1 to 25 of 26 Data Structures Jobs in the City of London

ROLE : Data Architect/Data Modeler – P&C Insurance LOCATION : London, UK ( 3 days/week onsite ) EXPERIENCE : 10 + Years ROLE OVERVIEW: We are seeking an experienced Data Architect/Data Modeler with strong insurance industry standards knowledge and a solid foundation in modern data modelling practices. The ideal candidate will have hands-on experience with modelling tools, data frameworks, and insurance industry data exchange standards. This role involves designing scalable, compliant, and high-quality data structures that support enterprise analytics, regulatory reporting, and operational data needs. RESPONSIBILITIES: Design ...

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 ...

Cleared Data Consultants and Analysts – London – Up to £60,000 per annum Are you a data-driven professional with a passion for delivering impactful solutions? Do you excel in translating complex data challenges into actionable insights? If so, Morela has an exciting opportunity for you. Morela … proud to partner with one of the UK's leading data consultancies, renowned for their innovative approach to data integration and analytics. As they continue to expand, they're seeking a skilled SC & DV Cleared Data Consultant and Analysts to join their dynamic team. This role ...

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 … 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 ...

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 … towards best practices, standards, and culture of the company. What we are looking for: Research engineering: Industry experience in complex machine learning projects including data processing and training models in a distributed environment. LLMs: Understanding of LLM architectures, pre and/or post-training, evaluations and inference. Programming languages ...

role you will be designing and developing complex data processing modules and reporting using Big Query and Tableau. In addition, you will also work closely with the Infrastructure/Platform Team who are responsible for architecting, and operating the core of the client's Data Analytics platform. … will: Work with both the business teams data scientists and engineers to design, build, optimise and maintain production grade data pipelines and reporting from an internal Data warehouse solution, based on GCP/Big Query Work with finance, actuaries, data scientists and engineers to understand ...

influence of user experience-based design e.g. Personas, user journeys and how this can be used to augment a solution Experience with functional data conversion, transformation and reconciliation An understanding of the functional, application and technical implementation approach elements of an Oracle Cloud ERP programme We are looking … more years of experience in implementing Oracle Cloud EPM products. Understanding or experience of budgeting & forecasting processes, preferably in public sector Understanding of finance data structures, data migration and integration. Understanding of finance processes and challenges. Great communication and client-facing skills. What ...

deploy following our established DevOps CI/CD and best practices. Improve the efficiency, performance, and scalability of ML & NLP models (this includes data quality, ingestion, loading, cleaning, and processing). Stay up-to-date with ML & NLP research, and experiment with new models and techniques. Perform code-reviews … interview process itself). Bonus points for Stack Overflow and Kaggle contributions! What we are looking for Experience analysing large volumes of textual data (almost all of our use cases will involve NLP) Ability to write clear, robust, and testable code, especially in Python Familiarity with SQL and NoSQL ...

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 ...

infrastructure, along with the latest advancements in the industry to deliver this solution over a multi-year span. Responsibilities Working across backend, front-end, data, and AI functions, with a focus on modern architectures, AI-driven automation, and cross-jurisdictional data compliance. Design and architect solutions for complex … tech stack and AWS-based infrastructure. Build systems for KYC, AML, FATCA/CRS, LEI, and other regulatory checkpoints. Implement automation across entity matching, data validation, and workflow orchestration using AI/ML. Implement agentic AI and LLM-based services to streamline onboarding, document processing, and exception handling. Ensure ...

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 ...

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 ...

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 ...

Experience with major communication platforms and capture solutions (e.g., Bloomberg, LSEG, ICE, Symphony, whats app, WeCom, Smarsh, Global Relay, Behavox). Experience with communications data structures, ETL/ELT pipelines, and data integrity standards. Strong understanding of CI/CD practices and agile methodologies. Excellent communication ...

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 ...

client, a high-performing, data-driven hedge fund, is seeking a top-tier Graduate/Junior C# Developer to join their London-based technology team. This is a rare opportunity to join a lean, high-calibre environment where technology sits at the core of the business. The team … directly aligned to the trading function, building systems that process market data, support analytics, and enable trading decisions across fixed income markets. You will be working in a flat, agile team with real ownership from day one, contributing to a wide range of projects and actively participating in architectural ...

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 ...

Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline Apply ...

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 ...

systems that power real-time investment decisions. You’ll be building intuitive, high-performance UIs in React/TypeScript, with a strong focus on data-rich visualisations that bring complex trading strategies and risk models to life. This role offers true ownership of front-end design and delivery, with … with Portfolio Managers and Quants to translate trading needs into elegant, performant UIs. Design, build, and maintain React/TypeScript applications with real-time data visualisation. Own front-end architecture, ensuring scalability and high performance in latency-sensitive environments. Collaborate across front office technology, shaping the tools that reduce ...

early stage, well backed start-up building what they describe as an AI native lifestyle platform, using LLMs, agent based workflows and real time data to deliver highly personalised recommendations across travel, health, dining and experiences. Already seeing strong early traction with a high value user base, they … from idea through to production Design and evolve agent based workflows and LLM integrations Work with RAG style systems and context heavy data pipelines Improve performance across APIs, background jobs and data processing Collaborate closely with product and design to ship high quality user experiences What They ...

provided exchange SDKs in different languages such as C++, Rust, Python, Typescript Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests Optimize exchange communication through kernel bypass, optimizing … software development experience within the financial industry Solid understanding of parallel, asynchronous, and multithreaded programming to build distributed systems Good knowledge of algorithms and data structures Understanding of trading lifecycle, including order capture & execution, allocation workflow, settlement, and compliance requirements Must have strong technical skills in scripting, Python ...

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 ...

functional ServiceNow solutions using out-of-the-box capabilities and configuration best practices Configure workflows, case types, assignment rules, SLAs, approvals, and notifications Maintain data models, forms, UI policies, and business rules relevant to finance and procurement processes Process Optimisation & Automation Review and improve … modules Strong experience with ServiceNow Finance Case Management Confident configuring workflows, Flow Designer, case management features, and catalog items Solid understanding of ServiceNow data structures, roles, and security model Finance & Procurement Knowledge Strong understanding of end-to-end Source-to-Pay processes (Requisition PO Invoice Payment) Experience working ...

negotiable, and your decisions directly impact real world outcomes. You will be working on the foundations of the trading stack, including market data, execution, simulation, and internal infrastructure. The problems are hard, the standards are high, and the impact is immediate. This is an environment built by engineers … high performance C++ systems that sit directly in the live trading path Optimising latency, throughput, and determinism across highly concurrent systems Working on market data capture, normalisation, and internal distribution at scale Building and evolving simulation and backtesting infrastructure used by researchers and traders Going deep on memory behaviour ...