22 of 22 Data Structures Jobs in the City of London

Role – Data Modelling Lead Technology – Snowflake, SQL Server, PostgreSQL, Data Warehousing, Data Lake, Medallion, Data Vault, Data Fabric, Semantic modelling Location – London, UK Job Description We are seeking an experienced Data Modeler who can analyze and understand the existing customer data and analytics … models on SQL Server, and design efficient data models for Snowflake. This individual will work closely with multiple Business Analysts to gather requirements and translate them into optimized data structures, ensuring scalability and compliance with industry standards. A strong understanding of Insurance domain concepts—including Specialized Insurance ...

Role: Data Architect Salary: £90,000 - £100,000 Contract Length: 24 months Fixed Term Contract Hybrid working: 2-3 days on site, Central London We are looking for an experienced Data Architect to join a global transformation programme to modernise core business processes through the implementation of Oracle … Fusion ERP and EPM. As a Data Architect, you will be tasked to define and govern the end‐to‐end data architecture for the Oracle Fusion landscape, ensuring data models, integrations, and information flows are secure, scalable, and fit for purpose. You will be working closely with ...

Senior Data Engineer London | Hybrid | AI-Native Consulting Environment £80,000-£90,000 + package Our client is a fast-growing, AI-native, engineering-led consultancy building advanced semantic, ontology-driven and agentic AI systems. As they deepen their data engineering capability, they are seeking a senior-level … Data Engineer to design and operate high-fidelity, ontology-aligned data foundations that power knowledge graphs, reasoning systems, retrieval layers and AI products. This is a strategic engineering role for someone who sees data not simply as pipelines and tables, but as structured, semantically coherent knowledge that ...

Reporting Analyst City of London Hybrid 12 month FTC - £80,000 Reporting Analyst, Data Analyst, BI Analyst A highly successful, financial services business based in the City are looking for a technically capable Reporting Analyst to join them on a 12 month FTC. This is a technical role … reporting and analysis to support the Finance Team's decision-making needs. Maintain and update reporting tables, views, and replications within the Autonomous Data Warehouse (ADW) to ensure data accuracy and availability. Perform detailed data analysis to identify trends, validate data integrity, and support business insights. ...

reporting and analysis to support the Finance Team's decision-making needs. Maintain and update reporting tables, views, and replications within the Autonomous Data Warehouse (ADW) to ensure data accuracy and availability. Perform detailed data analysis to identify trends, validate data integrity, and support business insights. … Lead and participate in ad-hoc data cleansing and data-fixing initiatives, such as supplier merges, multicurrency balance corrections, and prepayment adjustments. Support the development and enhancement of Finance systems, contributing to testing, design input, and continuous improvement initiatives. Provide reporting and system support via the Finance Helpdesk ...

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 ...

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 ...

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 ...

Senior Software Engineer | Charts Engineer | Data Visualisation | JavaScript | TypeScript London | to £200,000 depending on exp. I'm hiring a Senior Engineer to work on a widely-used, open-source charting library relied on by thousands of engineers building data-intensive products. This is not a typical frontend … software (products, platforms, or libraries) Strong JavaScript and/or TypeScript fundamentals Experience with 2D graphics (Canvas, SVG, Processing, or similar) Solid grounding in data structures, algorithms, and software design Experience with at least one statically typed language Working understanding of basic linear algebra Apply in confidence. Company ...

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 ...

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 What ...

000+ users Tech Stack NodeJS GraphQL (NestJS) PostgreSQL Prisma GCP Terraform AI/LLM integrations (including Gemini) What They’re Looking For Strong fundamentals: data structures, OOP, and complexity analysis Experience building high-concurrency, event-driven systems Reliability mindset (monitoring, logging, QA, incident-aware design) Experience integrating ...

tech firm seeking an FPGA/ASIC Hardware Engineer to design high-performance, low-latency compute systems. You’ll design RTL in SystemVerilog, optimise data pipelines, and work on advanced hardware platforms in a hands-on, performance-focused role—no industry background required. Key responsibilities: Design and develop FPGA …/or ASIC solutions as part of a cross-functional engineering team Implement and optimise RTL for complex data structures and processing pipelines Explore and evaluate new tools, technologies, and architectures Contribute to a fast-moving, modern hardware development environment Key requirements: 4+ years’ experience in FPGA ...

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 ...

Aeron in high-performance capital markets or digital assets environments Deep understanding of distributed systems, event-driven architecture and consensus models Strong knowledge of data structures (maps, sets, queues, etc.) Experience operating within Agile frameworks and structured SDLC environments Excellent communication skills and ability to build trusted client ...

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 ...

About the Company A growing technology organisation is seeking a Senior Software Engineer to join its Data Platform team, working on tools and APIs that connect raw and enriched data to user-facing applications. About the Role This role offers the opportunity to collaborate closely with world-class … data engineers and product managers to deliver a unified, reusable, query-ready platform that empowers customers to explore, integrate, and build data products with confidence. You’ll play a key role in bridging backend data with frontend interfaces while helping shape new initiatives across the product landscape. ...

management) to gain alignment on designs based upon process changes and integration requirements. Coordinate with the supplier to ensure mutual understanding of system behaviours, data structures, and integration constraints. Present findings, options, and recommendations to senior stakeholders. Skills & Experience Proven experience as a Solution Architect in technology focused ...

someone who is comfortable building without perfect specs and takes initiative naturally. Requirements Strong Node.js and GraphQL (NestJS) experience PostgreSQL, Prisma, and solid data structures/OOP fundamentals Experience building high-concurrency, event-driven systems GCP experience (Terraform desirable) Experience working with AI/LLMs in production environments ...

Expansion Lead “special task force” initiatives for priority accounts, coordinating product, operations, and leadership teams. Map complex financial workflows (wallet, exchange, custody, payment, business data) and guide technical integration + migration plans. Contribute to RFPs, enterprise pricing, contract structuring, and negotiation. 3. Product Knowledge & Industry Expertise Maintain a deep … systems, regulatory reporting, and audit requirements. Provide feedback to product teams based on institutional use cases (three-way reconciliation, valuation automation, audit trails, enterprise data structure). 4. Customer Success Collaboration Work with project managers and operations teams to ensure smooth onboarding and high retention. Identify upsell/cross ...

multi-award-winning research agency in mid-transformation. Were rebuilding our processes from the inside out, including using Displayr to streamline our data pipeline. The Role Weve moved to Displayr, and need someone who can use it with confidence, curiosity and creativity. You will be the connection between teams … part Displayr specialist, part problem-solver, part data scientist. This is a role at the coal-face of our work. Youll manage an ever-shifting workload, keeping projects on track amid changing priorities and pipelines. Key Responsibilities Consistently delivering clean, accurate tables & reports Help us to maximise the benefits ...