24 of 24 Data Munging Jobs in London

Senior Data Scientist (Full-Stack ML & LLMs) Location: Hybrid - Remote/London (UK) Reporting to: Technical Lead (Senior Data Scientist) About Us We are a high-growth, venture-backed health tech startup on a mission to transform how healthcare assessments are understood and utilized. Founded by health economics academics and backed by leading investors, we are … building a novel, data-driven platform that will become the definitive source of intelligence for Health Technology Assessment (HTA) and Market Access (MA) reports globally. This is a rare opportunity to get in on the ground floor and play a pivotal role in shaping the core technology and data foundation of our company. The Role: Build … Deploy, and Innovate We are looking for a Senior Data Scientist who is as passionate about building robust, scalable data systems as they are about innovating with cutting-edge machine learning. You will be the second data science hire, working hand-in-hand with our Technical Lead to architect and execute the data More ❯

Senior Data Scientist (Full-Stack ML & LLMs) Location: Hybrid - Remote/London (UK) Reporting to: Technical Lead (Senior Data Scientist) About Us We are a high-growth, venture-backed health tech startup on a mission to transform how healthcare assessments are understood and utilized. Founded by health economics academics and backed by leading investors, we are … building a novel, data-driven platform that will become the definitive source of intelligence for Health Technology Assessment (HTA) and Market Access (MA) reports globally. This is a rare opportunity to get in on the ground floor and play a pivotal role in shaping the core technology and data foundation of our company. The Role: Build … Deploy, and Innovate We are looking for a Senior Data Scientist who is as passionate about building robust, scalable data systems as they are about innovating with cutting-edge machine learning. You will be the second data science hire, working hand-in-hand with our Technical Lead to architect and execute the data More ❯

Onsite Who we are: We are an energy trading company generating liquidity across global commodities markets. We combine deep trading expertise with proprietary technology and the power of data science to be the best-in-class. Our understanding of volatile, data-intensive markets is a key part of our edge. At Dare, you will be joining … who challenge themselves and each other. We have a culture of empowering exceptional people to become the best version of themselves. What you’ll be doing: The Senior Data Engineer role is a unique opportunity to help build a world-class trading platform. You’ll be responsible for delivering products for our internal customers, designing, implementing, and maintaining … complex data pipelines and infrastructure that will give our traders a competitive edge. The Senior Data Engineer will be required to build relationships and collaborate with key stakeholders, responsibilities include: Architect and implement efficient data pipelines that enable our Quants, ML, Analytics and Operation teams to quickly build solutions without having to spend considerable More ❯

Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment … firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick … DBT, Snowflake KDB+, Snowflake and AWS, This is an exciting time for you to join the team they modernise their technology estate, revamp how they process and filter data, and overhaul the way data is accessed by their consumers, while continuing to onboard new datasets that enhance their strategies. They are a lean team owning end More ❯

Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment … firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick … DBT, Snowflake KDB+, Snowflake and AWS, This is an exciting time for you to join the team they modernise their technology estate, revamp how they process and filter data, and overhaul the way data is accessed by their consumers, while continuing to onboard new datasets that enhance their strategies. They are a lean team owning end More ❯

Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment … firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick … DBT, Snowflake KDB+, Snowflake and AWS, This is an exciting time for you to join the team they modernise their technology estate, revamp how they process and filter data, and overhaul the way data is accessed by their consumers, while continuing to onboard new datasets that enhance their strategies. They are a lean team owning end More ❯

Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment … firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick … DBT, Snowflake KDB+, Snowflake and AWS, This is an exciting time for you to join the team they modernise their technology estate, revamp how they process and filter data, and overhaul the way data is accessed by their consumers, while continuing to onboard new datasets that enhance their strategies. They are a lean team owning end More ❯

Data Scientist | Renewable Energy | Up to £600/Day | Outside IR35 | Remote, LDN | 6 Mths Rolling One of our Renewable Energy clients in the sustainable infrastructure space is seeking an experienced Data Scientist to join their advanced analytics team. This is a fully remote, hands-on role focused on solving complex operational challenges through data … machine learning. You’ll be working in a fast-paced environment, collaborating with cross-functional teams to develop models, guide technical decisions, and help shape the future of data science within the business - the company operates in a highly dynamic sector with a strong focus on innovation and efficiency. As a Data Scientist, you'll work … closely with both technical and non-technical teams to identify business problems and translate them into data science solutions. You'll lead the development of machine learning models - be hands on with Python and its data science ecosystem, ensuring data quality, building analytical pipelines, and visualising insights for stakeholders. 💰 Up to £600/Day More ❯

Data Scientist | Renewable Energy | Up to £600/Day | Outside IR35 | Remote, LDN | 6 Mths Rolling One of our Renewable Energy clients in the sustainable infrastructure space is seeking an experienced Data Scientist to join their advanced analytics team. This is a fully remote, hands-on role focused on solving complex operational challenges through data … machine learning. You’ll be working in a fast-paced environment, collaborating with cross-functional teams to develop models, guide technical decisions, and help shape the future of data science within the business - the company operates in a highly dynamic sector with a strong focus on innovation and efficiency. As a Data Scientist, you'll work … closely with both technical and non-technical teams to identify business problems and translate them into data science solutions. You'll lead the development of machine learning models - be hands on with Python and its data science ecosystem, ensuring data quality, building analytical pipelines, and visualising insights for stakeholders. 💰 Up to £600/Day More ❯

Data Scientist | Renewable Energy | Up to £600/Day | Outside IR35 | Remote, LDN | 6 Mths Rolling One of our Renewable Energy clients in the sustainable infrastructure space is seeking an experienced Data Scientist to join their advanced analytics team. This is a fully remote, hands-on role focused on solving complex operational challenges through data … machine learning. You’ll be working in a fast-paced environment, collaborating with cross-functional teams to develop models, guide technical decisions, and help shape the future of data science within the business - the company operates in a highly dynamic sector with a strong focus on innovation and efficiency. As a Data Scientist, you'll work … closely with both technical and non-technical teams to identify business problems and translate them into data science solutions. You'll lead the development of machine learning models - be hands on with Python and its data science ecosystem, ensuring data quality, building analytical pipelines, and visualising insights for stakeholders. 💰 Up to £600/Day More ❯

Data Scientist | Renewable Energy | Up to £600/Day | Outside IR35 | Remote, LDN | 6 Mths Rolling One of our Renewable Energy clients in the sustainable infrastructure space is seeking an experienced Data Scientist to join their advanced analytics team. This is a fully remote, hands-on role focused on solving complex operational challenges through data … machine learning. You’ll be working in a fast-paced environment, collaborating with cross-functional teams to develop models, guide technical decisions, and help shape the future of data science within the business - the company operates in a highly dynamic sector with a strong focus on innovation and efficiency. As a Data Scientist, you'll work … closely with both technical and non-technical teams to identify business problems and translate them into data science solutions. You'll lead the development of machine learning models - be hands on with Python and its data science ecosystem, ensuring data quality, building analytical pipelines, and visualising insights for stakeholders. 💰 Up to £600/Day More ❯

Data Scientist | Renewable Energy | Up to £600/Day | Outside IR35 | Remote, LDN | 6 Mths Rolling One of our Renewable Energy clients in the sustainable infrastructure space is seeking an experienced Data Scientist to join their advanced analytics team. This is a fully remote, hands-on role focused on solving complex operational challenges through data … machine learning. You’ll be working in a fast-paced environment, collaborating with cross-functional teams to develop models, guide technical decisions, and help shape the future of data science within the business - the company operates in a highly dynamic sector with a strong focus on innovation and efficiency. As a Data Scientist, you'll work … closely with both technical and non-technical teams to identify business problems and translate them into data science solutions. You'll lead the development of machine learning models - be hands on with Python and its data science ecosystem, ensuring data quality, building analytical pipelines, and visualising insights for stakeholders. 💰 Up to £600/Day More ❯

Data Scientist | Renewable Energy | Up to £600/Day | Outside IR35 | Remote, LDN | 6 Mths Rolling One of our Renewable Energy clients in the sustainable infrastructure space is seeking an experienced Data Scientist to join their advanced analytics team. This is a fully remote, hands-on role focused on solving complex operational challenges through data … machine learning. You’ll be working in a fast-paced environment, collaborating with cross-functional teams to develop models, guide technical decisions, and help shape the future of data science within the business - the company operates in a highly dynamic sector with a strong focus on innovation and efficiency. As a Data Scientist, you'll work … closely with both technical and non-technical teams to identify business problems and translate them into data science solutions. You'll lead the development of machine learning models - be hands on with Python and its data science ecosystem, ensuring data quality, building analytical pipelines, and visualising insights for stakeholders. 💰 Up to £600/Day More ❯

About the Role Level : 5 Department: COO Location : Southampton or London Contract type : Permanent The new role sits within Chief Operating Office (COO) and reports Head of AI & Data Science. The key accountabilities for the role are as follows: AI/ML Solution Delivery: Hands on end-to-end development and deployment of both traditional and GenAI-based … experimental design, model development, benchmarking, enhancement and deployment. LLM & RAG Integration: Design and implement new Retrieval-Augmented Generation (RAG) pipelines and enhance existing frameworks, applying advanced techniques in data chunking/splitting, vectorization, knowledge graph representation (GraphRAG), and query retrieval and evaluation. Model Evaluation & Prompt Engineering: Design and execute experiments to benchmark and evaluate model performance using both … AI principles and governance frameworks, ensuring robust model validation and compliance with regulatory and organizational standards. Cross-Functional Collaboration: Work closely with business partners, stakeholders, and technical teams (data engineering, platform engineering) to translate business requirements into impactful AI solutions. Research & Innovation: Stay abreast of emerging tools, techniques, and best practices in LLMs, RAG, GenAI, model development & evaluation More ❯

the problem 2. Artificial intelligence ethics - Demonstrates knowledge and application of moral principles, guidelines and techniques to inform the development and responsible use of artificial intelligence technology 3. Data analysis - Collects, analyses and interprets data to reach conclusions and/or present insights and findings 4. Data wrangling - Cleans, manipulates, and transforms data … valuable 5. Statistics - Applies the right statistical methods or formulas to solve problems or analyse a situation 6. Statistical Algorithms - Understands and uses algorithms to gather insights from data Secondary Skills: 1. Communication - Communicates with clarity and precision, presenting complex/technical information in a concise format that is audience appropriate 2. Negotiation & influence - Engages in discussion to More ❯

Role description: We are looking for a Performance Insights Consultant to join Arcadis' Business Advisory team. You will play a key role in shaping and delivering high-impact, data-led transformation projects across our Mobility, Places, and Resilience sectors. Working largely independently under the guidance of senior leaders, you will proactively design and deliver multi-service workstreams, build … impactful outcomes Generate actionable insights across cost, performance, risk, and operational effectiveness Develop and implement scalable reporting and benchmarking solutions Leverage expertise in business intelligence, advanced analytics, and data storytelling to drive client value Embed modern analytics tools and approaches into client programmes to enable sustainable improvements Collaborate with colleagues across Arcadis to integrate insights into wider strategic … functional input Technical Strong experience in Power BI (or Tableau, Qlik) to design and deliver enterprise-grade reporting and interactive dashboards Experience with Python for advanced analytics, forecasting, data wrangling, and automation of insight generation Intermediate to advanced SQL knowledge for structured data access and performance optimisation Exposure to machine learning techniques such as clustering, regression More ❯

About the Role You'll lead the data support function for the Portfolio Manager Support team in London, working alongside global counterparts in the US. The team is responsible for ingesting, transforming, and maintaining datasets used across the investment lifecycle, with a strong focus on automation, process improvement, and user experience. This is a hybrid role combining technical … oversight, stakeholder management, and hands-on problem-solving. You'll interface directly with PMs, analysts, and engineers - ensuring data flows smoothly, requests are handled efficiently, and the team delivers consistent, high-quality support. Key Responsibilities Lead and mentor a team of data analysts supporting front office users across asset classes Oversee data ingestion, transformation … SQL, and cloud-native tools Manage service levels and expectations across a fast-paced, high-demand environment Collaborate with infrastructure and engineering teams to ensure seamless integration of data and systems Act as a point of escalation for complex data issues and drive root cause analysis Work with data vendors (e.g., Bloomberg, FactSet, Refinitiv More ❯

About the Role You'll lead the data support function for the Portfolio Manager Support team in London, working alongside global counterparts in the US. The team is responsible for ingesting, transforming, and maintaining datasets used across the investment lifecycle, with a strong focus on automation, process improvement, and user experience. This is a hybrid role combining technical … oversight, stakeholder management, and hands-on problem-solving. You'll interface directly with PMs, analysts, and engineers - ensuring data flows smoothly, requests are handled efficiently, and the team delivers consistent, high-quality support. Key Responsibilities Lead and mentor a team of data analysts supporting front office users across asset classes Oversee data ingestion, transformation … SQL, and cloud-native tools Manage service levels and expectations across a fast-paced, high-demand environment Collaborate with infrastructure and engineering teams to ensure seamless integration of data and systems Act as a point of escalation for complex data issues and drive root cause analysis Work with data vendors (e.g., Bloomberg, FactSet, Refinitiv More ❯

About the Role You'll lead the data support function for the Portfolio Manager Support team in London, working alongside global counterparts in the US. The team is responsible for ingesting, transforming, and maintaining datasets used across the investment lifecycle, with a strong focus on automation, process improvement, and user experience. This is a hybrid role combining technical … oversight, stakeholder management, and hands-on problem-solving. You'll interface directly with PMs, analysts, and engineers - ensuring data flows smoothly, requests are handled efficiently, and the team delivers consistent, high-quality support. Key Responsibilities Lead and mentor a team of data analysts supporting front office users across asset classes Oversee data ingestion, transformation … SQL, and cloud-native tools Manage service levels and expectations across a fast-paced, high-demand environment Collaborate with infrastructure and engineering teams to ensure seamless integration of data and systems Act as a point of escalation for complex data issues and drive root cause analysis Work with data vendors (e.g., Bloomberg, FactSet, Refinitiv More ❯

insights and analytics consultancy to hire an Analytics Consultant to join their growing client delivery team. This is a great opportunity for someone with strong digital analytics and data storytelling experience who’s ready to take full ownership of client workstreams — combining technical rigour, commercial insight, and stakeholder engagement. You’ll play a key role in helping major … brands turn data into meaningful actions that drive personalisation and performance. THE ROLE AND RESPONSIBILITIES: Reporting & Insights Deliver regular digital performance reports with clear insights and recommendations. Build and maintain time-series dashboards across tools like Google Ads, Adobe Analytics, and Snowflake. Ensure reporting accuracy through data checks and campaign annotations. Personalisation & Experimentation Support A/… B and rules-based tests, defining hypotheses and success metrics. Translate insights into testable ideas and prioritise by commercial impact. Collaborate with stakeholders to launch and measure experiments. Data Quality & QA Run QA checks to maintain data integrity and consistency. Monitor key tracking systems, identify anomalies, and coordinate fixes. Client Delivery & Communication Act as the main More ❯

insights and analytics consultancy to hire an Analytics Consultant to join their growing client delivery team. This is a great opportunity for someone with strong digital analytics and data storytelling experience who’s ready to take full ownership of client workstreams — combining technical rigour, commercial insight, and stakeholder engagement. You’ll play a key role in helping major … brands turn data into meaningful actions that drive personalisation and performance. THE ROLE AND RESPONSIBILITIES: Reporting & Insights Deliver regular digital performance reports with clear insights and recommendations. Build and maintain time-series dashboards across tools like Google Ads, Adobe Analytics, and Snowflake. Ensure reporting accuracy through data checks and campaign annotations. Personalisation & Experimentation Support A/… B and rules-based tests, defining hypotheses and success metrics. Translate insights into testable ideas and prioritise by commercial impact. Collaborate with stakeholders to launch and measure experiments. Data Quality & QA Run QA checks to maintain data integrity and consistency. Monitor key tracking systems, identify anomalies, and coordinate fixes. Client Delivery & Communication Act as the main More ❯

insights and analytics consultancy to hire an Analytics Consultant to join their growing client delivery team. This is a great opportunity for someone with strong digital analytics and data storytelling experience who’s ready to take full ownership of client workstreams — combining technical rigour, commercial insight, and stakeholder engagement. You’ll play a key role in helping major … brands turn data into meaningful actions that drive personalisation and performance. THE ROLE AND RESPONSIBILITIES: Reporting & Insights Deliver regular digital performance reports with clear insights and recommendations. Build and maintain time-series dashboards across tools like Google Ads, Adobe Analytics, and Snowflake. Ensure reporting accuracy through data checks and campaign annotations. Personalisation & Experimentation Support A/… B and rules-based tests, defining hypotheses and success metrics. Translate insights into testable ideas and prioritise by commercial impact. Collaborate with stakeholders to launch and measure experiments. Data Quality & QA Run QA checks to maintain data integrity and consistency. Monitor key tracking systems, identify anomalies, and coordinate fixes. Client Delivery & Communication Act as the main More ❯

insights and analytics consultancy to hire an Analytics Consultant to join their growing client delivery team. This is a great opportunity for someone with strong digital analytics and data storytelling experience who’s ready to take full ownership of client workstreams — combining technical rigour, commercial insight, and stakeholder engagement. You’ll play a key role in helping major … brands turn data into meaningful actions that drive personalisation and performance. THE ROLE AND RESPONSIBILITIES: Reporting & Insights Deliver regular digital performance reports with clear insights and recommendations. Build and maintain time-series dashboards across tools like Google Ads, Adobe Analytics, and Snowflake. Ensure reporting accuracy through data checks and campaign annotations. Personalisation & Experimentation Support A/… B and rules-based tests, defining hypotheses and success metrics. Translate insights into testable ideas and prioritise by commercial impact. Collaborate with stakeholders to launch and measure experiments. Data Quality & QA Run QA checks to maintain data integrity and consistency. Monitor key tracking systems, identify anomalies, and coordinate fixes. Client Delivery & Communication Act as the main More ❯

play a key role in helping learners and professionals build deep, practical ML capability. Day-to-day, you'll: ? Deliver engaging teaching sessions covering the full ML lifecycle — data prep, model training, evaluation, deployment and monitoring at scale. ? Explain the maths behind ML models (linear algebra, calculus, probability, stats) in an accessible, engaging way. ? Support learners throughout their … expected by Ofsted, ESFA and other awarding bodies. What we're looking for You'll need to bring: Strong industry experience in end-to-end ML projects — from data wrangling and model building to deployment and monitoring. Confident teaching ability — whether you've formally taught, mentored or coached technical teams. Mathematical depth — clear understanding of the theory behind … wellbeing support. Monthly team lunches and regular social events. Laptop & full virtual setup provided. Who you are You're a passionate technologist who: Has 2+ years' experience in Data Science, Machine Learning or a similar role Loves teaching and seeing learners develop Thrives in a collaborative, innovative environment Is eager to continuously learn and improve As an industry More ❯