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 ...

data delivery across multiple business functions. Develop and support Lakeflow pipelines, Delta Lake implementations, and modern data engineering frameworks. Drive best practices across performance optimisation, security, governance, monitoring, and platform reliability. Collaborate with business, data, and technology teams to deliver high-quality data products that support organisational growth … Factory, ADLS, Key Vault, and other Azure services. Hands-on experience with Git, CI/CD pipelines, deployment automation, and production support. Strong troubleshooting, performance tuning, and optimisation experience across Databricks and SQL environments. Excellent stakeholder engagement and communication skills, with the ability to operate effectively across both ...

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 ...

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 ...

proposals, architecture options papers, and business cases to senior stakeholders and governance boards Lead architecture assurance and design authority reviews, ensuring solutions meet security, performance, resilience, and compliance requirements Define solution patterns and reference architectures for Oracle cloud workloads that can be reused across programmes Manage technical risk throughout … above) on-premises and in cloud Manage Oracle Database Service deployments across OracleDB@Azure, OracleDB@AWS, and OracleDB@GCP Perform database performance tuning, patching, backup and recovery, and capacity planning Manage Oracle RAC, Data Guard, and ASM environments Support Oracle Advanced Security features including TDE, audit vault, and database ...

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 ...

technology operates at serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/… kernel-bypass technologies Event-driven or event-sourcing microservices Performance analysis and targeted optimisation Experience with KDB, Rust or C++ would be highly advantageous. London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential This is an excellent opportunity for someone ...

platform Implement and maintain effective logging, metrics, tracing, alerting, and dashboards Define and improve SLIs, SLOs, and reliability metrics Proactively identify and resolve performance, availability, and reliability issues Lead and contribute to incident response, troubleshooting, and root cause analysis Automate operational processes and eliminate repetitive manual tasks Work closely … engineers to improve deployment processes, system reliability, and developer experience Help improve platform resilience, scalability, and disaster recovery capabilities Contribute to capacity planning and performance optimisation as the platform scales Establish and champion SRE best practices across the wider engineering function What We're Looking For Proven commercial ...

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 ...

objectives into sound technical designs and testable acceptance criteria; decompose epics into implementable stories Design and implement complex features; complete complex bug fixes and performance improvements Define and uphold Definition of Ready/Done including code quality, automated test coverage, security checks, and observability Establish/maintain CI/…/JVM, JavaScript/TypeScript, .NET/C#, Python, C/C++, SQL, Linux, or Windows Experience with relational and non‐relational data stores, performance tuning, and data modelling Knowledge of CI/CD platforms, containers, cloud technologies, observability, and monitoring practices Understanding of secure coding, performance optimisation ...

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 ...

classes, controllers, triggers, Visualforce and web services. Experience developing Salesforce integrations using REST and SOAP APIs. Strong knowledge of SOQL, SOSL, dynamic queries and performance optimisation. Experience writing unit tests and applying code quality and coverage best practices. Knowledge of asynchronous Apex, including Batch Apex, Queueable Apex and Future ...

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 ...

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 ...

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 ...

migration and re-platforming of legacy or monolithic applications to microservices-based architectures . Define and implement cloud-native designs , ensuring scalability, security, and performance optimization. Collaborate with enterprise and solution architects to define modernization roadmaps and deployment strategies . Provide technical direction during cloud transformation engagements , including assessment ...

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 ...

with Node.js , Microsoft Azure , Azure Functions , Cosmos DB , and GitHub within modern DevOps and Agile delivery environments. Key Responsibilities Design, develop, and maintain high-performance backend applications using Node.js . Build and deploy scalable cloud-native solutions within the Microsoft Azure ecosystem. Develop and manage Azure Functions to support … . Collaborate with cross-functional teams to define technical requirements and deliver robust solutions. Implement best practices for code quality, testing, security, and performance optimisation. Manage source control, branching strategies, and CI/CD pipelines using GitHub . Troubleshoot and resolve application issues, ensuring high levels of availability ...

that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling … various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data ...

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 ...

word class investors & advisors incl. Arianna Huffington & Brent Hoberman. We live and breathe by example to create a truly authentic team culture, with high performance and wellbeing at the core. 💼 About the Role We’re looking for a stellar Software Engineer to help shape and grow the WONE … coding tools 📃 Preferred Qualifications System design and architecture Technical writing Testing Automation SQL Analytics Services development API development Web development Mobile development Security Performance optimisations Tech stack Infrastructure - AWS Backend Database - PostgreSQL Backend Application - Django, Python, GraphQL Frontend Web - React, TypeScript Frontend Mobile - React Native, TypeScript 🤸🏽♂️ Benefits & Perks Competitive ...

fast-paced environment, ideal for someone who enjoys solving complex problems and working collaboratively with engineering and product teams. Key Responsibilities Build scalable, high-performance features for a modern SaaS platform Optimize existing systems for speed, usability, and reliability Lead technical decisions and mentor junior engineers Collaborate closely with … experience in full-stack web development Proven track record delivering high-quality SaaS products at scale Strong understanding of UI/UX principles and performance optimization Excellent communication, problem-solving, and leadership skills Passion for writing clean, maintainable, and scalable code Bonus: Experience in financial technology or asset management ...

member portal programme from discovery through to launch. Manage digital projects, timelines, budgets, risks and external agency relationships. Oversee the day-to-day performance, maintenance and optimisation of web platforms. Manage website integrations with CRM and third-party systems to improve user journeys. Drive SEO, CRO, AI optimisation and member experience improvements across digital channels. Use analytics and customer insight to monitor performance and identify growth opportunities. Lead digital innovation, including automation, AI tools and workflow improvements. Line manage and develop a Digital Specialist while promoting digital best practice across the organisation. Profile Proven experience delivering ...

Inclusive Employers Standard, we’re building a modern, technology lead business and we're looking for a Senior Network Reliability Engineer to drive the performance, reliability and security of our hybrid, enterprise network estate.About the RoleThis is a hands-on senior engineering position with responsibility for the performance … resolution of complex network challenges, drive automation and observability, and support our ongoing transition to a more Azure-native architecture.Key responsibilities:Own the reliability, performance and availability of Azure and hybrid network services.Act as the senior escalation point for major incidents and complex technical issues.Design and enhance Azure networking ...