51 to 75 of 263 Performance Tuning Jobs in the UK

help us fulfil our mission to close the world’s digital skills gap. Key Responsibilities Design and implement model evaluation frameworks to assess performance and reliability Configure and optimise Retrieval-Augmented Generation (RAG) pipelines Develop and refine prompts to improve accuracy, consistency, and usability Conduct performance tuning …/ML engineering, ideally with LLM-based applications Strong hands‐on experience with RAG architectures and prompt engineering Experience evaluating and benchmarking model performance Familiarity with performance optimisation techniques for ML systems Experience working with Azure AI services (preferably Azure AI Foundry) Ability to work independently ...

part of a wider stack. You will be the subject-matter expert for SQL Server in a high-traffic, 24/7, performance-critical environment. The Role You’ll design, optimise and own mission-critical SQL Server databases powering large-scale, high-volume systems. You will: • Design and optimise … complex T-SQL stored procedures, functions, views and triggers • Own performance tuning (indexing strategies, execution plans, partitioning, statistics) • Conduct deep root-cause analysis on production performance issues • Contribute to schema design, capacity planning and lifecycle management • Ensure data integrity, security and compliance best practices • Collaborate closely with ...

support and optimise mission-critical SQL Server environments across a fast-paced, high-volume operational business. This hands-on role focuses on database performance, security, scalability, and continuous improvement, ensuring systems remain reliable and efficient in real-time transactional environments. Key Responsibilities: Write, optimise, and maintain SQL code supporting … integrity, consistency, and quality across all database systems Support developers and analysts with scalable and efficient data access solutions Monitor, troubleshoot, and improve database performance across live environments Analyse execution plans and optimise queries, indexing, and statistics Resolve locking, blocking, and deadlock issues within transactional systems Investigate and resolve ...

trading and market data systems. As part of the specialised network connectivity and hybrid cloud engineering teams, you will help shape and deliver high performance network services across on premise and hybrid cloud environments. The team plays a central role in the firm’s long term transformation, where innovation … technical depth, and continuous learning are core principles.We are looking for engineers who thrive in complex environments, enjoy solving high performance networking challenges, and want to influence the evolution of next generation connectivity platforms.**WHAT YOU'LL BE DOING:**LAN & Connectivity Engineering* Lead the design, optimisation, and evolution ...

automation Requirements Strong commercial Java engineering background within financial services Experience building scalable distributed systems and APIs Strong understanding of multithreading, profiling, and performance tuning Experience with modern engineering practices including TDD, Agile, CI/CD, and automated testing Understanding of clean architecture principles, SOLID design, and software ...

Azure infrastructure or other cloud computing platforms, including Data Factory, ETL processes, Databricks and Data Lake technologies Advanced knowledge of Microsoft SQL Server (Indexes, Performance tuning & query optimization, complex Stored procedures/views/functions) Knowledge of supporting & developing Microsoft Azure ETL pipeline solutions, triggers, connections/data ...

tooling (e.g., Azure Monitor, Log Analytics/KQL, Application Insights, Science Logic), and improve alerting and diagnostics. Plan and implement operational improvements such as performance tuning, resource optimisation and resilience enhancements, aligned to service expectations. Any experience working within the Agile framework using Scrum. Security, compliance & governance Embed ...

design, development, integration, and debugging. Hands on experience with MongoDB (CRUD, indexing, aggregation pipelines). Strong knowledge of MS SQL includes writing queries and performance tuning. Understanding of distributed systems, messaging, and data‐streaming patterns. Experience with version control (Git) and CI/CD pipelines and DevOps Practices. Good ...

BestXWe are seeking an experienced Senior kdb+ Developer to join the BestX engineering team. In this role, you will design, build, and optimise high‐performance data platforms using kdb+, supporting BestX’s multi‐asset analytics capabilities.The ideal candidate brings deep expertise in kdb+ tick architectures, large‐scale performance tuning, and works closely with quantitative and engineering teams to deliver robust, efficient, and maintainable solutions.Key ResponsibilitiesDesign and develop key components of BestX’s multi‐asset analytics platform.Architect, build, and maintain kdb+ tick systems, with strong consideration for data organisation, schema design, and architectural trade‐offs.Develop and operate ...

seeking an experienced Senior kdb+ Developer to join the BestX engineering team. In this role, you will design, build, and optimise high‐performance data platforms using kdb+, supporting BestX's multi‐asset analytics capabilities. The ideal candidate brings deep expertise in kdb+ tick architectures, large‐scale performance tuning … State Street's Global Markets and GlobalLink ecosystem, is the industry‐standard, multi‐asset Transaction Cost Analysis (TCA) platform . Built as a high‐performance analytics platform, BestX processes over one billion market data updates per day , delivering independent, venue‐agnostic insights across FX, fixed income, and equities. BestX ...

enterprise integrations Implement evaluation, monitoring, and observability frameworks to ensure accuracy, latency, reliability, and system health across AI agent lifecycles Optimize AI and system performance across cost, scalability, and latency dimensions in production environments Deliverables or Project Scope Production‐ready AI‐powered applications aligned to defined business workflows … experience with CI/CD pipelines, infrastructure as code, and monitoring or observability tools Proven ability to deliver production‐quality code, including testing, debugging, performance tuning, and operational readiness Preferred Qualifications Experience with agent frameworks such as LangGraph, AutoGen, CrewAI, or similar Experience designing multi‐agent or distributed ...

leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance trading infrastructure supporting market making, OTC, systematic trading, and electronic execution environments. This role sits at the intersection of low-latency software engineering and infrastructure … optimisation, focused on maximising throughput, minimising latency, and delivering deterministic performance across critical trading workflows. The Role Design and develop low-latency trading systems supporting market data, execution, and order routing Build high-performance distributed systems used across trading and liquidity platforms Optimise application, operating system, network ...

Translate business needs into technical solutions Maintain and enhance data platforms and analytics systems Build and manage dimensional data models Conduct testing, troubleshooting and performance tuning Evaluate and improve existing BI systems Collaborate with technical teams to integrate systems Create and maintain technical documentation Please note: This role … frameworks Experience with cloud data platforms (ideally Microsoft Fabric) Familiarity with Power BI or similar BI tools Ability to optimise and troubleshoot query performance Strong analytical and problem-solving skills Desirable Skills Knowledge of modern data architectures Experience with SQL, SSRS, SSIS and SSAS Experience using PySpark Familiarity with ...

file-based data sources Design and maintain curated datasets, semantic layers and dimensional data models for reporting and analytics Optimise SQL queries and database performance Implement data quality checks, monitoring, lineage and observability processes Support data cataloguing, metadata management and governance practices Ensure data security through masking, anonymisation … Services and cloud-based data engineering best practices ETL/ELT pipeline development and orchestration Data modelling for analytics and reporting Query optimisation and performance tuning Testing and automation of data processes Agile delivery methodologies Writing clear technical documentation and communicating effectively with non-technical audiences Desirable skills ...

proof solutions Tech Stack & Experience We’re looking for someone comfortable working across a modern Microsoft data ecosystem: SQL Server (T-SQL, stored procedures, performance tuning) Microsoft Fabric (Dataflows, Power Query, Data Warehouse) – or a strong desire to grow into it Azure (Logic Apps, Function Apps) APIs & data ...

databases on a 24/7, 365 basis , operating at Tier 3-4 level . You'll play a key role in ensuring: Database performance, availability, and stability Seamless integration with customer systems A reliable, high-quality experience for end users You'll also act as a trusted technical …/7 production environment Act as Tier 3-4 escalation for complex incidents and availability issues Analyse existing infrastructure and proactively improve performance and resilience Install, configure, and deploy systems into customer environments Support data migrations and system integrations Identify and implement automation, scripting, and process improvements Perform root ...

SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Soft Skills: Have the ability to motivate ...

Manage virtual machine lifecycle including provisioning, maintenance, migration, and decommissioning Perform OS rebuilds and bare metal provisioning using Rebar Maintain infrastructure stability, availability, and performance Operating Systems Advanced Linux administration including troubleshooting, patching, hardening, and performance tuning Windows Server administration and operational support Perform system upgrades, rebuilds … recovery activities Cloud Support Provide operational support for AWS cloud environments Troubleshoot cloud infrastructure, performance, networking, and access issues Monitor cloud resources and recommend improvements for reliability, security, and cost efficiency Support hybrid infrastructure environments Infrastructure as Code and DevOps Strong experience with Terraform for infrastructure provisioning and updates ...

role in designing, building, and improving database solutions that underpin our business-critical applications and integrations. The role is focused on database development and performance, working closely with application and integration teams in a collaborative environment. This role is primarily development focused (database code, schema, data design, performance … Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable ...

C++ Contractorto join a fast-paced engineering team on an initial 6-month remote contract. This is an exciting opportunity to work on high-performance, real-time software systems using modern C++ technologies within an agile environment. The role would suit someone who enjoys solving complex technical challenges, building … scalable applications, and contributing from day one. The Role Youll be responsible for: Designing, developing, and optimizing high-performance C++ applications Working on real-time, multithreaded software systems Collaborating with cross-functional engineering teams Participating in agile ceremonies including sprint planning, stand-ups, testing, and code reviews Troubleshooting complex ...

hybrid cloud environments. Perform cluster upgrades, patching, troubleshooting, and platform lifecycle management. Manage OpenShift networking, storage, security, ingress, and RBAC configurations. Monitor platform health, performance, and capacity to ensure high availability. Support containerized application deployments and platform operations. KVM Virtualization Administration Administer and maintain KVM-based virtualized infrastructure. Provision … monitor, troubleshoot, and optimize virtual machine environments. Implement performance tuning, capacity planning, and high-availability solutions. Ensure platform security, compliance, and operational resilience. Monitoring, Automation & Support Implement and maintain monitoring solutions using Prometheus, Grafana, ELK/OpenSearch, or equivalent technologies. Develop automation using Shell Scripting, Ansible, and related ...

Data Warehousing, AWS, SQL Server DBA/Data Engineer) Founded in 2010, our client is a rapidly growing software company focused on delivering high-performance data solutions for enterprise clients. With a strong presence across the U.S. and Europe, they’re now scaling their operations … their expansion, they are looking for a talented SQL/Data Engineer. In particular, they are looking to move into the field of high-performance data analytics. contribute to the ongoing development and performance optimisation of their mission-critical data platforms. Our client is looking for passionate ...

data models Creating dashboards and reports for senior leaders and business users Improving data quality, documentation, and governance Optimising SQL queries and dashboard performance Working with stakeholders to define KPIs and technical requirements Supporting junior engineers with code reviews and BI best practice Skills and experience: 5+ years' experience … data engineering, analytics engineering, or technical analytics Strong SQL skills, including joins, window functions, and performance tuning Experience with Databricks, Snowflake, or BigQuery Strong data modelling experience, ideally with dbt Experience with BI tools such as Omni, Power BI, Tableau, Looker, or Sigma Strong stakeholder management and communication ...

ElastiCache, and Lambda. Own the monitoring and observability stack using Datadog APM to reduce alert fatigue and lead incident response. Optimize data pipelines and performance, including Airbyte replication and PostgreSQL tuning for high-concurrency music streaming. The ideal candidate: Deep expertise in AWS (ECS/Fargate … Infrastructure-as-Code using Pulumi, Terraform, or CDK. Strong PostgreSQL and Redis knowledge, specifically regarding performance tuning, indexing, and connection pooling at scale. Proven experience in incident response and CI/CD management, with the ability to stay calm and diagnose issues in production. #J-18808-Ljbffr ...

Cucumber, and Selenium WebDriver within complex enterprise environments. Strong understanding of Spring applications , microservices, and distributed architectures. Good understanding in PostgreSQL , including query optimisation, performance tuning, and data validation. Experience using WireMock for service virtualisation and integration isolation. Strong expertise in Performance, Load , and Stress testing using ...