1 to 25 of 171 Data Structures Jobs in London

Data Analyst, Power BI | Investment Management - Trading Platform | London, Hybrid | up to £110k + Bonus, Benefits A leading global asset manager, responsible for assets under management across liability driven investment (LDI), cashflow-driven investing (CDI) and longevity hedging, currency management, fixed income, absolute return, multi-asset and specialist investment strategies. Is looking to add to their Data team … by hiring a Data Analyst, coming from a financial services/Trading House background with knowledge around Risk, regulations, Compliance, Trade Surveillance etc... The Data Analyst will join the Data Centre of Excellence, encompassing Data Analysis, Data Architecture, Data Intelligence and Machine Learning experts. This Data team helps the Investment Management House make … use of their data to help make investment and risk decisions. As a Data analyst you will be responsible for proactively managing aspects of the data acquisition and commercial lifecycle to create P&L impacting value for the investment business. Specifically within compliance, understanding the data needed from the business to make decisions, bridging the gap More ❯

services using modern software engineering practices (CI/CD, testing, observability, cloud-native design). Define and implement foundational platforms and tools (e.g., conversational bots, AI-powered search, unstructured data processing, GenBI) that are reusable and scalable across the enterprise. Participate in cross functional team initiativesembedded projects with business stakeholdersto rapidly build and deploy AI solutions that solve high … priority business problems. Evaluate and integrate existing AI tools, frameworks, and APIs (e.g., LLMs, vector DBs, retrieval-augmented generation, AI agents) into robust applications. Champion automation in workflowsfrom data management ingestion and preprocessing to evaluation, to model integration and deployment. Collaborate with data scientists, product managers, and other engineers to ensure end-to-end delivery and reliability of … AI agents and systems built around them. Experience using GenAI frameworks such as LlamaIndex, Crew AI, AutoGen, or similar agentic/LLM orchestration toolkits. Exposure to working with unstructured data (documents, conversations, images) and transforming it into usable structured formats. Experience building chatbots, search systems, or generative AI interfaces. Background in working within platform engineering or internal developer tools More ❯

Key Responsibilities: Requirement Gathering and Business Alignment o Collaborate with business stakeholders across logistics and other departments to understand analytical needs and operational goals. o Translate business requirements into data requirements, ensuring clarity and feasibility for implementation. o Act as a bridge between business teams and technical teams to ensure alignment on KPIs, metrics, and data logic. Data Exploration and Identification o Identify and extract the most relevant data from Snowflake to support business questions and performance tracking. o Conduct exploratory data analysis to uncover trends, anomalies, and opportunities for improvement in logistics operations. Data Modelling and Metric Logic o Design and maintain scalable data models that reflect logistics processes and support cross … applications. Collaboration on Dashboard Development o Work closely with Qlik Developers to co-design dashboards that are intuitive, responsive, and aligned with business goals. o Provide analytical input on data structure, metric definitions, and visualization logic to enhance dashboard effectiveness. o Validate that visualizations accurately reflect underlying data and business logic. Data Quality and Validation o Ensure More ❯

If you are an SC Cleared (must be live) Data Modeller we have a new contract we would like to discuss with you. Please note thios role has been deemed INSIDE IR35 and requires one day per week onsite. The Senior Data Modeller will design and maintain conceptual, logical, and physical data models across the organisation. They … will work closely with business users and subject matter experts to ensure alignment between business needs, regulatory requirements, and enterprise data architecture standards. The ideal candidate will have a strong understanding of data modelling best practices, experience with data modelling tools such as ERWIN, and proven ability to engage effectively with both technical and non-technical stakeholders. … This individual will help define the data foundations that drive the organisation's analytical and regulatory goals. Key Responsibilities: Develop and maintain strategic conceptual data models outlining domains, entities, and relationships. Build detailed logical and physical data models aligned with business rules and objectives. Collaborate with business stakeholders to understand requirements and translate them into structured data More ❯

Data Migration Lead - Insurance Experience - Hybrid Working Our client, a global Insurance broker, are currently looking to hire a Data Migration Lead with experience in the Reinsurance sector. to join the client on a contract basis. This role would be hybrid working with the site based in London. The client are seeking a Data Migration Lead to … drive the data migration workstream for a strategic initiative transforming treaty reinsurance operations. This role will oversee data migration strategy, planning, execution, and stakeholder engagement for the migration of complex data from legacy systems to the new platform. In this role you will define and lead a comprehensive data migration strategy tailored to reinsurance, ensuring alignment … with business goals, IT architecture, and compliance requirements. The role requires expertise in data migration, stakeholder management, and regulatory compliance, with a focus on reinsurance operations. Key Responsibilities: Define Data Migration Strategy and Planning Lead the development of a comprehensive data migration strategy for project, including scope, approach, governance, tools, timelines, and success criteria. Ensure alignment with More ❯

Senior Workday Data Architect - SC Cleared - Inside IR35 Contract Own the Data Strategy for a Major Workday Transformation Location: Hybrid (20% in London or Glasgow ) | Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential Are you a seasoned Workday Data Leader with 7-10 years' experience who can define and deliver a complex data migration strategy from scratch? Our client is embarking on a major Workday transformation within a secure, complex environment. They require an exceptional Senior Workday Data Lead to take full accountability for data readiness, ensuring a successful migration across HR, Finance, and Payroll domains ahead of the SI-led implementation. This is a critical leadership role reporting directly … into the Technical Delivery Manager. The Role: Data Migration & Governance Authority You will mobilise and lead the entire data sub-workstream, acting as the primary subject matter expert (SME) for all Workday data objects and structures. Key Responsibilities: Strategy & Execution: Define, document, and execute the end-to-end data migration strategy , including scope, toolset, timelines, and More ❯

SAP Data Migration Consultant/Senior Consultant £60,000 - £100,000 Hybrid (On client sites as and when required) We are seeking an SAP Data Migration Consultant to join a leading consulting firm, playing a key role in SAP S/4HANA migration projects. You will work closely with functional and technical teams to ensure the successful extraction … transformation, and loading (ETL) of data from legacy systems into SAP environments. This role will focus on delivering high-quality data migration solutions using SAP Migration Cockpit, SAP Data Services (BODS), and other SAP data management tools. Key Responsibilities Execute end-to-end data migration strategies for SAP S/4HANA and related SAP systems. … Use SAP Migration Cockpit, SAP Data Services (BODS), LSMW, and LTMC to manage data extraction, transformation, and loading. Collaborate with functional teams to define data mapping, cleansing, and validation processes. Identify and resolve data quality issues, ensuring smooth migration. Support data reconciliation and validation post-migration to ensure integrity. Work closely with business stakeholders to More ❯

SAP Data Migration Consultant/Senior Consultant £60,000 - £100,000 Hybrid (On client sites as and when required) We are seeking an SAP Data Migration Consultant to join a leading consulting firm, playing a key role in SAP S/4HANA migration projects. You will work closely with functional and technical teams to ensure the successful extraction … transformation, and loading (ETL) of data from legacy systems into SAP environments. This role will focus on delivering high-quality data migration solutions using SAP Migration Cockpit, SAP Data Services (BODS), and other SAP data management tools. Key Responsibilities Execute end-to-end data migration strategies for SAP S/4HANA and related SAP systems. … Use SAP Migration Cockpit, SAP Data Services (BODS), LSMW, and LTMC to manage data extraction, transformation, and loading. Collaborate with functional teams to define data mapping, cleansing, and validation processes. Identify and resolve data quality issues, ensuring smooth migration. Support data reconciliation and validation post-migration to ensure integrity. Work closely with business stakeholders to More ❯

Job Title: Data Modeller - Insurance Sector Location: London (Hybrid - 3 Days Onsite) Employment Type: Outside IR35/Contract 3 months rolling A leading insurance organisation is seeking a mid-level Data Modeller to support enterprise data initiatives across multiple business lines. This is a contract opportunity suited to someone who thrives in a collaborative, fast-paced environment … and brings strong domain knowledge in insurance data. Key Responsibilities Develop and maintain conceptual and logical data models aligned with business processes and insurance domain requirements. Collaborate with analysts, SMEs, and stakeholders to gather and translate requirements into scalable data models. Ensure consistency and integrity of data models across retail, specialist, and reinsurance lines. Document data structures and business rules using tools such as ERwin, PowerDesigner, or Sparx EA. Uphold data modelling standards and governance practices. Work closely with architecture and process improvement teams to ensure alignment. Contribute to metadata management, data lineage, and master/reference data initiatives. Support data quality and remediation efforts. Facilitate stakeholder workshops and build More ❯

Job Title: Data Modeller - Insurance Sector Location: London (Hybrid - 3 Days Onsite) Employment Type: Outside IR35/Contract 3 months rolling A leading insurance organisation is seeking a mid-level Data Modeller to support enterprise data initiatives across multiple business lines. This is a contract opportunity suited to someone who thrives in a collaborative, fast-paced environment … and brings strong domain knowledge in insurance data. Key Responsibilities Develop and maintain conceptual and logical data models aligned with business processes and insurance domain requirements. Collaborate with analysts, SMEs, and stakeholders to gather and translate requirements into scalable data models. Ensure consistency and integrity of data models across retail, specialist, and reinsurance lines. Document data structures and business rules using tools such as ERwin, PowerDesigner, or Sparx EA. Uphold data modelling standards and governance practices. Work closely with architecture and process improvement teams to ensure alignment. Contribute to metadata management, data lineage, and master/reference data initiatives. Support data quality and remediation efforts. Facilitate stakeholder workshops and build More ❯

and a work environment built on collaboration. We are rapidly expanding our London office and looking for a Senior Product Manager to lead the development of our next-generation data modelling and workflow solutions. As one of the first product managers in our London office, you will have a significant impact and ownership over your work-this is an … incredible opportunity to shape our product's future! As a Senior Product Manager in the Data Platform organisation, you will drive the development and evolution of data modelling systems that define how our platform supports complex team workflows. You will drive the processes transforming data at monday, and own cross-platform cascading effects and workflows. Please note … this is a hybrid position of 3 days/week in our London office (Fitzrovia). Responsibilities Lead product vision and roadmap: Define and implement the strategy for data modelling and workflow optimization across the platform, ensuring it supports complex organizational needs. Data-driven product development: Use customer insights, data trends, and feedback to continuously optimize how More ❯

Data Mapping Engineer - UK Based (Security Clearance Required) We are seeking an experienced Data Mapping Engineer to design and implement robust data mapping solutions across diverse systems and formats. This role involves working with structured and semi-structured data, ensuring accurate transformation and integration, and supporting broader data migration efforts. Candidates must have hands-on … experience with IBM Maximo Asset Management software and meet UK security clearance requirements. Key Responsibilities:* Analyse and interpret source and target data structures (e.g., databases, XML, JSON, CSV, EDI)* Define and document data mappings, transformation logic, and integration rules* Collaborate with data architects, analysts, and subject matter experts to ensure semantic consistency* Validate mapping outputs and … resolve data discrepancies* Ensure compliance with data quality, privacy, and security standards* Maintain documentation and metadata for traceability and governance* Support knowledge sharing and contribute to best practices within the team Essential Requirements:* UK national with at least five years of residency (required for security clearance)* Proven experience in data modelling at conceptual and logical levels* Background More ❯

Senior Data Engineer – Insurance Sector Location: Hybrid (London-based with flexible working) Salary: £85K -£100K – this is dependent on skills and experience Join a growing data team that’s transforming how the insurance industry uses data to make smarter, faster decisions. As a Senior Data Engineer , you’ll design and deliver scalable, high-performing data … pipelines, models, and architectures that bring structure, speed, and accuracy to complex insurance data. This is a fantastic opportunity to make a real impact while shaping the future of data engineering within a forward-thinking organisation. What You’ll Be Doing Partnering with analysts and product owners to turn business needs into scalable data solutions. Designing and maintaining … robust data pipelines and models for analytics and reporting. Applying best practices in data architecture, security, and performance. Working with modern tools including Azure, Databricks, Python, Azure DevOps, Unity Catalog, and SQL . Supporting data governance through cataloguing, lineage, and compliance frameworks. Mentoring junior engineers and contributing to the team’s technical roadmap. What You’ll Bring More ❯

Senior Data Engineer – Insurance Sector Location: Hybrid (London-based with flexible working) Salary: £85K -£100K – this is dependent on skills and experience Join a growing data team that’s transforming how the insurance industry uses data to make smarter, faster decisions. As a Senior Data Engineer , you’ll design and deliver scalable, high-performing data … pipelines, models, and architectures that bring structure, speed, and accuracy to complex insurance data. This is a fantastic opportunity to make a real impact while shaping the future of data engineering within a forward-thinking organisation. What You’ll Be Doing Partnering with analysts and product owners to turn business needs into scalable data solutions. Designing and maintaining … robust data pipelines and models for analytics and reporting. Applying best practices in data architecture, security, and performance. Working with modern tools including Azure, Databricks, Python, Azure DevOps, Unity Catalog, and SQL . Supporting data governance through cataloguing, lineage, and compliance frameworks. Mentoring junior engineers and contributing to the team’s technical roadmap. What You’ll Bring More ❯

Senior Data Engineer – Insurance Sector Location: Hybrid (London-based with flexible working) Salary: £85K -£100K – this is dependent on skills and experience Join a growing data team that’s transforming how the insurance industry uses data to make smarter, faster decisions. As a Senior Data Engineer , you’ll design and deliver scalable, high-performing data … pipelines, models, and architectures that bring structure, speed, and accuracy to complex insurance data. This is a fantastic opportunity to make a real impact while shaping the future of data engineering within a forward-thinking organisation. What You’ll Be Doing Partnering with analysts and product owners to turn business needs into scalable data solutions. Designing and maintaining … robust data pipelines and models for analytics and reporting. Applying best practices in data architecture, security, and performance. Working with modern tools including Azure, Databricks, Python, Azure DevOps, Unity Catalog, and SQL . Supporting data governance through cataloguing, lineage, and compliance frameworks. Mentoring junior engineers and contributing to the team’s technical roadmap. What You’ll Bring More ❯

Senior Data Engineer – Insurance Sector Location: Hybrid (London-based with flexible working) Salary: £85K -£100K – this is dependent on skills and experience Join a growing data team that’s transforming how the insurance industry uses data to make smarter, faster decisions. As a Senior Data Engineer , you’ll design and deliver scalable, high-performing data … pipelines, models, and architectures that bring structure, speed, and accuracy to complex insurance data. This is a fantastic opportunity to make a real impact while shaping the future of data engineering within a forward-thinking organisation. What You’ll Be Doing Partnering with analysts and product owners to turn business needs into scalable data solutions. Designing and maintaining … robust data pipelines and models for analytics and reporting. Applying best practices in data architecture, security, and performance. Working with modern tools including Azure, Databricks, Python, Azure DevOps, Unity Catalog, and SQL . Supporting data governance through cataloguing, lineage, and compliance frameworks. Mentoring junior engineers and contributing to the team’s technical roadmap. What You’ll Bring More ❯

On Back-End Developer Remote-Friendly | London HQ | Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology .We're seeking a hands-on Chief Technology Officer (CTO) — an exceptional technical leader who thrives on both strategic vision and deep technical execution . Role Overview … while remaining deeply involved in hands-on back-end development . You'll architect scalable systems, drive innovation in sustainable technology, and guide a talented engineering team to deliver data-rich solutions that improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on … and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute More ❯

On Back-End Developer Remote-Friendly London HQ Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology . We're seeking a hands-on Chief Technology Officer (CTO) an exceptional technical leader who thrives on both strategic vision and deep technical execution . Role … while remaining deeply involved in hands-on back-end development . You'll architect scalable systems, drive innovation in sustainable technology, and guide a talented engineering team to deliver data-rich solutions that improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on … and guide a growing team of developers setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute More ❯

On Back-End Developer Remote-Friendly | London HQ | Award-Winning Agricultural Technology Software Company Join an award-winning agricultural analytics software company that's redefining sustainable food production through data-driven technology . We're seeking a hands-on Chief Technology Officer (CTO) — an exceptional technical leader who thrives on both strategic vision and deep technical execution . Role … while remaining deeply involved in hands-on back-end development . You'll architect scalable systems, drive innovation in sustainable technology, and guide a talented engineering team to deliver data-rich solutions that improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on … and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute More ❯

Senior Commercial Data Analyst Location: London (Hybrid, 1-2 days per week) Salary: £42,700-£53,700 + annual bonus A global media and entertainment business is looking for a Senior Commercial Data Analyst to own analytics within a cross-functional team. This role blends technical capability with commercial thinking, supporting senior stakeholders across multiple regions and business … lines. What You'll Do: Act as the go-to data expert for commercial teams, partnering with finance, sales, marketing and strategy Build dashboards and reporting tools (Power BI or similar) and support the rollout of a new BI platform Translate complex data into actionable commercial recommendations across pricing, product and market performance Connect data from multiple … forecasting and wider commercial planning Build automated reporting and enable self-serve analytics across the business Example Projects: Migrating legacy reports into a modern BI platform and improving reporting structures Analysing financial, customer and digital data to inform commercial strategy for new product or venue launches Implementing forecasting and predictive analytics within dashboards Supporting CRM and commercial system More ❯

Clearance required: SC Cleared IR35 Status: Outside IR35 Start date: 01/12/2025 Pay rate: 400-500/d Front-End Developer We are forming a new Data Team to deliver a unified, user-friendly interface that consolidates dashboards, reports, and analytical outputs from across the organisation. This "single pane of glass" will serve as the central … hub for stakeholders to explore data, monitor performance, and make informed decisions. As the Front-End Developer , you will play a pivotal role in designing and building this interface from the ground up. You'll work closely with Data Analysts, Data Scientists, Engineers, and Business Analysts to understand their outputs and translate them into intuitive, dynamic visual … experiences. Your work will directly influence how data is consumed and acted upon across the organisation. Responsibilities Design and develop a unified front-end interface that integrates dashboards, reports, models, and data pipelines into a single, intuitive view Ensure the interface adheres to accessibility standards (e.g. WCAG 2.2), enabling inclusive access for all users Optimise performance for fast More ❯

this role, you will: Design, develop and train large multimodal machine learning models across all stages: pre-training, post-training, evaluations and inference. Work closely with clients to understand data and model architecture requirements for their business needs. Be given a high degree of autonomy and ownership over your work. Co-hire your future colleagues. Work closely with the … and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 5+ years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Deep understanding of LLM architectures, pre and/or post-training, evaluations and inference. Programming languages: Excellent proficiency in Python … problems, including product integration. Cloud-native technologies: Experience in developing and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker). Algorithms and data structures: Excellent understanding of core CS fundamentals, including common abstract data structures and algorithms with the ability to apply them to optimise production systems. Problem solving More ❯

this role, you will: Design, develop and train large multimodal machine learning models across all stages: pre-training, post-training, evaluations and inference. Work closely with clients to understand data and model architecture requirements for their business needs. Be given a high degree of autonomy and ownership over your work. Co-hire your future colleagues. Work closely with the … and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 5+ years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Deep understanding of LLM architectures, pre and/or post-training, evaluations and inference. Programming languages: Excellent proficiency in Python … problems, including product integration. Cloud-native technologies: Experience in developing and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker). Algorithms and data structures: Excellent understanding of core CS fundamentals, including common abstract data structures and algorithms with the ability to apply them to optimise production systems. Problem solving More ❯

this role, you will: Design, develop and train large multimodal machine learning models across all stages: pre-training, post-training, evaluations and inference. Work closely with clients to understand data and model architecture requirements for their business needs. Be given a high degree of autonomy and ownership over your work. Co-hire your future colleagues. Work closely with the … and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 5+ years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Deep understanding of LLM architectures, pre and/or post-training, evaluations and inference. Programming languages: Excellent proficiency in Python … problems, including product integration. Cloud-native technologies: Experience in developing and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker). Algorithms and data structures: Excellent understanding of core CS fundamentals, including common abstract data structures and algorithms with the ability to apply them to optimise production systems. Problem solving More ❯

this role, you will: Design, develop and train large multimodal machine learning models across all stages: pre-training, post-training, evaluations and inference. Work closely with clients to understand data and model architecture requirements for their business needs. Be given a high degree of autonomy and ownership over your work. Co-hire your future colleagues. Work closely with the … and contribute towards best practices, standards, and culture of the company. What we are looking for: Research engineering: 5+ years of industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Deep understanding of LLM architectures, pre and/or post-training, evaluations and inference. Programming languages: Excellent proficiency in Python … problems, including product integration. Cloud-native technologies: Experience in developing and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker). Algorithms and data structures: Excellent understanding of core CS fundamentals, including common abstract data structures and algorithms with the ability to apply them to optimise production systems. Problem solving More ❯