101 to 119 of 119 Performance Tuning Jobs in London

HRTechnical experience Must have worked on Core HR, UK Payroll etc. Hands-on expertise on Integrations, Reports, Fast Formulae, SQL/PLSQL. Experience in performance tuning Custom Form development Fixing issues in existing solution including workflows Job Type: Contract Location: FULLY REMOTE Daily Rate : 500-550GBP (inside ...

ready PySpark code. Strong understanding of data and data warehousing concepts, including: ETL/ELT, Data models, Dimensions and facts, Data marts, SCDs Spark Performance & Optimisation Strong knowledge of Spark execution concepts, including partitioning, optimisation, and performance tuning. Experience troubleshooting and improving distributed data processing pipelines. Python & Engineering ...

rollout • Strengthen testing strategy across unit and integration layers • Improve data and integration workflows with observability and resilience • Optimise Postgres (RDS) and MongoDB performance, modelling and migrations The role requires... • Strong commercial experience with Node.js and TypeScript • Deep API design expertise, including versioning and backwards compatibility • Solid Postgres knowledge … querying, modelling and performance tuning • Clear communication of trade-offs and pragmatic architectural decisions • Independent delivery of reliable, production-grade systems This Senior Backend Engineer (Full Stack, backend-leaning) role offers genuine ownership and influence in a business where engineering quality directly impacts customer trust. To apply please ...

Integration: Port and optimize real-time operating systems (RTOS) or Linux kernels to run on our custom electronic architecture. Driver Development: Write high-performance drivers for custom memory controllers, interfacing the electronic L2/L3 caches with the optical domain. Hardware Abstraction: Develop the HAL (Hardware Abstraction Layer) that … allows high-level autonomous software to leverage our chip’s unique electro-optical speed. Performance Tuning: Work with the IC design team to profile and eliminate bottlenecks between the software execution and the hardware logic. Bootloader & Security: Design secure boot sequences and firmware update mechanisms for edge deployment ...

Implement and maintain ProjectWise Managed Workspaces (Configuration Settings Blocks, imports, dynamic frameworks), align MicroStation/verticals configurations per contract, and troubleshoot workspace resolution issues. Performance & file transfer optimization: Configure/maintain Caching Servers and storage areas; tune Delta File Transfer, compression, streaming, and client caching for distributed teams. Standards … resolve managed workspace resolution/pathing issues. Security design: Simplify permission models, standardize role templates, and prevent inheritance conflicts across multiple client projects. Performance tuning: Deploy caching/storage areas, enable/tune DFT, compression, and streaming, and set client caching policies. Governance & documentation: Map ISO 19650 states ...

frameworks to support additional use cases and improved performance. Create, manage, and optimise Databricks Workflows , including orchestration logic and operational behaviours. Carry out testing, performance tuning, and provide day‐to‐day operational support for data pipelines. Work closely with Solution Designers/Architects and Configuration Analysts to ensure ...

type-safe APIs with tRPC on Node.js/Express Working with PostgreSQL and Elasticsearch for relational and search-optimised data Contributing to architecture decisions, performance tuning, and refactoring Collaborating closely with technical and non-technical stakeholders Owning features end-to-end - from development through to deployment What ...

APIs and improve data availability. Data Modelling & Analytics Build and maintain robust data models to support operational, commercial, and executive reporting. Analyse service delivery performance including SLAs, KPIs, MTTR, incident volumes, backlog trends, repair cycle times, and device failure patterns. Perform historical trend analysis and develop forecasting models … continuous improvement initiatives across service delivery and support operations. Support monthly and quarterly service reviews with strategic customers through high-quality analytics packs and performance narratives. Enable proactive decision-making by identifying emerging risks before they impact customers or SLAs. Data Governance & Quality Assurance Establish and maintain data governance ...

Enterprise Linux , ensuring robust, secure, and reliable platform operations. Oversee and optimize VMware vSphere environments, including capacity planning, lifecycle management, and performance tuning. Manage and support enterprise-grade storage platforms such as PureStorage, ensuring data availability, performance, and integrity. Design, maintain, and troubleshoot Kubernetes clusters across hybrid environments. ...

Enterprise Linux, ensuring robust, secure, and reliable platform operations. Oversee and optimize VMware vSphere environments, including capacity planning, lifecycle management, and performance tuning. Manage and support enterprise-grade storage platforms such as PureStorage, ensuring data availability, performance, and integrity. Design, maintain, and troubleshoot Kubernetes clusters across hybrid environments. ...

week MUFG Client Office) The Role Starburst Developer Your responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineering Desirable ...

write proof-of-concept code, troubleshoot issues, and unblock delivery teams. Advise delivery teams on data architecture implications of design decisions, including feasibility, cost, performance, and maintainability. Essential Qualifications Architecture Deep, demonstrable experience defining, developing, and evolving data architectures in complex, multi-domain organisations. Proven hands-on expertise … DDL. Practical experience with at least one major cloud data platform (Azure Synapse/Fabric, Snowflake, Databricks, BigQuery, AWS Redshift) including cost and performance tuning. Desirable Experience Experience in energy trading, commodities, or financial services data environments (or Big Tech Familiarity with data governance tooling (e.g., Collibra, Purview, Alation ...

Troubleshoot technical separation issues in real time during cutover Core SAP Basis Administration SAP installation, configuration, and patching Kernel upgrades and SAP Notes implementation Performance monitoring and tuning Background job management and reconfiguration User and role restructuring post-separation Infrastructure & Database Support database activities including SAP HANA administration ...

deep hands-on RPG development with technical leadership, solution ownership, and governance of mission-critical core banking systems. The Tech Lead will ensure stability, performance, security, and regulatory compliance of core banking applications while mentoring developers and partnering closely with business, vendor, and operations teams. Key Responsibilities Technical Leadership … development practices, and system governance for RPG and IBM i applications. Review and approve technical designs, RPG code, and database changes. Ensure solutions meet performance, availability, security, and audit requirements. Lead root cause analysis for complex production issues and ensure long-term fixes. Development & Delivery Act as a hands ...

+ 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 ...

complex hybrid Kubernetes/OpenShift environments. You will handle large-scale data onboarding, build advanced ITSI service models and monitoring views, tune platform performance, implement secure governance, and integrate with modern observability pipelines. The position supports critical observability, reliability, and cost management for containerised workloads in a high-stakes … health (API/etcd), node readiness/pressure, pod restart hotspots, network/storage errors, capacity, quotas, and bursting visibility. Tune search/platform performance: workload rules, concurrency limits, Data Model Acceleration (DMA), summary indexing, and scheduling optimisation. Implement alerting, event enrichment, routing to ITSM/ChatOps, suppression windows ...

zScaler Private Access (ZPA).Configure, deploy, and optimise zScaler solutions across multiple regions.Work closely with security, infrastructure, and network teams to ensure smooth integration.Troubleshoot performance issues, policy configurations, and user access flows.Provide technical guidance and documentation for regional teams. 20% - BAU Networking Provide operational support … network activities.Troubleshoot L2/L3 network issues across WAN/LAN/Wi-Fi environments.Review and maintain network configurations, monitoring, and performance tuning. 20% - Azure Networking & Cloud Support Azure networking workloads as part of the Cloud First initiative.Configure and maintain Azure VNets, Firewalls, VPN Gateways, ExpressRoute, and related services.Troubleshoot ...

zScaler Private Access (ZPA).Configure, deploy, and optimise zScaler solutions across multiple regions.Work closely with security, infrastructure, and network teams to ensure smooth integration.Troubleshoot performance issues, policy configurations, and user access flows.Provide technical guidance and documentation for regional teams. 20% - BAU Networking Provide operational support … network activities.Troubleshoot L2/L3 network issues across WAN/LAN/Wi-Fi environments.Review and maintain network configurations, monitoring, and performance tuning. 20% - Azure Networking & Cloud Support Azure networking workloads as part of the Cloud First initiative.Configure and maintain Azure VNets, Firewalls, VPN Gateways, ExpressRoute, and related services.Troubleshoot ...

Learning Engineer to lead the development and training of advanced large-scale language models. In this role, you will be responsible for pushing the performance and reliability of next-generation AI systems, specifically focusing on models that assist with complex real-world tasks. You’ll work closely with cross … Responsibilities Design and execute large-scale training experiments on multi-GPU and distributed environments using cutting-edge ML frameworks. Lead both supervised fine-tuning (SFT) and reinforcement learning (RL) workflows to improve model performance on domain-specific tasks. Build, maintain, and optimise custom training pipelines, including dataset preparation ...