Lead Data Scientist jobs in Bristol

You will design and build the systems that identify the signals that matter most for visibility, the retrieval and embedding architecture that feeds the models, the ranking and scoring framework that prioritises actions and the evaluation layer that measures how different LLMs behave across queries, surfaces and contexts.

A global aerospace and defense company in Bristol seeks a Principal Data Scientist to lead on automation and machine learning while managing a small team. Candidates should have substantial data science experience and expertise in programming and cloud platforms. The role also involves mentoring junior staff and developing predictive models. The company offers excellent benefits such as flexible...

Data Scientist - £70k | Remote / Hybrid | FinTech / Payments We’re working with an established FinTech / Payments business that has been helping customers manage and move money globally for many years. The company builds technology-led products that support low-cost, multi-currency payments and money management, operating across several regulated markets. They’re now investing further in their...

You will work on modernizing authentication and login experiences across multiple consumer applications, helping drive growth through high-quality user experience, experimentation, and data-driven decision making. This is a collaborative role, working closely with engineers, product managers, and cross-functional partners in a fast-paced environment.

You will work across a variety of complex analytical problems, owning experimentation end-to-end—even when ideal conditions such as user randomisation or high statistical power are not present.

You will work on real production problems rather than research-only work, owning models from first iteration through to live deployment.

You will collaborate closely with other data scientists, data engineers, and DevOps, with the freedom to shape how GenAI and ML are used across the platform.

A global leader in Aerospace and Defence is seeking a Principal Data Scientist in Bristol. This hands-on role involves leading machine learning capabilities and managing a small team. Candidates should have strong data science experience, knowledge of programming languages, and cloud platforms. Competitive benefits include generous leave, pension scheme, mental health support, and opportunities...

You will design and deploy production-grade graph solutions that model relationships not only between UAVs, missions, and sensors, but across company processes end-to-end: from operations and production to H...

You will apply advanced analytical, statistical, and machine‑learning techniques to support major UK Government programmes and the wider enterprise, working across multidisciplinary teams throughout the UK.

You will collaborate with delivery managers, engineers, architects, and customer stakeholders to design, develop, and operationalise data‑driven solutions that deliver meaningful impact.

THE OPPORTUNITY: Lead RevOps Strategist & Platform Specialist, Data Center (remote role UK or Spain) Job Summary: Iron Mountain is seeking a highly experienced, proactive, and strategic Lead RevOps Strategist & Platform Specialist to join our IMDC Global Services team in the UK or Spain (remote role). The Lead RevOps Strategist & Platform Specialist will serve as the pivotal link between our...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I’m recruiting on behalf of a high-growth cyber security technology company that protects some of the world’s most critical online services from large-scale DDoS and...

Do you want to build data science solutions that improve lives, not clicks? Would you thrive working directly with healthcare and public sector clients on the front lines of care delivery? Are you looking for impact-led projects where you own delivery end-to-end? A leading UK consultancy is scaling its AI & Data Science team to drive measurable outcomes in the healthcare and public sectors....

You will work collaboratively with a range of technical specialists on a broad range of projects, lead and coordinate topic‐specific input to Environmental Impact Assessments and related deliverables, work closely with clients, develop new areas of business and mentor others in the team.

Drive Pricing Excellence in a Fast-Moving Market RAC is on a bold journey of data transformation, and we’re looking for a commercially minded Senior Data Scientist to help lead the way. Sitting within our Technical Pricing Team in the insurance division, you’ll play a pivotal role in shaping pricing strategy, unlocking performance through data, and driving innovation across our insurance...

New Permanent Opportunity for a DV Cleared Senior Data Scientist in Cheltenham for a leading National Security and Defence Consultancy client. - Must have active DV Clearance - Up to £85k DoE plus bonuses and benefits - 3 days on site per week in Cheltenham - Skills required in Machine Learning, AWS/Azure, Python, NLP, AI Who are we? We are recruiting a Senior Data Scientist with DV Clearance...

AI Data Scientist Remote, UK 12 month contract £600-£700 per day Inside IR35 I am exclusively partnered with a leading enterprise B2B2C company who are seeking a Senior Data Scientist who's worked on AI programs at scale to join them on a contractor basis, initial duration 12 months. You'll work on the greenfield build of an AI Chatbot, alongside a team of AI Engineers, Data Scientists, We...

You will manage a team of 4-6, transforming data into predictive models while communicating complex technical details effectively. UK DV Clearance is required, along with strong analytics and programming skills. The role offers a flexible working environment and a comprehensive benefits package to promote well-being and career growth.

You will be working in a dynamic environment with a team that is motivated to deliver innovative solutions to customers within defence, government and commercial sectors. We are after creative, passionate, technically savvy and personable people to help grow our practice and solve some of the most challenging, exciting and critical challenges to the UK's digital landscape.

New Contract Opportunity for a multiple Security Cleared Data Scientists with an Industry Leading National Security Consultancy in Cheltenham. - Active eDV (West) Required - Up to £850 p/d Inside IR35 - 6-12 month engagement - Urgent requirement - ASAP start - 3-4 days on site per week in Cheltenham The Role As a Data Scientist, you’ll work within a multidisciplinary team to extract insight...

You will be working in a dynamic environment with a team that is motivated to deliver innovative solutions to customers within defence, government and commercial sectors. We are after creative, passionate, technically savvy and personable people to help grow our practice and solve some of the most challenging, exciting and critical challenges to the UK's digital landscape.