1 to 25 of 29 Performance Optimisation Jobs in the City of London

optimising mission‐critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global … Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing ...

support AI-driven analytics, recommendations, forecasting, and intelligent automation. Optimise cloud data platforms for AI scalability, including data lakehouse architectures, semantic layers, and high-performance data retrieval patterns. Stays current with Snowflake features, best practices, and industry trends in cloud data platforms. Performs additional related duties as assigned. Knowledge … complex SQL queries and stored procedures Database stored procedures, functions, views, and schema design Using Streams, Tasks, Time Travel, and Cloning Proficiency in database performance tuning and performance optimisation — clustering, warehouse sizing, caching, etc. Experience configuring external stages to integrate with cloud storage (AWS S3, Azure Blob ...

direction of the systems they build. You will work on a combination of greenfield development and the continuous improvement of established platforms, building high-performance, reliable and scalable applications that directly support real-world trading strategies and quantitative research. As a senior member of the engineering team, you will … have the opportunity to influence technical architecture, development standards, performance optimisation and engineering best practices, while working closely with researchers, traders and other technical specialists. Key Responsibilities Design, develop and maintain high-performance applications using C# and modern .NET Take ownership of significant software development projects from ...

Synapse, and other data services Set up and maintain CI/CD for Databricks notebooks, jobs, and infrastructure Work with data engineers on performance optimization, cost control, and platform capabilities MLOps & AI Platform (20%) Build ML model deployment pipelines using Azure ML, Databricks MLflow, or both Implement model versioning ...

endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full‐Stack Development: Develop responsive and performant front‐end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large‐scale projects. Database Expertise: In‐depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem‐Solving: Ability to troubleshoot complex technical ...

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 ...

analytics and reporting solutions that drive business decision-making.Strong Power BI development skills, including DAX, Power Query (M Language), semantic modelling, dashboard design and performance optimisation. Experience with Kimball methodology and data warehousing principles is advantageous.Strong SQL and database development skills, with experience transforming, modelling and optimising large ...

role is to engineer resilient Inter-Office integrations and workflows that automate recovery, streamline price-band governance, and surface real-time matching performance—reducing manual effort, improving compliance, and strengthening Inter-Office market oversight. Develop the automation of test tooling and framework development for the Inter-Office Trading platform … Required Knowledge and Level of Experience: Degree in Computer Science, IT or related disciplines. 5+ years’ experience in software development with Java (JVM), including performance optimisation and profiling. Deep understanding of cloud infrastructures, usage patterns, across at least one major cloud vendor. Knowledge of off-heap data structures ...

manage AI platforms and agent infrastructure - Build and maintain CI/CD pipelines and DevOps workflows - Implement observability, monitoring, and logging solutions - Optimise performance, scalability, and cost efficiency - Support AI teams with infrastructure, deployment, and integration - Ensure platform security, compliance, and high availability - Automate infrastructure using Infrastructure as Code … practices - Experience with Kubernetes/containerisation technologies - Strong programming skills (e.g. Python, Go, Node.js) - Experience with observability tools (e.g. OpenTelemetry, Datadog) - Understanding of security, performance optimisation, and scalability Desirable Skills - Experience working on AI/ML platforms or deployments - Exposure to large-scale distributed systems - AWS certifications ...

part of our multi-year platform modernisation project, you will be responsible for designing, architecting and building a suite of new, real-time, high-performance applications supporting various trading workflows for our growing business. You will be involved in architecting solutions across the stack, encouraging best practices, integrating … volunteering leave per year Your key responsibilities Lead a Global Engineering Organisation – Manage and develop a global team of senior engineers, fostering a high-performance culture and building future technical leaders through coaching and continuous upskilling Define and Drive Pricing Platform Strategy – set the strategic direction for Rates ...

Visualforce, SOQL/SOSL, triggers, controllers and Salesforce platform technologies . Design reusable development frameworks and components, ensuring high standards across code quality, performance, testing and maintainability . Implement complex Salesforce configuration, automation, workflows, approvals, validation rules and security controls . Agentforce, AI & Data Cloud Design and develop Salesforce … leadership across Salesforce programmes, contributing to solution design, development standards, code reviews and engineering best practices . Drive continuous improvement across development, automation, platform performance and technical delivery. Key Skills Extensive hands‐on experience delivering enterprise Salesforce solutions , with strong development expertise across Apex, Lightning Web Components (LWC), Visualforce ...

values, with close attention to point in time integrity (as of date versioning, no look ahead bias, clean handling of revisions). Automation and optimisation: automate data workflows and build in data quality checks so parsing failures, gaps or stale data are caught before they reach research. Documentation … time to time Technical Requirements: Proven experience with Python, especially Pandas and NumPy Mastery of SQL and PostgreSQL: schema design, complex queries, indexing and performance optimisation, beyond basic querying Experience with pipeline orchestration and scheduling Proven ability to deliver reliable, tested scripts against a written specification ...

APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

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 ...

pipeline changes, data-quality troubleshooting and code review. What we’re looking for 5+ years' experience building production data pipelines Advanced SQL , including performance optimisation on large tables Strong Python for data engineering Experience with Presto, Spark, Hive or similar Experience with Airflow or another workflow scheduler Strong ...

including speccing, architecture, development, testing, deployment, release and monitoring Strong skills in building maintainable tests, observability and tracing systems. Knowledge of best practices for performance optimisation, memory management. Familiarity with Kubernetes , Docker and other cloud infrastructure, ops and containerised tools. Strong analytical and troubleshooting skills – methodically decomposing systems ...

operational excellence standards across Insurance technology platforms. The team partners closely with application, infrastructure, database, and cloud engineering teams to improve platform availability, scalability, performance, and resilience. ICS leads strategic initiatives including SLO/SLI implementation, observability platform adoption, cloud modernization, operational readiness reviews, performance engineering, and reliability … direction for Site Reliability Engineering initiatives across multiple product portfolios. You will lead a team of SREs responsible for ensuring the reliability, scalability, security, performance, and operational excellence of mission-critical applications and platforms. The SRE Lead will partner closely with engineering, architecture, security, operations, and business stakeholders ...

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 … production and measurable client value. Make the technical decisions on your workstream, covering analytical approach, model and architecture selection, evaluation, guardrails, and cost and performance trade-offs. Apply techniques included segmentation, experimentation, propensity modelling, churn prediction, customer lifetime value and next-best-action modelling to generate insight and improve ...

contribute to advancing AI technology by developing and optimising AI models tailored to our specialised hardware. You will work on large scale systems where performance is critical to the success of our projects. Working closely with the Software development and Research teams, you will play a critical role … models on cutting‐edge hardware, we’d love to hear from you! Responsibilities and Duties Implement latest machine learning models and optimise them for performance and accuracy, scaling to 1000s of accelerators. Test and evaluate new internal software releases, provide feedback to software engineering teams, make necessary code fixes ...

Next.js Proven experience building and shipping consumer-facing products Strong communication skills and ability to collaborate effectively with cross-functional teams Understanding of performance optimization techniques for modern web applications Competitive salary and an equity sign-on bonus Biannual bonus scheme Fully expensed tech to match your needs Paid ...

will be accountable for keeping them reliable in production. This is hands-on software and platform engineering: building robust, well-tested, high-performance systems that scientists across GSK depend on every day, on modern cloud technology and the vast biomedical data sources available to us. Team Culture The AI4S … compute. Develop and maintain cloud-native architectures that enable reliable deployment and scaling of AI/ML workloads. Deliver robust, tested and high-performance code in an agile environment, and work closely with ML engineers and domain experts to make the infrastructure fit for purpose. Qualifications & Skills A degree ...

agile, scrum-driven team to deliver critical functionality and digital transformation engagements. You will collaborate across disciplines, implement tests, and contribute to design and performance optimisations while maintaining adherence to open standards and best practices. #J-18808-Ljbffr ...

energy trading and technology. Backed by significant investment and operating at a global scale, the business develops cutting-edge trading platforms that support high-performance derivatives trading across international markets. You’ll be responsible for: Developing low-latency exchange connectivity using native exchange APIs and protocols including FIX, WebSockets … HTTP. Building and enhancing high-performance trading algorithms alongside traders and quantitative analysts. Optimising application performance through techniques such as kernel bypass, TLS optimisation and connection tuning. Investigating production issues, improving system reliability and resolving performance bottlenecks. Maintaining and extending automated testing frameworks to ensure software ...

experience defining and delivering commerce strategy and transformation programmes for large organisations. Deep understanding of digital commerce ecosystems, including customer journeys, operating models, commercial performance drivers and technology enablement. Experience leading client teams and managing senior stakeholder relationships across business and technology functions. Strong understanding of commerce operations, including … trading, merchandising, fulfilment, customer experience and digital performance optimisation. Knowledge of the broader commerce technology landscape, with expertise in one or more areas such as commerce platforms, search and merchandising, customer experience platforms, PIM or content management systems. Demonstrable understanding of the emerging agentic commerce landscape and a clear ...