1 to 25 of 27 Performance Optimisation Jobs in the City of London

skilled Quantitative Developers (PhD level) to join leading banking institutions in London. The role focuses on building robust quantitative models, analytics platforms, and high-performance systems to support trading, risk management, and pricing functions across asset classes. 🎯 Key Responsibilities Design, develop, and implement quantitative models for pricing, risk … complex financial models into scalable production-grade code Collaborate closely with Front Office, Trading, Risk, and Research teams Enhance and maintain low-latency, high-performance systems Perform model validation, backtesting, and optimisation Contribute to architecture design of quant libraries and analytics platforms Ensure best practices in software engineering ...

Generative AI tooling Owning the implementation of ML pipelines, APIs and data integration workflows Enforcing MLOps best practices, coding standards, version control and performance optimisation Collaborating cross-functionally with data scientists, product managers, platform engineers, QA and audit professionals Mentoring junior engineers and contributing to internal capability-building ...

pure PM role — we need someone who genuinely understands code, can earn the trust of engineers, and can hold a technical conversation about architecture, performance, and trade-offs. You will take ownership of a growing portfolio of in-house software platforms used across all businesses connected to PEN Group. … full production with real user load Cloud or serverless deployment experience (AWS, GCP, Azure, or Vercel/similar) Database schema design and query performance optimisation Familiarity with AI/ML tooling or LLM integrations in production systems SaaS, CRM, or enterprise platform experience Agile or Scrum certification (though ...

Full Time, 37.5 hours per week Contract Type: Permanent Number of roles: 1 Salary: £40,000 per annum We're looking for a Web Optimisation and Delivery Manager to join our team. Role Summary Responsible for global web performance strategy and outcomes, setting priorities, standards and success measures … combining hands-on leadership and delivery, with enablement of destination teams. Work is based on evidence-based optimisation (including SEO/GEO/content design) strategies, priorities, standards, and success measures, while ensuring needs are effectively translated into day-to-day delivery across websites and acquisition journeys. Accountable ...

capabilities into business applications and operational workflows. Working within Azure cloud environments, you'll ensure solutions are secure, scalable and supported by strong monitoring, performance optimisation and operational processes. This is a hands-on engineering role suited to someone who enjoys solving complex integration challenges, taking ownership ...

capabilities into business applications and operational workflows. Working within Azure cloud environments, you'll ensure solutions are secure, scalable and supported by strong monitoring, performance optimisation and operational processes. This is a hands-on engineering role suited to someone who enjoys solving complex integration challenges, taking ownership ...

Operational Reporting: S/4 HANA Embedded Analytics, VDM, CDS Views, Extensions, Custom CDS Views. SuccessFactors Reporting, Domains and custom fields enablement. Ensure scalability, performance optimization, and data governance compliance. Integration & Ecosystem Integrate SAP and non-SAP systems including: SAP S/4HANA, SuccessFactors, IBP, BW/4HANA ...

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 ...

data pipelines and data platform solutions Business Intelligence, analytics and reporting environments Data warehousing, data lakes and modern data architectures Data quality, governance and performance optimisation Working within complex or regulated environments Youll also need practical exposure to AI or Machine Learning initiatives, including areas such ...

dashboard-building role. You’ll be working on the underlying systems that make complex visualisations fast, accurate, and scalable. The challenges range from rendering performance and interaction design through to algorithms, graphics, API design, and numerical correctness. What you’ll be doing Designing and building core charting features used … developers around the world Working across rendering, interaction, animation, and visualisation infrastructure Solving performance-critical problems involving Canvas, SVG, and large datasets Improving correctness, precision, and usability across a sophisticated charting platform Designing APIs that are elegant, flexible, and easy for developers to adopt Taking features from initial concept ...

maintain native Android applications using Kotlin/Java and the Android SDK Integrate RESTful APIs and external services into mobile workflows Optimise application performance, including caching strategies, offline support, and API efficiency Support production releases, ensuring readiness for Google Play Store submission Address Play Store compliance issues and respond … Proven experience integrating REST APIs (or similar services) Hands-on knowledge of Google Play Console, app signing, and release management Experience with mobile performance optimisation and secure coding practices Familiarity with modern Android architecture components (e.g., MVVM, Jetpack libraries) Active SC clearance Desirable: Experience working with GDS (Government ...

leadership, escalation support, and operational oversight for core enterprise infrastructure, including VMware, Windows Server, Active Directory, DNS, and DHCP Drive infrastructure design, capacity planning, performance optimisation, root cause analysis, and continuous service improvement Participate in an on-call rota and collaborate across teams to maintain service availability ...

mentor a team of analysts, ensuring high-quality output across projects and campaigns. • Build and manage datasets to support campaign planning, targeting, and performance optimisation. • Apply Python and analytical techniques to solve complex data challenges. • Translate technical findings into clear, actionable insights for non-technical stakeholders. • Support pre-campaign ...

will act as the technical authority for Tableau and take ownership of BI standards across the organisation. You will focus on improving the scalability, performance, and governance of the existing BI environment while supporting a major cloud migration programme. Key responsibilities include: Leading end-to-end Tableau development across … Desktop, Prep, and Cloud Defining and enforcing best practice for dashboard design, data modelling, and performance optimisation Owning BI governance frameworks, including data quality and reporting standards Supporting and enabling business users to develop self-service analytics capability Writing and optimising complex SQL across cloud and on-premise ...

Platform, and Back End teams so priorities, dependencies, and sequencing are transparent and executable. * Set and enforce standards for mobile non-functional quality, including performance, reliability, offline behaviour, accessibility, and observability. * Improve delivery throughput through robust CI/CD, automated testing, release discipline, and clear incident-learning loops. * Lead … defining and implementing practical engineering governance that improves decision quality without creating unnecessary process overhead. * Deep knowledge of iOS and Android engineering fundamentals, including performance optimisation, secure coding, accessibility, and testability. * Proven ownership of mobile build and release pipelines, including code signing, environment controls, and App Store/ ...

Lead end to end Tableau development across dashboards, data sources, and data preparation Define and implement best practice for BI design, data modelling, and performance Own BI standards, governance frameworks, and data quality processes Support and enabling business users to build and scale their own reporting capabilities Write … robust, scalable data sources Advanced SQL skills, including complex query development and data transformation Experience improving or maturing BI environments, including governance and performance optimisation Confidence explaining technical concepts clearly to non technical stakeholders Experience working with cloud platforms such as GCP or similar is beneficial Exposure ...

live support. Youll develop robust backend services and API orchestration to underpin production-grade AI applications, and ensure operational excellence through monitoring, error handling, performance optimisation and Azure-based deployments. Responsible AI practices are embedded from the start - guardrails, controls, governance not bolted on at the end. Youll ...

APIs, including SOAP, REST, WSDL, and related standards. Strong technical expertise in XML and Java. Experience supporting interface technologies, networking, data warehousing, and performance optimisation. Proven ability to work with third-party vendors and external partners on integration and data-related initiatives. Personal Attributes Strong analytical, troubleshooting, and problem ...

gateways, and third-party vendors Ensure compliance with SCA/PSD2, 3DS, PCI-DSS , and fraud prevention standards Support UAT, go-live, and ongoing performance optimisation Required Experience Proven experience as a Payments Product Owner/Manager focused on online payments Strong track record delivering PSP/gateway … Ecommerce payment flows (checkout, tokenisation, recurring payments) Card schemes (Visa, Mastercard, Amex) Digital wallets (Apple Pay, Google Pay) 3DS/SCA/authentication optimisation Payment decline management and retry logic Settlement, reconciliation, and chargebacks Experience improving checkout conversion and payment success rates Strong Agile delivery and stakeholder management experience ...

migrating from an on-premise Oracle estate to a modern data platform built on cloud and Databricks. This role leads the design, implementation, and optimisation the Data Mart and migration processes, ensuring alignment with enterprise data architecture and compliance standards. Core Responsibilities Databricks/Modern Data Platform Engineering Lead … Data Marts using Databricks (SQL/Python). Follow engineering best practices including version control, CI/CD, orchestration, and environment management. Ensure governance, performance optimisation. Legacy Oracle Migration Leadership Lead and coordinate the migration of data assets from Oracle database systems to the modern cloud data platform. Oversee ...

thrives in a client-facing consulting environment. You will work closely with stakeholders to understand business objectives, define data strategies, and deliver robust, high-performance architectures that support long-term growth and innovation. Key Responsibilities Design and deliver scalable cloud-based data platforms and analytics solutions. Define data architecture … Synapse Analytics. Google Cloud Platform (GCP) experience highly desirable Deep understanding of data architecture principles and scalable solution design. Expertise in data modelling and performance optimisation. Experience implementing governance, security, privacy, and data quality controls within modern data platforms. Strong stakeholder management and consulting skills. Excellent communication and presentation ...

REST APIs and backend services Contribute to CI/CD pipelines and deployment processes Support production systems (L2/L3) including debugging, enhancements and performance optimization Write and maintain unit and integration tests . Ensure high code quality and test coverage Participate in code reviews and mentor junior developers … Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services (Flask/FastAPI/Django) Strong understanding of data structures and performance optimization Experience working with large-scale data processing and performance optimization Working knowledge of Unix/Linux environments and basic shell scripting Domain ...

within budget. Collaborate closely with clients to define product vision, prioritize backlogs and establish delivery roadmaps grounded in measurable impact. Partner with Experience Design, Performance, Analytics and Engineering teams to run continuous CRO and experimentation programs that optimize performance and engagement. Support sales and pre-sales activities, shaping … product ownership, agile methodologies, and cross-functional team delivery. Experience in web or mobile app delivery, ideally spanning UX/UI design, engineering, and performance optimization. Familiarity with conversion rate optimization (CRO), A/B testing, analytics, and data-driven decision-making. Strong stakeholder management and communication skills, especially ...

financing for US Treasuries, Agency MBS, and Algorithmic Trade Execution. Our affiliate, GX2 Systems LLC, is a leading financial technology (FinTech) firm developing high-performance software for the aggregation and spread execution of various exchange-traded and OTC products.. Role Description In this capacity, you will partner with … fixed income and algorithmic trading. Framework Ownership: Oversee the integrity and evolution of execution frameworks for both institutional external users and internal trading desks. Performance Optimization: Lead the analysis and timely interpretation of performance and Transaction Cost Analysis (TCA), delivering both ad hoc sophisticated strategic reports and actionable ...

Latency) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies … Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading platforms is an advantage Strong understanding of performance optimization and low-latency UI applications Experience with highly available, mission-critical systems. ...