Lead data scientist jobs in Welwyn Garden CityCreate job alerts

• Job Advertisement: Senior Data Scientist, • Contract Type: Fixed Term Contract, • Working Pattern: Hybrid Are you ready to take your data science career to the next level? Our client is looking for a passionate and hands‑on Senior Data Scientist to join their Journey Insights team! In this exciting role, you’ll work with both structured and unstructured data, unlocking insights that enhance customer journeys and operational opportunities. • Own the Delivery: Lead end‑to‑end data science solutions from problem framing to deployment, ensuring your work delivers tangible results., • Deep‑Dive Analysis: Use hypothesis‑driven approaches to uncover customer journey opportunities and translate findings into actionable recommendations., • Innovative Solutions: Combine structured datasets with unstructured sources (like text and customer interaction data) to create robust features and predictive models., • NLP & GenAI Expertise: Apply traditional NLP techniques and cutting‑edge GenAI tools for text classification, summarization, entity extraction, and more., • Data Pipelines: Build, validate, and optimise data pipelines and model code, ensuring performance and security., • Stakeholder Collaboration: Work closely with stakeholders to define success metrics and turn complex outputs into clear, decision‑ready insights., • Mentorship: Share best practises and support your team through constructive code and model reviews., • Proven expertise in delivering end‑to‑end data science solutions that yield practical outcomes., • Experience in combining structured and unstructured datasets for modelling and analysis., • Strong background in NLP and GenAI techniques, including text classification, summarization, and embeddings., • Advanced proficiency in SQL, Python, and PySpark, with a focus on software development best practises., • Experience deploying data science models in a cloud environment (Azure preferred)., • Familiarity with database management (including graph databases) and integrating diverse data sources., • Excellent communication skills, with the ability to present complex ideas in a clear, non‑technical manner. Knowledge of PyTorch, MLflow, DBT, and Databricks AI functions is a plus! Join a dynamic organisation that values human connection and places customers at the heart of everything they do. Embrace the Agile way of working, where collaboration, innovation, and adaptation are key to meeting customer needs. • Be part of a community that celebrates diversity and inclusivity., • Enjoy a blend of remote and office working, fostering creativity and collaboration., • Access a range of full‑time and part‑time working patterns to fit your lifestyle. If you’re excited about leveraging data to drive meaningful insights and improve customer experiences, we want to hear from you! Together, let’s create solutions that make a difference! We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you. #J-18808-Ljbffr

Tesco Technology in Welwyn Garden City is looking for a Data Scientist to lead technical engagements, manage teams, and solve complex business problems using data science.

Finally, as a Data Senior Data Scientist, you will be expected to drive innovation and take ownership of aspects of the project development, support the Lead Data Scientist and Product Manager in managing relationships with business stakeholders, and mentor and supervise junior team members and inte

Senior Data Scientist to lead the development of advanced analytics and ML solutions across client projects. The role emphasizes robust, ethical modeling, model governance, and clear communication of risks and trade-offs, with hands-on delivery and mentorship of junior data scientists in a consultan

A leading insurance firm is seeking a Lead Data Scientist to develop and implement telematics models to improve pricing and risk management. This role involves collaboration with various teams and mentorship of junior data scientists. The ideal candidate will have proven experience in data science w

Senior Data Scientist – Energy Trading. We’re hiring multiple Senior Data Scientists to join a high‑impact energy trading environment for an Oil and Gas Major. Exposure to modern data science tooling, including LLMs and RAG‑style approaches.

A leading recruitment firm in the UK is seeking a Lead Data Scientist specializing in biomedical AI. You will lead a talented team applying advanced machine learning to biomedical challenges such as drug discovery and health data analysis. The ideal candidate holds a PhD and has proven leadership in

You will design robust data processing flows, implement data standards and QA, and communicate methods to stakeholders across NE and partners. The role focuses on both marine and terrestrial data, with opportunities to improve governance and data management practices, including ETL workflows and. Na

A leading UK insurance provider is seeking a Senior Data Scientist to lead projects and develop predictive models for pricing activities. This role involves steering machine learning approaches to derive insights from extensive customer data and is integral to managing and mentoring a small team. Ca

A leading legal information provider in the UK seeks a Senior Data Scientist II to design and deploy AI and ML solutions. The ideal candidate will have solid experience with OpenAI APIs and strong capabilities in data engineering.

Lead Data Scientist – Biomedical AI. If you’re a data science leader with deep biomedical expertise and the ambition to push the boundaries of AI in human health, this is a rare opportunity to shape the future of biomedical discovery. Lead, mentor, and grow a multidisciplinary team spanning data

A pioneering health technology company in London is seeking a mid-senior level Lead Data Scientist to innovate and lead model development in health AI. You will leverage machine learning to transform cardiovascular disease care by integrating multimodal biomedical data. This is a unique opportunity

Jet is seeking a Principal Data Scientist to lead an optimization engineering team focused on disruption management and crew rostering. The role blends people leadership with hands-on technical direction, across architecture, delivery, quality and reliability, and involves building observability and

Experienced leader in data science with track record leading a data science function, ideally within a customer focussed or commercial domain. Lead senior data scientists, coordinating their respective focus areas and workloads as well as developing them personally to grow their careers. Deploy soph

Mathematics and Statistics, computer programming, Data Ingestion, Data Munging, Data visualisation, Machine Learning, Optimisation, Simulation, Reinforcement Learning and Big Data techniques and technologies). Strong team leadership skills are essential, including the ability to mentor data scientis

We are working with a leading UK retailer and eCommerce company. You will be a technical lead within the business and work closely with teams to drive measurable impact through various models.

Lead Data Scientist | Life Science | Hybrid (London). You’ll join as the first Data Science hire, building the foundation of a platform that integrates multi-modal biomedical data, deep learning models, and large‑scale population datasets such as UK Biobank and Our Future Health. Work with world

A well-established eCommerce organization based in Leicester seeks a Lead Data Scientist. In this hands-on leadership role, you'll guide teams to deliver advanced machine learning models and data science solutions. This hybrid position offers the opportunity to influence senior stakeholders and shap

As our Lead Data Scientist, you’ll develop, test and embed advanced telematics models that help us price smarter, understand driver behaviour, and reduce risk. If you’re ready for a step up or already leading in the data science space, this role gives you the platform to make your impact felt. Y

A well-backed InsurTech leading the UK short-term motor insurance market, one hour to one month cover, at serious volume. Around 70% heads-down individual contribution, 30% leading projects and developing junior analysts. Exploring non-traditional data sources to sharpen underwriting decisions.

Collaborating with the Data Platform to team in ingesting and transforming data from multiple systems, modeling data, and engineering data marts to create reusable data assets, including developing and implementing machine learning models, genAI, and Agentic AI. Data Engineering & Cloud Computing: S

Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Build and refine seamless transaction experiences that optimize fund transfers for speed, security, and reliabilityEnsure an efficient and intuitive onboarding experience for users interacting with payment systems, reducing friction and improving trustDevelop innovative features that enhance engagem

AWS AppSync, Lambda, Amazon DynamoDB) • Experience building software solutions in the Financial Services domain • Experience with both SQL and NoSQL database platforms • Understanding of the built-in Python libraries as well as commonly used third-party packages • Understanding of data struc

Lead the design and delivery of complex payment capabilities, making high-quality technical decisions that result in secure, scalable and maintainable solutions. Shape the technical direction and architecture of payment systems, working closely with architects and engineering leaders to align with b

Leonardo UK is leading the development of advanced Integrated Sensing and Non-Kinetic Effects (ISANKE) and Integrated Communications System (ICS) technologies, including sensing, communications, data fusion, machine learning, and defensive aids systems. Software architectures, interfaces, and data i

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. By taking advantage of all structured and unstructured data — securing and protecting private information more effectiv

With ethical values that run right through the company’s core and technology leaders that truly understand software engineering, it’s an exciting time as we’re redefining ourselves into a digital-first and engineering-led organisation, with the quality of our engineering team being a key diffe

DescriptionCivica builds software that runs essential public services.Our systems support local government, the NHS, housing associations, and financial institutions - services that millions of people depend on every day.When our software works well, caseworkers make better decisions, clinicians acc

WHAT YOU WILL DODefine the architecture for Tide’s agentic platformDrive the design of shared services such as context APIs, tool layers, policy controls, and auditabilityPartner with product, data, security, and engineering teams to turn use cases into reusable platform capabilitiesSet standards

Ours is a globally distributed, full stack java tech team and our building blocks consist of a set of Microservice components, backend APIs, Rich UI, robust Eventing Platform and Data layer components utilising a wide range of modern technologies including:Java, RxJava, SpringBoot Kafka, PostgreSQL

Tech StackThe team uses a variety of technologies, including:Backend: Java 11+, Spring BootFrontend: AngularJSCloud & Data: Azure Cloud Platform, Azure DatabricksDatabases: MongoDB, SQL, CosmosDBInfrastructure as Code: TerraformMessaging & Event Streaming: Kafka, IBM MQCI/CD: GitHub ActionsEveryone�

Experience curating datasets, managing embeddings, and ensuring security, privacy, and responsible AI practices. Awareness of governance, security, and compliance considerations relating to data management and AI deployment. Awareness of mathematical libraries used for signal, image, and data proces

Preferred Qualifications: Experience with HAProxy, or any other open-source Load Balancer2+ Years of Golang experienceExperience building or maintaining planetary scale engineering systemsExperience working with a remote, distributed teamStrong written and verbal communication skills GitHub val

Analyse logs, user feedback, observations and experimental data to identify software improvements and diagnose issues. Investigate and resolve complex bugs using an evidence-based and data-driven approach. A methodical, evidence-driven approach to problem solving, drawing upon multiple sources of da

With ethical values at the heart of everything we do and technology leaders who truly understand engineering, it’s an exciting time as we continue our transformation into a digital-first, engineering-led organisation. Lead and mentor engineers through quality best practice, code reviews, automatio

Preferred QualificationsExperience with two or more of the areas listed above Experience as a DevOps or DevExp engineer Experience designing and running software lifecycle management and productivity tools for software developers GitHub valuesCustomer-obsessedShip to learnGrowth mindsetOwn

We’re disrupting, innovating, and leading the industry into a more conscientious, inspiring digital era.

You will collaborate closely with distributed team members, partner with data scientists on AI-driven features, and optimize distributed cloud architectures for low-millisecond latency. DynamoDB, Aurora, Snowflake)Experience working with CI/CD tools and pipelines such as Jenkins or CloudBeesAbility

Company DescriptionCome join us and make a difference in the world!Discover more at Job DescriptionSenior DevOps Engineer Nationwide, Hybrid, 50% office attendance where you live within reasonable commuting distance of an NEC SWS office, SC eligibility required Join us and help shape the future

GitHub valuesCustomer-obsessedShip to learnGrowth mindsetOwn the outcomeBetter togetherDiverse and inclusiveManager fundamentalsModelCoachCareLeadership principlesCreate clarityGenerate energyDeliver successWho We AreGitHub is the world’s leading AI-powered developer platform with 150 million deve

You'll design and build event-driven data flows using AWS Kinesis, SQS/SNS, and the Spring Cloud Stream processing framework, and improve the GraphQL API layer and backend services powering hotel pricing, inventory, and demand management across 80+ PMS/CRS integrations. You'll operate and tune Mongo

CS GROUP is a leading provider of operational systems and an important and trusted long-term partner for space and defence organisations. With over 2000 employees worldwide, we combine advanced and unique skills in both information technology and space data engineering.

Job Description:Your ImpactAre you an experienced Real-Time Embedded Software Engineer looking to take the next step in your career? Do you want to work for an employer committed to helping you reach your full potential, that empowers engineers to innovate and grow?If so, Leonardo has exciting oppor

NET CoreWeb development framework - Vue, AngularSQLCloud & Data PlatformsAWS (EC2, S3, Lambda, ECS, Glue)Data Warehousing and ETL TechnologiesDatabasesPostgreSQLSQL ServerOracleAnalytics & ReportingSSRSPower BIAmazon QuickSightToolsVisual StudioVS CodeGitJiraTesting & QualityUnit TestingIntegration

Key ResponsibilitiesTechnical Leadership & DeliveryProvide hands-on technical leadership across software development teams. People Leadership & MentoringCoach, mentor, and develop engineers at all levels, creating a culture of learning and technical excellence. What You'll BringEssential Skills & Ex

What you'll doYour key accountabilities will include:Lead the architecture, design, development and delivery of scalable software solutions, distributed systems and modernisation initiatives that support critical store operations across M&S. Provide technical leadership on complex, high-impact proje