12 of 12 Performance Optimisation Jobs in the City of London

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 ...

ResponsibilitiesAct as the primary technical leader and engineer within the team.Provide technical oversight for analysis, design, and delivery of complex systems.Architect and develop high-performance, scalable, and robust solutions for Communications Surveillance and Record Keeping.Ensure adherence to best practices, including architecture reviews, vendor analysis, cross functional impact assessment … automated testing.Mentor and coach other team members to achieve optimum performance and career growth.Drive innovation by evaluating new Surveillance and Record Keeping technologies and methodologies.Communicate technical concepts effectively to both technical and non-technical stakeholders.Support planning, estimation, and prioritisation of work using agile methodologies.Identify opportunities for system refactoring ...

primary technical leader and engineer within the team. Provide technical oversight for analysis, design, and delivery of complex systems. Architect and develop high-performance, scalable, and robust solutions for Communications Surveillance and Record Keeping. Ensure adherence to best practices, including architecture reviews, vendor analysis, cross‐functional impact assessment … automated testing. Mentor and coach other team members to achieve optimum performance and career growth. Drive innovation by evaluating new Surveillance and Record Keeping technologies and methodologies. Communicate technical concepts effectively to both technical and non‐technical stakeholders. Support planning, estimation, and prioritisation of work using agile methodologies. Identify ...

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 ...

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 ...

Docker), and JVM tuning for containerized workloads. Observability & Operations: Application instrumentation (metrics, distributed tracing, structured logging) and production support in high‐availability environments. Data & Performance: Data modeling, SQL/NoSQL databases, caching strategies, and performance optimization in latency‐sensitive systems. Security: Enterprise security patterns; authentication protocols, mutual ...

ability to design and implement production-grade services. Solid experience working with relational and document-oriented databases (SQL and NoSQL), including data modelling and performance optimisation. Experience building and operating containerised applications (e.g., Docker, Kubernetes), with a clear understanding of deployment, runtime behaviour, and production operations. Strong understanding … communication skills, able to engage across engineering, product, and senior business stakeholders. Nice to have: Experience with distributed caching solutions and patterns to improve performance and scalability in high-throughput systems. To find out more about Huxley, please visit (url removed) Huxley, a trading division of SThree Partnership ...

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 ...

candidate will possess deep technical expertise in Murex architecture, environment management, release coordination, middleware, and infrastructure support, with strong experience managing platform stability, deployments, performance optimization, and incident resolution in a global banking environment. You must have several years of IT experience, including a number of years supporting Murex ...

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 ...

systems process millions of trades daily, providing clients with real-time insights, regulatory transparency, and post-trade analytics through scalable, reliable, and high-performance applications. We operate at the intersection of scale, performance, and reliability. As engineers, we design full-stack, distributed systems that handle high-volume … highly collaborative team that designs and delivers foundational services used across Bloomberg’s Electronic Trading ecosystem. You’ll have the opportunity to: Build high-performance distributed systems that serve multiple trading workflows and products Design common frameworks and APIs that unify data exchange across applications and services Drive initiatives ...

ensure a seamless, reliable user experience while balancing the demands of development speed and operational stability in a dynamic, international environment.Key Responsibilities:Monitor system performance data and receive alerts through monitoring tools, identify abnormal indicators, recognize system risks, and notify relevant colleagues to resolve issues.Perform emergency system recovery, execute … mainstream monitoring tools such as Prometheus, Grafana, and Zabbix.Experience in Java microservices architecture development or operations, with expertise in Java memory tuning and performance optimization.Experience with common middleware, including but not limited to MySQL, Kafka, ElasticSearch, and Redis.Effective communication in English.Preferred Qualifications:eCommerce or retail industry experience.Intermediate or above ...