76 to 100 of 302 Data Structures Jobs in the UK

We are looking for a Data Administrator to work for about 4-6 weeks however you could also apply for the role on a permanent basis paying £28k PA. Key Responsibilities Data Cleansing & Validation Identify and correct errors or inconsistencies in datasets. Ensure data integrity across multiple systems and sources. Maintain documentation of data quality issues … and resolutions. Data Modelling Develop and maintain data models to support reporting and analysis. Collaborate with stakeholders to understand data requirements and translate them into structured models. Optimise data structures for performance and scalability. Reporting & Insights Produce weekly and monthly reports on contract outcomes, including KPIs, trends, and performance metrics. Present findings in a clear … ad-hoc reporting requests and deep-dive analysis as required. Stakeholder Collaboration Work closely with operational teams, finance, and contract managers to ensure reporting aligns with business needs. Provide data-driven recommendations to improve contract performance and operational efficiency. For more information about the client or the role please do call the Norwich office of Reed and ask for More ❯

Data Analyst Up to £55,000 Hybrid - Manchester (2x days in the office) We are seeking a proactive Data Analyst who can make an immediate impact and add value from day one. This isn’t a leadership role, but it plays a crucial part in how the business measures, understands, and improves its data products. The successful … candidate will work closely with stakeholders across the organisation, helping shape ideas and answer open-ended questions with clear, data-driven insights. You’ll be the person who digs into the numbers, identifies trends, and presents findings that directly influence smarter business decisions. Day-to-day responsibilities may include analysing churn metrics, monitoring server performance, exploring how VPNs affect … user experience, and supporting compliance through robust reporting. You’ll also work with marketing and media data, uncovering performance drivers and presenting insights confidently to both internal teams and external clients. Requirements: 2+ years’ experience in a data analyst or similar role Strong SQL skills with the ability to navigate complex data structures Excellent communication skills More ❯

We are looking for an experienced Pensions Implementation Technician to join a leading Pensions Consultancy, working on complex and high-profile data projects. In this role, you will use your expertise in Pensions data, SQL, and relational databases to design and implement technology-driven solutions that resolve client challenges. You will be involved in transferring and transforming data across Pension Administration platforms, supporting large-scale rectification and correction projects. Key responsibilities include: Designing, developing and implementing tools and processes for Pensions data projects Reviewing and improving data structures across DB Administration platforms Supporting data migration, cleansing, and rectification exercises Collaborating with colleagues and clients to resolve complex data challenges Reviewing technical work … to ensure accuracy and best practice What we’re looking for: Strong technical knowledge of DB Pensions Administration platforms Advanced SQL and database management skills Proficiency in Excel and data manipulation Experience with data audits, migrations, or rectification projects Strong communication skills and ability to explain complex issues clearly A proactive, self-starter approach with the ability to More ❯

Data scientist, Machine learning engineer Clients include Meta, Spotify, X, with 19 clients and a 21% rebook rate. Rated 5.0 based on 8 reviews. Experience 2023-Present: Spotify, Machine Learning Engineering Manager, London 2022-23: Twitter, Senior Machine Learning Engineer, London 2018-21: Facebook, Senior Research Data Scientist, London 2016-18: Data Scientist, Amsterdam I am a … former Meta Senior Research Data Scientist with experience in eCommerce, applied statistics, data center optimization, and instrumentation. Currently, I am a Senior Machine Learning Engineer at a major social media network. Services Job application assistance Interview coaching (over 50 interviews conducted for Meta, coaching more than 10 individuals) Career coaching Skills & Mentoring I can mentor in: Technical communication … cross-functional collaboration, performance reviews, managing up Python, data structures, machine learning, LLM fine-tuning, observability, large-scale ML deployments Availability times are shown in your local timezone. Reviews Recent reviews highlight the effectiveness of coaching sessions in ML system design, behavioral interview preparation, career guidance, and interview resource provision, with clients expressing high satisfaction and confidence gains. More ❯

BI Engineer - Contract Role Description:with knowledge of GCP Looker Core)The Data & Analytics team within this Commercial Banking area is seeking a Business Intelligence Expert to help with the design, development, and optimization of data visualization and analytics solutions using Google Cloud's Looker Core. we are looking for a highly adaptable and resourceful professional who can … pivot, learn, and master new tools and techniques while contributing to broader BI and data analytics initiatives. Key Responsibilities: * Develop & Optimize BI Solutions - Build interactive dashboards, reports, and data models in Looker Core to drive business insights.* Work with Stakeholders - Collaborate with commercial banking teams, analysts, and data engineers to understand business needs and translate them into … effective BI solutions.* Adapt & Learn - Stay ahead of GCP tools and services , cloud developments and best practices, continuously upskilling as required.* Data Modeling & Query Optimization - Design scalable data structures and optimize performance within Google Cloud Platform (GCP) and BigQuery.* Documentation & Knowledge Sharing - Develop best practices, training materials, and internal guides to drive adoption of Looker Core across More ❯

Data Engineer I am working with a leading, AI driven organisation that supports its clients' marketing campaigns, expanding its data engineering capabilities and looking for a Data Engineer to join their team. This is a fantastic opportunity to join an award-winning tech business where you will have the opportunity to work at the forefront of data … members of the technical team whilst leading innovative technical projects. As part of this role, you will be responsible for some of the following areas: Design and build distributed data pipelines using languages such as Spark, Scala, and Java Collaborate with cross-functional teams to deliver user-centric solutions Lead on the design and development of relational and non … relational databases Apply Gen AI tools to boost development speed and code quality Maintain and optimise large-scale data collection processes Support the deployment of machine learning models into production To be successful in the role you will have: Creating scalable ETL jobs using Scala and Spark Strong understanding of data structures, algorithms, and distributed systems Experience More ❯

Data Engineer Reference: (phone number removed) Umbrella Rate: £30.42/hr (Inside IR35) Are you ready to elevate your career as a Data Engineer? This is your chance to join a forward-thinking company that s revolutionising customer experience through cutting-edge technology. This role offers you the opportunity to work on innovative projects, modernising data infrastructure … and enabling data-driven decision-making. With hybrid working arrangements and exposure to advanced cloud-based tools, this position is perfect for someone looking to make a meaningful impact while enjoying flexibility and professional growth. What You Will Do: • Design, build, and maintain scalable data pipelines and ETL processes to enhance customer service operations. • Migrate and modernise legacy … data systems to cloud-based solutions for improved performance and accessibility. • Integrate data from CRM systems and customer touchpoints into cloud platforms for unified analysis. • Ensure data quality, consistency, and availability to support reporting and analytics. • Collaborate with Data Analysts to deliver actionable insights and support proactive customer engagement strategies. • Implement data solutions using Google More ❯

Data Engineer Reference: (phone number removed) Umbrella Rate: £30.42/hr (Inside IR35) Are you ready to elevate your career as a Data Engineer? This is your chance to join a forward-thinking company that’s revolutionising customer experience through cutting-edge technology. This role offers you the opportunity to work on innovative projects, modernising data infrastructure … and enabling data-driven decision-making. With hybrid working arrangements and exposure to advanced cloud-based tools, this position is perfect for someone looking to make a meaningful impact while enjoying flexibility and professional growth. What You Will Do: • Design, build, and maintain scalable data pipelines and ETL processes to enhance customer service operations. • Migrate and modernise legacy … data systems to cloud-based solutions for improved performance and accessibility. • Integrate data from CRM systems and customer touchpoints into cloud platforms for unified analysis. • Ensure data quality, consistency, and availability to support reporting and analytics. • Collaborate with Data Analysts to deliver actionable insights and support proactive customer engagement strategies. • Implement data solutions using Google More ❯

replicate industry-standard performance metrics, ensuring alignment with market benchmarks and regulatory expectations Maintain and enhance a core suite of Management Information (MI) and Business Intelligence (BI) reports, supporting data-driven decision-making across the business Develop a deep understanding of system data structures and relationships, enabling efficient data extraction and integration across multiple platforms using … advanced query techniques Deliver accurate, high-quality reporting under tight deadlines, ensuring stakeholders receive timely and reliable insights Technical Skills & Experience Proven experience in developing reports, dashboards, and system data extracts, delivering actionable insights to support operational and strategic decision-making Advanced proficiency in corporate reporting tools, including Tableau, Excel, Alteryx, Power BI, and Databricks, with a strong ability … to design and automate data workflows Solid working knowledge of SQL, capable of writing intermediate-level queries for data extraction, transformation, and analysis Expert-level user of Microsoft Office applications, with particular strength in Excel, Word, and PowerPoint for data presentation and documentation Strong communication and stakeholder engagement skills, able to translate complex data into clear More ❯

take your career to the next level in the exciting world of finance? Our client, a leading organisation in the financial sector, is seeking a talented Microsoft SQL DBA & Data Developer to join their dynamic Data Services team. This is an incredible opportunity to make a significant impact on data environments, drive transformation, and innovate within a … supportive and flexible work culture! Position: Microsoft SQL DBA & Data Developer Contract Type: Permanent Annual Salary: £45,000 - £52,000 Working Pattern: Full Time Location: Leicester/Hybrid Working Available Job Purpose: As a Microsoft DBA & Data Developer, this role will be 70 percent DBA and 30 percnet Development. You will be at the heart of maintaining and … evolving my client's data environments, both traditional MS SQL Server and cutting-edge Azure Data Services. You'll manage system security, support data delivery projects, and engage in transformative initiatives that shape the future of data. Key Responsibilities: Oversee daily management and maintenance of data systems. Ensure robust data system security and patching. Support More ❯

if you would like to help us prevent crime and protect the world's biggest online businesses. The Team You will be joining the Detection team, a team of data scientists and machine learning engineers. The Detection team is responsible for keeping fraud rates low - and clients happy - by continuously training and deploying machine learning models. We aim to … error-free as code deployments. Google's Best Practices for ML Engineering is our bible. Our models are trained to spot multiple types of fraud, using a variety of data sources and techniques in real time. The prediction pipelines are under strict SLAs; every prediction must be returned in under 300ms. When models are not performing as expected, it … s down to the Detection team to investigate why. The Detection team is core to Ravelin's success. They work in a deeply collaborative partnership with the Data Engineering team to design the data architecture and infrastructure that powers our ML systems. The Role We are looking for a Senior Machine Learning Engineer to join our Detection team. More ❯

Senior Data Engineer (AI & MLOps) - Software - Newcastle/Hybrid or Remote Day rate: £300 - £500 (Inside IR35) Duration: 6 months Start: ASAP My new client is looking for a Senior Data Engineer with expertise in AI, MLOps, and AWS architecture to design and deliver production-grade machine learning pipelines. The ideal candidate will be passionate about bridging the … gap between data science experimentation and scalable production systems, driving automation, and enabling faster innovation cycles. Key Responsibilities Architect, build, and maintain production-grade ML Ops pipelines to automate deployment, monitoring, and scaling of machine learning models. Collaborate with data scientists and ML engineers to reduce time-to-production for experiments and prototypes. Design and optimize data … SageMaker, RDS, DynamoDB, Redshift, etc.) to build robust, scalable, and cost-effective solutions. Apply AIOps practices to enhance monitoring, automation, and resilience of ML systems. Implement best practices in data engineering, version control, CI/CD, and infrastructure as code. Ensure the security, reliability, and compliance of data pipelines and deployed ML solutions. Mentor junior engineers and contribute More ❯

if you would like to help us prevent crime and protect the world's biggest online businesses. The Team You will be joining the Detection team, a team of data scientists and machine learning engineers. The Detection team is responsible for keeping fraud rates low - and clients happy - by continuously training and deploying machine learning models. We aim to … error-free as code deployments. Google's Best Practices for ML Engineering is our bible. Our models are trained to spot multiple types of fraud, using a variety of data sources and techniques in real time. The prediction pipelines are under strict SLAs; every prediction must be returned in under 300ms. When models are not performing as expected, it … s down to the Detection team to investigate why. The Detection team is core to Ravelin's success. They work in a deeply collaborative partnership with the Data Engineering team to design the data architecture and infrastructure that powers our ML systems. This close alignment ensures our models are built on a foundation of high-quality, reliable, and More ❯

Senior Software Engineer, Pricing and Derived Data Senior Software Engineer, Pricing and Derived Data Job Location London Employment type Regular Department Technology Targeted Start Date Immediate DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability … DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are looking to hire a Senior Software Engineer into the Pricing and Derived Data team. We are responsible for building foundational APIs and data services to price all products and related products that the firm may trade, using market and derived data. … the firm. Our systems are used across the organisation by Trading Desk leads, Global Risk Management, and Senior Leadership. We collect, transform, aggregate and disseminate pricing and related derived data, such as: Commodity Price and Yield Curves - Mark-to-market, and Mark-to-model settlement prices Option sensitivities ('greeks') and fixed-income sensitivities like DV01s and BPVs. Proprietary pricing More ❯

shape the future of real estate technology. Role Responsibilities Architect, build, and optimise scalable ETL pipelines for diverse datasets. Onboard, document, and curate external datasets for internal use. Perform data validation, forensic analysis, and troubleshooting. Deliver high-quality, maintainable Python code and participate in peer reviews. Collaborate with stakeholders and researchers to support analytics and product development. Integrate data from APIs, S3 buckets, and structured/unstructured sources (JSON, CSV, Excel, PDF, Parquet). Join geospatial datasets with external data sources and apply complex transformations. Define validated data schemas and create clear documentation for partners and teams. Explore and evaluate new data engineering tools and technologies. Role Requirements 5+ years' experience in data engineering … analytics, or related roles. Strong proficiency in Python, with demonstrated experience on large-scale projects. Solid understanding of algorithms, data structures, and relational databases. Experience with test-driven development and Git version control. Portfolio of past work (GitHub contributions, open-source, blogs, or demos). Knowledge of data cleansing, validation, and basic statistics. Background in working with More ❯

shape the future of real estate technology. Role Responsibilities Architect, build, and optimise scalable ETL pipelines for diverse datasets. Onboard, document, and curate external datasets for internal use. Perform data validation, forensic analysis, and troubleshooting. Deliver high-quality, maintainable Python code and participate in peer reviews. Collaborate with stakeholders and researchers to support analytics and product development. Integrate data from APIs, S3 buckets, and structured/unstructured sources (JSON, CSV, Excel, PDF, Parquet). Join geospatial datasets with external data sources and apply complex transformations. Define validated data schemas and create clear documentation for partners and teams. Explore and evaluate new data engineering tools and technologies. Role Requirements 5+ years' experience in data engineering … analytics, or related roles. Strong proficiency in Python, with demonstrated experience on large-scale projects. Solid understanding of algorithms, data structures, and relational databases. Experience with test-driven development and Git version control. Portfolio of past work (GitHub contributions, open-source, blogs, or demos). Knowledge of data cleansing, validation, and basic statistics. Background in working with More ❯

Geospatial Data Engineer Location: Remote Working (UK-based) Contract Length: 3 months initially Daily Rate: Market Rates (Outside IR35) The Opportunity: We are seeking an experienced FME specialist to support our client’s engineering team in delivering advanced geospatial solutions for suitability modelling. You will play a key role in evolving their existing ArcGIS Pro and FME-based workflows … helping our client to migrate from traditional vector-based geoprocessing to a grid/hexagonal data model for suitability analysis. This is a contract role for an initial 3 months for an experienced practitioner who can quickly add value, working collaboratively with their in-house engineers while bringing specialist FME development and optimisation expertise. Candidates must be comfortable working … grid/hex framework for improved scalability and analytical flexibility. Skills and Experience: Proven experience delivering complex FME workflows in production environments. Strong knowledge of geoprocessing methods and spatial data structures, including vector, raster and gridded/hexagonal approaches. Familiarity with suitability modelling or spatial multi-criteria analysis (SMCA) highly desirable. Hands-on experience integrating FME with Esri More ❯

Below are the details of the position: Job Title: Business Intelligence Analyst (HR Data) Work Location: Maidenhead, UK (Hybrid) Job Description: We are seeking a skilled Business Intelligence (BI) Analyst with a strong background in HR data analysis to join our team in Maidenhead, UK. In this role, you will play a key part in transforming complex HR … data into meaningful insights that support strategic decision-making across the organization. Key Responsibilities: Work with HR data sets to deliver actionable insights and reports to business stakeholders. Collaborate with engineering teams to understand source systems and data structures. Develop and maintain dashboards and visualizations using Sisense or Power BI. Write efficient SQL/T-SQL queries … to extract and manipulate data. Support data modelling and contribute to data warehousing efforts. Participate in ETL processes; experience with SSIS is a plus. Communicate findings clearly and effectively to non-technical audiences. Influence decision-making through data-driven storytelling. Key Requirements: Minimum 5 years of experience in BI/Data Analysis, preferably with HR data More ❯

Below are the details of the position: Job Title: Business Intelligence Analyst (HR Data) Work Location: Maidenhead, UK (Hybrid) Job Description: We are seeking a skilled Business Intelligence (BI) Analyst with a strong background in HR data analysis to join our team in Maidenhead, UK. In this role, you will play a key part in transforming complex HR … data into meaningful insights that support strategic decision-making across the organization. Key Responsibilities: Work with HR data sets to deliver actionable insights and reports to business stakeholders. Collaborate with engineering teams to understand source systems and data structures. Develop and maintain dashboards and visualizations using Sisense or Power BI. Write efficient SQL/T-SQL queries … to extract and manipulate data. Support data modelling and contribute to data warehousing efforts. Participate in ETL processes; experience with SSIS is a plus. Communicate findings clearly and effectively to non-technical audiences. Influence decision-making through data-driven storytelling. Key Requirements: Minimum 5 years of experience in BI/Data Analysis, preferably with HR data More ❯

Data Warehouse Developer - Contract Location: London (Hybrid) Contract: 6 months (Initially) Day Rate: £550 (A day) IR35: Outside We're seeking an experienced Data Warehouse Developer to maintain, enhance, and develop our enterprise data warehouse. You'll work closely with the Business Intelligence (BI) team to deliver reliable data for strategic reporting and dashboards. Key Responsibilities … Design, develop, and support ETL processes using SAP Data Services . Build and maintain high-quality, well-documented data structures. Ensure reliability, data integrity, and performance across the warehouse. Collaborate with BI and IT teams to integrate new data sources and deliver new reporting capabilities. Coach and mentor colleagues, promoting best practice and continuous improvement. Skills … Experience Strong knowledge of SAP Data Services and data warehousing best practices. Experience designing data marts/warehouses using Kimball dimensional modelling . Proficiency in ETL design, SQL development (Microsoft SQL Server; Oracle a plus). Background working in multi-developer teams with code branching/merging and promotion across environments. Excellent problem-solving and communication skills More ❯

Data Warehouse Developer - Contract Location: London (Hybrid) Contract: 6 months (Initially) Day Rate: £550 (A day) IR35: Outside We're seeking an experienced Data Warehouse Developer to maintain, enhance, and develop our enterprise data warehouse. You'll work closely with the Business Intelligence (BI) team to deliver reliable data for strategic reporting and dashboards. Key Responsibilities … Design, develop, and support ETL processes using SAP Data Services . Build and maintain high-quality, well-documented data structures. Ensure reliability, data integrity, and performance across the warehouse. Collaborate with BI and IT teams to integrate new data sources and deliver new reporting capabilities. Coach and mentor colleagues, promoting best practice and continuous improvement. Skills … Experience Strong knowledge of SAP Data Services and data warehousing best practices. Experience designing data marts/warehouses using Kimball dimensional modelling . Proficiency in ETL design, SQL development (Microsoft SQL Server; Oracle a plus). Background working in multi-developer teams with code branching/merging and promotion across environments. Excellent problem-solving and communication skills More ❯

seeking a talented and driven Quantitative Developer to join our team, working directly with Equity Portfolio Managers. This role will focus on developing and optimizing quantitative models, tools, and data pipelines to assist portfolio managers in making informed investment decisions. The ideal candidate will be proficient in Python and have experience working with data structures like Pandas … to enhance portfolio analysis, risk management, and trading strategies. Design, implement, and optimize quantitative models to analyze large datasets and derive actionable insights for equity portfolios. Build and maintain data pipelines, ensuring data accuracy, reliability, and scalability. Use Python (and related libraries such as Pandas, NumPy, etc.) to develop and automate tasks, backtest strategies, and optimize performance. Work … with portfolio managers to create tools for portfolio construction, risk analysis, and scenario modeling. Ensure seamless integration of various data sources, both internal and external, into the development environment. Troubleshoot and resolve technical issues as they arise, ensuring that code is clean, well-documented, and performs efficiently. Contribute to continuous improvement and innovation in quantitative models and portfolio management More ❯

seeking a talented and driven Quantitative Developer to join our team, working directly with Equity Portfolio Managers. This role will focus on developing and optimizing quantitative models, tools, and data pipelines to assist portfolio managers in making informed investment decisions. The ideal candidate will be proficient in Python and have experience working with data structures like Pandas … to enhance portfolio analysis, risk management, and trading strategies. Design, implement, and optimize quantitative models to analyze large datasets and derive actionable insights for equity portfolios. Build and maintain data pipelines, ensuring data accuracy, reliability, and scalability. Use Python (and related libraries such as Pandas, NumPy, etc.) to develop and automate tasks, backtest strategies, and optimize performance. Work … with portfolio managers to create tools for portfolio construction, risk analysis, and scenario modeling. Ensure seamless integration of various data sources, both internal and external, into the development environment. Troubleshoot and resolve technical issues as they arise, ensuring that code is clean, well-documented, and performs efficiently. Contribute to continuous improvement and innovation in quantitative models and portfolio management More ❯

London, England, United Kingdom Software and Services Description The Apple Services Engineering - Music Data Engineering team is responsible for collecting, analyzing, and reporting on insights on how Apple's customers engage with our Apple Music product. To achieve this, we're developing data processing and analytics applications operating at true cloud scale. You will be working on a … solutions to problems. The ideal candidate pays close attention to details, but also keeps sight of the bigger picture. Minimum Qualifications Strong understanding of foundational computer science algorithms and data structures Experience building API services with a JVM based language - Java, Scala or Kotlin Conceptual understanding of SQL with a view to becoming an expert BS degree in … Computer Science or meaningful relevant work experience Preferred Qualifications Experience with large scale data platform infrastructure such as Spark, Flink, HDFS, AWS/S3, Parquet, Kubernetes is a plus More ❯

manipulation and format conversion YOLO object detection frameworks Core Python Skills Proficiency in Python 3.9+ with understanding of object-oriented programming, decorators, context managers, and async/await patterns Data structures and algorithms for efficient data processing and model optimization Error handling and debugging using try-catch blocks, logging, and debugging tools Data Processing Pandas and … NumPy for data manipulation, cleaning, and numerical operations SQLAlchemy or psycopg2 for database connectivity and ORM operations Boto3 for AWS service integration and automation AWS (working within Technical Lead's architecture) Lambda function development with proper event handling and response formatting S3 operations including multipart uploads, presigned URLs, and event notifications CloudWatch logging and metrics for monitoring and debugging …/ML Technologies Custom model architecture design and implementation Advanced fine-tuning techniques including LoRA, QLoRA, and parameter-efficient methods Multi-modal AI systems combining text, image, and structured data Reinforcement Learning from Human Feedback (RLHF) for model alignment Production ML Systems Apache Airflow/Dagster for ML workflow orchestration and ETL pipeline management Model versioning and experiment tracking More ❯