one month cover, at serious volume. They feel like … risk signals at point of quote Working with the panel of underwriters to improve how they assess and select risk Exploring non-traditional data sources to sharpen underwriting decisions Getting models into production so they're shaping live underwriting decisions every day Helping junior analysts develop their thinking ...

Lead Underwriting Data Scientist – Portfolio Analytics

Location
Greater London, England, United Kingdom
split time between heads-down analysis and leading projects, helping shape live decisions on quotes and policies. Your background in underwriting analytics, pricing, or data science will be crucial. Proficiency in Python or R and SQL is required, with GBMs and fraud analytics as strong assets. #J-18808-Ljbffr ...

Principal Data Scientist - AI, MLOps & GenAI Lead

Hiring Organisation
Hackajob Ltd
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hackajob is partnering directly with Rentokil Initial to hire for this role. As part of our Group AI Team, we are scaling our internal capabilities to deliver cutting-edge, production-grade AI solutions across our ...