25 of 25 Permanent Principal Data Scientist Jobs

Description - Principal Data Scientist - Optimisation Engineering (17233) Job Description Principal Data Scientist - Optimisation Engineering ( 17233 ) Description Principal Data Scientist - Optimization Engineering We are easyJet – a FTSE-250 listed, £multi-billion low-cost airline that serves tens of millions of customers every … complex disruption-management and crew/roster optimisation challenges. You’ll translate operational problems into scalable software and optimisation solutions, partnering closely with product, data/operations research (OR), and customer stakeholders. The role blends people leadership with hands‐on technical direction across architecture, delivery, quality, and reliability. Requirements ...

Principal Data Scientist# Careers at Aristocrat## Principal Data ScientistApply: Hybrid: London, United Kingdom: Full time: Posted Today: R0020855Are you ready to join a world-class team and make a significant impact on the gaming industry? At Aristocrat, we aim to bring happiness to life through … power of play. We seek a Principal Data Scientist to help us reach our ambitious goals. You will have a vital role in enhancing gameplay, boosting player engagement, and improving business outcomes with your advanced data expertise. This opportunity allows you to work on innovative projects ...

Principal Data Scientist page is loaded## Principal Data Scientistremote type: Hybridlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R0020855## What You'll Do* Lead high-impact data science initiatives end-to-end, including problem framing, methodology selection, experiment development, implementation … Drive scalable experimentation with A/B and Multi-armed bandit testing frameworks, power analysis, variance reduction, and online-offline alignment.* Work together with Data Engineering, MLOps, and Game Tech teams to guarantee dependable data foundations, feature accessibility, and model deployment pathways.* Build internal data products ...

Robert Half has partnered with an established engineering firm to recruit for a newly created role of Principal Data Scientist and Machine Learning Researcher. This is a permanent role, based in Gloucester or Manchester, with competitive salary and benefits. As you will be working within a highly … secure technology environment, the successful candidate will need to be able to obtain eDV and SC clearance. The RoleSupporting the Head of Data Science & Machine Learning to shape group strategy and engage stakeholdersGenerating ideas for novel research that create competitive advantage across the customer communityWorking autonomously to develop complex ...

Role overview The Principal Data Scientist will lead significant data science work across AWTG and client programmes, shaping technical direction, standards and delivery approaches. The role requires deep expertise in data science, strong leadership and the ability to turn advanced analytics into organisational impact. … will work with multidisciplinary teams across data, AI, software engineering, product, QA and delivery to create practical outcomes for clients and end users. Key responsibilities Lead the scoping, design and delivery of complex data science products, models and analytical solutions. Set standards for modelling, validation, reproducibility, coding, documentation ...

hands-on data scientist with deep expertise in NLP and LLMs, strong Python coding skills, and a track record of deploying models to production? Do you thrive in building real-world AI solutions that are used by actual customers? If so, we'd love to talk … ROLE SUMMARY: As a Principal Data Scientist (individual contributor), you will play a hands-on role in designing, building, and deploying scalable AI solutions that go beyond prototypes and are actively used in production. You'll work closely with collaborative teams to co-develop innovative products ...

significant impact on the gaming industry? At Aristocrat, we aim to bring happiness to life through the power of play. We seek a Principal Data Scientist to help us reach our ambitious goals. You will have a vital role in enhancing gameplay, boosting player engagement, and improving … business outcomes with your advanced data expertise. This opportunity allows you to work on innovative projects, collaborate with diverse teams, and guide critical initiatives that will develop the future of our leading games. What You'll Do Lead high-impact data science initiatives end-to-end, including problem ...

AWTG Ltd. in the United Kingdom is looking for a Principal Data Scientist to lead data science efforts across multiple programmes. This role demands expertise in data science, leadership, and the capability to turn analytics into impactful business results. The ideal candidate will excel … designing scalable data science solutions while collaborating with cross-functional teams. Strong skills in machine learning and stakeholder communication are essential. #J-18808-Ljbffr ...

About our Team Data Science Life Sciences is a diverse team focusing on GenAI, ML, NLP. We mainly develop best-in-class enrichment pipelines for Elsevier’s life science .com products such as Reaxys, Embase and Pharmapendium. About the Role As Principal Data Scientist (AI/… Generative AI), you will provide technical and thought leadership across multiple data science teams, shaping how we design and deliver advanced AI, NLP, and generative AI solutions for knowledge discovery and decision support. Your focus is on setting technical standards, quality, and governance across teams, representing data science ...

## Principal Data Scientist & Machine Learning ResearcherApplylocations: Gloucester, South Gloucestershire: Manchester, Lancashire: London, Londontime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 01804570**Date Posted:**2026-02-23**Country:**United Kingdom**Location:**Gloucester, South Gloucestershire**Position Role Type:**Unspecified**Gloucester, London or Manchester****Hybrid role … safer and more connected world.**About the role:** This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems. In this role you will work with high levels ...

complex challenges, uncovering insights, and driving innovation with advanced analytics? If so, we could have the perfect opportunity for you! We’re seeking a Principal Data Scientist to join our award-winning digital team at Stantec. You will be working alongside leading Analysts and Data Engineering … Reading, Brighton or Southampton offices, with hybrid working allowing for a mix of in-office and home working. What You'll Be Doing Leading Data Science Initiatives – apply your expertise in data modelling, cleansing, and analytics to create innovative solutions that drive digital transformation. Deriving Powerful Insights ...

Wyatt Partners are engaged to find a Principal Data Scientist for one of the most recognisable brands on the planet. This an opportunity to have a tangible impact on the company, and also make your mark in the way the company approaches data science from … paradoxes to some extent in that for such a recognised global brand, there is a complete blank canvas when it comes to utilising data science for business solutions – therefore we are looking for an individual that would thrive in that ‘greenfield’ environment, charting their own course, with great potential ...

Stantec is seeking a Principal Data Scientist to join our award-winning digital team. You will lead data science initiatives across the water sector, shaping digital strategies and delivering predictive analytics, optimization, and insightful data visualisations for clients. Based in the UK with hybrid work ...

leading gaming company in London is looking for a Principal Data Scientist to lead high-impact data science initiatives. The role involves building machine learning solutions that drive player engagement and retention. Candidates should have a PhD or MSc and over 5 years of experience delivering … data products in the gaming industry. The position offers a hybrid work model and opportunities for professional growth in a supportive environment. #J-18808-Ljbffr ...

Aviva plc in London or Norwich is seeking a Principal Data Scientist to lead the Personal Lines data science agenda within our Retail team. You will partner with stakeholders to translate challenges into innovative analytics solutions and mentor a team delivering high-impact models and insights. ...

opportunity for meaningful innovation and are proud to set the gold‐standard for marrying technical excellence with safe deployment. About the role As a Principal Data Scientist at Faculty, you will serve as a technical leader and domain expert who owns and drives the delivery … most technically complex, high‐impact projects and programmes for our most important clients. You also will set the technical direction for the data science team, mentor, and develop them so our data scientists remain best in class. This position focuses on deep individual contribution and technical excellence, influencing ...

that will improve how we diagnose and treat brain disorders, ultimately improving and saving the lives of patients across the world. The Role The Data Science team at CoMind develops the algorithms and machine learning systems that transform raw optical interference signals from CoMind One into continuous, clinically meaningful … photonics, physiology, and applied ML, the team's work directly determines what CoMind One can measure, how accurately, and under what clinical conditions. As Principal Data Scientist, you will be a technical authority for CoMind's data science function, setting methodological direction for signal condition ...

Aristocrat Leisure is hiring a Principal Data Scientist in London. You will lead end-to-end data science initiatives, delivering ML and reinforcement learning solutions to boost player engagement, retention, monetization, and operational outcomes. You will define evaluation frameworks and partner with game teams to translate … analytics into product actions. You will set engineering standards for model validation, drive scalable experiments, and work with Data Engineering, MLOps, and Game Tech to #J-18808-Ljbffr ...

that makes you unique is welcome; join us and let’s build what’s next - together! About the Role We're seeking a versatile Principal Data Scientist who can work across the full stack of Anaplan AI applications, from model integration and prompt engineering to building intuitive … Generative AI Architecture: Architect GenAI solutions, focusing on fine-tuning proprietary and open-source Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks. Next-Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic AI workflows, creating intuitive experiences that can independently execute complex planning tasks. ...

leading consulting firm is seeking a Principal Data Scientist to innovate within a prestigious brand. This role offers a unique chance to shape the approach to data science in a greenfield environment, impacting the organization significantly. Ideal candidates have fluency in Python and proven experience ...

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 ...

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 ...

millions of journal articles, extracting entities, classifications, claim tuples, and summaries optimized for use by downstream agentic applications. We're looking for a senior data scientist to own domain‐specific content modeling work end to end, from the eval set through the pipeline stage that ships it. … join a small, senior team where data scientists own their models in production. You'll write the code, own the evaluations, ship the changes, and stay accountable for the outcomes. This is a hands‐on role for someone who wants to see their models through to real users ...

better every day, driven by our agile, performance-focused culture. About the role This is an exciting opportunity is to join our Global AI & Data Science team. AI, Data Science and Machine learning are critical elements of our digital strategy. We are investing to build best in class … data science capabilities, so our AI solutions deliver impact and meet our Responsible AI requirement Key Responsibilities Participate in creating, evolving, and developing data science models for Marketing, Commercial and Digital Work closely with product owners, data engineers and machine learning engineers to deliver high quality data ...

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 ...