17 of 17 Performance Optimisation Jobs in the City of London

Machine Learning Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
technical decisions, while also collaborating closely with a highly technical team Experience in any of the following would be beneficial: Python memory management and performance optimisation GPU optimisation and acceleration Responsibilities for Machine Learning Engineer: Deploy and integrate new machine learning models into advanced commercial software products … projects from rapid prototyping and experimentation through to production implementation Optimise machine learning models for speed, scale, runtime and memory usage Help improve the performance and scalability of existing AI systems Develop innovative new features using machine learning and AI technologies Explore new technologies and approaches to solve complex ...

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 ...

Software Project Manager

Hiring Organisation
PEN Group
Location
City of London, London, United Kingdom
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 ...

UI Engineer (FIC Sales Technology)

Hiring Organisation
AMS CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
role The UI Engineer will join the FIC Sales Technology team, playing a key role in designing and building modern, intuitive and high-performance user interfaces that directly support our client's Fixed Income & Currencies (FIC) sales organisation. Working with React, JavaScript, TypeScript, and modern web technologies … applications, working across core application components and platform capabilities, contributing to systems used directly by front-office teams. What you'll do: Build high-performance, scalable software components using modern engineering practices and contribute to complex technical problem solving. Support the design and implementation of distributed, service-oriented architecture ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Capital Market Specialist

Hiring Organisation
Infinity Quest
Location
City of London, London, United Kingdom
SMART STUDIO/Smart Schema/Recon Admin/web Connect/Control &CT tools. Solid SQL experience on Oracle Database and its performance optimization Understand complex DB objects – stored procedures, database views, triggers, and database structure. Ability to write complex SQL queries – joins, updates, scripts for analysis etc. ...

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 ...

Senior Software Engineer – Data Visualisation & Graphics | London

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
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 ...

Senior Data Analyst

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

Management Consultant Access Network Consultant

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
technology expertise. We support Tier-1 operators and technology vendors through large-scale RAN transformation programmes — from strategy and design through to deployment, optimisation, and ongoing operations. We leverage emerging technologies including Open RAN, 5G Advanced, 6G, Satellite, Generative AI, and Autonomous Networks to deliver measurable business outcomes … technical design session with a vendor engineering team. This role spans the full RAN value chain: pre-sales solutioning, architecture definition, programme delivery, performance optimisation, and the application of AI/ML and Autonomous Network techniques to transform how networks are operated. Support end-to-end RAN transformation ...

Lead BI Analyst

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

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 ...

PowerServer Engineer

Hiring Organisation
Henderson Scott
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£93,921
help shape the future roadmap for a key enterprise platform. We're looking for experience with: PowerBuilder and PowerServer (Appeon) Application assessment, troubleshooting and performance optimisation Legacy application modernisation SQL Server and/or Oracle databases Client-server and web-based applications Producing technical recommendations and documentation 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 ...

React.js UI Developer

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

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. ...

E-commerce Manager (Amazon Channel)

Hiring Organisation
Project People
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
store. This is a fantastic opportunity to drive E-commerce growth for a well-established international brand, managing everything from campaign execution to store performance optimisation. What you will be doing Sales & Performance Management Take ownership of GMV and SO sales targets achievement for the Official store. Track … update daily reports on GMV, traffic and SO. Monitor competing product's sales, pricing, promotion, and visual strategies. Provide insights and optimisation suggestions based on performance. End-to-End Store Campaign Management New Product Campaign Management and Execution: Collaborate with the national team and the European team to formulate ...