76 to 100 of 183 Performance Tuning Jobs in the UK

Key Responsibilities: You’ll investigate and resolve complex technical issues across infrastructure components, ensuring rapid service restoration and minimal disruption. You’ll manage system maintenance, patching, access controls, and performance tuning, while ensuring compliance with security policies. You’ll also support disaster recovery planning, system upgrades, and integration of IT systems following business acquisitions. Your role will include … managing monitoring tools, analysing performance data, and documenting processes to drive continuous improvement. You’ll collaborate with internal teams and vendors, occasionally stepping into a technical lead role to deliver secure, scalable solutions. Technical Skills Required: Microsoft 365 (Entra ID, Intune, SharePoint, Exchange Online) Microsoft Azure (AVD, VMs, Networking, Storage) Security tools (Defender, Sentinel, Purview, Mimecast) Backup & DR (Veeam More ❯

Learning models, including Large Language Models (LLMs) and GenAI, while working with diverse datasets and modern deployment technologies. You'll play a key role in data processing, model fine-tuning, and deployment , helping to shape innovative solutions that make a tangible impact. Key Responsibilities: Design, develop, and deploy AI/Machine learning models and solutions, including LLMs and GenAI. … production using containerisation tools (Docker, Kubernetes) and ensure scalability, robustness, and monitoring. Research and apply the latest advancements in Generative AI and data science. Support model evaluation, logging, and performance tuning across GPU-based environments. Collaborate with stakeholders to gather requirements and deliver solutions aligned to business needs. Document workflows, data pipelines, and model processes for knowledge transfer … and reproducibility. Key Skills & Experience: 4-5 years' experience across AI/ML, data science, or data engineering, with recent hands-on work in GenAI. Proven experience fine-tuning and deploying open-source LLMs. Strong knowledge of AI/ML algorithms and techniques (supervised, unsupervised, reinforcement learning). Solid background in data preprocessing, wrangling, and feature engineering. Proficiency in More ❯

Learning models, including Large Language Models (LLMs) and GenAI, while working with diverse datasets and modern deployment technologies. You’ll play a key role in data processing, model fine-tuning, and deployment , helping to shape innovative solutions that make a tangible impact. Key Responsibilities: Design, develop, and deploy AI/Machine learning models and solutions, including LLMs and GenAI. … production using containerisation tools (Docker, Kubernetes) and ensure scalability, robustness, and monitoring. Research and apply the latest advancements in Generative AI and data science. Support model evaluation, logging, and performance tuning across GPU-based environments. Collaborate with stakeholders to gather requirements and deliver solutions aligned to business needs. Document workflows, data pipelines, and model processes for knowledge transfer … and reproducibility. Key Skills & Experience: 4–5 years’ experience across AI/ML, data science, or data engineering, with recent hands-on work in GenAI. Proven experience fine-tuning and deploying open-source LLMs. Strong knowledge of AI/ML algorithms and techniques (supervised, unsupervised, reinforcement learning). Solid background in data preprocessing, wrangling, and feature engineering. Proficiency in More ❯

Learning models, including Large Language Models (LLMs) and GenAI, while working with diverse datasets and modern deployment technologies. You’ll play a key role in data processing, model fine-tuning, and deployment , helping to shape innovative solutions that make a tangible impact. Key Responsibilities: Design, develop, and deploy AI/Machine learning models and solutions, including LLMs and GenAI. … production using containerisation tools (Docker, Kubernetes) and ensure scalability, robustness, and monitoring. Research and apply the latest advancements in Generative AI and data science. Support model evaluation, logging, and performance tuning across GPU-based environments. Collaborate with stakeholders to gather requirements and deliver solutions aligned to business needs. Document workflows, data pipelines, and model processes for knowledge transfer … and reproducibility. Key Skills & Experience: 4–5 years’ experience across AI/ML, data science, or data engineering, with recent hands-on work in GenAI. Proven experience fine-tuning and deploying open-source LLMs. Strong knowledge of AI/ML algorithms and techniques (supervised, unsupervised, reinforcement learning). Solid background in data preprocessing, wrangling, and feature engineering. Proficiency in More ❯

practices, coding standards, and architectural patterns . Collaborate with cross-functional teams (designers, engineers, product managers) to deliver scalable, user-focused solutions. Drive technical decisions across Android projects, ensuring performance, maintainability, and security. Provide technical leadership, mentoring, and guidance to Android developers. Contribute to CI/CD pipelines, testing automation, and cloud integration for Android applications. Stay up to … integration . Familiarity with CI/CD tools (Git, Jenkins, Azure DevOps, or similar) . Experience implementing automated testing frameworks (JUnit, Espresso, Mockito). Solid understanding of mobile security, performance tuning, and accessibility . Excellent communication skills and ability to work with senior stakeholders . Nice to Have Experience with cloud-native solutions (Azure, AWS, or GCP). More ❯

practices, coding standards, and architectural patterns . Collaborate with cross-functional teams (designers, engineers, product managers) to deliver scalable, user-focused solutions. Drive technical decisions across Android projects, ensuring performance, maintainability, and security. Provide technical leadership, mentoring, and guidance to Android developers. Contribute to CI/CD pipelines, testing automation, and cloud integration for Android applications. Stay up to … integration . Familiarity with CI/CD tools (Git, Jenkins, Azure DevOps, or similar) . Experience implementing automated testing frameworks (JUnit, Espresso, Mockito). Solid understanding of mobile security, performance tuning, and accessibility . Excellent communication skills and ability to work with senior stakeholders . Nice to Have Experience with cloud-native solutions (Azure, AWS, or GCP). More ❯

practices, coding standards, and architectural patterns . Collaborate with cross-functional teams (designers, engineers, product managers) to deliver scalable, user-focused solutions. Drive technical decisions across Android projects, ensuring performance, maintainability, and security. Provide technical leadership, mentoring, and guidance to Android developers. Contribute to CI/CD pipelines, testing automation, and cloud integration for Android applications. Stay up to … integration . Familiarity with CI/CD tools (Git, Jenkins, Azure DevOps, or similar) . Experience implementing automated testing frameworks (JUnit, Espresso, Mockito). Solid understanding of mobile security, performance tuning, and accessibility . Excellent communication skills and ability to work with senior stakeholders . Nice to Have Experience with cloud-native solutions (Azure, AWS, or GCP). More ❯

system resilience, and platform evolution. What will I be doing: Design, develop, and optimise scalable Back End services in Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews, technical guidance, and best practices. Collaborate with Product, Design … Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred). Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms. Experience with relational and non-relational databases (PostgreSQL, MongoDB). Comfortable working in agile, fast-moving environments with high ownership. Curious about new technology, with More ❯

With a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries.In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … scale.The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring.This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and technology. … The Role: *Owning React application reliability, observability, and performance in production environments*Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks*Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry)*Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and AWS More ❯

a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries. In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring. This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and … technology. The Role: *Owning React application reliability, observability, and performance in production environments *Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks *Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry) *Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and More ❯

have experience of Replication & Streaming including IBM CDC replication technologies, Confluent Kafka & IBM Voltage encryption. NoSQL expertise to include strong skills in Couchbase cluster management, Version upgrades, security patching & performance tuning and high availability via node scaling and rebalancing. Experience of programming & automation including Python & Shell scripting and Jenkins-based CI/CD pipelines. You must have experience More ❯

SQL Server DBA with Azure experience. What were looking for: 3+ years' experience in SQL Serverwith hands-on Azure SQL Database administration Strong T-SQL (queries, stored procedures, indexing, performance tuning) Proven experience maintaining, optimising, and scaling production databases Knowledge of Azure Data Factory, Synapse Analytics is a plus Track record of working in or supporting SaaS or More ❯

engineers, and business stakeholders to deliver clean, reliable data. Supporting the migration of legacy systems to a modern Azure-based architecture Ensuring best practices in data governance, security, and performance tuning Requirements: Proven experience with Azure Data Services (ADF, Synapse, Data Lake) Strong hands-on experience with Databricks (including PySpark or SQL) Solid SQL skills and understanding of More ❯

the Oracle DBA (Financial Services): - Experience of administering large, highly available, multi-terabyte production databases as an Oracle DBA essential, (ideally with Oracle 19c and 23ai) as well as performance tuning skills within SQL & PL/SQL- Knowledge of Exadata, RAC and ZFS would be handy but not essential- Knowledge of the Cloud, particularly OCI and Azure would More ❯

Data Solutions – Design, build, and operate cloud-native, high-throughput data pipelines and services, ensuring availability, scalability, cost-efficiency, and security. Champion Engineering Excellence – Enforce clean code, rigorous testing, performance tuning, and secure-by-design standards; continuously improve team practices. Drive Delivery – Elicit requirements, lead decision-making sessions, and coordinate with platform, infrastructure, and security teams to deliver More ❯

Terraform and other IaC tools. Deep understanding of DevOps culture, CI/CD pipelines, and automation. Container technologies (Docker essential, Kubernetes desirable). Knowledge of cloud security, networking, and performance tuning. Passion for collaboration, clean code, and continuous learning. Next Steps If you hold active SC Clearance and are interested in one of these four opportunities, please apply with More ❯

oversee the day-to-day operations of the SQL Server or Oracle estate, including monitoring disk space, backups, log shipping, database mirroring, clustering, availability groups, and troubleshooting. Proactively optimising performance and monitor storage and capacity planning. Youll manage the refresh and maintenance of DEV, QA, UAT, and Live environments, including checking and applying code changes, restoring backups, and ensuring … Service Management processes to meet KPIs and SLOs. Collaboration & Continuous Improvement: Collaborate with the Service Desk, Development, and Infrastructure teams to resolve incidents and refine database designs to meet performance and storage requirements. Mentorship & Team Development: Mentor junior database engineers, providing guidance and support to enhance their technical skills and professional growth. Lead training sessions and knowledge-sharing initiatives. … third-party monitoring tools and the administration of database platforms in the cloud is also essential. Proven deep experience in MS/SQL Server administration, with a focus on performance tuning Deep knowledge of security risk assessments, compliance, and information security standards Strong scripting and automation skills Strong understanding of Windows Server and virtualisation Profile description: ABOUT US More ❯

database languages. Collaborate with cross-functional teams to implement new features or enhancements. Support testing, debugging, and troubleshooting of existing software applications. Maintain and evolve existing codebases based on performance analysis or changing requirements. Follow and promote software development best practices including: Coding standards Code reviews Source control (e.g., Git) Build and CI/CD processes Automated and manual … or more of the following languages: Python, C++, Java, C#, or similar. Experience with software development tools and practices (e.g., Git, Jenkins, Docker, Jira). Strong debugging, troubleshooting, and performance tuning skills. Understanding of object-oriented and/or functional programming principles. Familiarity with Agile methodologies and version control workflows. Ability to interpret and translate complex system requirements More ❯

Administrator (Dell/HP Specialist) Contract Location: Wokingham 3 days per week onsite; ad hoc visits to Reading Rate: £380 - £420 DOE, inside IR35 Duration: Initial 6 months (with performance-based extension), starting ASAP Are you an expert in enterprise storage and backup solutions with strong experience across Dell PowerMax and HP 3PAR technologies? Our client is seeking a … hardware/software faults in high-availability (HA) environments. Collaborate with Dell teams to assess infrastructure designs and solutions. Produce and maintain build/configuration documentation. Lead technical troubleshooting, performance tuning, and system integration. Supervise implementation teams and provide technical guidance. Evaluate emerging technologies and suggest improvements. Ensure robust monitoring, backup, and disaster recovery processes. Communicate with stakeholders More ❯

and deliver scalable solutions Contribute to the integration strategy and tooling as the platform evolves Provide 3rd line support for complex issues – including root cause analysis, bug fixes, and performance tuning Triage and escalate issues where needed Document integration processes and support activity Support onboarding of new clients and roll-out of new features Participate in a support … both independently and as part of a hybrid team What’s on offer: Salary: £45,000 - £50,000 Hybrid working: 2 days office-based in Shropshire, 3 days remote Performance-related bonus scheme 25 days holiday plus bank holidays, two wellbeing days, and two paid volunteering days Christmas shutdown Company pension contribution Flexible benefits package – including private healthcare, life More ❯

and deliver scalable solutions Contribute to the integration strategy and tooling as the platform evolves Provide 3rd line support for complex issues – including root cause analysis, bug fixes, and performance tuning Triage and escalate issues where needed Document integration processes and support activity Support onboarding of new clients and roll-out of new features Participate in a support … both independently and as part of a hybrid team What’s on offer: Salary: £45,000 - £50,000 Hybrid working: 2 days office-based in Shropshire, 3 days remote Performance-related bonus scheme 25 days holiday plus bank holidays, 2 wellbeing days, and 2 paid volunteering days Christmas shutdown Company pension contribution Flexible benefits package – including private healthcare, life More ❯

Experience in building scalable, resilient systems is critical. Knowledge of payment systems is a plus. Key Responsibilities: Lead a team of platform engineers in building and maintaining robust, high-performance systems. Take ownership of platform stability, reliability, scalability, and performance. Collaborate closely with product teams, infrastructure, and DevOps to address platform issues and implement improvements. Architect and develop resilient … frameworks (Spring Boot preferred). Proven experience in Site Reliability Engineering (SRE), including monitoring, alerting, and incident management. Hands-on experience with Kafka, MuleSoft, and Oracle DB. Familiarity with performance tuning, system design, and distributed computing concepts. Experience with CI/CD pipelines and infrastructure-as-code (e.g., Jenkins, Terraform, Ansible) is a plus. Ability to lead and More ❯

text-to-speech, image generation, and enhanced tool calling capabilities Implement and optimize model serving infrastructure using frameworks like vLLM, ONNX Runtime, and Nvidia Triton to achieve production-scale performance requirements Collaborate with DevOps teams on MLOps infrastructure including model monitoring, load testing, caching optimization, and automated CI/CD pipelines for model deployments Contribute to privacy-preserving ML … and data pipeline development Experience integrating LLMs with tool calling/MCP Knowledge of privacy-preserving ML techniques and on-device model deployment Previous work on cost optimization and performance tuning of ML systems at scale What We're Looking For Deep curiosity about emerging AI models and their practical applications Strong problem-solving skills with ability to More ❯

to understand integration requirements and deliver scalable solutions. Contribute to the evolution of our integration strategy and tooling. Provide 3rd line support for complex issues, including root cause analysis, performance tuning, and bug fixing. Triage and escalate issues to the development team where appropriate. Document integration processes and support resolutions to build internal knowledge. Support the onboarding of … in a sector that becomes an extension to your team, with many opportunities to network, travel and learn. Excellent training and support with the opportunity for further professional development. Performance-related bonus scheme. 25 days annual holiday allowance plus bank holidays off. 2 wellbeing days a year to rest and recharge. 2 community/charity paid days. Christmas shut More ❯

to understand integration requirements and deliver scalable solutions. Contribute to the evolution of our integration strategy and tooling. Provide 3rd line support for complex issues, including root cause analysis, performance tuning, and bug fixing. Triage and escalate issues to the development team where appropriate. Document integration processes and support resolutions to build internal knowledge. Support the onboarding of … in a sector that becomes an extension to your team, with many opportunities to network, travel and learn. Excellent training and support with the opportunity for further professional development. Performance-related bonus scheme. 25 days annual holiday allowance plus bank holidays off. 2 wellbeing days a year to rest and recharge. 2 community/charity paid days. Christmas shut More ❯