2,721 Senior Data Scientist jobs in the United Kingdom

We are looking for a mathematician with an advanced degree to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model.

In this role you will need to hold an expert level of mathematical reasoning- a completed or in progress Masters/PhD is preferred but not required. Other related fields include, but are not limited to: Applied Math and/or Computer Science.

Benefits:

• This is a full-time or part-time REMOTE position
• You’ll be able to choose which projects you want to work on
• You can work on your own schedule
• Projects are paid hourly starting at $40+ per hour, with bonuses on high-quality and high-volume work

Responsibilities:

• Give AI chatbots diverse and complex mathematics problems and evaluate their outputs
• Evaluate the quality produced by AI models for correctness and performance

Qualifications:

• Fluency in English (native or bilingual level)
• Detail-oriented
• Proficient in arithmetic, algebra, geometry, calculus, probability, statistics, and inductive/ deductive reasoning
• A current, in progress, or completed Masters or PhD is preferred but not required

Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD.

Data Scientist – Series A Agri-BioTech Startup

£11M+ Raised | London / Remote (UK)

Salary: £0,000 – £9 000 + early equity options

About the Company

We’re partnering with a Series A Agri-BioTech startup that’s raised over £11 llion to transform how data and biology combine to shape the future of sustainable agriculture.

They need to harness the power of machine learning, biological data, and environmental intelligence to improve crop performance, resilience, and sustainability, driving measurable impact on global food systems, climate, and biodiversity.

This is an opportunity to join a high-growth, mission-driven team at a pivotal stage of expansion, where your contributions will directly influence both the company’s science and its strategy.

The Role

As a Data Scientist , you’ll play a pivotal role in transforming complex biological and agronomic datasets into actionable insight. You’ll design, implement, and scale machine learning models that drive discovery, optimise breeding pipelines, and accelerate product innovation.

You’ll work cross-functionally with biologists, agronomists, and engineers — turning data into decisions that move the needle for sustainable agriculture.

Key Responsibilities

Data Science & Modelling

• Develop and apply machine learning models to extract insights from genomic, phenotypic, and environmental datasets.
• Build predictive models to guide experimental design and identify high-value biological targets.
• Ensure robustness through data cleaning, feature engineering, validation, and reproducibility.

Cross-Functional Collaboration

• Partner with wet-lab and field scientists to translate research questions into data-driven experiments.
• Present analyses and visualisations that clearly communicate findings to both technical and non-technical stakeholders.
• Contribute to strategic decisions across R&D and product development through evidence-based insights.

Infrastructure & Tools

• Help shape scalable data pipelines and workflows alongside software and bioinformatics teams.
• Promote best practices in data management, documentation, and model governance.

About You

Education & Background

• MSc or PhD in Data Science, Machine Learning, Computational Biology, Statistics , or related discipline.
• Proficiency in Python (NumPy, Pandas, TensorFlow or PyTorch) and R for modelling and analysis.
• Experience handling biological, genomic, phenotypic, or environmental datasets.
• Familiarity with data visualisation tools (e.g. Plotly, Matplotlib, Tableau) and SQL .

Mindset & Attributes

• Curious, adaptable, and driven by solving complex scientific problems with data.
• Excellent communicator who can bridge biology and computation.
• Comfortable working in a fast-paced, high-ownership startup environment.
• Previous experience in biotech, agri-tech, or research-driven teams is a plus.

Why Join?

Mission-Driven Impact – Apply your data science expertise to tackle food security and climate change.

Senior Data Scientist | Data, Python, Science

Senior Data Scientist with previous experience using Python is sought after by one of the UK’s most exciting gaming/esports companies. They need a Data Scientist to help their team solve the real-world problems that their technology-driven, data focussed platform faces. You will have the opportunity to join a small, agile team of esports experts and help them build a potentially industry leading data distribution platform.

For this position, they are looking for applicants with the following skillset:

• A passion for clean data/statistics
• At least 3 years’ previous experience as a data scientist
• Python skills/experience
• Comfortable in an Agile environment
• Knowledge of GitHub
• Interest in gaming/esports
• Previous experience with machine learning models and established statistics

In return, they can offer:

• A salary of up to £85k (depending on experience)
• A generous training/personal development budget
• Transport contributions
• Flexible working hours
• A great list of perks in a brand-new office (when you are in the office)

If you are an experienced Data Scientist and want the chance to work in the gaming/esports industry, apply or contact Luke Rose for more details!

Data Scientist / AI Engineer

Nottingham-based (2 days a week)

£60K

We are working with a AI start up who transform leading research into AI technologies, solving meaningful problems for clients in the retail and healthcare sectors.

What We Do

Retail: Promotions, pricing, and forecasting - building scalable AI systems to automate and optimise decision-making.

Healthcare: Research-driven AI projects with open problem spaces - early-stage innovation and experimentation.

We've built AI systems for retail clients and are now focusing on making these solutions repeatable and deployable across industries.

Essential Skills

• Strong programming skills in Python
• Solid understanding of SQL and data manipulation
• Background in Mathematics, Statistics, or Computer Science (MSc or PhD preferred)
• Experience building or deploying machine learning models
• Ability to work in a fast-paced, collaborative startup environment

New Permanent Opportunity for an Enhanced DV Cleared Data Scientist / AI Engineer in Cheltenham.

• Must have active enhanced DV (West) Clearance
• Junior to Lead levels available
• £45k to £95k DoE plus 15% clearance bonus
• Must be willing to be full-time on-site in Cheltenham
• Skills required in machine learning, GenAI, NLP, Customer Engagement/Consultancy

Who are we?

We are recruiting Junior, Senior and Lead Data Scientists with AI specialism and enhanced DV Clearance for a prestigious client to work on a portfolio of public and private sector projects. Our client is a global leader in technology, consulting, and engineering services at the forefront of innovation to evolve the world of digital, cloud, and platforms. You’ll experience excellent career progression opportunities to develop your skillset and personal profile in an inclusive culture.

What will the Data Scientist be doing?

Our client is seeking individuals with strong technical expertise in machine learning, GenAI, computer vision, and data science, alongside solid skills in solution architecture and software engineering to design and scale impactful solutions. This role involves working closely with clients to identify challenges, define solutions, communicate their value clearly, and lead teams to successful delivery. There are also opportunities to publish whitepapers and represent the organisation at conferences, all within an inclusive and diverse working environment.

Key Skills and Requirements

• Proficient in AI techniques including machine learning, GenAI, NLP, deep learning, graph analytics, and time series analysis.
• Strong communicator with the ability to simplify complex concepts, manage stakeholders, and motivate/lead Agile teams to deliver robust outcomes.
• Experienced in securing work through RFI/RFPs, bids, and presentations across public and private sectors.
• Skilled in data science platforms (e.g. Databricks, AzureML) and cloud services (AWS, Azure, GCP), with knowledge of tools like Terraform.
• Experienced in deploying solutions using Docker, Kubernetes, CI/CD tools.

To be Considered:

Please either apply by clicking online or emailing me directly at For further information please call me on or - I can make myself available outside of normal working hours to suit from 7 am until 10 pm. If unavailable, please leave a message and either myself or one of my colleagues will respond. By applying for this role, you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search for Henry Clay-Davies. I look forward to hearing from you.

KEY SKILLS:

Data Science / Data Scientist / AI Engineer / AI / Machine Learning / ML / NLP / GenAI / Stakeholder Engagement / Customer Engagement / AWS / Azure / Cloud / Docker / Kubernetes / CI/CD / Deep Learning

Data Scientist

• Contract Length: 4-Months
• Day Rate: £520 Outside IR35

We’re looking for a Data Scientist to join an exciting project focused on multi-touch attribution modelling within a leading consumer-focused organisation.

This is a hands-on, independent role suited to someone from an R&D, innovation, or consulting background who enjoys solving complex data challenges and delivering impactful, proof-of-concept solutions - not just perfect models.

Key Responsibilities

• Build and implement multi-touch attribution models to understand marketing impact and customer journeys.
• Analyse B2C purchase path data to identify key conversion drivers and optimise spend allocation.
• Create proof-of-concept models using imperfect datasets, prioritising value delivery over perfection.
• Collaborate with marketing and analytics teams to translate findings into actionable insights.
• Communicate technical results clearly to non-technical stakeholders.

Skills & Experience

• Proven experience developing multi-touch attribution or incrementality models.
• Strong SQL and Python skills, able to query, clean, and manipulate complex datasets.
• Background in R&D, start-up, or consulting environments where innovation and adaptability are key.
• Experience working with marketing and customer journey data.
• Solid understanding of statistics, experimentation, and data-driven storytelling.
• Confident communicator who can work independently and deliver results quickly.

Data Scientist

• Contract Length: 4-Months
• Day Rate: £520 Outside IR35

We’re looking for a Data Scientist to join an exciting project focused on multi-touch attribution modelling within a leading consumer-focused organisation.

This is a hands-on, independent role suited to someone from an R&D, innovation, or consulting background who enjoys solving complex data challenges and delivering impactful, proof-of-concept solutions - not just perfect models.

Key Responsibilities

• Build and implement multi-touch attribution models to understand marketing impact and customer journeys.
• Analyse B2C purchase path data to identify key conversion drivers and optimise spend allocation.
• Create proof-of-concept models using imperfect datasets, prioritising value delivery over perfection.
• Collaborate with marketing and analytics teams to translate findings into actionable insights.
• Communicate technical results clearly to non-technical stakeholders.

Skills & Experience

• Proven experience developing multi-touch attribution or incrementality models.
• Strong SQL and Python skills, able to query, clean, and manipulate complex datasets.
• Background in R&D, start-up, or consulting environments where innovation and adaptability are key.
• Experience working with marketing and customer journey data.
• Solid understanding of statistics, experimentation, and data-driven storytelling.
• Confident communicator who can work independently and deliver results quickly.

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 from complex, high-volume datasets. You’ll design and implement advanced analytical and machine learning models, develop robust data pipelines, and deliver actionable intelligence to inform decision-making at the highest levels.

This role offers the opportunity to apply your technical skills to highly operational challenges in a fast-paced, secure setting. You’ll work closely with engineers, analysts, and mission specialists to ensure data-driven outcomes that make a tangible difference.

Key Responsibilities

• Perform data wrangling , cleaning, transformation, and preparation of large, complex datasets
• Develop and deploy machine learning models to solve real-world operational problems
• Write clean, maintainable Python code for data analysis, automation, and modelling
• Collaborate with engineers and analysts to integrate models into production systems
• Present findings and insights to technical and non-technical stakeholders
• Contribute to the ongoing improvement of analytical tooling and processes

Skills & Experience

• Current enhanced DV clearance (mandatory)
• Proven experience in a data science or machine learning role
• Strong programming skills in Python and familiarity with key data libraries (e.g. pandas, NumPy, scikit-learn)
• Experience with data wrangling , feature engineering, and model optimisation
• Understanding of data pipelines , APIs, and production deployment workflows
• Excellent communication skills and a collaborative approach

Why Apply?

• Work on mission-critical UK Government projects with real-world impact
• Join a leading consultancy known for innovation and technical excellence
• Long-term engagement with competitive day rate and secure on-site environment

Location: Hybrid (2-3 days per week, London office)
Duration: 4 months
Rate: £500 per day (Outside IR35)

We're partnering with a leading marketing and communications group to find an experienced Data Scientist for a 16-week contract engagement. The successful candidate will take ownership of developing and refining multi-touch attribution (MTA) models, helping the client better understand and optimise their customer journeys.

This role suits someone who's confident working independently, thrives on solving real-world data challenges, and focuses on delivering tangible business value over theoretical perfection.

• Design, build, and validate multi-touch attribution models to measure marketing effectiveness across multiple channels.

• Collaborate with internal teams to define objectives, interpret results, and provide actionable insights.

• Work with imperfect or incomplete datasets, applying practical solutions to produce meaningful outputs.

• Communicate complex technical concepts clearly to non-technical stakeholders.

• Operate effectively within a hybrid working environment, with 2-3 days per week in the London office.
  
  

• Proven experience developing multi-touch attribution models (essential).

• Background in customer journey analytics or B2C purchase path modelling.

• Strong hands-on technical skills with SQL and Python.

• Excellent communication and stakeholder management skills.

• Pragmatic approach - focused on delivering results, not perfection.