1 to 25 of 40 Performance Optimisation Jobs in the City of London

would be beneficial. Key Responsibilities: Lead front-end development across LibertyLondon.com (Salesforce Commerce Cloud) and the Fabrics site (WordPress), ensuring high standards of quality, performance, and maintainability. Translate design systems, wireframes, and high-fidelity designs into robust, scalable, and accessible front-end solutions. Own and influence front-end architectural … discovery and planning process. Design, build, and deploy MVT and A/B complex experiments using Dynamic Yield, collaborating with analytics and optimisation teams to improve conversion and usability. Support HTML email development, ensuring consistency, accessibility, and responsiveness across clients and devices. Champion front-end best practices, including performance ...

looking for a C++ Trading Platform Developer to join its London-based team. This is an opportunity to work at the intersection of high-performance engineering and digital asset markets, building and scaling a global trading platform that operates across dozens of exchanges worldwide. The environment combines the technical … 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 C++ and Python, running on Linux across both development and production. The focus ...

product-focused environment where engineering decisions have direct impact at scale. The team operates at pace, with a strong emphasis on ownership, performance, and continuous iteration. The Role - Remote Europe (CET 3 We are seeking Senior Backend focused Full Stack Engineers to join a fully remote, cross-functional team … Responsibilities Design, build, and maintain scalable backend systems Work on high-traffic applications used by a global user base Contribute to architecture and performance optimisation Collaborate with cross-functional teams including Product, Design, and DevOps Take ownership of features from concept through to deployment Requirements 5+ years ...

most prestigious and discreet quantitative trading firms globally. Our client operates at the cutting edge of systematic trading, leveraging advanced research, high-performance computing, and world-class engineering to drive consistent alpha. They are seeking an exceptional Senior Python Software Engineer to join their core trading infrastructure team. This … live trading strategies across global markets. The environment is intellectually rigorous, highly collaborative, and uncompromising on technical excellence. Key Responsibilities Architect and develop high-performance Python systems for trading, data processing, and research Collaborate closely with quantitative researchers and traders to productionise models Optimise systems for latency, throughput ...

Backend Engineer (High-Performance Systems) London | £80K–£120K + Equity (DOE) Traditional financial markets are broken. Our client is rebuilding them from the ground up. They’re a well-funded, early-stage fintech building next-generation infrastructure for global trading markets — enabling always-on, high-performance systems that … world impact. The Role You’ll design and build ultra-reliable, low-latency backend systems powering real-time trading infrastructure. Build fault-tolerant, high-performance services with strict latency requirements Own system reliability, scalability, and performance (p99 matters) Implement robust testing frameworks (CI/CD, load testing, chaos ...

Opportunity We’re partnering with a high-performance quantitative technology firm building front-office pricing and risk infrastructure used directly by portfolio managers and traders at leading hedge funds and asset managers . This is not a support or library role. You will be developing production pricing and risk … services used in live trading environments Work directly with portfolio managers, traders, and quant researchers to shape analytics and tools Contribute to a high-performance cross-asset platform (Rates, FX, Credit, Equities, Commodities) Improve performance, scalability, and robustness of real-time systems Develop research tooling and workflows ...

integrate into the Arrive Global Platform, we are looking for a Staff Engineer. We are transitioning from a established PHP foundation to a high-performance, modern ecosystem built on Java and Kotlin . We need a technical heavyweight who can navigate our roots while architecting the future of global … platform while collaborating closely with engineers, product teams, and stakeholders. Your work will include: Leading architecture discussions and technical decision-making Improving performance, scalability, and reliability of our platform Diagnosing complex issues across local, pre-release, and production environments Driving engineering best practices across DevSecOps, CI/ ...

JavaScript applications that support multiple brands Create custom Gutenberg blocks, APIs, and integrations aligned with modern WordPress best practices Monitor, troubleshoot, and improve performance across Core Web Vitals, response times, and database queries Work closely with cross-functional teams (engineering, editorial, product, support) to diagnose issues and drive delivery … JavaScript, and modern front-end frameworks (React) Proven experience building custom Gutenberg blocks, WP-JSON API endpoints, and custom feeds Solid understanding of performance optimisation, Core Web Vitals, caching strategies, and scalability Confidence working with Git, Agile delivery methods, and tools such as JIRA in fast‐paced environments ...

data integration workflows. Operational Excellence: Contribute to defining reusable development patterns, enforcing coding standards, and implementing MLOps best practices that support version control, performance optimisation, and maintainability. Cross-Disciplinary Collaboration: Work side-by-side with data scientists, product managers, platform engineers, and QA teams to align on technical ...

that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable … applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability, and automation across systems ...

leader within the Surveillance Technology team. Provide expert oversight across analysis, architecture, design and delivery of complex systems. Architect, build, and evolve scalable, high-performance solutions for Communications Surveillance and Record Keeping. Lead engineering standards: architecture reviews, vendor assessments, impact analysis, and automated testing. Mentor and develop engineering talent … Record Keeping. Translate complex technical concepts for both technical and non-technical stakeholders. Support agile planning, estimation and prioritisation. Identify opportunities for system optimisation, refactoring, and alignment to target architectures. Manage technical risks, issues and dependencies. Benchmark against peer organisations to ensure alignment with regulatory and industry expectations. Experience ...

used in live trading and portfolio construction. The role sits at the intersection of quantitative modelling and production software engineering , working on a high-performance analytics platform covering Rates, FX, Credit, Equities, and Commodities , with particular focus on Interest Rate Derivatives . This is an excellent opportunity … Working On Implement and extend pricing models and quantitative analytics for Interest Rate Derivatives within a large-scale production platform Build high-performance services in C# integrated with a proprietary C++ quantitative library Develop Python tooling and research workflows used by quant researchers and portfolio managers Work closely with ...

including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

fluent in the full Microsoft data stack. You will be the primary developer of enterprise reporting across commercial, financial, operational, and project performance domains - working directly with business stakeholders to turn complex construction data into trusted, performant analytical outputs. You will work within a small, high-calibre Digital … through to production deployment, across all business domains. Develop complex semantic models with production-quality DAX - including advanced time intelligence, calculation groups, UDFs and performance-optimised measures at scale. Write advanced M/Python transformations, including custom functions, parameterised queries, and API connections to source systems. Manage model definitions ...

direct reports including the Software Development Manager, Head of Technology Operations, Staff Engineer and DBA. Provide structured support to technology leads on career development, performance reviews, calibration, and the creation and tracking of quarterly OKRs Champion continuous learning, innovation and simplification, with a strong focus on reducing technical debt … metrics, technical debt visibility, incident trends and key operational insights, enabling data-driven decision making across engineering. Manage engineering budgets, commercial relationships and vendor performance measures Support CTO in shaping technology strategy, investment planning and governance oversight Accountable for, but shared responsibility Ensure effective resource planning and workforce strategy ...

focused interfaces using modern JavaScript frameworks Partner with product leaders and AI specialists to translate concepts into stable, deployable solutions Contribute to system reliability, performance optimisation and engineering best practice Tech Stack: Back end: Node.js, TypeScript, NestJS Front end: React and modern front end tooling Cloud: AWS including ...

providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications … commodities trading, risk management, and real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance ...

looking to work on problems that genuinely test the limits of performance, scale, and engineering craft? We are building a small, elite team of systems engineers to design and evolve the core infrastructure that powers a highly sophisticated trading platform. This is not application level development. This is deep … work on performance critical systems where nanoseconds matter, correctness is non 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 ...

Engineer ready to take the next step in their career. This is not your typical Software development role. You will be working on high-performance systems where efficiency, precision and scalability directly impact customers across the globe. With this company set to secure some significant funding, this … will design and build production-grade C++ software that sits at the intersection of advanced engineering and solving real-world problems.. From optimising performance in modern C++ to contributing to user-facing tools. C++ Software Engineer requirements Strong experience with modern C++ (C++11 or newer) Experience working with ...

ALERT 🚨 – Quantitative Developer 💻 Python – High Performance Quant Trading Systems 🕑 Strong experience building scalable production-grade systems 📍 London (cutting-edge research environment, Soho) 💰 Up to £350,000 total compensation Highlights: 🔷 Build and optimise high-performance trading, simulation, and research systems at scale 🔷 Work side-by-side with quant researchers … edge models 🔷 Tackle complex engineering challenges across distributed compute, ML, and data-intensive workflows leveraging modern advancements in AI tech 🔷 Contribute to system architecture, performance optimisation, and scalability across a global platform ...

people genuinely love what they work on Friendly, tight-knit engineering culture Flat structure with clear and achievable progression Exposure to cutting-edge tooling, performance optimisation, and large-scale systems ...

Fabric etc) before moving into Product Ownership Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance Development Framework experience within Microsoft Stack Technologies Experience with implementing and optimising scalable cloud infrastructure is highly valued Backlog management ...

with core data engineering tools and technologies (e.g. ETL/ELT pipelines, data warehouses, orchestration tools) Strong understanding of data modelling, data quality, and performance optimisation Desirable Experience Experience with Palantir (Foundry, Gotham) Willingness and aptitude to learn Palantir technologies on the job Background working in defence, government ...

data models and PQL logic that supports end‐to‐end visibility. Top 5 responsibilities : Data Engineering & Event Log Construction Data Model & Data Pipeline Development Performance Optimization & Quality Collaboration & Technical Documentation Governance & Engineering Best Practices Experience : 3+ years Celonis Process Mining experience Frameworks - CCPM & OCPM SQL, Python, data modeling ...

data models and PQL logic that supports end‐to‐end visibility. Top 5 responsibilities : Data Engineering & Event Log Construction Data Model & Data Pipeline Development Performance Optimization & Quality Collaboration & Technical Documentation Governance & Engineering Best Practices Experience : 3+ years Celonis Process Mining experience Frameworks - CCPM & OCPM SQL, Python, data modeling ...