1 to 25 of 39 Data Structures Jobs in the City of London

Overview We are looking for a Consultant to join SmartCo with a focus on Data and AI. This is a billable, client-facing role, sitting at the intersection of advisory and delivery. The role is split across two core areas: Supporting clients with data strategy, data architecture … data migration and data-led transformation programmes. Helping SmartCo build and mature its internal data capability, including reporting, dashboards and insight across core platforms (CMAP, Sage Intacct, Pipedrive). In parallel, this role will play a key part in shaping and delivering SmartCo’s emerging AI offering ...

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 ...

exciting opportunity in London is looking for a Director, Data Operations/BI, supporting a global data and reporting centre within a complex, multi‐market organisation. • Based in London • Permanent role • Start date: May 2026 • Up to £80k per annum The Job As the Director, Data Operations …/BI , your responsibilities will include: Owning the end‐to‐end delivery of enterprise‐level data and taxonomy solutions, powering internal reporting and decision‐making Acting as a senior member, defining and enforcing global data governance, taxonomy, and reporting standards Leading engagement with multiple global and local markets ...

Rate: £450pd OUTSIDE IR35 Contract Length: 8 Months WRK digital are looking for strong, delivery-oriented BI Developer to support a Phase 1 data remediation programme in a complex enterprise environment You will be a hands-on BI specialist responsible for building and refining reporting outputs, consumption-layer structures … datasets aligned to agreed definitions and target information models. Why this role matters Ensures the programme translates into practical reporting outcomes and that new structures are usable for business consumption. Core responsibilities Develop or refine reporting outputs and dashboards Support curated dataset and reporting layer design Align BI outputs ...

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 ...

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 ...

limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting-edge data science, and sophisticated trading systems to deliver exceptional long-term returns. They’re expanding their core engineering team and are seeking a Python Software … Engineer to help design and build the next generation of research, data, and trading infrastructure. The Opportunity You’ll work at the intersection of software engineering, data, and quantitative research, partnering directly with researchers and portfolio managers to create scalable systems that power high-performance trading and analytics. ...

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 ...

technical direction of the platform and grow with the Firm on this unique and exciting journey. The platform is real: a 25+ entity relational data model, multi-LLM orchestration across Claude, Gemini, and GPT, deep Microsoft 365 integration, and a commercial intelligence layer built on Microsoft Fabric and Power … BI. What you'll own: → End-to-end architecture: frontend, backend, data layer, AI infrastructure → Evolution toward a scalable, modular, multi-tenant platform → RAG pipelines, document indexing, LLM orchestration at scale → Data integrations: SharePoint, Fireflies, Zapier, Xero and Zoho → Team growth and engineering practice maturity → AI strategy conversations ...

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 ...

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 ...

trading systems Collaborating closely with quants, traders, and portfolio managers to implement and enhance trading strategies Handling massive volumes of real-time market data with a focus on speed, accuracy, and reliability Requirements Bachelor’s/Master’s/PhD in Computer Science, Engineering, or a related field Professional … experience as a Software Engineer using any of C++, Python, Rust or Java Strong fundamentals in data structures, algorithms, and software design Experience with multi-threaded programming and real-time systems Experience building software at massive scale (handling tens to hundreds of billions of records) Strong proficiency ...

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 ...

enhance existing systems Work within agile processes to deliver robust, reliable products What We’re Looking For: Strong grounding in object-oriented design, data structures, and algorithms Proven problem-solving and troubleshooting ability Experience with automated testing Strong communication and teamwork skills Comfortable in a fast-paced, agile ...

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 ...

partnering with a top-tier quantitative trading firm to hire an experienced C++ Software Engineer to work on performance-critical trading and market data systems. This is a role for engineers who care deeply about latency, determinism, and correctness, and who want to build systems where microseconds and design … core engineering team responsible for low-latency, high-throughput systems that sit directly on the trading path. The work spans strategy execution, market data processing, and core infrastructure, with a strong focus on performance and reliability. You’ll collaborate closely with quants, traders, and other systems engineers, taking research ...

Preferred Skills: TransFICC Experience, highly desirable Hot Code path optimization, Off-heap memory management techniques JVM internals, tuning for low-latency Low-latency messaging & data structures, network protocols, network I/O in Java LMAX Disruptor, Multi-Reactor, Chronicle Queue/Map, Aeron/Agrona or similar Your ...