326 to 349 of 349 Senior Data Scientist Jobs in the UK

easyJet is seeking a Principal Data Scientist in Optimisation Engineering to lead a cross-functional team delivering decision-support software for disruption management and crew rostering. You will translate complex operational problems into scalable solutions, guiding architecture, delivery, and reliability across services and data pipelines. The role ...

Capital One Europe is seeking a Lead Data Scientist/Deep Learning Practitioner to lead the development of proprietary deep learning models for underwriting. You will drive the use of multi‐modal data and advanced neural networks to improve predictive power and deliver actionable customer insights. ...

Mitra Bio Ltd in London seeks a Principal Data Scientist to drive precision biomarker projects in skin health, combining biology, bioinformatics and AI to identify novel biomarkers and build predictive models. You will collaborate with skincare and pharmaceutical partners, translate complex datasets into actionable insights, and present findings … through reports, publications and client discussions. This senior hands-on role requires independent project leadership from concept to delivery, with #J-18808-Ljbffr ...

Friend MTS is seeking a Lead Applied AI Data Scientist to drive production AI solutions and provide technical leadership. You will work directly with customers to understand complex challenges and mentor other data scientists, shaping the technical direction of our AI initiatives. The role focuses on building ...

Total Experience: 8+ years We’re specifically looking for professionals with: 2+ years of hands-on industry experience in Gen AI — beyond traditional Data Science, ML or Predictive Modelling At least 2 end-to-end Gen AI projects that they can explain in depth Strong experience with RAG, Embeddings ...

bet365 Group seeks a Lead Data Scientist to spearhead probabilistic models powering real-time betting markets in Manchester. You will build advanced pricing models for sports products and in-play decisions using state-of-the-art ML techniques. The role offers hybrid working within the Quantitative Analysis team ...

leading AI consultancy in Greater London is looking for a Principal Data Scientist to lead complex projects and mentor a talented team. The ideal candidate has a strong background in machine learning, particularly in Generative AI, and extensive experience within financial services. Responsibilities include serving as a technical ...

build production ML models that assess transaction risk and help merchants grow their businesses. You will design experiments, deploy models, and collaborate with data engineers to optimize decisioning strategies. The role emphasizes Python development, SQL proficiency, and experience with Spark/Databricks in a remote-first environment. It offers ...

hackajob is partnering directly with Raytheon UK to hire for this role. Date Posted: 2026-09-09 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Job Description This role is within the ...

relaytech.co is seeking a talented individual for an Operational Research role, responsible for translating operational needs into optimisation models. You will develop algorithms and work closely with engineering teams to automate solutions, driving efficiency across ...

Sedona Digital Ltd is seeking a Lead Data Scientist to lead enterprise‐scale AI, ML and analytics solutions. The role combines technical leadership, solution architecture, and hands‐on data science to transform business challenges into measurable outcomes through data and AI. You will set best practices … across the Data & AI lifecycle, architect modern data for AI platforms, design governance and metadata frameworks, and guide multidisciplinary teams delivering scalable analytical and AI #J-18808-Ljbffr ...

Talk to customers and align on success criteria and measurement Use raw, real-world data to form clear, actionable insights Optimise agent performance for each onboarded customer Own the optimisation flow from identifying opportunities through testing hypotheses, running experiments, delivering improvements, and demonstrating value Analyse data … scope independent initiatives Turn ad hoc analyses and findings into scalable self-service tooling for teammates and customers Requirements Significant data science experience at a lead/staff level Experience building robust data pipelines Fluency in SQL and Python Strong understanding of statistical methods Background working ...

across channels. The opportunity Become one of the top contributors to bring the new product vision live. Work end to end across metric design, data and modeling, experimentation, and product integration. What you’ll do Build components of new products that turn real customer signals into timely actions … impact; embed sound statistical practice; and turn results into simple, trusted narratives that guide product and commercial decisions. Productionize and scale thoughtfully: ship durable data and model workflows in collaboration with the engineering team, ensure quality and monitoring, and document decisions so the system is reliable, explainable, and easy ...

here at Zopa, so join us, and make it count. Want to see us in action? Follow us on Instagram @zopalife The team Our Data Science team helps Zopa make better credit decisions. We partner closely with Credit Strategy, Product and Engineering to turn ambiguous business problems into robust … models, clear analysis and practical solutions. We are growing a dedicated, product-facing data science capability focused predominantly on credit. The team will help rebuild and expand the models that support consumer-credit decisions, while increasing the sophistication of how we model risk, value and outcomes. This ...

Serve as Vortexa’s subject-matter authority for data science Design, implement and deploy advanced AI/ML methodologies and production-grade systems Define success for frontier problems without obvious baselines or established benchmarks Improve live predictions in collaboration with production-owning pods Own substantial projects … through long-term maintenance Identify emerging approaches, formulate hypotheses, design rigorous experiments and evaluate new techniques Translate research into practical real-world solutions Build Data Science capability through technical review, pairing, mentoring and setting working standards Lead the Data Science Guild by setting its technical agenda and facilitating ...

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 ...

role focuses on developing novel AI/ML solutions, scoping ideas and delivering projects for customers and internal research. You will work with senior leaders, mentor juniors, and require SC and eDV clearance. The role is hybrid (about 3 days on-site) with opportunities to influence technical direction ...

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 … temporal 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 ...

constantly evolving threat landscape. Responsibilities Lead the research, design, and evaluate detection models that identify automated, fraudulent, and malicious activity across Internet-scale data Mentor others in how to uncover patterns and behaviors that distinguish adversaries from legitimate users. Own the detection measurement framework, defining metrics and evaluation strategies … contested. Drive adoption of promising AI/ML techniques and represent Cloudflare in the broader research community. Drive cross-functional partnerships with ML Engineers, Data Engineers, and Product; Influence roadmaps and align detection strategy with company priorities. Shape long-term detection strategy, identifying gaps and opportunities that span multiple ...

mentoring more junior peers They're pretty cloud agnostic, Azure would be great though. Looking for the below skill set: Strong experience delivering applied data science or ML projects end‐to‐end, including feature engineering, model selection, evaluation, and iteration. Strong experience developing solutions in Python, with good practices ...

Orchard Therapeutics plc. in London offers a hybrid role for an ELN/Data Specialist who will be the SME for our ELN platform across TD and R&D. You will configure, govern and improve the ELN, define standards and guide scientists and superusers in applying them. You will … manage ELN operations, build data repositories, write SQL queries, and collaborate with R&D, Quality and informatics to enable data-driven decision making. #J-18808-Ljbffr ...

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 ...

Skillful is seeking a Lead Portfolio Analyst to join in London or Hampshire, combining underwriting analytics, pricing and data science to influence live underwriting decisions. You will report to the underwriting manager and Chief Underwriting Officer, with ~70% hands-on work and 30% leadership of projects and junior analysts. ...

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 ...