Principal Data Scientist jobs in Leeds, West Yorkshire

You will play a key role in developing and implementing Optum UK's data science capabilities in the UK.

You will take ownership of the UK's data science function, this will include providing strategic and technical direction, team building and communicating with senior stakeholders across the business.

You will take ownership of the UK's data science function, this will include providing strategic and technical direction, team building and communicating with senior stakeholders across the business.

You will play a key role in developing and implementing Optum UK’s data science capabilities in the UK.

You will take ownership of the UK’s data science function, this will include providing strategic and technical direction, team building and communicating with senior stakeholders across the business.

You will play a key role in expanding the use of Data Science and AI across the DfT, helping apply cutting‑edge techniques to high‑stakes decisions. Working collaboratively with data engineers, digital and policy teams, you’ll help embed data‑driven insight at the heart of decision‑making and increase the impact of data science across the Department.

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

About the job Our client is a pioneering biotech dedicated to unlocking extracellular biology to develop transformative therapies in fibrosis and oncology. We are seeking a highly skilled Principal Scientist to drive target validation within our discovery pipeline. In this role, you will apply advanced molecular biology, histology, and immunofluorescence approaches to confirm and characterise...

Lead & Principal Data Scientist (3 days onsite) - Travel Required Join a forward-thinking consultancy that’s been redefining the industry for over a decade. Operating across sectors such as Defence, Retail, Government, and Healthcare, the firm delivers cutting-edge Data Science and Machine Learning solutions that drive measurable transformation. By blending strategic insight with deep technical...

Senior Data Scientist (SC Cleared) Location: Gloucester or Bournemouth Clearance: Must hold Active SC clearance or be eligible for SC Clearance A leading digital consultancy is looking for a Senior Data Scientist to lead and deliver cutting-edge AI/ML solutions for clients across UK defence and public sector. This is a hands-on, strategic position for someone who thrives at the intersection of...

Your new company This cutting-edge data science firm is driving transformation in life sciences through methodological excellence and innovation. Its research division is a hub for scientific exploration, where novel statistical techniques are developed to tackle some of the most pressing challenges in genomics and drug discovery. The organisation values intellectual curiosity, cross-disciplinary...

Data Scientist | Fully Remote | Health and Wellbeing We’re hiring an Data Scientist to help build and ship ML and LLM features in a regulated environment with sensitive data. You’ll work with engineering to move models from idea to production. Tech Stack: Python, scikit-learn, PyTorch, TensorFlow/Keras, LangChain, Pydantic, Spark, Kafka, Databricks, MLflow, Azure, Docker, Kubernetes. Salary:...

- Data Scientist - Initial 6-month contract - £475 to £500 per day - Outside IR35 - Remote Working (+ occasional site visits) The Opportunity ISR are supporting a major UK Government Agency seeking an experienced Data Scientist to help shape and expand their data and analytics capabilities. You’ll play a key role in designing and delivering advanced data models, integrating new sources of...

You must have full rights to work in the UK, as we are unable to offer visa sponsorship for this role

Data Scientist (Pricing & Forecasting) - Paying up to £80k + 10% bonus - Fully remote - office in London if preferred. One of La Fosse’s best clients who are an industry leader within the entertainment space are currently hiring for a talented Data Scientist to join the team. Even though this company are a global brand, you will be joining a small team of 4/5 and will have a lot of...

Remote Role – Central London Office This is a fully remote role but you MUST be UK based and not require a visa to work. Lead R Data Scientist - Sustainability The Organisation Our client develops cutting-edge navigator software for the global agricultural sector, helping farmers transition toward more sustainable practices through science-backed analytics. Their software provides direct...

Your new company A Principal Data Engineer is required on a permanent basis for a forward-thinking organisation at the heart of Leeds. The Data Services team are on a mission to unlock the value of data by delivering high-quality, secure, and accessible data services. With a focus on modern cloud-based technologies and strong partnerships, they help colleagues navigate the complexities of a...

Senior Data Scientist (Marketing Mix Modelling (MMM), A/B Tests, Causal Inference) Employment Type: Contract (Outside IR35) Length: 12 months Contract Rate: 500 - 550 We’re looking for someone who enjoys solving complex problems at the intersection of data, marketing, and technology. You’ll play a key role in building models, experiments, and optimisation tools that help shape how marketing...

Senior Data Scientist Remote (quarterly travel to London) Up to £75,000 We are working with a well-established media group with a diverse portfolio of household brands spanning publishing, entertainment, and digital products. The business is investing heavily in analytics and data, with the aim of transforming how customers experience their products and services. You’ll be the first Data...

About the Opportunity We are partnered with an exciting Therapeutics scaleup. They need a Data Scientist with proven experience in building and managing data infrastructure & workflows for complex biomedical datasets. Experience of working with pre-clinical / clinical data within medical device development. We are looking for a Principal Data Scientist to join our team. This is a full-time...

You must have full rights to work in the UK, as we are unable to offer visa sponsorship for this role

Lead Data Scientist (3 days onsite) - Travel Required Join a forward-thinking consultancy that’s been redefining the industry for over a decade. Operating across sectors such as Defence, Retail, Government, and Healthcare, the firm delivers cutting-edge Data Science and Machine Learning solutions that drive measurable transformation. By blending strategic insight with deep technical expertise,...