1 to 25 of 36 Performance Optimisation Jobs in the City of London

deliver scalable, high-performing features, while mentoring a team and helping drive innovation across the platform. Role and Responsibilities: Lead the design, development, and optimisation of high-performance, cloud-based software solutions Partner with Technical Design Authority to shape system architecture, APIs, and data models Ensure secure, scalable … integration with databases, third-party APIs, and messaging services Drive performance optimisation, reliability, and robust data integrity standards Mentor developers, promote Agile best practice, and elevate engineering standards Participate in on-call rota and act as escalation point for critical incidents Skills and Experience: 5+ years’ software development ...

chance to build something category-defining, this could be your role. About the company This business is a truth-first ad measurement and performance optimisation platform built for performance marketers who need attribution they can trust and act on. The platform connects ad platform APIs with first … They are already working with impressive early-stage logos across financial services (including global trading platforms and crypto exchanges), ecommerce, and telco. Measurement and performance optimisation is an evergreen, global problem now being reshaped by AI and the founders are building toward market leadership. About the role ...

Senior Compiler Engineer Location: London (Remote Working available) We’re partnering with a well-funded, fast-growing semiconductor and AI computing company building high-performance compute platforms at the intersection of advanced silicon, accelerators, and compiler technology. They are expanding their compiler organisation and are looking for Senior … Staff-level Compiler Engineers to work on performance-critical, hardware-aware compiler systems that directly impact next-generation compute products. Senior Compiler Engineer Responsibilities Development and evolution of LLVM-based and custom compiler toolchains Performance optimisation for AI/ML and accelerator-driven workloads Low-level code ...

long-term architectural standards. You will play a key role in shaping the frontend architecture, elevating engineering standards, and delivering intuitive and high-performance experiences for our global customers. This role also carries a mentorship mandate across frontend engineering at AudienceProject. You will help define standards and best practices … across multiple teams. Key Responsibilities Frontend Architecture & Development - Design, develop, and maintain scalable frontend applications that power AudienceProject’s core products, ensuring high performance and reliability. User Experience & Product Collaboration - Work closely with Product, Design, and Data Science teams to translate business requirements into intuitive, maintainable, and technically sound ...

front-end and web engineers (React) across a mix of seniority levels. Own people management responsibilities including hiring, onboarding, line management, performance management, coaching, mentoring, and career development. Foster a collaborative, inclusive, and high-performance team culture focused on continuous improvement and psychological safety. Technical Leadership & Delivery Provide … modern web technologies, including JavaScript, HTML, CSS, and React-based frameworks . Strong understanding of modern front-end architecture, including state management, routing, navigation, performance optimisation, module federation, microservice architecture and accessibility standards. Experience designing and maintaining CI/CD pipelines , using version control effectively, and working within ...

agile team of 5-7 mobile engineers (React Native) across a mix of seniority levels. Own people management responsibilities including hiring, onboarding, line management, performance management, coaching, mentoring, and career development. Foster a collaborative, inclusive, and high-performance team culture focused on continuous improvement and psychological safety. Technical … mobile SDLC. Proven experience of REST/GraphQL API integration with mobile applications Solid understanding of mobile application fundamentals: iOS/Android app lifecycle, performance constraints and release management Proven hands-on software engineering background across modern mobile technologies e.g. cross platform/native development. Strong understanding of modern ...

client is looking for an experienced ML Infrastructure Engineer to support the deployment, optimisation and scaling of advanced machine learning models in production environments. This role sits at the intersection of research and engineering, focused on ensuring models are reliably transitioned from experimentation through to large-scale deployment. … will work closely with research and platform teams to build and maintain high-performance inference systems, improve deployment processes and help drive infrastructure improvements that enable faster model iteration and release cycles. This is a strong opportunity to work on technically complex challenges within a fast-moving and highly ...

footer Y"). Distribution Management: Configure output destinations including Cloud Print, Email (with dynamic attachments), SharePoint archiving, and XML/EDI for vendor integration. Performance Optimization: Troubleshoot and optimize report generation times, particularly for high-volume manufacturing documents like picking lists and warehouse labels. Deployment & ALM: Manage the movement ...

experience with PyTorch Experience with Hugging Face transformers or similar frameworks Solid experience deploying ML solutions on AWS Understanding of MLOps, model deployment and performance optimisation Ability to work in a consultancy environment with multiple clients Desirable: Experience with LLMs, RAG pipelines or generative AI applications Knowledge ...

quality benchmarks for AI initiatives. Own technical estimations, feasibility assessments, and delivery quality across AI workstreams. Lead technical troubleshooting, root cause analysis, and performance optimisation. Collaborate closely with architecture, product, and DevOps teams to embed AI into larger ecosystems. Continuously assess and introduce new AI tools, frameworks, and approaches ...

building robust, scalable infrastructure to support a growing ecosystem of data products and services. What You’ll Be Doing: Designing and developing scalable, high-performance backend services in Go (Golang) Leading the technical direction of key projects, making decisions around architecture, performance and maintainability Integrating multiple external data … writing clean and maintainable production-grade code Proficiency with PostgreSQL and Redis, or similar relational and in-memory databases Strong understanding of performance optimisation, observability and reliability best practices Excellent communication skills and the ability to convey complex technical concepts clearly Nice to Have: Experience building websocket services ...

providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications … commodities trading, risk management, and real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance ...

machine learning models using Python 📊 Work with large, complex datasets to support AI-driven products and insights 🧠 Assist with feature engineering, model experimentation, and performance optimisation ☁️ Contribute to data and ML pipelines in cloud-based environments 🗄 Work with structured and semi-structured data using SQL 🚀 Support the deployment ...

secure, and performant while driving improvements across infrastructure, automation, and operational workflows. Key Responsibilities Maintain and improve production services with a focus on reliability, performance, and operational excellence Own and enhance Azure‐based infrastructure, ensuring clean, scalable, and well‐documented environments Lead improvements across CI/CD, IaC, monitoring … operational tooling Troubleshoot and optimise traffic routing, security, and performance across Azure networking components Contribute to continuous improvement initiatives, reducing toil and increasing automation Collaborate with engineering teams to ensure best practices are followed across deployments and service operations Essential Skills Azure DevOps – broad experience across pipelines, repos, service ...

Contribute meaningfully to product and architecture discussions; be heard in debate and align to unified decisions. Own operability: CI/CD, monitoring/alerting, performance optimisation, safe rollbacks. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails ...

practical, client-facing solutions. Your skills and experience: The right candidate will have: Strong experience building Power BI semantic models (advanced DAX, dimensional modelling, performance optimisation) Professional Power BI report development Fluent SQL (complex joins, transformations, optimisation) Python for data analysis/cleansing Strong Excel skills ...

enabled capabilities across the mobile platform. In this role, you will: Lead the design, development, and maintenance of advanced iOS applications, ensuring high performance, quality, and responsiveness across Expedia Group’s product suite. Architect and implement robust, scalable system and API designs, including effective data modelling to support complex … maintainable iOS mobile architectures, leveraging common design patterns such as MVVM or VIPER Advanced proficiency in SwiftUI - Skilled in multi-threading, concurrency, and performance optimisation Prior experience in the search domain or travel industry, such as building or scaling search, discovery in consumer mobile apps. Experience establishing technical ...

Data Engineering before moving into Product Ownership Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance Development Framework experience within Microsoft Stack Technologies Experience with implementing and optimising scalable cloud infrastructure is highly valued Backlog management ...

Gold layer curation. Expertise in Power BI, including: Intermediate DAX Star schema modelling and semantic model design Report UX/UI best practices Performance optimisation Hands-on experience with Microsoft Fabric features such as Lakehouse, Data Warehouse, dataflows, and semantic models. SQL skills for data exploration, transformation ...

power rich user experiences. Rapidly shaping UI concepts through prototypes and iterative design. Ensuring reliability through comprehensive unit testing and a strong focus on performance optimisation. Enhancing, maintaining and supporting existing features with robust monitoring and alerting. Collaborating with cross-functional teams in a matrix environment and guiding development ...

driven product increments Solid understanding of value-based prioritization and product strategy in a data-driven context Advanced Power BI expertise, including dashboards, DAX, performance optimization, and row-level security Working knowledge of enterprise data products, semantic models, and data governance Understanding of modern data platforms and analytics ecosystems ...

Responsibilities Analyse end-to-end data processes and flows across Excel, Power BI, SharePoint, and related platforms Identify and prioritise opportunities for automation, optimisation, and standardisation Lead Power BI enhancements, including data processing, modelling, visualisation, and UI/UX improvements Review existing data models and provide clear recommendations … portfolio-level capital investment dashboards Align reporting standards, governance, and data flows across a portfolio of parallel projects Support discussions around baseline management and performance tracking Candidate Profile: Essential Experience 7–10 years of relevant experience Deep, hands-on experience optimising manual and semi-automated reporting environments Advanced Excel ...

with core data engineering tools and technologies (e.g. ETL/ELT pipelines, data warehouses, orchestration tools) Strong understanding of data modelling, data quality, and performance optimisation Desirable Experience Experience with Palantir (Foundry, Gotham) Willingness and aptitude to learn Palantir technologies on the job Background working in defence, government ...

Unreal Developer will join the wider Unreal and asset team to take on the core technical challenges around the dynamic pipeline and real-time performance: Writing and optimising C++ to handle dynamic model ingestion from the external app into Unreal Working with automated CAD-to-Unreal data workflows Authoring … working with CAD data within Unreal Engine Good knowledge of shader programming and high-end material authoring Familiarity with Pixel Streaming and real-time performance optimisation If you're a Senior Unreal Developer and skills and experience align with the role, click apply. ...

media delivery pipelines Support CI/CD pipelines and deployment processes Requirements Strong proficiency in Go (Golang) Solid understanding of low-latency systems and performance optimisation Familiarity with CI/CD pipelines and modern deployment practices Comfortable working in an early-stage or scale-up environment Benefits Fully ...