16 of 16 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 ...

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 ...

models across Snowflake, Databricks, and cloud environments (AWS/GCP). Working closely with Data Science, Product, and Analytics teams, youll ensure reliable, high-performance data flows that power AI and analytics products. Alongside deep technical delivery, youll be responsible for leading the junior engineers and near shore partners … architectural direction and best practices. Key Responsibilities Design and maintain scalable data architectures across Snowflake and Databricks Lead schema design, dimensional modelling, and SQL performance optimisation Build robust ETL/ELT pipelines Develop resilient API ingestion workflows Implement data quality frameworks and enforce data contracts Build CI/ ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. Youll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance-critical environments and want your work to have real market impact, wed love to hear from you. The Role Ultra-Low Latency Engineering Develop ...

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 ...

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 ...

architecture using Amazon Connect Define IVR and call routing logic aligned with Salesforce Produce the target state architecture (BYOT likely) Ensure security, compliance, and performance optimisation Collaborate with DevOps on deployment and automation Guide and upskill internal teams Key Requirements Strong hands-on Amazon Connect experience Experience with ...

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 ...

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 ...

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. ...

based infrastructure used by media companies to deliver live and on-demand video at scale , helping operators reduce delivery costs while improving reliability and performance across their streaming services. Having already secured customers across multiple European markets, the business is now investing in building a presence … media companies, or digital video platforms A track record of closing enterprise deals involving technical stakeholders Confidence discussing topics such as streaming architecture, scalability, performance optimisation, and video delivery Motivation to build a territory rather than step into an established sales patch ...

+ Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure systems. You will partner closely with product, trading, and infrastructure teams to deliver features end-to-endfrom UI and desktop container … drive state management, data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers ...

Azure Databricks, Azure Data Lake Storage, Azure Data Factory). • Architect and implement advanced data pipelines using Databricks, Delta Lake, Python and Spark, ensuring performance, reliability, and maintainability across cloud and on-prem environments. • Champion data quality, governance, and observability, ensuring data is accurate, timely, and fit-for-purpose … including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. • Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. • Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). • Strong understanding ...

Bens - Hybrid 3 and 2. The successful applicant will lead the management and continuous improvement of the Law firms business applications portfolio, ensuring system performance, integration, and alignment with the firms strategic and security objectives. The role will actively engage with Partners, fee earners and business support teams … shelf software that increases efficiencies across the firm. Support the firms migration of systems to Microsoft Azure, ensuring application compatibility, security, and performance optimisation. Collaborate with the Infrastructure & Security Manager on dependencies between application and infrastructure layers. Contribute to the Configuration Management Database (CMDB), ensuring accuracy of application assets ...

Warehouse patterns, Gold Layer modelling, defining/implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention. Team Leading/Delivery: setting standards, directing/mentoring the team, reviewing designs, unblocking delivery. … orchestration, testing, test data preparation, reporting validation, release practices. Operational Readiness: ensuring documentation/run books + non-functional requirements are met (security, resilience, performance). Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting. Active SC Clearance is essential for this project. ...