151 to 175 of 491 Performance Optimisation Jobs in London

underpin the firm's systematic trading ambitions. You will work directly with a hiring manager whose background spans HFT, ultra-low-latency systems, kernel optimisation, network infrastructure, and exchange connectivity. The Opportunity You will be responsible for designing and building the performance-critical infrastructure that powers the firm … including: Ultra-low-latency trading and execution systems Market data handlers, feed processing, and normalisation pipelines Exchange connectivity, order gateways, and routing infrastructure High-performance distributed systems Event-driven architectures operating under strict latency constraints Performance-sensitive C++ components where microseconds directly impact outcomes Requirements 2-15 years ...

alongside experienced engineers developing the next generation of low latency electronic trading systems supporting global markets. If you enjoy solving complex engineering problems where performance, reliability and speed matter, this is the type of environment you'll thrive in. The Opportunity You will become part of a highly experienced … electronic trading platforms across multiple asset classes. Working closely with traders, quantitative teams and business stakeholders, you'll build software that directly impacts trading performance and execution quality. Projects include: Designing and building low latency Java applications Developing electronic trading and execution platforms Building pricing and market data infrastructure ...

fantastic opportunity has arisen for an HPC Architect to join a department to assist with the design, development, and evolution of high-performance computing infrastructure within a complex engineering environment. This role performs the duties of HPC architecture, infrastructure strategy, and system oversight, and reports to the senior leadership … term HPC architecture roadmap aligned with organisational objectives Architect large-scale HPC environments including CPU, GPU, and accelerator-based systems Design and optimise high-performance networking solutions (InfiniBand, RDMA, high-speed Ethernet) Develop scalable storage architectures including parallel file systems, object storage, and tiered storage Provide technical leadership ...

direction and architecture of the Lending & Savings platform. Design and build scalable, secure, and highly available distributed systems. Make key architectural decisions balancing scalability, performance, security, and maintainability. Remain hands-on, contributing production-quality code and reviewing critical changes. Drive engineering best practices across system design, testing, deployment, observability … delivery timelines. Collaborate with Product Design, Treasury, Trading, Risk, Compliance, and Infrastructure teams to build customer-focused solutions. Contribute to improving user journeys, performance, and platform reliability through continuous iteration. Team LeadershipLead, mentor, and grow a small team of engineers. Foster a culture of ownership, collaboration, and technical excellence. ...

data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … cloud data platforms. Make key architectural decisions covering technology selection, integration patterns, build-versus-buy approaches, security, governance, performance and operational support. Lead multidisciplinary delivery teams of engineers, data scientists and AI specialists, providing technical direction from initial concept through to production deployment and optimisation. Design solutions that meet ...

data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … cloud data platforms. Make key architectural decisions covering technology selection, integration patterns, build-versus-buy approaches, security, governance, performance and operational support. Lead multidisciplinary delivery teams of engineers, data scientists and AI specialists, providing technical direction from initial concept through to production deployment and optimisation. Design solutions that meet ...

apply large language models (LLMs) and other Natural Language Processing (NLP) techniques across the firm. We are looking for an exceptional NLP Performance Engineer to join our NLP Engineering team and take ownership of large-scale LLM inference performance. This is a specialist Quantitative Developer role. Like … Quantitative Developers, you will work alongside researchers to bring their ideas to life, with a particular focus on maximising the performance of LLMs. This is a hands‐on, high‐impact role. You will design and implement techniques that improve the performance, cost‐efficiency and capabilities of inference workloads ...

based tools. Technical Excellence: Promote strong software engineering practices across backend and frontend development, including CI/CD, testing, secure by default development, performance optimisation and observability. Technical Leadership: Provide hands‐on technical leadership through design reviews, mentoring and knowledge sharing, helping raise engineering standards across the team. … modern JavaScript/TypeScript, with experience building and maintaining production web interfaces. Proficiency with HTML and CSS, and an understanding of usability, accessibility and performance considerations. Experience working across data, backend and UI layers, collaborating with others rather than owning every layer in isolation. Ability to make thoughtful technical ...

Coordinate upgrades, maintenance activities, and technology refresh programmes with minimal business disruption. Manage relationships with third-party vendors and technology partners. Implement application monitoring, performance optimisation, and support processes. Ensure applications remain compliant with regulatory, security, audit, and data protection requirements. Support business continuity and disaster recovery planning … Technical expertise in AS/400, IBM Power Systems, RPG, and COBOL. Understanding of end-of-day processing, backup and recovery processes, and platform performance management. Strong stakeholder management, communication, and presentation skills. Bachelor's degree in Computer Science, Information Technology, or a related discipline. Relevant certifications such ...

Requirements SQL/data processing experience Scalable data pipeline development Some experience building effective programmatic interfaces in any language. Desirables Experience with PostgreSQL query performance optimisation Experience with Python HTTP, API development, automated testing and data pipeline design. Experience ensuring data quality, integrity, and performance Hands ...

apply large language models (LLMs) and other Natural Language Processing (NLP) techniques across the firm. We are looking for an exceptional NLP Performance Engineer to join our NLP Engineering team and take ownership of large-scale LLM inference performance. This is a specialist Quantitative Developer role. Like … Quantitative Developers, you will work alongside researchers to bring their ideas to life, with a particular focus on maximising the performance of LLMs. This is a hands-on, high-impact role. You will design and implement techniques that improve the performance, cost-efficiency and capabilities of inference workloads ...

infrastructure that underpin a sophisticated trading operation. As a C#/.NET Software Engineer, you’ll be involved in designing, developing and improving high-performance, low-latency software used across the firm's trading and research ecosystem. You’ll have the opportunity to work on: High-performance C# …/.NET applications and services Trading, market data and execution systems Real-time, event-driven architectures Distributed systems and messaging Performance optimisation and concurrency Internal tooling and platforms supporting quantitative research Designing robust, scalable software in a highly performance-sensitive environment We’re interested in software engineers ...

pain; you define the problem, not just the solution. Engineer AI solutions properly. Pipelines, LLM API integration, evals, guardrails, monitoring, and cost and accuracy optimisation for the systems you build. Know when a step must be deterministic and when an LLM is the right tool. Graduate tools into business … testing prompts and workflows. Safety and guardrails in practice: PII handling, data-boundary discipline, prompt-injection awareness, human-in-the-loop design. Cost and performance optimisation: model selection, caching, batching, token economics, latency budgets. Deployment and operations: CI/CD, containerisation, monitoring and alerting for AI workloads. Data ...

pain; you define the problem, not just the solution. Engineer AI solutions properly. Pipelines, LLM API integration, evals, guardrails, monitoring, and cost and accuracy optimisation for the systems you build. Know when a step must be deterministic and when an LLM is the right tool. Graduate tools into business … testing prompts and workflows. Safety and guardrails in practice: PII handling, data-boundary discipline, prompt-injection awareness, human-in-the-loop design. Cost and performance optimisation: model selection, caching, batching, token economics, latency budgets. Deployment and operations: CI/CD, containerisation, monitoring and alerting for AI workloads. Data ...

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 ...

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 ...

data platforms. Take ownership of the SDLC, delivering clean, secure, and maintainable code aligned to engineering standards. Promote engineering excellence through structured code reviews, performance optimisation, refactoring, and best practice adoption. Drive automation across build, testing, deployment, and environment management processes to improve reliability and efficiency. Provide technical ...

requirements and SLAs. A strong experience using batch orchestration tools like Airflow and DBT. A strong of data warehousing patterns (e.g. lakehouse and medallion), performance optimisation (Spark/Delta), and data quality monitoring. Technical authoring and architecture design experience. Lead initiatives to build and deploy data products ...

Experience building large-scale, enterprise-grade applications. Knowledge of state management frameworks (Redux, Context API, etc.). Understanding of UI/UX principles and performance optimization. Familiarity with testing frameworks and CI/CD pipelines. Excellent problem-solving and collaboration skills. Nice to have: Financial services or trading systems ...

support Agentforce and Agentic AI solutions. Develop reusable Apex components, automation, workflows, approvals and security controls. Work with SOQL, SOSL, asynchronous Apex and performance optimisation. Support Salesforce DX, CI/CD and deployment processes. Troubleshoot complex Salesforce applications and integrations. Collaborate with architects, business analysts and stakeholders to translate ...

Familiarity with technologies such as Apache Spark, Airflow, Kafka, Elasticsearch/OpenSearch, Pandas and Polars . Strong understanding of data modelling, storage architecture and performance optimisation. Desirable Experience working on AI or Machine Learning platforms. Knowledge of cloud platforms (AWS, Azure or GCP). JavaScript/Node.js experience. Event ...

designed for: data analytics forecasting feature engineering customer behavior analysis integration of new data sources Data Transformation & Governance Lead best practices in: data modelling performance optimization data governance consistent available reliable Build reusable technology enabling teams to: ingest data store data transform data serve their own data products Collaboration ...

Experience with Adobe Assets, Adobe Marketo , and familiarity with Adobe Analytics and Adobe Target (advantageous). Strong understanding of web application security, scalability, and performance optimization . Experience migrating legacy content into AEM, including scripting and automating content workflows. Familiarity with Adobe I/O , GraphQL , and Content Fragment ...

analytics workload enablement Define and scale the enablement experience for Snowflake developers working across SQL, data modeling, analytics engineering, dashboards, pipelines, governance, and performance optimization. Create documentation, samples, walkthroughs, and adoption assets for workflows across SQL, ELT/ETL, dbt, orchestration, semantic modeling, BI, and analytics application development. Partner ...

operational excellence. Key Responsibilities: Implementing Infrastructure as Code (IaC) and automation strategies to streamline operations Managing enterprise desktop and server environments to ensure optimal performance Developing and maintaining automation scripts for various processes Ensuring the security and compliance of systems and data Collaborating with cross-functional teams to design … engineer scalable platforms Optimising system performance and monitoring infrastructure health Performing virtual desktop infrastructure (VDI) deployments Managing and executing project deliverables efficiently Job Requirements: Core technical expertise in engineering within the technology sector Experience with Citrix, VMware (vSphere, ESXi), and Terraform Proficiency in Azure/AWS cloud platforms Familiarity ...