1 to 25 of 29 Data Structures Jobs in the City of London

ROLE : Data Analyst -P&C Insurance LOCATION : London, UK EXPERIENCE : 10 + Years We are seeking an experienced Technical Data Analyst to support the Global Specialty Insurance (GSI) Delegated Authority Data Workstream. This role is responsible for driving business engagement, defining landing data requirements, and shaping … data standards that enable a unified future operating model for Delegated Authority data intake requirements and workflow across GSI for existing DA partners and devising requirements for new partner onboarding. Working closely with the Senior Data Architect, the role will facilitate cross-BU collaboration to define Contract ...

Data Analyst 6 months Hybrid - 1-2 Days per week on site in London £(Apply online only) per day (Inside IR35) ***The selected candidate MUST HAVE experience in London Markets*** Key Skills & Experience Draft the scope for the data and analytics workstream with understanding of all end user … requirements and KPIs Develop BRDs, data mapping specifications, refined PBIs with clear articulation of user stories and acceptance criteria for data modellers and data engineers Analyse delegated authority data source through profiling, exploratory queries including quality validation to support medallion layer transformations in data ...

services company seeking a Senior Associate - Marketing Technology to support and evolve its enterprise marketing ecosystem. This position operates at the crossroads of marketing, data, and technology, with a strong emphasis on marketing tech data, AI & machine learning, and data workflows. You will play a key role … enhancing platform performance, strengthening integrations, and enabling scalable, data-driven marketing operations. This opportunity is ideal for someone who thrives in complex environments and enjoys improving how systems, data, and teams connect. Key Responsibilities Optimise and maintain core marketing technology platforms to ensure strong performance and reliability Design ...

Responsibilities Analyse and assess data structures across legacy and target systems. Perform data extraction, transformation, and migration activities. Conduct data cleansing, enrichment, and validation to ensure high data quality. Identify and resolve data inconsistencies, duplicates, and quality issues. Develop and maintain data mapping … documentation between source and target systems. Required Skills & Experience Strong experience in data migration, data cleansing, and data transformation projects. Advanced SQL and database querying skills. Experience working with large datasets and relational databases (SQL Server, Oracle, etc.). Strong data analysis and data profiling ...

Hawksworth has another great Contract to offer, we are looking for a ‘ Celonis Process Mining Data Engineer’ for an initial 6 or 12 month assignment. The contract is working for a Global consultancy onsite at a Global Investment Bank. Rate negatable for the right candidate (Inside IR35). Hybrid … working. Long term contract available. Please note: Only people with Celonis experience can be considered. The job As the Celonis Data Engineer you will work with a leading financial services company, playing a critical role in transforming complex banking data into trusted process insights, enabling data driven ...

This team builds the components those applications rely on. I’m hiring for a developer tools company building widely adopted JavaScript components used in data-intensive applications across global enterprises, financial institutions, and technology companies. This is core engineering work, focused on performance, scalability, and building systems that operate … optimising a high-performance DataGrid and charting library used globally Solving complex problems around rendering, large datasets, and real-time updates Working across data structures, algorithms, and performance-critical code paths Contributing to both grid and visualisation components Building features end-to-end — from design through to release ...

testing, and rollouts Collaborate with the People team to identify system improvements and implement configuration changes Develop and maintain reports and dashboards to support data-driven decision-making Support cyclical HR projects such as Gender Pay Gap, annual regrading, and appraisal processes Troubleshoot system issues and provide timely resolution … escalation Ensure data integrity and compliance with data protection regulations Assist in rollout of new HR technologies and digital initiatives Provide training and support to HR users and stakeholders on system functionality Maintain global intranet content relating to people systems Build relationships with external suppliers and raise support ...

Finance, Investments, and Finance Systems teams, translating business needs into detailed technical specifications that enable the build of future-state reporting on a finance data warehouse. Responsibilities: Document current Investments reporting processes, including outputs, stakeholders, frequency, and data sources Inventory existing dashboards, reports, KPI definitions … dependencies, and pain points Identify gaps between current reporting and requirements of the new stage-gated investment process Develop a clear scope document outlining data entities, KPIs, reporting cadence, audiences, and outputs Define a pragmatic, tactical classification and data capture approach to enable accurate reporting within existing constraints ...

Markets workflows (e.g., trade lifecycle, settlements, risk, reporting) • Translate business needs into functional and technical specifications • Work closely with developers to design and validate data models, APIs, and system integrations • Perform data analysis using SQL and MongoDB to support decision-making and troubleshooting • Create and maintain documentation including … Capital Markets Required Skills & Experience Domain Expertise • Strong understanding of Capital Markets (equities, fixed income, derivatives, FX, or commodities) • Familiarity with trade lifecycle, market data, pricing, and risk management Technical Skills • Proficiency in SQL (complex queries, joins, performance tuning) • Experience with MongoDB (document data modeling, querying, aggregation pipelines ...

technical and analytical People Systems Analyst on an initial 12-month fixed-term contract. This role offers a great opportunity to deepen experience in data and insights while gaining broader exposure to systems configuration, workflow improvements, and project support. Salary to £50,000 12-month fixed-term contract Hybrid … internal stakeholders Collaborate with the People team to identify system improvements and implement configuration changes Develop and maintain reports and dashboards to support data-driven decision-making across HR and the wider business Support cyclical HR projects such as Gender Pay Gap, annual fee earner regrading, and appraisal processes ...

scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality … features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions. Work with modern technologies such as Python, Django, Cloud Firestore, BigQuery, and Elasticsearch to deliver scalable, reliable ...

environment. The Senior Business Systems Analyst leads requirements discovery, translates business objectives into scalable system solutions, and drives continuous improvement across finance processes, integrations, data models, and reporting. The role ensures system stability, compliance, and long-term scalability while supporting enhancements, testing, and production operations in a fast-paced … testing strategies based on functional and technical requirements Analyze, design, document, and validate system configurations supporting existing and new business processes, reporting, and data structures Collaborate closely with finance leaders to understand business goals, identify gaps, and recommend system-driven improvements Facilitate design reviews and solution walkthroughs with ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk use cases Build … data processing pipelines and automation scripts for trade, risk and reconciliation workflows Work with large financial datasets to support PnL, risk and reporting requirements Contribute to system design, architecture and scalability decisions Collaborate with quants, traders and risk teams to translate business requirements into technical solutions Develop and integrate ...

skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real … time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location/ ...

research infrastructure Work closely with quantitative researchers to translate models into production-grade systems Optimise performance across distributed systems handling large-scale financial data Contribute to architectural decisions in a fast-moving, intellectually rigorous environment Continuously improve code quality, testing, and deployment pipelines Candidate Profile We are specifically targeting … high-performance systems (C++, Python or similar) A track record of excellence, whether in industry, academia, or competitive environments Strong understanding of algorithms, data structures, and system design Desirable Experience Exposure to systematic trading, quantitative finance, or data-intensive environments Experience with distributed systems, concurrency ...

will join a high-impact Equities technology team responsible for: Pricing libraries and risk calculation engines Trading tools and desk analytics Real-time data processing and reporting solutions Enhancements to structured equity and derivative platforms The role combines development, stakeholder engagement and production support within a business-critical trading … Python-based applications for front-office use Enhance pricing and risk models used by trading desks Build and optimise tools for real-time market data processing Work closely with traders, quants and structurers to gather requirements Improve performance, scalability and reliability of trading systems Contribute to architecture decisions ...

lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? Lead the technical vision … Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous improvement. Collaborate with cross-functional teams - including product, data, and design - to deliver innovative solutions that directly impact customer success. Evaluate and implement emerging technologies that enhance system performance and developer productivity. Take ...

have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns You are familiar with DevOps, CI/CD pipelines You're collaborative, enjoy problem solving and interacting with clients Apply ...

professional experience in a technical support, SRE, or operations role within a fast‐paced trading or financial environment. Proven aptitude for understanding complex algorithms, data structures, and software design principles relevant to high‐performance systems. Solid understanding of Linux operating system internals and networking concepts. Strong analytical ...

join one of its largest systematic trading teams. The team operates a state-of-the-art, cloud-based platform supporting real-time market data processing and multi-timescale alpha generation, working closely with researchers to deploy and scale trading strategies. As a Quant Developer (3–8 years of experience … experience in a relevant environment (systematic trading, HFT, or performance-critical systems) Strong proficiency in low-latency C++ development on Linux Solid understanding of data structures, algorithms, and system design Ability to work in a fast-paced, highly collaborative environment This opportunity offers a highly competitive compensation package ...

ownership of a technology start-up. You’ll work on a global, low-latency trading platform spanning multiple continents, covering: Real-time market data capture Order entry and connectivity across numerous exchanges Robust networking and monitoring systems Scaling and performance optimisation of core infrastructure The tech stack is primarily … freedom to shape your impact. What We’re Looking For Strong C++ skills (assessment will form part of the process) Deep understanding of data structures and performance optimisation Experience building client-server network applications Curiosity to understand how C++ standard libraries and systems work “under the hood” Strong ...

resources and external partners to deliver enhancements effectively Manage upgrades, patches, and module or feature implementations Establish and maintain strong system governance, documentation, and data quality standards Oversee issue triage and ensure effective resolution with support teams and vendors Communicate roadmap priorities, progress, and releases to stakeholders … technical or functional deliverables Analytical and detail-focused approach with a continuous improvement mindset Desirable Experience working with complex enterprise finance platforms Familiarity with data structures, reporting, or system integrations Experience coordinating cross-functional delivery teams Background in legal, financial, or professional-services organisations ...

resources and external partners to deliver enhancements effectively Manage upgrades, patches, and module or feature implementations Establish and maintain strong system governance, documentation, and data quality standards Oversee issue triage and ensure effective resolution with support teams and vendors Communicate roadmap priorities, progress, and releases to stakeholders … technical or functional deliverables Analytical and detail-focused approach with a continuous improvement mindset Desirable Experience working with complex enterprise finance platforms Familiarity with data structures, reporting, or system integrations Experience coordinating cross-functional delivery teams Background in legal, financial, or professional-services organisations ...

embed best practice System management & continuous improvement Own upgrades, enhancements, troubleshooting and BAU system administration Manage user access, security, cost codes, contracts and master data Deliver regular training to improve adoption and capability across the business What we're looking for 3-5+ years' experience working with … systems, including implementation and optimisation Strong hands-on experience with COINS (or similar construction-focused ERP platforms) Solid understanding of finance systems, data structures and controls Proven ability to lead projects involving multiple stakeholders and competing priorities Experience in the construction or built environment sector Degree in Information ...

Software Engineer | Canvas | SVG | High-Performance Charting | London to £200,000 depending on exp. Most data visualisation roles sit on top of libraries. This one builds the engine behind them. I’m hiring a Senior Engineer to work on a widely-used charting library used by thousands of developers … building data-intensive applications. This is core product engineering — focused on rendering, performance, correctness, and API design. This is not a typical frontend role. You’ll be working closer to a graphics engine than an application layer. What you’ll be doing Designing and building core features across rendering ...