176 to 200 of 499 Performance Tuning Jobs in the UK

designing and implementing microservices-based architectures.Strong understanding of application integration patterns, APIs, and service-oriented design.Expertise in database design, data modelling, query optimisation, and performance tuning.Experience working across the full software development lifecycle in Agile deliveryenvironments.Strong analytical and problem-solving skills with the ability to translate business requirements into ...

/Full Stack Engineer with strong expertise in Core Java, C++, Linux, and low-latency network programming. The successful candidate will work on high-performance trading platforms and Real Time market data distribution systems within a fast-paced financial services environment. This role involves developing and optimising ultra … latency applications, improving system performance, and collaborating with trading, quantitative, and engineering teams to deliver highly reliable and scalable solutions. Essential Skills & Experience 5-10 years of software engineering experience, preferably within investment banking, electronic trading, or high-frequency trading (HFT). Strong hands-on programming experience in Core ...

Join Barclays as a Low Latency Developer and become part of a technology team responsible for building and enhancing high performance trading systems that support critical business activity across our markets platform. This role is focused on the ongoing development and optimisation of a key platform supporting algorithmic trading … Latency Developer you must have the following essential skills : Low latency and advanced Java knowledge (lock free patterns, zero allocation development, performance tuning). OS and network tuning knowledge and hard on experience (mechanical sympathy). Working with low latency messaging (protocols, middleware). Some other highly ...

role in designing, developing, and optimising database solutions. This is an opportunity for a strong SQL professional to influence technical direction, improve database performance, support business-critical systems, and mentor other developers. All the while, working within a collaborative technology team and playing a key role in improving … design, development, and optimisation of SQL Server database solutions Develop and optimise complex T-SQL including stored procedures, functions, views, and triggers Troubleshoot database performance issues, including query optimisation, blocking, and deadlocks Support database security, backups, recovery, and high availability solutions Work with developers, analysts, and stakeholders to deliver ...

case studies with Women in Tech. As a Senior Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...

case studies with Women in Tech. As a Staff Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...

case studies with Women in Tech. As a Staff Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...

work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency … their IT systems Preferred qualifications, capabilities, and skills Experience with high-volume batch and real-time data processing using PySpark or similar frameworks, including performance tuning and troubleshooting of large-scale data pipelines In-depth knowledge of relational and distributed databases (e.g., Oracle, Databricks) with hands-on experience ...

This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential services. 22nd September, 2026 We are looking to recruit an experienced and highly skilled Senior C# Developer to lead the design, development, and optimisation of our mission-critical communication infrastructure. … growth and progress your career within this innovative technology company, based in Waterbeach, Cambridge. Role: Contribute to the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET. Develop robust, low-latency applications that handle high-volume data traffic (e.g., messaging queues, real ...

Implements a repeatable AI-assisted review workflow (PR checklist, quality gates, and approval criteria) that improves readability, reduces defects, and enforces standards for maintainability, performance, and security. Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve … software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security. Defines a practical operating model for AI-assisted development (approved use cases, do/don’t guidance, and escalation paths) so teams ...

analyzing, troubleshooting, and resolving network hardware and software connectivity issues. You will play a critical part in supporting network infrastructure, maintaining wireless technologies, optimizing performance, and providing network security solutions. The ideal candidate will have hands-on experience with network administration , wireless technologies , and routing/switching protocols . … ensure scalability, security, and reliability. Work on network design blueprints and participate in architecture review boards to provide recommendations on improving the network. Network Performance & Optimization: Monitor network performance continuously to detect bottlenecks and propose solutions to improve overall network efficiency. Conduct capacity planning to support future network ...

monitoring, incident management, backup and recovery activities, upgrades and platform maintenance. Key Responsibilities Administration and support of enterprise database platforms, primarily Oracle. Database monitoring, performance optimisation and capacity management. Backup, recovery and disaster recovery management using RMAN. Incident investigation and resolution across production environments. Database patching, upgrades and infrastructure … work within structured change and operational processes. Desirable Experience Oracle RAC, Data Guard and high-availability technologies. SQL Server, MariaDB or Sybase administration. Performance tuning and optimisation. AWS or Azure cloud platforms. Automation and scripting (Python, Shell, PowerShell or Ansible). Experience within financial services or another regulated ...

ensure consistency, security, and scalability Administer and maintain Linux-based systems across on-premises and cloud environments (~70% of the environment), including provisioning, patching, performance tuning, and troubleshooting Support Windows environments (~30%), including core services such as Active Directory, DNS, RDS, and Group Policy Design, deploy, and manage … equipment (Cisco, Arista, Fortinet, Palo Alto, Juniper, Forcepoint) Implement and maintain monitoring and observability solutions (CloudWatch, Prometheus, Grafana, Zabbix) to ensure system health and performance Ensure backup, disaster recovery, and data protection strategies are in place and operational (Veeam, AWS Backup, GCP Backup and DR) Enforce security best practices ...

evolution of deployment pipelines and system reliability across our monorepos and legacy platform (CircleCI, NX, Docker) Guide AWS cloud strategy - hosting, networking, scalability, performance, and cost-efficiency across production environments Oversee Infrastructure as Code practices (e.g. Terraform) and ensure environments are consistent, auditable, and secure Shape monitoring, observability … help raise the bar for engineering talent across the team. Qualifications What you'll bring Technical experience Strong AWS infrastructure experience, including cost optimisation, performance tuning, and production troubleshooting Experience in Operations, DevSecOps, SRE, or Cloud Infrastructure roles in fast-growing, regulated environments Proven experience leading or acting ...

Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

methodologies Design and build scalable data pipelines and orchestration workflows Support data loading and change data capture processes Monitor data quality, integrity and performance across data platforms Maintain medallion architecture layers in a data lake to manage structured and semi-structured data Apply data modelling best practises to support … solution-oriented mindset Experience Experience Proven experience in data activities Experience with Microsoft Fabric including Data Factory, OneLake, Spark Knowledge of DataFrames, Partitioning, Performance Tuning, Notebook Development, Spark SQL, Delta Tables, Data Modelling, Semantic Models Good customer service, communication and team working skills Some desirable experience that ...

Spring Boot, Spring Cloud, and Microservices.Deep knowledge of Kafka, NATS, event streaming, API architecture, and integration patterns.Hands-on expertise with Oracle, PostgreSQL, data modelling, performance tuning, and high-availability systems.Excellent stakeholder management, leadership, and communication skills.Preferred QualificationsBanking or Financial Services background.Experience leading large-scale transformation and modernization programs.TOGAF ...

best practices, design patterns, and cloud security. Collaborate with Product Owners, DevOps, and Security teams to ensure successful solution delivery. Conduct code reviews, performance tuning, Architectural reviews and troubleshooting. 15+ years of experience in software development, with at least 3+ years as a Solution Architect. Strong hands ...

Looking For: Strong commercial experience with C# and .NET Experience with MVC, Razor or Blazor Solid SQL Server skills, including complex queries and performance tuning Experience developing and integrating REST APIs Knowledge of Entity Framework and JavaScript or TypeScript Familiarity with Git, Azure DevOps and CI/ ...

Windows Server 2022 and IIS configuration Networking principles, firewall configuration, and troubleshooting F5 load balancer configuration and support SQL Server configuration, administration, and performance tuning Advanced PowerShell scripting skills for automation and provisioning frameworks. Experience with on-premise x86 infrastructure builds and Azure VMware Solution (AVS) configurations. Demonstrated ...

lookup and master‐detail), record types, and field types. Strong SQL Server and T‐SQL skills, including stored procedures, joins across large data sets, performance tuning, and data quality checks. Experience with data extraction and loading tools for Salesforce (e.g., Data Loader, Bulk API, SSIS, Azure Data Factory ...

rigorous testing and release procedures. Providing expertise on networks, security and databases. Gathering and analysing metrics from operating systems and applications to assist in performance tuning and fault finding. Key skills, experience and behaviours Essential At least 3 years’ experience building/operating systems on cloud, virtualised ...

rigorous testing and release procedures. Providing expertise on networks, security and databases. Gathering and analysing metrics from operating systems and applications to assist in performance tuning and fault finding. Key skills, experience and behaviours Essential At least 3 years experience building/operating systems on cloud, virtualised ...

evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health. Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns. Partner with Security teams to ensure our platforms meet compliance, security, and risk‐management expectations. Influence architectural ...

functional requirements that make or break them. Data Engineering Depth: Strong command of Spark, SQL and Python, data modelling, streaming and batch patterns, performance tuning, and engineering practice (version control, testing, automated deployment). Engineering Leadership: Demonstrable experience leading teams of engineers — technically and as people ...