51 to 75 of 163 Data Structures Jobs in Central London

in C++ Development within a high-frequency trading (HFT) environment. Key Responsibilities Serve as lead developer responsible for system design and implementation Develop low-latency trading gateways and market data interfaces Enhance and maintain BGC’s proprietary matching engine infrastructure Collaborate with cross-functional teams to deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of … Unicast, and Multicast Familiarity with HFT techniques such as lock-less queues and circular buffers Experience with messaging architectures (e.g., Solace, 29West, ActiveMQ) In-depth knowledge of in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance More ❯

Must hold or be eligible for SC Clearance About the Project Our client is a confidential technology organisation operating within the defence and national security domain. They develop secure, data-driven software systems that deliver critical insight and decision advantage. You will join a small, high-calibre engineering team at the start of a brand-new project. The team … is building a next-generation platform that handles large-scale, multi-tenant, geospatial and graph-based data in a secure cloud environment. This is an opportunity to work on greenfield architecture using modern languages and infrastructure, and to help define best practices across a critical mission space. The Role As a Contract Backend Engineer, you will work closely with … CTO and senior engineers to design and deliver secure, scalable backend APIs that power complex analytical and operational systems. You will be instrumental in defining architecture patterns, integrating geospatial data sources, and working with modern cloud-native technologies. Tech Stack Languages: Python (preferred), GoLang, or Rust Databases: Relational and Graph Infrastructure: GCP, Serverless, Containers, Kubernetes (not essential) IaC: Terraform More ❯

Must hold or be eligible for SC Clearance About the Project Our client is a confidential technology organisation operating within the defence and national security domain. They develop secure, data-driven software systems that deliver critical insight and decision advantage. You will join a small, high-calibre engineering team at the start of a brand-new project. The team … is building a next-generation platform that handles large-scale, multi-tenant, geospatial and graph-based data in a secure cloud environment. This is an opportunity to work on greenfield architecture using modern languages and infrastructure, and to help define best practices across a critical mission space. The Role As a Contract Backend Engineer, you will work closely with … CTO and senior engineers to design and deliver secure, scalable backend APIs that power complex analytical and operational systems. You will be instrumental in defining architecture patterns, integrating geospatial data sources, and working with modern cloud-native technologies. Tech Stack Languages: Python (preferred), GoLang, or Rust Databases: Relational and Graph Infrastructure: GCP, Serverless, Containers, Kubernetes (not essential) IaC: Terraform More ❯

Anaplan/Data Modeller UK, hybrid Full-time, Permanent Codex are partnered with a leading firm looking for an experienced Anaplan/Data Modeller to join their Finance Technology team, someone who can bridge the gap between finance, data, and technical systems. This role is ideal for someone who enjoys getting hands-on with Anaplan while also … working closely with stakeholders to improve forecasting, budgeting, and reporting processes. What youll be doing Maintaining and enhancing Anaplan Models (lists, modules, and data structures). Supporting finance with forecasting, budgeting, and management reporting. Managing day-to-day Anaplan changes and small development tasks. Helping automate data flows between Databricks and Anaplan. Building and linking reporting using More ❯

Anaplan/Data Modeller 📍 UK, hybrid 💼 Full-time, Permanent Codex are partnered with a leading firm looking for an experienced Anaplan/Data Modeller to join their Finance Technology team, someone who can bridge the gap between finance, data, and technical systems. This role is ideal for someone who enjoys getting hands-on with Anaplan while also … working closely with stakeholders to improve forecasting, budgeting, and reporting processes. What you’ll be doing Maintaining and enhancing Anaplan Models (lists, modules, and data structures). Supporting finance with forecasting, budgeting, and management reporting. Managing day-to-day Anaplan changes and small development tasks. Helping automate data flows between Databricks and Anaplan. Building and linking reporting More ❯

macro and crypto analytics. Our in-house technology powers a suite of innovative financial solutions, delivering deep market insights and actionable intelligence for professional investors and institutions. By combining data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior … Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring that our analytics and trading systems remain at the forefront of financial innovation. You will provide the content of our proprietary investment framework directly to our clients. In order to succeed … you are required to deep dive and analyze various use cases with different teams like investment, finance, data or strategy engineers. Apart from supporting our constantly evolving products by driving the development of our components, you will actively help in business requirement analysis and specification to improve not only the tools but also processes and information flow throughout the More ❯

macro and crypto analytics. Our in-house technology powers a suite of innovative financial solutions, delivering deep market insights and actionable intelligence for professional investors and institutions. By combining data science, algorithmic precision, and intuitive design, we develop cutting-edge tools that enable users to analyze, interpret, and act on market dynamics with confidence. Your role As a Senior … Software Engineer in the Product Engineering team you will build and evolve a data and content dissemination platform (Web, App, APIs, messaging) and corresponding data pipelines, ensuring that our analytics and trading systems remain at the forefront of financial innovation. You will provide the content of our proprietary investment framework directly to our clients. In order to succeed … you are required to deep dive and analyze various use cases with different teams like investment, finance, data or strategy engineers. Apart from supporting our constantly evolving products by driving the development of our components, you will actively help in business requirement analysis and specification to improve not only the tools but also processes and information flow throughout the More ❯

a key part in supporting BAU activity, campaign analysis, and the CRM migration process. Youll work closely with the CRM Lead to maintain day-to-day operations, deliver key data and reporting requests, and assist in defining how data and campaigns transition into the new environment. Key Responsibilities Support the delivery of BAU CRM campaigns across multiple channels … ensuring accuracy and timely deployment. Work closely with the CRM Lead to align on data strategy, migration requirements, and campaign planning. Deliver campaign performance reporting, pulling data and producing insight-led summaries in Excel and dashboards. Manage ad-hoc data and insight requests, including running SQL queries to extract and analyse campaign data. Partner with cross-market … stakeholders to ensure consistency across UK and European teams. Support the assessment of CRM migration requirements, determining which campaigns, workflows, and data structures should be migrated or redefined. Provide recommendations to optimise CRM processes and data flows in collaboration with the technical and development teams. Skills & Experience: Strong experience working in CRM operations, campaign management, or lifecycle More ❯

key part in supporting BAU activity, campaign analysis, and the CRM migration process. You’ll work closely with the CRM Lead to maintain day-to-day operations, deliver key data and reporting requests, and assist in defining how data and campaigns transition into the new environment. Key Responsibilities Support the delivery of BAU CRM campaigns across multiple channels … ensuring accuracy and timely deployment. Work closely with the CRM Lead to align on data strategy, migration requirements, and campaign planning. Deliver campaign performance reporting, pulling data and producing insight-led summaries in Excel and dashboards. Manage ad-hoc data and insight requests, including running SQL queries to extract and analyse campaign data. Partner with cross-market … stakeholders to ensure consistency across UK and European teams. Support the assessment of CRM migration requirements, determining which campaigns, workflows, and data structures should be migrated or redefined. Provide recommendations to optimise CRM processes and data flows in collaboration with the technical and development teams. Skills & Experience: Strong experience working in CRM operations, campaign management, or lifecycle More ❯

seeking a Technical Business Analyst with deep knowledge of insurance pricing and underwriting systems to bridge the gap between actuarial, product and engineering teams. You’ll gather requirements, design data flows, and help implement pricing models, APIs and analytical capabilities that drive better underwriting decisions. Key Responsibilities: Define and document requirements for pricing system integrations, model deployment and API … workflows. Translate pricing models (Excel/Python/R) into technical specifications for developers and data engineers. Collaborate with underwriters and actuaries to improve model governance, version control and reporting. Support UAT, model validation and release testing. Deliver insights and metrics around model performance, quote success and underwriting efficiency. Partner with insurers and MGAs to streamline pricing and underwriting … in a Business Analyst or Technical Analyst role within insurance, reinsurance or InsurTech. Experience with pricing or rating systems, underwriting workflows or model integration projects. Strong understanding of insurance data structures, rating factors and model governance. Skilled in SQL and BI tools (Power BI, Tableau, Looker). Comfortable working with APIs, data pipelines and collaborating with developers. More ❯

seeking a Technical Business Analyst with deep knowledge of insurance pricing and underwriting systems to bridge the gap between actuarial, product and engineering teams. You’ll gather requirements, design data flows, and help implement pricing models, APIs and analytical capabilities that drive better underwriting decisions. Key Responsibilities: Define and document requirements for pricing system integrations, model deployment and API … workflows. Translate pricing models (Excel/Python/R) into technical specifications for developers and data engineers. Collaborate with underwriters and actuaries to improve model governance, version control and reporting. Support UAT, model validation and release testing. Deliver insights and metrics around model performance, quote success and underwriting efficiency. Partner with insurers and MGAs to streamline pricing and underwriting … in a Business Analyst or Technical Analyst role within insurance, reinsurance or InsurTech. Experience with pricing or rating systems, underwriting workflows or model integration projects. Strong understanding of insurance data structures, rating factors and model governance. Skilled in SQL and BI tools (Power BI, Tableau, Looker). Comfortable working with APIs, data pipelines and collaborating with developers. More ❯

power our trading infrastructure. Collaborate with senior engineers to enhance system performance and reliability. Participate in code reviews, pair programming, and agile development processes. Work closely with traders and data analysts to understand real-world requirements and translate them into elegant technical solutions. What We’re Looking For Solid understanding of Java and core computer science principles (data structures, algorithms, OOP). Strong problem-solving skills and attention to detail. Eagerness to learn about trading systems, low-latency development, and financial markets. Experience with data analytics tools or frameworks (Python, SQL, Pandas, etc.) is advantageous but not essential. A degree in Computer Science, Engineering, or a related field (or equivalent practical experience). Why Join More ❯

build and optimise back-testing tooling, research infrastructure, and algorithmic trading systems that support the firms systematic traders. While your focus will be on engineering including APIs, automation, and data pipelines youll also gain occasional exposure to strategy development and signal testing. Key Responsibilities Design, build, and maintain back-testing frameworks and research tools Develop APIs and automation systems … and execution Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 13 years professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of algorithms … data structures, and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯

and optimise back-testing tooling, research infrastructure, and algorithmic trading systems that support the firm’s systematic traders. While your focus will be on engineering — including APIs, automation, and data pipelines — you’ll also gain occasional exposure to strategy development and signal testing. Key Responsibilities Design, build, and maintain back-testing frameworks and research tools Develop APIs and automation … and execution Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 1–3 years’ professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of … algorithms, data structures, and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯

art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading algorithms in collaboration with quantitative researchers and traders. Handle large volumes of market data in real-time, ensuring accurate and fast data ingestion, processing, and storage to feed trading algorithms. Key Requirements: Bachelors or Masters degree in Computer Science, Engineering, or a … related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real-time systems (C Java) Experience writing software for massive scale (Up to 100s billions of records at a time!) Proficiency in Linux More ❯

art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading algorithms in collaboration with quantitative researchers and traders. Handle large volumes of market data in real-time, ensuring accurate and fast data ingestion, processing, and storage to feed trading algorithms. Key Requirements: Bachelor’s or Master’s degree in Computer Science, Engineering … or a related field. 1+ years of professional development experience as a Software Engineer in either C++, Python, Java or Rust. Strong understanding of data structures, algorithms, and software design principles. Experience with multi-threaded programming and real-time systems (C Java) Experience writing software for massive scale (Up to 100s billions of records at a time!) Proficiency More ❯

with international teams, delivering systems used daily across the US, Europe, and Asia. What They’re Looking For 8+ years of professional Core Java development experience Strong knowledge of data structures and algorithms Hands-on experience with SQL and at least one scripting language (Python, Perl, Shell etc.) Solid understanding of network programming fundamentals Degree in Computer Science More ❯

Collaborate with international teams, delivering systems used daily across the US, Europe, and Asia. What Theyre Looking For 8+ years of professional Core Java development experience Strong knowledge of data structures and algorithms Hands-on experience with SQL and at least one scripting language (Python, Perl, Shell etc.) Solid understanding of network programming fundamentals Degree in Computer Science More ❯

Software Engineer to help build and 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 operations. Take ownership of … key 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 software. Contribute to continuous improvement by identifying opportunities to … in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud-based infrastructure (Google Cloud, AWS, or Azure) Passion for building customer-centric products and working collaboratively to solve complex More ❯

Software Engineer to help build and 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 operations. Take ownership of … key 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 software. Contribute to continuous improvement by identifying opportunities to … in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud-based infrastructure (Google Cloud, AWS, or Azure) Passion for building customer-centric products and working collaboratively to solve complex More ❯

company based in London. The successful candidates will be working closely with the quantitative researchers and alongside other extremely talented and driven engineers to build out external integrations both data/exchange and support systematic trading models. You will be joining a tight-knit team of research mathematicians, computer scientists and trading analysts at the top of their chosen … in Python, with exposure to DevOps practices and Linux environments Experience integrating with RESTful and streaming APIs Familiarity with cloud services such as AWS Solid understanding of databases and data structures Strong analytical skills and a proactive approach to problem-solving Ability to work independently, take ownership, and communicate effectively Benefits: Working alongside other extremely talented and driven More ❯

company based in London. The successful candidates will be working closely with the quantitative researchers and alongside other extremely talented and driven engineers to build out external integrations both data/exchange and support systematic trading models. You will be joining a tight-knit team of research mathematicians, computer scientists and trading analysts at the top of their chosen … in Python, with exposure to DevOps practices and Linux environments Experience integrating with RESTful and streaming APIs Familiarity with cloud services such as AWS Solid understanding of databases and data structures Strong analytical skills and a proactive approach to problem-solving Ability to work independently, take ownership, and communicate effectively Benefits: Working alongside other extremely talented and driven More ❯

70k FTC Are you a 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 whilst enjoying a range of perks and benefits. 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/WFH: You'll join colleagues in the City office three … development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full More ❯

a strong knowledge of databases (SQL or 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's in it for More ❯

ship fast. What youll build: Pre-trade analytics (liquidity/pricing/scenario/what-if) and risk calculation services used in real time on the desk. Low-latency data services and streaming APIs (WebSockets/gRPC etc.) for live market and risk data. High-performance trader-facing UIs: time series views, blotters, RFQ/axe views, portfolio & risk … compensation. High visibility. High expectations. No bureaucracy. Core requirements Expert-level proficiency in Python and JavaScript/TypeScript/React. 3+ years professional software engineering experience. Strong CS fundamentals (data structures, algorithms, performance). Comfortable building for live, data-heavy, real-time environments. Sharp communicator whos happy to sit with risk takers, challenge ideas, and ship what … international equivalent from a top-ranked university). Nice to have (not required) Fixed income/macro/FX/electronic trading/risk experience. Background in real-time, data-intensive, or low-latency environments. If youre impact-led, comfortable owning production software that sits next to real money, and want to work where engineering output is directly tied More ❯