python data scientist jobs in Watford, Hertfordshire

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 (Contract) – Applied ML | AI | Optimisation Remote | UK/EU Time Zones | B2B/Outside IR35 *One-stage Interviews are taking place next week We're hiring a Senior Data Scientist for a long-term contract with a scaling digital platform that's investing heavily in its data and AI capability. This is a hands-on, applied ML role where you'll work on production-grade models that...

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.

Principal Product Data Scientist We are looking for an experienced Principal Product Data Scientist to join a global technology organisation. This is a senior leadership role where you will set the vision, shape the technical direction, and deliver strategic impact through innovative analytical solutions. What you will do As the most senior technical leader in the Product Data Science...

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...

- 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...

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...

If you need support in completing the application or if you require a different format of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 / +44 204 520 2575 with the subject line: "Application Support Request". Role: Data Science CoE Job Type: Permanent Location: Luton, UK Are you passionate about driving innovation and best...

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...

You will lead a team working across Python, Go, modern data architectures, and cloud-native infrastructure. If you enjoy designing systems that scale, mentoring engineers, and influencing product direction, we want to talk to you.

You will shape the core architecture of the platform.

Senior Data Analyst | SQL | Python | Amplitude | Remote Europe | Up to £100K Maze is partnering exclusively with a rapidly scaling, AI-powered technology company in the digital economy to hire a Senior Data Analyst. This is a high-impact role for a data professional who thrives on uncovering insights, driving experimentation, and shaping strategy through data. Key Requirements - 5+ years of...

Multiple Software Engineers – Palantir, Strong ETL, AWS & Python -Fully Remote – UK Based – Offices based in London - MUST BE SECURITY CLEARED - DV/SC Areti Group has exclusively partnered with a rapidly growing startup who are seeking 8 Software Engineers to start ASAP. These roles are fully remote. This business has grown by 75% this year and is now looking for another 30 hires between now...

Operations Research Scientist (Contract) 6 months London (remote friendly) I'm hiring an Operations Research specialist to drive large scale supply chain optimisation for a global consumer brand. You'll work on high impact problems, building and improving MILP models with tens of millions of variables, helping optimise inventory, routing, and overall network performance. Expect hands on...

Position Overview We are seeking a UK based detail-oriented and experienced Clinical Scientist reporting directly to the VP of Clinical Operations. Key Responsibilities: • Clinical Study Design and Execution: Oversee the development of clinical study plans from concept through to protocol finalization, ensuring scientific rigor and alignment with regulatory expectations, healthcare provider...

Location: Remote Contract length: 9 months Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the discovery and development of groundbreaking vaccines and...

You will design, execute, and deliver non-interventional and real-world studies to generate data that inform clinical, access, and policy decisions for vaccines. Working closely with medical, market access, and R&D colleagues, you'll translate strategic evidence needs into impactful research that supports product development, launch, and ongoing value demonstration.

You will play a pivotal role in technology and product development by providing scientific expertise in: - Instrument and experimental design. - Planning, execution, and analysis of experiments. - Data modeling and formulation of actionable insights. - Driving innovation in detection technologies to support current and future products.

A data-led digital business is hiring a Web Data Engineer to solve complex challenges around large-scale data collection, website access, and automation. This is a hands-on technical role for someone who can architect stable, scalable systems that extract, process, and enrich web data — and now, help integrate AI-assisted workflows to make those systems even smarter. Role: Web Data...

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:...

You will have the opportunity to work independently and contribute to high-impact projects within a collaborative environment. Key Responsibilities: