25 of 25 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 What ...

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 ...

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 ...

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 ...

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 ...

high-performance role at the intersection of finance and technology. As a software engineer you will develop and optimise critical trading systems, build data-driven solutions and work with cutting-edge technology to drive decision making at scale. Your Responsibilities (Full Spec. Available): Develop and optimise high-frequency trading … competitive edge Who You Are: Strong proficiency in any OO language (they are agnostic) - (low-latency or systems-level experience preferred) Deep understanding of data structures, algorithms, and computer architecture Proven ability to tackle complex challenges with initiative and agility in high-pressure environments Apply now or reach ...

developments. Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will go through a 2 round interview process. ...

improvement across tooling and platform stability 🧠 WHAT WE’RE LOOKING FOR ✔ 5+ years Python and/or Go ✔ Strong Linux experience ✔ Solid CS fundamentals (data structures, algorithms) ✔ Experience with monitoring, metrics, or statistical analysis ✔ CI/CD and Git experience ✔ Background in infrastructure, platform engineering, or SRE-type ...

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 ...

benefits, this role is available on a remote, hybrid, or London-based basis. You'll work with a specialist team focused on delivering robust, data-driven HubSpot implementations, integrations, and automation for a diverse client base. This is an exciting chance to play a key role in a growing … Lead full lifecycle HubSpot CRM implementations across Sales, Service, and Marketing Translate client requirements into scalable CRM architecture and solutions Manage and execute complex data migrations, ensuring accuracy and integrity Build and maintain integrations with third-party systems and tools Develop automation workflows and troubleshoot technical CRM issues What ...

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 … Troubleshoot system issues and provide timely resolution or escalation. Ensure data integrity and compliance with data protection regulations. Assist in the rollout of new HR technologies and digital initiatives. Provide training and support to HR users and other stakeholders on system functionality and best practices. Maintenance and development ...