22 of 22 Performance Optimisation Jobs in the City of London

support of strategic digital transformation initiatives and business-critical web application projects. As a Senior Next.js Engineer, you will design and build modern, high-performance web applications using Next.js App Router, React Server Components (RSC), and Server Actions, delivering scalable solutions that support complex business workflows. You will … including Back End APIs, Server Side logic, and MongoDB integrations, while applying clean code and SOLID design principles. The role will also focus on performance optimisation through SSR, SSG, ISR, advanced caching, and asset optimisation to maintain excellent Core Web Vitals. In addition, you will implement ...

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 ...

driving DevOps maturity, CI/CD excellence, and automation strategy across multi-tenant cloud platforms, while leading geographically dispersed teams and ensuring robust operational performance, governance, and continuous improvement. Key Responsibilities of the Head of DevOps and Platform Automation: Own and evolve the DevOps, CI/CD and automation … improvement and engineering excellence Oversee end-to-end platform lifecycle management ensuring availability, resilience, security and compliance across all tooling environments Drive standardisation and optimisation of CI/CD pipelines, automation frameworks and DevOps practices across the organisation Manage BAU performance, incident escalation and service reliability for critical ...

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 ...

ensuring consistent delivery against ambitious commercial objectives. Key responsibilities include: Developing and delivering the national sales strategy to drive sustainable revenue growth Owning sales performance, forecasting, budgeting and territory planning Building, coaching and developing a high-performing field sales team Creating a culture of accountability, continuous improvement and commercial … excellence Establishing scalable sales processes, performance metrics and reporting frameworks Monitoring key business performance indicators and identifying opportunities for growth and optimisation Collaborating with senior leadership and cross-functional teams to align commercial objectives with wider business goals Building strong relationships with executive-level stakeholders across ...

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 ...

Core Technical Skills: .NET/C# JavaScript/TypeScript React or Next.js RESTful APIs GraphQL CI/CD pipelines (Azure DevOps or GitHub Actions) Performance optimisation WCAG 2.1 accessibility standards SEO best practices Agile/Scrum delivery experience. Desirable: Sitecore MVP. Active participation in the Sitecore community. Professional ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 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 ...

Groups, Windows Clustering and High Availability/Disaster Recovery technologies. Experience administering SSRS, SSIS and SSAS. Strong understanding of SQL Server upgrades, migrations and performance optimisation. Experience supporting SQL Server within VMware virtualised environments. Knowledge of PowerShell and Power BI. Experience working within structured Change Management and Incident Management ...

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 ...

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 ...

helping shape the next generation of AI-enabled software. The Role As a Senior Backend Engineer, you'll be responsible for developing robust, high-performance backend services that power large-scale digital platforms. You'll work within an agile environment, collaborating closely with product owners, architects and engineers … databases such as MySQL, MongoDB, DynamoDB or Snowflake. Familiarity with CI/CD pipelines and DevOps practices. Strong understanding of backend security, scalability and performance optimisation. ...

impact narrative presentations for the executive leadership team and Board Embed deeply with commercial, product and growth teams as an internal strategic consultant, driving performance optimisation and ROI analysis Provide financial modelling and decision support for high-profile initiatives including geographic expansion, monetisation strategy and new product lines ...

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. ...

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 ...