London, England, United Kingdom Hybrid / WFH Options
Harnham
Job Opportunity: Marketing & Data Science - Measurement & Modelling Location: Hybrid (2 days per week in office for first month, flexible after) Duration: 3 months initially Rate: £450-480/day (Outside IR35) Commute: 2 hours by train from Central London Role Overview: This role focuses on marketing effectiveness and data science in the retail industry, with a strong emphasis … and experimentation. Key Responsibilities: Finalising the MMM framework and modelling (70% complete) Building out the A/B testing framework Automating marketing analytics processes, particularly around experimentation Handling complex data and working with incomplete data Measuring campaign impact and refining marketing strategies Tech Stack: Core: Databricks, SQL, Python, PySpark Nice to Have: R, dashboarding tools Ideal Candidate … years of commercial experience in data science, preferably in an eCommerce or marketing analytics environment Proven experience in causal inference, MMM, and experimentation Strong communication skills and the ability to explain data-driven insights Interview Process: Stage 1: Technical assessment Stage 2: Knowledge-based interview Desired Skills and Experience Key Skills & Experience: 4-5 years in dataMore ❯
. Job Introduction The BBC has been serving audiences online for decades, across key products such as BBC iPlayer. As we evolve to deliver more personalised content and experiences, Data Science is at the heart of that transformation. As a team, we use ML/AI to enrich our content and power personalised experiences for millions of audience members. … We're looking for a SeniorDataScientist to join the Recommendations team in the Product Group . WHY JOIN THE TEAM As SeniorDataScientist you'll play a hands-on role in building machine learning products at BBC scale. Working as part of a highly cross-functional team, you'll help overcome … the challenges of deploying ML in production. You'll have the opportunity to get involved with the wider data science community, both at the BBC and externally. We hope you'll be enthusiastic about sharing your knowledge and growing others. YOUR KEY RESPONSIBILITIES AND IMPACT: You'll use your technical skills to deliver value to BBC audiences, blending a More ❯
. Job Introduction The BBC has been serving audiences online for decades, across key products such as BBC iPlayer. As we evolve to deliver more personalised content and experiences, Data Science is at the heart of that transformation. As a team, we use ML/AI to enrich our content and power personalised experiences for millions of audience members. … We're looking for a SeniorDataScientist to join the Recommendations team in the Product Group . WHY JOIN THE TEAM As SeniorDataScientist you'll play a hands-on role in building machine learning products at BBC scale. Working as part of a highly cross-functional team, you'll help overcome … the challenges of deploying ML in production. You'll have the opportunity to get involved with the wider data science community, both at the BBC and externally. We hope you'll be enthusiastic about sharing your knowledge and growing others. YOUR KEY RESPONSIBILITIES AND IMPACT: You'll use your technical skills to deliver value to BBC audiences, blending a More ❯
. Job Introduction The BBC has been serving audiences online for decades, across key products such as BBC iPlayer. As we evolve to deliver more personalised content and experiences, Data Science is at the heart of that transformation. As a team, we use ML/AI to enrich our content and power personalised experiences for millions of audience members. … We're looking for a SeniorDataScientist to join the Recommendations team in the Product Group . WHY JOIN THE TEAM As SeniorDataScientist you'll play a hands-on role in building machine learning products at BBC scale. Working as part of a highly cross-functional team, you'll help overcome … the challenges of deploying ML in production. You'll have the opportunity to get involved with the wider data science community, both at the BBC and externally. We hope you'll be enthusiastic about sharing your knowledge and growing others. YOUR KEY RESPONSIBILITIES AND IMPACT: You'll use your technical skills to deliver value to BBC audiences, blending a More ❯
. Job Introduction The BBC has been serving audiences online for decades, across key products such as BBC iPlayer. As we evolve to deliver more personalised content and experiences, Data Science is at the heart of that transformation. As a team, we use ML/AI to enrich our content and power personalised experiences for millions of audience members. … We're looking for a SeniorDataScientist to join the Recommendations team in the Product Group . WHY JOIN THE TEAM As SeniorDataScientist you'll play a hands-on role in building machine learning products at BBC scale. Working as part of a highly cross-functional team, you'll help overcome … the challenges of deploying ML in production. You'll have the opportunity to get involved with the wider data science community, both at the BBC and externally. We hope you'll be enthusiastic about sharing your knowledge and growing others. YOUR KEY RESPONSIBILITIES AND IMPACT: You'll use your technical skills to deliver value to BBC audiences, blending a More ❯
The Company A fast-scaling RegTech startup is looking for a Senior AI Engineer to help shape and scale its next-generation regulatory change management platform, powered by GenAI and automation. Backed by a major global bank and already working with several high-profile financial institutions, the company combines start-up agility with enterprise-grade ambition and infrastructure. Currently More ❯
Explore AI/ML solutions to tough physics problems in the Defence domain This research team is looking for an experienced engineer or post-doctoral scientist to help them explore the use of modern ML techniques for solving problems across defence related domains such as RF, edge AI and AI security. They work collaboratively within their team as well More ❯
Lead DataScientist £75,000 Hybrid – Central London (2–3 days onsite: Tues, Wed, Thurs) Permanent | Full-time If you’re the kind of DataScientist who thrives on building things from scratch, partnering with stakeholders, and lighting the fire under transformation - this one’s for you. We’re working with an organisation in the midst … of an exciting digital evolution. They’re investing heavily in their data capability and need a Lead DataScientist to drive innovation, shape future data products, and lead high-impact projects across the business. What You’ll Do Lead the design and development of analytics solutions, ML prototypes, and intelligent automation tools. Collaborate across Product, Platform … and Engineering teams to ensure your solutions are scalable and robust. Own the lifecycle of data science initiatives - from business challenge to deployed solution. Act as a change agent - helping business users understand the why, not just the what. Mentor and support other data scientists, nurturing a culture of experimentation and excellence. What You Bring 5+ years of More ❯
Lead DataScientist £75,000 Hybrid – Central London (2–3 days onsite: Tues, Wed, Thurs) Permanent | Full-time If you’re the kind of DataScientist who thrives on building things from scratch, partnering with stakeholders, and lighting the fire under transformation - this one’s for you. We’re working with an organisation in the midst … of an exciting digital evolution. They’re investing heavily in their data capability and need a Lead DataScientist to drive innovation, shape future data products, and lead high-impact projects across the business. What You’ll Do Lead the design and development of analytics solutions, ML prototypes, and intelligent automation tools. Collaborate across Product, Platform … and Engineering teams to ensure your solutions are scalable and robust. Own the lifecycle of data science initiatives - from business challenge to deployed solution. Act as a change agent - helping business users understand the why, not just the what. Mentor and support other data scientists, nurturing a culture of experimentation and excellence. What You Bring 5+ years of More ❯
forward-thinking company to make moving 'miles better' and moving your career forward at the same time - we'd love to hear from you! We're after a Marketing DataScientist who doesn't just want to report on the past - you want to predict the future, enjoy the occasional polygon, and help outthink the competition. This isn … impact, like things measurable, and aren't scared off by a team that regularly uses memes in meetings - get in touch. Let's build the future of smart, scrappy, data-powered marketing together. What you'll be doing: Build world-class propensity models to predict customer behaviour and campaign impact, it's all very next best action orientated. Own … insights to drive the business at scale. Be the architect behind testing frameworks , incrementality analysis , and budget allocation logic. Provide commercial and strategic insight directly to the CMO and senior leadership. Tinker with AI/ML approaches to take our attribution and targeting to the next level. What the role offers: Influence over millions in marketing spend and strategy More ❯
Lead DataScientist Hybrid - London (3 days a week) Up to £80,000 We are working with ahousehold fashion brand. They are on the lookout for a Principal DataScientist to join its growing Data & Analytics team. With a presence across a thriving eCommerce platform, mobile app, and 300+ retail stores, this is your chance … to join an exciting team. As Principal DataScientist, you’ll lead the data science function, supporting customer understanding, marketing effectiveness, and personalisation. From optimising campaign performance to driving loyalty and segmentation strategies, you’ll help put data at the heart of every customer interaction. The Role: Lead, mentor, and grow a team of Data … cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing attribution. Partner closely with CRM, Digital Marketing, and eCommerce teams to deliver data-driven improvements across the customer journey. Leverage advanced analytics to understand customer behaviour and optimise marketing spend and engagement. Ensure data quality and scalable infrastructure for marketing and More ❯
Lead DataScientist Hybrid - London (3 days a week) Up to £80,000 We are working with ahousehold fashion brand. They are on the lookout for a Principal DataScientist to join its growing Data & Analytics team. With a presence across a thriving eCommerce platform, mobile app, and 300+ retail stores, this is your chance … to join an exciting team. As Principal DataScientist, you’ll lead the data science function, supporting customer understanding, marketing effectiveness, and personalisation. From optimising campaign performance to driving loyalty and segmentation strategies, you’ll help put data at the heart of every customer interaction. The Role: Lead, mentor, and grow a team of Data … cases. Build and deploy models that support personalisation, customer segmentation, lifetime value prediction, churn prevention, and marketing attribution. Partner closely with CRM, Digital Marketing, and eCommerce teams to deliver data-driven improvements across the customer journey. Leverage advanced analytics to understand customer behaviour and optimise marketing spend and engagement. Ensure data quality and scalable infrastructure for marketing and More ❯
and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead DataScientist Lead DataScientist - Financial Crime Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power … an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections … building a sustainable world that unlocks priceless possibilities for all. Overview In the Financial Crime Solutions team at Mastercard, we build and deliver products and services powered by payments data to find and stop financial crime. We're an award winning team with a proven track record of combining data science technique with an intimate knowledge of payments More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
erg group
time to join. The team is sharp, diverse, and growing quickly, with plenty of momentum behind what they’re building. About the Role This is a permanent, full-time Data Science Team Leader position. You’ll head a team developing production-grade ML and AI solutions, focusing on performance, rigour, and real-world impact. The role is hands-on … and strategically important. You’ll own end-to-end delivery, collaborate with technical and scientific teams, and help define how data science is applied across the business. This is meaningful AI work, with clear technical challenges and purpose. Responsibilities · Lead and mentor a team of data scientists working on applied ML projects · Take ownership of projects from data … approaches where relevant · Communicate clearly with both technical and non-technical audiences Qualifications · Strong Python skills and practical machine learning experience · Proven ability to lead or mentor in a data science setting · Track record of delivering models into production environments · Degree in a relevant technical field or equivalent hands-on experience · Excellent written and verbal communication skills · Bonus if More ❯
Our Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector environment. … We expect our Principal DataScientist to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. They will coach and develop team members on their engagements providing them … with detailed performance feedback, as well as monitoring overall delivery to achieve the highest levels of client satisfaction. In addition, our Principal Data Scientists are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Made Tech
Our Principal Data Scientists are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector environment. … We expect our Principal DataScientist to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Data Science aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. They will coach and develop team members on their engagements providing them … with detailed performance feedback, as well as monitoring overall delivery to achieve the highest levels of client satisfaction. In addition, our Principal Data Scientists are responsible for engaging with our clients to understand their challenges and build lasting, trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best More ❯
of creating magical moments for our customers! We're not about selling products - we want to solve problems and change lives through Monzo ️ We're looking for a Lead DataScientist excited to help build the bank of the future. You'll have the opportunity to super charge our user engagement in 2025 and help us to build … people love and more than 80% of our growth comes from word of mouth and referrals. Enable Monzo to Make Better Decisions, Faster We have a strong culture of data-driven decision making across the whole company. And we're great believers in powerful, real-time analytics and empowerment of the wider business. All our data lives in … one place and is super easy to use. 90% of day-to-day data-driven decisions are covered by self-serve analytics through Looker which gives data scientists the head space to focus on more impactful business questions and analyses. How we hire We are excited to be expanding and are hiring for multiple roles across our DataMore ❯
make and action we take, guiding us to deliver impact how and where it matters most. Connect to your opportunity Our Tax and Legal Ventures team is expanding its Data analytics and Artificial Intelligence capabilities. The Data and AI studio supports the Tax and Legal business in researching, building, and delivering analytics and AI-driven solutions to our … that combined, are helping to drive exciting and innovative growth opportunities. You'll work as part of a multi-disciplinary team of industry, tax and legal SMEs, technology, and data specialists to provide specialist data science expertise and support on a diverse range of projects with both an internal and client focus. Your role will be as a … Lead DataScientist within our expanding AI & Data Studio, responsible for leading the design, development of early-stage concepts and scalable deployment of next-gen (Gen) AI solutions for the Tax & Legal business. You will also be responsible for leading a high performance technical team and working with Tax & Legal SMEs, other cross-functional teams within Digital More ❯
Senior Marketing DataScientist Up to £75,000 Hybrid - London A great opportunity to join a leading customer data science company as a Senior Marketing DataScientist THE BUSINESS The business is a global leader in customer data science, empowering businesses to compete and thrive in the modern-data driven economy … always putting the customer first. Enabling businesses to grow and diversify by utilising and understanding data and ensuring the customer is put first. Joining the business as a Senior Marketing DataScientist, you'd be helping to scope out business problems, creating data science solutions for these problems and then delivering insights and recommendations of … the back of it. THE ROLE AND RESPONSIBILITIES Understanding business problems, creating data science solutions and delivering insights and recommendations Working directly with clients and helping the team to give recommendations and answer questions Working on projects across clustering, propensity modelling, regression and more Building data visualisations and dashboards for clients YOUR SKILLS AND EXPERIENCE Strong technical experience More ❯
SeniorDataScientist UK – Hybrid Up to £80,000 The Company A leading UK telecoms company is expanding its Product and Marketing Data Science teams and is looking for a SeniorDataScientist to help drive data-driven decision-making. This is a great opportunity to work on high-impact projects that … directly influence customer engagement, marketing effectiveness, and business growth. The Role As a SeniorDataScientist, you will: Develop and deploy predictive models to enhance customer targeting and engagement. Work on churn prediction to help improve customer retention strategies. Apply customer segmentation techniques to optimise marketing campaigns. Build marketing attribution models to measure and improve campaign performance. … Collaborate with stakeholders across the business to translate insights into actionable strategies. Your Skills & Experience We’re looking for a DataScientist with: Strong experience in predictive modeling, customer analytics, or marketing data science. Proficiency in Python (Pandas, NumPy, Sci-Kit Learn) or similar tools. A proven track record of delivering impactful, data-driven solutions. Strong More ❯
SeniorDataScientist UK – Hybrid Up to £80,000 The Company A leading UK telecoms company is expanding its Product and Marketing Data Science teams and is looking for a SeniorDataScientist to help drive data-driven decision-making. This is a great opportunity to work on high-impact projects that … directly influence customer engagement, marketing effectiveness, and business growth. The Role As a SeniorDataScientist, you will: Develop and deploy predictive models to enhance customer targeting and engagement. Work on churn prediction to help improve customer retention strategies. Apply customer segmentation techniques to optimise marketing campaigns. Build marketing attribution models to measure and improve campaign performance. … Collaborate with stakeholders across the business to translate insights into actionable strategies. Your Skills & Experience We’re looking for a DataScientist with: Strong experience in predictive modeling, customer analytics, or marketing data science. Proficiency in Python (Pandas, NumPy, Sci-Kit Learn) or similar tools. A proven track record of delivering impactful, data-driven solutions. Strong More ❯
London, England, United Kingdom Hybrid / WFH Options
Data Idols
SeniorDataScientist - Marketing Salary: Up to £95k Location: Hybrid, London Data Idols are proud to be partnering with a major player in the logistics space as they expand their high-performing marketing team. They're on the hunt for a SeniorDataScientist to bring cutting-edge insight, strategic thinking, and a … love of data to the forefront of their decision-making. The Opportunity You'll be stepping into a key leadership role, tackling everything from propensity modelling to designing robust data architecture frameworks. Working hand-in-hand with engineers and product teams, you'll transform complex data into actionable marketing strategies that drive real business impact. From marketing … mix modelling (MMM) and attribution analysis to statistical testing, you'll harness customer behaviour and insights to shape the future of data-driven marketing in a fast-moving, customer-focused environment. What's in it for you? Competitive salary package Hybrid working flexibility with a modern office in Hammersmith Career progression opportunities within a growing logistics business Collaborative, inclusive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting
Leading pharmaceutical client now requires a SeniorDataScientist to drive marketing effectiveness via marketing mix modelling and other models. This role will oversee data collection, extraction, manipulation, analysis and validation ensuring data is ready for modelling. You will work closely with the Data Science team to build base models according to project specifications … Regression based models in an MMM context. Strong understanding of statistical modelling/Machine Learning techniques. Experience with probabilistic programming and Bayesian methods Good working knowledge of cloud-based data science frameworks. This is a 6 month contract position which provides a daily rate of £688 (Inside IR35). In terms of working structure, this role is hybrid with More ❯
Leading pharmaceutical client now requires a SeniorDataScientist to drive marketing effectiveness via marketing mix modelling and other models. This role will oversee data collection, extraction, manipulation, analysis and validation ensuring data is ready for modelling. You will work closely with the Data Science team to build base models according to project specifications … Regression based models in an MMM context. Strong understanding of statistical modelling/Machine Learning techniques. Experience with probabilistic programming and Bayesian methods Good working knowledge of cloud-based data science frameworks. This is a 6 month contract position which provides a daily rate of £688 (Inside IR35). In terms of working structure, this role is hybrid with More ❯
SeniorDataScientist - up to £65,500 + bonus Orbition Group are deighted to partner with a major player in the travel and leisure sector, renowned for their innovative approach to digital experiences and customer engagement. This is an opportunity to work with cross-functional teams to identify areas where Data Science techniques can be used … day to day will look like? You will be working with a small team to develop and implement predictive analytic, time-series forecasting and NLP models. Design and implement data collection, processing, and analysis frameworks Working closely with different stakeholders to explain solutions and recommend actions to take for the business to realise value. What you will bring to … the team? Background in statistical modelling/predictive modelling Proven experience delivering data science initiatives, from prototyping to production Strong SQL & Python experience Ability to work in a fast paced and agile environment Desirable: AWS, Snowflake & Palantir Foundry This role will be based in Leeds and will require two days a week in the office. If this sounds like More ❯