1 to 25 of 88 Permanent Performance Optimisation Jobs in London

analytical use cases. Develop canonical, reusable datasets (curated marts) for Analytics, Actuarial, and Finance. Own the technical modelling layer in Snowflake including schema design, performance optimisation, cost control, and warehouse governance. Collaborate closely with Analytics Engineers using dbt, ensuring transformations are production-grade, tested, and fully documented. Data … feeds for analytics requirements. Partner with Data Analysts to accelerate dashboarding and advanced analytics. Collaborate with Technology teams to ensure secure, reliable platform operation. Performance, Optimisation & Cost Efficiency Optimise Snowflake/SQL/Python query performance, warehouse sizing, storage costs, and compute efficiency. Implement workload separation, time ...

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 ...

ASAP uration: 3-6 months Overview We’re supporting a fast-paced digital product company, looking for a Senior Frontend Developer to deliver high-performance, SEO-driven web applications. You’ll work across the full frontend lifecycle, building scalable, user-focused experiences and contributing to architectural decisions … modern, performance-led stack. Responsibilities Build scalable frontend applications using React (Next.js/Astro) and TypeScript Deliver high-performance, SEO-optimised experiences (Core Web Vitals, SSR/SSG, structured data) Develop clean, reusable UI components with TailwindCSS Collaborate cross-functionally with Product, Design, and Marketing teams Contribute ...

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 ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial … orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. ...

scalable, multi-prime broker plug-and-play product Reduce client onboarding time for new reporting deployments to under two weeks Improve load times and performance across existing data pipelines and dashboards Integrate external and client-side data sources into existing reporting infrastructure Work across the full stack: database layer … back-end logic, front-end delivery. Qualifications: Advanced Python: data processing, scripting, web frameworks (Streamlit, Django, or equivalent) C/C++: performance optimisation, low-level processing Java: application-level development Microsoft Azure: cloud deployment and hosted application environments Database optimisation: SQL, query tuning, load performance Front ...

mobile, and frontend teams. What You’ll Work On Designing and improving backend services that power web + mobile applications Building and maintaining high‐performance APIs and distributed microservices Solving problems around scalability, reliability, security, and automation Working with modern API protocols including GraphQL and gRPC Enhancing the platform … Building APIs for high‐scale consumer or B2B products Working with message queues like Kafka, RabbitMQ, NSQ, or Pulsar Integrating external APIs/services Performance optimisation & working under performance budgets Interest or experience in cryptocurrencies, Web3, or digital assets Open‐source contributions or tech blogs/talks ...

development using modern .NET, cloud, and database technologies Influence and shape cloud-based integration modernisation (Azure preferred) Troubleshoot complex integration issues, ensuring performance, reliability, and data quality Support documentation, standards, and governance for integration patterns Play a key role in solution design for business and digital transformation initiatives … integration technologies Experience designing and delivering integrations using RESTful services, messaging, or service bus patterns Solid understanding of SQL Server, T-SQL, and database performance optimisation Experience working with Azure (Functions, Service Bus, Logic Apps, AKS, or related services) Hands-on experience with CI/CD pipelines, DevOps ...

implementation of projects or features of moderate to high complexity. Write production-quality, well-tested, maintainable code aligned with engineering standards. Ensure reliability, performance, security, and scalability across systems and platforms. Drive investigation and resolution of complex technical issues across the stack. Contribute to and lead technical projects spanning … practices. Support security and regulatory compliance (e.g., ISO27001, PCI where applicable). Adhere to secure coding and operational best practices. Ensure systems meet reliability, performance, and quality standards. Key Skills & Attributes: Core expectations Significant experience as a Senior Software Engineer or equivalent. Deep expertise in at least ...

team's model library - working both individually and collaboratively. Providing leadership in areas such as object modelling & interface design, automated testing & refactoring and performance optimisation. Provide support to Trading & Origination on model usage and behaviour. Leverage the teams cross-asset expertise to connect business locations, helping to identify synergies ...

Data Factory). Experience designing and managing cloud data platforms (Snowflake essential; AWS/Azure/GCP desirable). Solid data modelling knowledge and performance optimisation skills. Awareness of data governance, security, and regulatory compliance . Ability to work closely with technical and business teams to deliver impactful ...

trading. Following the recent acquisition of a major energy trading and technology business, the firm has significantly expanded its capabilities in renewable power optimisation, analytics, and physical gas trading across international markets. They are now hiring a Senior Data Engineer to join their Technology Data, AI & UX team … working directly with front-office stakeholders and translating trading requirements into robust data solutions. What You’ll Be Doing Building and maintaining high-performance data pipelines ingesting structured and unstructured datasets from a variety of internal and external sources. Developing ingestion processes including scrapers, ETL pipelines, crawlers, streaming jobs ...

traders. This is a high-impact opportunity suited to engineers who thrive in complex, fast-paced environments - individuals who enjoy building distributed systems, optimising performance, and taking ownership of critical trading infrastructure. Key Responsibilities: Design, build, and enhance core trading and research platforms supporting: Strategy research and backtesting workflows … production-ready systems Contribute to the design and implementation of distributed, event-driven architectures using technologies such as Kafka and containerised environments Optimise system performance across both research and live trading environments, focusing on latency, throughput, and scalability Take ownership of production systems, including: Monitoring and reliability improvements Troubleshooting ...

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/ ...

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 ...

processing Provide fix-on-fail support and coordinate issue resolution Work closely with infrastructure teams to support IBM Power Systems performance and platform optimisation Application Delivery Lead development and delivery of application changes and enhancements Manage the transition of new solutions from project delivery into BAU support models … Application Support Ensure reliable support for core banking and business applications Oversee incident management, root cause analysis, and service improvement Implement application monitoring and performance optimisation Coordinate upgrades, patches, and maintenance with third-party vendors Team Leadership Lead and mentor a small team of developers and application support ...

technology at the core of its trading and risk management capabilities. They are continuing to invest in a centralised analytics platform that supports risk, performance, and execution insights across the full trading lifecycle. This platform processes large volumes of trading and market data to deliver timely, accurate analytics … pipelines supporting both real-time and scheduled analytics workloads (event-driven and batch processing) Develop and optimise services in Java and Python for high-performance data processing and analytics Work with large-scale datasets across relational and analytical data platforms Design systems capable of ingesting and processing trading, market ...

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 ...

product, QA, and design. - Drive improvements in engineering standards, tools, and processes. - Identify and reduce technical debt while supporting system modernisation efforts. - Ensure strong performance, scalability, security, and reliability across platforms. - Lead or contribute to technical initiatives spanning multiple systems. - Mentor team members and support knowledge sharing and hiring … understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging, and observability tools. - Exposure to legacy systems and modernisation projects is advantageous. - Knowledge of secure coding practices and common security standards. ...

provide innovative solutions to complex problems Support continuous improvement of data architecture and processes Key Requirements Strong experience in SQL for data manipulation and performance optimisation Hands-on experience with Power BI for dashboard development and reporting Proficiency in programming languages such as Python or R Experience ...

have): RabbitMQ, SignalR, broader Azure services 🌳 Azure Cognitive Search 🌳 Data pipelines (Fabric or similar) 🌳 Search technologies (Lucene, Elastic, NoSQL, MSSQL) 🌳 MS SQL views and performance optimisation 🌟 About You 🌳 A strong full-stack engineer with deep problem-solving instincts 🌳 Skilled at breaking down complexity into clear actions 🌳 Emotionally intelligent ...

have): RabbitMQ, SignalR, broader Azure services 🌳 Azure Cognitive Search 🌳 Data pipelines (Fabric or similar) 🌳 Search technologies (Lucene, Elastic, NoSQL, MSSQL) 🌳 MS SQL views and performance optimisation 🌟 About You 🌳 A strong full-stack engineer with deep problem-solving instincts 🌳 Skilled at breaking down complexity into clear actions 🌳 Emotionally intelligent ...

testing frameworks and strategies across unit, integration, E2E, and non-functional domains. Extensive experience with cloud-native environments—preferably GCP and Azure. Skilled in performance optimisation techniques. Deep understanding of web and mobile security best practices, including OWASP guidelines, secure authentication and authorisation. Experience with containerisation and infrastructure ...