1 to 25 of 38 Permanent Data Munging Jobs in London

AI/ML Data Science Developer Start: ASAP Duration: 6-12 months Location: 2-3 days on site in Stevenage Pay: inside IR35, up to £510 per day We're seeking an experienced Senior AI/ML Developer to join an innovative team shaping next-generation solutions in the Telecoms sector. Key Responsibilities - Design, build and deploy AI …/ML models, including LLMs and generative AI - Perform data exploration, feature engineering, and model optimisation - Apply supervised, unsupervised, and reinforcement learning algorithms - Conduct large-scale data analysis across structured and unstructured sources - Develop statistical and predictive models to drive business insights - Productionise models and monitor performance, identifying drift and retraining needs - Integrate AI/ML … AI/ML advancements and best practices - Collaborate with cross-functional teams and support junior staff Your Profile Essential: - 5+ years' experience in AI/ML development and data science - Strong grasp of ML/AI algorithms, including LLMs and automated AI systems - Proficient in Python or R and key frameworks (TensorFlow, PyTorch, scikit-learn) - Skilled in handling More ❯

Artificial Intelligence Engineer/Data Scientist £50k - £90k dependant on experience bonus good bens. Flexible Working Location opportunity. This role may suit individuals who have previously held roles such as Data Engineer, Data Architect, Big Data Consultant, Data Scientist, Data Modeller, Big Data Analyst, or AI … Engineer. We are assisting in recruiting AI Engineers/Data Scientists to join an innovative and growing team within the data practice of a prestigious global technology consulting firm. The client offers excellent career growth, professional development, and a personalized benefits package. Candidates must ideally have UK security clearance and be fully flexible regarding working location. … The successful candidate will be a key team member designing modern analytical data solutions, engaging in the full project lifecycle. The role offers a diverse range of exciting work. Key Skills We are recruiting at various levels within the salary range, so candidates are not expected to be experienced in all areas listed below. AI techniques (supervised and More ❯

be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from In Technology Group Head of Data, BI, and AI @ In Technology Group. Job Title: Machine Learning Engineer Our Data Analytics business continues to grow and we are now looking for an experienced and … provide wider ranging support to insurance companies in the life and bulk annuities sector. The Team The client is a specialist and multi-disciplinary team consisting of actuaries, data scientist and developers. Our role in this mission is to pioneer advancements in the field of pensions and beyond, leveraging state-of-the-art technology to extract valuable and … designing, deploying, maintaining and refining statistical and machine learning models using Azure ML. Optimize model performance and computational efficiency. Ensure that applications run smoothly and handle large-scare data efficiently. Implement and maintain monitoring of model drifts, data-quality alerts, scheduled r-training pipelines. Data Management and Preprocessing. Collect, clean and preprocess large datasets More ❯

About Jaja Our Mission: Empowering our customers to buy, borrow, and build-driven by tech, fuelled by data, and built for the future. Our Company Values : C are Deeply, Adapt & Thrive, Challenge everything, Go for it! Own it, Make it Simple Jaja is an innovative UK based consumer finance business, leading initially with a digital credit card launched … in a growing business on a mission to change the face of the consumer finance industry forever . About The Role Jaja Finance is looking for a Senior Data Scientist to join our team. Your role will span across the whole lifecycle of model development. That means you are someone who enjoys in equal measures the data … ll develop and deploy machine learning models that power real-world decisions - from underwriting to fraud detection to optimise customer conversion. This is an end-to-end role: data wrangling, model development, evaluation, and performance monitoring. As a Data Scientist, you'll play a key role in the end-to-end lifecycle of our advanced machine More ❯

About Us : IWSR is the global authority on beverage alcohol data and intelligence. For over 50 years, IWSR has been trusted by the leaders of global beverage alcohol businesses as an integral part of their strategic planning and decision-making processes. We uniquely combine our proprietary longitudinal market data, consumer insights and AI-enhanced data … science, with valuable on-the-ground human intelligence in 160 markets worldwide, to decipher what is really happening in the global beverage alcohol market. With access to our data, clients from across the drinks industry, including multinational spirits, beer, and wine businesses; packaging and ingredient manufacturers; distributors; and financial institutions, plan their strategies and future investment with a … reliable, consistent and complete understanding of the global landscape. Role Overview: IWSR is expanding its Forecasting, Analytics and Modelling capabilities and seeks a Data Scientist as part of its growing team of data scientists and econometricians. This team is responsible for the production of forecasts and analyticsin collaboration with IWSR's research team. The candidate will More ❯

Job Title: Machine Learning Engineer Location: London (1 days per week onsite) – Flexible Salary: £45,000 DOE + Benefits Our Data Analytics business continues to grow and we are now looking for an experienced and technical Machine Learning (ML) Engineer to join one our offices with hybrid or remote UK working. This is an exciting role and would … provide wider ranging support to insurance companies in the life and bulk annuities sector. The Team The client is a specialist and multi-disciplinary team consisting of actuaries, data scientist and developers. Our role in this mission is to pioneer advancements in the field of pensions and beyond, leveraging state-of-the-art technology to extract valuable and … designing, deploying, maintaining and refining statistical and machine learning models using Azure ML. Optimize model performance and computational efficiency. Ensure that applications run smoothly and handle large-scare data efficiently. Implement and maintain monitoring of model drifts, data-quality alerts, scheduled r-training pipelines. Data Management and Preprocessing. Collect, clean and preprocess large datasets More ❯

Job Title: Machine Learning Engineer Location: London (1 days per week onsite) - Flexible Salary: £45,000 DOE + Benefits Our Data Analytics business continues to grow and we are now looking for an experienced and technical Machine Learning (ML) Engineer to join one our offices with hybrid or remote UK working. This is an exciting role and would … provide wider ranging support to insurance companies in the life and bulk annuities sector. The Team The client is a specialist and multi-disciplinary team consisting of actuaries, data scientist and developers. Our role in this mission is to pioneer advancements in the field of pensions and beyond, leveraging state-of-the-art technology to extract valuable and … designing, deploying, maintaining and refining statistical and machine learning models using Azure ML. Optimize model performance and computational efficiency. Ensure that applications run smoothly and handle large-scare data efficiently. Implement and maintain monitoring of model drifts, data-quality alerts, scheduled r-training pipelines. Data Management and Preprocessing. Collect, clean and preprocess large datasets More ❯

Job Title: Machine Learning Engineer Location: London (1 days per week onsite) - FlexibleSalary: £45,000 DOE + Benefits Our Data Analytics business continues to grow and we are now looking for an experienced and technical Machine Learning (ML) Engineer to join one our offices with hybrid or remote UK working. This is an exciting role and would most … provide wider ranging support to insurance companies in the life and bulk annuities sector. The Team The client is a specialist and multi-disciplinary team consisting of actuaries, data scientist and developers. Our role in this mission is to pioneer advancements in the field of pensions and beyond, leveraging state-of-the-art technology to extract valuable and … designing, deploying, maintaining and refining statistical and machine learning models using Azure ML. Optimize model performance and computational efficiency. Ensure that applications run smoothly and handle large-scare data efficiently. Implement and maintain monitoring of model drifts, data-quality alerts, scheduled r-training pipelines. Data Management and Preprocessing. Collect, clean and preprocess large datasets More ❯

is to create a vibrant place to work where difference is recognised as a strength and where talented people can flourish and achieve their highest potential . Our Data Analytics business continues to grow and we are now looking for an experienced and technical Machine Learning (ML) Operations Engineer to join one our offices with hybrid or remote … is to create a vibrant place to work where difference is recognised as a strength and where talented people can flourish and achieve their highest potential . Our Data Analytics business continues to grow and we are now looking for an experienced and technical Machine Learning (ML) Operations Engineer to join one our offices with hybrid or remote … it’s about ensuring everyone has a voice and feels valued. Because they are. The Team XPS Analytics is a specialist and multi-disciplinary team consisting of actuaries, data scientist and developers. Our role in this mission is to pioneer advancements in the field of pensions and beyond, leveraging state-of-the-art technology to extract valuable and More ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £35,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and … apply their academic expertise to solving real-world challenges—whether it’s predicting customer behaviour, optimising operations, or identifying patterns in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing … and building machine learning models to solve real-world problems Carrying out full data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A/B testing Presenting findings clearly to both technical and non-technical stakeholders More ❯

Junior Data Scientist – Master’s Graduate Role Location: London (Hybrid) Salary: £35,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and … apply their academic expertise to solving real-world challenges—whether it’s predicting customer behaviour, optimising operations, or identifying patterns in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing … and building machine learning models to solve real-world problems Carrying out full data science workflows: from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A/B testing Presenting findings clearly to both technical and non-technical stakeholders More ❯

UK (Cannot provide sponsorship) Join a leading UK consulting and administration business specialising in the pensions and insurance sectors. As an ML Ops Engineer in our Pensions Advisory - Data Analytics department, you will be at the forefront of developing and deploying machine learning models that enhance our consulting capabilities and client offerings. Day-to-day of the role … processes. Machine Learning Operations: Design, deploy, maintain, and refine statistical and machine learning models using Azure ML. Optimize model performance and ensure smooth application operations with large-scale data handling. Data Management and Preprocessing: Manage the collection, cleaning, and preprocessing of large datasets. Implement data pipelines and ETL processes to ensure data … code in Python. Implement CI/CD practices for version control, testing, and code review. Collaboration and Training: Work closely with various teams within the organisation to integrate data science findings into practical strategies. Provide training and support to team members on machine learning tools and analytical techniques. Research and Development: Stay updated with the latest trends and More ❯

Senior Data Scientist - Consumer Lending Hybrid working - London Offices Negotiable to £75,000 DEO + Benefits Reference - J12979 Our client is an innovative UK based consumer finance business, with a digital credit card launched in 2018, and a pipeline of consumer finance solutions in the making. They are on a mission to redefine the consumer finance experience and … to make a real impact in a growing business on a mission to change the face of the consumer finance industry forever. About The Role As a Senior Data Scientist your role will span across the whole lifecycle of model development. That means you are someone who enjoys in equal measures the data wrangling to compose … ll develop and deploy machine learning models that power real-world decisions - from underwriting to fraud detection to optimise customer conversion. This is an end-to-end role: data wrangling, model development, evaluation, and performance monitoring. As a Data Scientist, you'll play a key role in the end-to-end lifecycle of their advanced machine More ❯

Business Intelligence Engineer, Alexa Enterprise Data Job ID: Amazon Development Centre (India) Private Limited Want to transform the way people experience Alexa on Enterprise? Then come join the team that delivers the global experience on Alexa Enterprise. If you're passionate about building magical experiences for customers, while solving hard, complex technical problems, then this role is for … industry leading experiences across a growing array of Alexa supported devices and countries, all while being at the forefront of Generative AI and LLM capabilities The Alexa Enterprise Data org is seeking an experienced Business Intelligence Engineer who is a master of both data insights and relationship-building. Using a special combination of technical and people … liaison between Alexa audio feature owners and other partner teams. Primary areas of focus will be 1) defining metrics and KPIs, and 2) deep-diving ambiguous and large data sets. A successful candidate will be an expert with SQL, ETL (and general data wrangling) and have exemplary communication skills. The candidate will need to be a More ❯

and entrepreneurial environment. This global consultancy has offices in central London and a broad client base of blue-chip companies, operating across various sectors and industries. Within their data science and analytics team, you will provide expertise and structured thinking to develop innovative analytical solutions for complex business problems. The Role As part of an industry-leading Data and AI Advisory team, you'll collaborate with clients to enhance their data utilization, becoming more data-driven. This role offers the opportunity to work across diverse areas such as generative AI, user-centered design, machine learning, data visualization, data modeling and wrangling, and analytics governance. You will assist clients … in developing data products and models, deploying analytical tools, and scaling data capabilities. You will design data and intelligence products with stakeholders to translate analysis into insights that meet the data needs of senior leaders, impacting service delivery and consumers. The Individual To be successful, you should have: Experience with visualization projects More ❯

A global marketing-data organisation is upgrading the engine that matches millions of survey invitations to the right respondents. Your task: treat the matching pipeline as a full-scale optimisation problem and raise both accuracy and yield. Responsibilities Model optimisation - refactor and improve existing matching/segmentation models; design objective functions that balance cost, speed and data … SageMaker (moving to Azure ML); containerise code and hook into CI/CD. Monitoring & tuning - track drift, response quality and spend; implement automated retraining triggers. Collaboration - work with Data Engineering, Product and Ops teams to translate business constraints into mathematical formulations. Tech stack Python (pandas, NumPy, scikit-learn, PyTorch/TensorFlow) SQL (Redshift, Snowflake or similar) AWS SageMaker …/TensorFlow; clean, tested code. Cloud ML: hands-on with AWS SageMaker plus exposure to Azure ML; Docker, Git, CI/CD, Terraform. SQL mastery for heavy-duty data wrangling and feature engineering. Experimentation chops - offline metrics, online A/B test design, uplift analysis. Production mindset: containerise models, deploy via Airflow/ADF, monitor drift, automate retraining. More ❯

Data Scientist- Data Scientist - Journey Optimisation page is loaded Data Scientist- Data Scientist - Journey Optimisation Apply locations London time type Full time posted on Posted 8 Days Ago time left to apply End Date: June 27, 2025 (7 days left to apply) job requisition id JR0024 What will you be doing day … to-day? Use sophisticated statistical and machine learning techniques to identify new trends and relationships in data. Harvest, wrangle and prototype new data sources internally and external to NewDay to create new value for NewDay and our customers. Provide quality and detailed data science outputs, sharing and following up with as much detail as appropriate or … requested by senior managers. Develop knowledge of all relevant data resources within NewDay and in the wider Credit Industry. Governance: support the models throughout their lifecycle from conception, development, implementation, testing and monitoring, with the required level of documentation to follow internal procedures and standards. Your Skills and Experience ESSENTIAL At least a BSc or higher university degree More ❯

Senior Data Scientist - Optimisation (Contract) Outside IR35 | £400-450 per day | 3-month initial term | Hybrid London (2-3 days on-site) The brief A global marketing-data organisation is upgrading the engine that matches millions of survey invitations to the right respondents. Your task: treat the matching pipeline as a full-scale optimisation problem and … raise both accuracy and yield. Core responsibilities Model optimisation - refactor and improve existing matching/segmentation models; design objective functions that balance cost, speed and data quality. Experimentation - set up offline metrics and online A/B tests; analyse uplift and iterate quickly. Production delivery - build scalable pipelines in AWS SageMaker (moving to Azure ML); containerise code and … hook into CI/CD. Monitoring & tuning - track drift, response quality and spend; implement automated retraining triggers. Collaboration - work with Data Engineering, Product and Ops teams to translate business constraints into mathematical formulations. A typical day Morning stand-up: align on performance targets and new constraints. Data dive: explore panel behaviour in Python/SQL, craft More ❯

the world. You should be comfortable with ambiguity, enjoy building from scratch, and be able to tackle challenging issues efficiently. You thrive in triangulating insights with other quantitative data sources, such as experiment metrics, user logs, etc. and qualitative data inputs to tell compelling stories. As a part of the UX Researcher Team, you will be … and design teams, driving user-centered design and decision-making across the organization. You will deliver impactful research for major products or services, shaping our product strategy through data-driven insights. Key job responsibilities For this role we are looking for someone who can: Independently design and lead quant-focused UX research projects (survey design, implementation, statistical analysis … qualitative insights and turn them into compelling narratives and actionable recommendations that drive product improvements and business strategy Build mechanisms for regularly communicating insights leveraging strong writing and data visualization skills Influence decision-makers at all levels to act on insights, driving customer delight and business objectives and deliver well-structured and insightful written reports Drive research goals More ❯

Senior Data Scientist – Behavioural Credit Modelling Hybrid working – London offices Up to £75,000 DOE + Benefits Ref: J12979 Are you passionate about building behavioural models that power smarter, fairer credit decisions? We’re working with a UK-based consumer finance specialist that’s reshaping the credit industry, cutting out complexity and using data to drive … This is a genuine opportunity to make your mark in a high-growth business that’s reshaping credit from the inside out. About the Role As a Senior Data Scientist, you’ll take ownership across the full lifecycle of model development —from data wrangling and feature engineering to building and deploying ML models in production. Your … is a hands-on, end-to-end role where your skills in predictive modelling will make a real-world impact. You’ll be working with structured and unstructured data as part of a collaborative, agile team—developing intelligent solutions that support fair and effective credit decisions. We’re looking for someone who: Has a Bachelor’s degree in More ❯

Senior Data Scientist – Behavioural Credit Modelling Hybrid working – London offices Up to £75,000 DOE + Benefits Ref: J12979 Are you passionate about building behavioural models that power smarter, fairer credit decisions? We’re working with a UK-based consumer finance specialist that’s reshaping the credit industry, cutting out complexity and using data to drive … This is a genuine opportunity to make your mark in a high-growth business that’s reshaping credit from the inside out. About the Role As a Senior Data Scientist, you’ll take ownership across the full lifecycle of model development —from data wrangling and feature engineering to building and deploying ML models in production. Your … is a hands-on, end-to-end role where your skills in predictive modelling will make a real-world impact. You’ll be working with structured and unstructured data as part of a collaborative, agile team—developing intelligent solutions that support fair and effective credit decisions. We’re looking for someone who: Has a Bachelor’s degree in More ❯

mentor junior memebers) This role sits in the Tax team so previous experience within tax or auditing is preferred. We are looking for someone with strong experience in Data/Automation/Analytics to work at the cutting edge of digital transformation inside one of the UK's top advisory firms. ?? The Opportunity The Tax Technology team here … and this is your chance to be right at the heart of it. You'll join a specialist team that's reinventing how tax is delivered through automation, data analytics, and internal tools. From idea to execution, you'll help build tech-driven solutions that free up time, improve compliance, and change the game for teams across the … ll Be Doing Building out smart internal tools using Python , SQL , and Alteryx Working on end-to-end solution delivery from scoping ideas to full deployment Collaborating with Data Analysts, Power BI experts, and Tax SMEs to bring solutions to life Helping upskill non-tech stakeholders across the Tax team Digging into processes, spotting inefficiencies, and automating the More ❯

mentor junior memebers)This role sits in the Tax team so previous experience within tax or auditing is preferred. We are looking for someone with strong experience in Data/Automation/Analytics to work at the cutting edge of digital transformation inside one of the UK's top advisory firms. The Opportunity The Tax Technology team here … and this is your chance to be right at the heart of it. You'll join a specialist team that's reinventing how tax is delivered through automation, data analytics, and internal tools. From idea to execution, you'll help build tech-driven solutions that free up time, improve compliance, and change the game for teams across the … ll Be Doing Building out smart internal tools using Python , SQL , and Alteryx Working on end-to-end solution delivery from scoping ideas to full deployment Collaborating with Data Analysts, Power BI experts, and Tax SMEs to bring solutions to life Helping upskill non-tech stakeholders across the Tax team Digging into processes, spotting inefficiencies, and automating the More ❯

About BMLL We are the leading independent provider of harmonised Level 3 historical data and analytics to the world's most sophisticated capital market participants. BMLL offers banks, brokers, asset managers, hedge funds and global exchange groups immediate and flexible access to the most granular Level 3, T+1 order book data and advanced analytics, enabling them … or visit our or About the Role BMLL Vantage is the market leading product for visualisation of financial time-series data. Every day we consume 250GB of new data across 750,000 securities to deliver into our platform, our data services and our visual products. In Vantage users can perform in-browser visualisations of more than … 1TB of trading analytics. We are seeking a skilled Software Engineer to enhance and expand the product. This role involves building pixel-perfect, interactive, rich-feature, high-performance data visualization dashboards using React, TypeScript, and cutting-edge visualization libraries such as D3.js and Highcharts. You'll collaborate closely with the backend team, data engineers, data More ❯

designing, deploying, maintaining and refining statistical and machine learning models using Azure ML. Optimize model performance and computational efficiency. Ensure that applications run smoothly and handle large-scare data efficiently. Implement and maintain monitoring of model drifts, data-quality alerts, scheduled r-training pipelines. Collect, clean and preprocess large datasets to facilitate analysis and model training. … Implement data pipelines and ETL processes to ensure data availability and quality. Write clean, efficient and scalable code in Python. Utilize CI/CD practices for version control, testing and code review. ML Ops Engineer Skills Required: Experience in designing, building, optimising, deploying and managing business-critical machine learning models using Azure ML in Production environments. … Experience in data wrangling using Python, SQL and ADF Experience in CI/CD and DevOps/MLOps and version control Familiarity with data visualization and reporting tools, ideally PowerBI Experience in the pensions or similar regulated financial services industry Due to the volume of applications received for positions, it will not be possible to respond More ❯