14 of 14 Performance Optimisation Jobs in the City of London

Quantitative Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
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 ...

Web Optimisation and Delivery Manager

Hiring Organisation
Kaplan
Location
London Bridge, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 per annum
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 ...

AI Integration Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum
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 ...

AI Engineer

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £530 per day
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 ...

Systems & Cloud Engineer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
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 ...

AI Integration Engineer

Hiring Organisation
DTG Global Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
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 ...

Workday Technical Consultant

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

Econometrician

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
scenario analysis Interpret model outputs and translate them into clear, actionable insights for clients Work directly with stakeholders to support strategy, media planning, and performance optimisation Contribute to multiple live projects simultaneously, balancing hands-on technical work with client interaction Support the ongoing development of data science best ...

Payments Product Manager - Online Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
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 ...

Data Engineer Lead Role - Hybrid - Banking

Hiring Organisation
GCS
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day Inside IR35
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 ...

Delivery Lead Manager

Hiring Organisation
Accenture UK & Ireland
Location
City of London, London, United Kingdom
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 ...

CRM Activation Manager

Hiring Organisation
Lever Scott International
Location
City of London, London, United Kingdom
sophisticated audience segments using customer, behavioural and transactional data. Develop personalised communications using dynamic content and marketing automation. Manage campaign deployment, testing, QA and performance optimisation. Deliver lifecycle marketing programmes focused on customer acquisition, engagement, retention and loyalty. Create audiences to support paid digital marketing campaigns and customer acquisition … initiatives. Analyse campaign performance and identify opportunities for continual improvement. Work closely with internal stakeholders to align CRM activity with wider business objectives. Ensure all CRM activity complies with GDPR and customer consent requirements. What We're Looking For 4+ years' experience delivering CRM marketing and marketing automation campaigns. ...

Content Merchandising Specialist – Streaming & Platform Operations (US/UK)

Hiring Organisation
Templeton & Partners - Innovative & Inclusive Hiring Solutions
Location
City of London, London, United Kingdom
drive engagement, content discovery, and viewership across streaming surfaces. You’ll be responsible for homepage merchandising, featured rails, genre page promotions, campaign execution, performance optimization, and platform workflow coordination across a fast-paced streaming environment. Ideal candidates will bring strong OTT or streaming merchandising experience, excellent operational execution skills … content merchandising, streaming, digital media, or OTT environments Experience managing in-app merchandising and content curation workflows Strong understanding of engagement metrics and performance optimization Familiarity with CMS tools, platform publishing systems, and merchandising workflows Ability to manage multiple stakeholders across markets and functions Experience collaborating with Product, Marketing ...