176 to 200 of 203 Senior Data Scientist Jobs in London

Wise is seeking a Lead Data Scientist (IC3) for the AML Handling & Prevent team in London. You will architect AI systems, automate case workflows, and build post‐deployment monitoring to reduce financial crime risk. You’ll lead and mentor a skilled team while shaping the technical strategy ...

experiments, and you know the common failure modes (peeking, underpowered tests, bad randomisation, metric gaming) and how to design around them. Strong instrumentation and data governance instincts. You've defined tracking plans, and worked with engineering teams on event taxonomy. Experience working in AI-native product orgs. ...

that drive client profitability. You will translate business challenges into modelable solutions and deploy advanced ML algorithms. Ideal candidates will have 4+ years in data science, robust skills in Python and SQL, and familiarity with MLOps. Experience in financial services or related domains is a plus. Send your ...

between more people , making the online shopping experience seamless and accessible to everyone. THE TEAM ~110 people, more than half in engineering, product and data 45+ advanced degrees across computer science, mathematics and operations research Thousands of data points captured, calculated, analysed and predicted for every single parcel ...

JPMorgan Chase & Co. in London is seeking an Associate, Data Science to design and deliver AI and analytics solutions across Risk Management and Compliance. You will pilot scalable tools, collaborate with Product, Engineering, and business partners, and embed AI into workflows to deliver measurable value and governance. Focus areas ...

Chubb European Group Ltd. is seeking a data science professional to apply AI, ML, and statistical methods across multiple lines of business and geographies. You will partner with product owners, engineers and project managers to develop new use cases and deploy models in analytics platforms, contributing to real-world ...

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 ...

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 ...

CoMind is building a non-invasive neuromonitoring platform aimed at transforming brain health diagnosis and treatment. As Principal Data Scientist, you will set methodological direction, drive the most complex problems, and lead data science best practices with a strong emphasis on uncertainty and calibration. You will collaborate ...

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 ...

BDPN is seeking a data science lead in London to own data capabilities, shaping the roadmap for marketing and retention and delivering scalable, production-ready data solutions. You will collaborate with engineering, marketing, sales and product to define KPIs, run experiments with new algorithms and surface insights … that drive business impact. Maintain data infrastructure (BigQuery, dbt, Fivetran) and foster a data-driven culture, advocating improvements to tools and data architecture. #J-18808-Ljbffr ...

Zego is building real-time, AI-driven insurance infrastructure and is hiring a Lead Data Scientist to shape driving intelligence that feeds pricing models. You'll turn high-frequency GPS, accelerometer and gyroscope data into behavioural features and risk signals, collaborating with engineering, product, and actuarial teams ...

OpenDigital Limited is seeking a Lead Data Scientist in London to own and evolve the core ML models driving the product. You’ll shape the platform by designing, deploying and iterating predictive models that optimise revenue and user value while working closely with the CTO and founders. ...

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 ...

Our client is a digital and technology consultancy. About Us: Our client, part of our client, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our ...

Blue Light Card. Individually great, together unstoppable The Role and the Team This is a brand new Principal role, reporting to the Data Director. You'll be a subject matter expert and influential voice on experimentation and product insight, setting the standard for how we test, learn and scale … what works. Beyond your own analytical output, you'll serve as a technical and strategic anchor for the Product Data Science team, mentoring colleagues, shaping best practice, and ensuring the quality and impact of data analytics work across the organisation. This role is the natural progression ...

JPMorgan Chase & Co. in London seeks an Applied AI & Machine Learning Senior Associate in the Asset Management Data Science Team to design scalable, secure LLM-powered investment tools and robust data pipelines. You will collaborate with investment, data science, engineering, product, and control teams to translate ...

online payments. Further information is available at www.paysafe.com. It starts here. Have a global impact on the world of payments. As Director, Merchant Risk Data Science, you will play a hands-on technical leadership role, working with groups of data scientists, driving the design and delivery of next … generation AI/ML models for merchant risk at Paysafe. Reporting to the Head of Merchant Data Science, you will focus on advanced modelling, applied research, and production delivery, building on existing foundational models to push capability into modern AI techniques. The role is highly technical, requiring deep expertise ...

Build predictive models for workforce analytics and talent acquisition. You will lead a team of data scientists to uncover actionable insights from complex HR datasets. Requirements Ph.D. or Master's in Computer Science, Statistics, or related field. 7+ years of experience in data science and predictive modeling. Expertise … Python for data analysis. Experience with big data technologies (Hadoop, Spark). Ability to translate complex data into business strategy. Highly competitive salary and stock options. Relocation assistance if required. State-of-the-art workstation and tech budget. Regular team offsites and hackathons. Apply for this position ...

Alan Turing Institute in London invites applications for a role within the Research Engineering Group to turn complex data challenges into usable software tools and services for clients across industry, government, and beyond. The role emphasizes leading projects, mentoring colleagues, and delivering robust, reproducible analytics and software across diverse ...

also gain responsibility quickly and see your work have a direct impact. What You’ll Do In short, you’ll own Fyxers data science capabilities — you’ll set the roadmap for high-impact business areas like marketing and retention, implement scalable solutions, and ensure stakeholders use data to make confident commercial decisions. You’ll Build and refine predictive models on multi-channel customer and usage data to drive product and marketing decisions. Collaborate with engineering, marketing, sales and product teams to define KPIs, experiment with new algorithms and surface actionable insights that drive impact. Maintain ...

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 ...

Zohorecruit in London seeks 2 Data Scientists to define, architect and lead delivery of ML/AI solutions. The roles cover the full data science lifecycle, exploratory analysis, and translating business problems into scalable model solutions for stakeholders. Successful candidates will run proofs of concept, develop and monitor ...