226 to 250 of 1,228 Performance Tuning Jobs in the UK

latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to … user experience, decision-making, and automation. Exposure to modern AI application patterns such as: Retrieval-Augmented Generation (RAG) for augmenting LLMs with domain-specific knowledge. Prompt engineering and fine-tuning for tailoring model behavior to business-specific contexts. Use of embedding stores and vector databases (e.g., Pinecone, Redis, Azure AI Search) to support semantic search and recommendation systems. Building More ❯

for someone who understands how to model, optimize, and apply data to support better business decisions. Key Experience Required Expertise in SQL Server (approx. 75% of the role) including performance tuning, data warehousing, and reporting. Experience with AWS data services (approx. 25%), particularly RDS, S3, Lambda, EventBridge, and building data pipelines in cloud-native environments. Proven delivery of … dimensional/Kimball data models in collaboration with Data Analysts. Strong proficiency with Power BI, including performance optimisation and deployment strategies. Hands-on experience with Python for automation and data transformation (not just file handling). Understanding and experience of Data Governance frameworks and implementation. Exposure to CI/CD pipelines and source control for reports and analytics. Bonus More ❯

below Skills: See below Work Hours: 37.5 hours Benefits: 25 days holiday rising to 28 Life assurance x3 Pension 5% plus 3% Annual Bonus based on personal and group performance Remote working fully supported Annual increase Vouchers given per month to best employee: £250, £500, and £1000 Lucrative Reward and Commission scheme and long service rewards Salary negotiable between … Excellent understanding of the development life cycle for business apps Strong knowledge of logical and physical data modeling concepts T-SQL (MS SQL Server 2014, 2012) SQL Server engine, performance tuning, storage internals + indexing Problem solving, solution architecture and build Database & data warehouse design (preferably Kimball), architecture SQL Server Reporting Services (SSRS) 2012, 2014 SQL Server Integration More ❯

management at scale. You’ll primarily work in OCaml, a functional programming language suited for building safe and maintainable systems software. The role involves challenges like distributed system orchestration, performance optimization, and robust API design within an active open-source and enterprise environment. It is ideal for engineers eager to grow their skills while solving impactful problems. About XenServer … powers critical infrastructure worldwide — including hospitals, government systems, cloud platforms, and high-security environments. It supports thousands of virtual desktops, ultra-low-latency network appliances, and workloads demanding high performance and reliability. Contributing to XenServer enables organizations globally to operate confidently. What you'll do Design, implement, test, and maintain software for XenServer’s control plane Lead cross-team … critical virtualization platform. Your contributions will directly influence how organizations manage infrastructure in healthcare, finance, education, and cloud environments worldwide. It offers the chance to tackle technical challenges—from performance tuning to open API design—while deepening expertise in systems engineering and functional programming. Whether aiming to lead features, ascend to architectural roles, or contribute to open source More ❯

across the stack, developing and maintaining features using .NET, Vue.js, and other technologies. As part of this transformation, you'll help rebuild legacy components with modern solutions, ensuring better performance, maintainability, and integration across the platform. A strong proficiency in SQL, particularly with SQL Server, is crucial for this role, as you will work on optimizing database performance … If you enjoy working with both existing and new technologies in a dynamic environment, we’d love to hear from you! Key Responsibilities : Design, develop, and maintain scalable, high-performance web applications using .NET and Vue.js. Enhance and support existing solutions built with older versions of .NET and Vue.js. Troubleshoot and optimize database performance, including query optimization, indexing … to deliver software solutions aligned with business needs. Write clean, maintainable, and efficient code while adhering to best practices. Ensure the quality of the delivered solutions. Optimize applications for performance, scalability, and responsiveness. Troubleshoot and resolve complex technical challenges. Conduct code reviews and mentor junior engineers. Willingness to learn, flexible approach, and staying current with emerging trends in IT More ❯

tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performance tuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Mentorship & Collaboration Support peers through code reviews … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯

tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performance tuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Mentorship & Collaboration Support peers through code reviews … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯

tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performance tuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Mentorship & Collaboration Support peers through code reviews … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯

enterprise libraries Working closely with cross-functional teams, including UI/UX designers, frontend developers, and product managers, to ship new full-stack features Developing code optimized for database performance, including complex SQL queries, and database performance tuning Implementing and integrate text search engines (e.g. Solr) to enhance application search capabilities Conducting thorough testing (automated and manual … to identify, fix bugs, and performance issues Mentoring junior developers and promote knowledge sharing to enhance team skills and productivity Collaborating with L2 support to troubleshoot and fix customer issues in a timely manner Staying up to date with the latest industry trends and technologies to ensure our applications are built using the best practices Backend – Java REST APIs More ❯

in sizing, capacity planning, backup, cloning and disaster recovery planning for multi-terabyte databases Excellent understanding of Oracle High Availability and Failover (Dataguard, GRID) Thorough understanding of optimisation and performance tuning Excellent understanding of Oracle Objects (including PL/SQL, packages, procedures, functions and triggers etc) Good understanding of Solaris O/S (ZFS and installation), Linux O More ❯

candidates who thrive in a data-driven, collaborative environment and want to make a tangible impact on business outcomes. Key Responsibilities: Manage, maintain, and optimise cloud databases Monitor database performance, troubleshoot issues, and implement improvements Design, build, and maintain robust data pipelines for ingestion, transformation, and delivery of large datasets Improve and implement processes for loading, validating, and managing … solutions Essentials About You Must have: at least 5 years’ experience as a Data Ops Engineer/Database Administrator (DBA) Strong SQL skills and experience with database optimisation and performance tuning Strong practical skills in PHP, Python, SQL. At least 3 years’ experience using Athena, Glue, RDS, S3, Linux scripting Experience with data modelling, data wrangling, schema design More ❯

ideal candidate will design, implement, and manage robust infrastructure solutions, ensuring reliability, scalability, and performance. How will you make an impact in this role? Ensure the reliability, availability, and performance of the entire infrastructure stack including compute, storage, network and cloud components. Lead incident response efforts across the infrastructure stack, coordinating with Application Support, SRE, and Engineering teams to … least one scripting language (Python, Bash) for automation. Experience with CI/CD pipeline management and DevOps practices. Strong understanding of disaster recovery and business continuity planning. Experience with performance tuning and capacity planning. Understanding of chaos engineering principles and practices. Skills in cost optimization for cloud infrastructure. Preferred qualifications Experience in using cloud native monitoring tools like … AWS CloudWatch, Azure Monitor, and Google Cloud Operations Suite. Experience with packet capture tools like Wireshark for troubleshooting network issues. Experience in using traceroute utilities and performance analysis tools like perf for identifying and resolving bottlenecks. Familiarity with tools such as ipconfig/ifconfig for viewing network configurations, flushing DNS, and diagnosing network issues. Experience with SNMP-based tools More ❯

delivery. Collaborate with clients to define success criteria, gather inputs, and translate business requirements into scalable technical solutions. Design, implement, and optimize mainframe databases and subsystems, ensuring high availability, performance, and security. Lead modernization initiatives, enabling integration with cloud services and unlocking value from existing mainframe data assets. Guide cross-functional teams throughout the solution lifecycle, including external vendors … or Datacom. Strong understanding of z/OS environments and technologies including JCL, JES, RACF/ACF2, CICS, COBOL, PL/I, SQL, and Natural. Proven experience in database performance tuning, capacity planning, and high availability configuration. Ability to articulate the value of modern database features in achieving business outcomes. Excellent problem-solving, analytical, and decision-making skills. More ❯

sizing, capacity planning, backup, cloning, and disaster recovery planning for multi-terabyte databases Excellent understanding of Oracle High Availability and Failover (Data Guard, GRID) Thorough understanding of optimisation and performance tuning Excellent understanding of Oracle Objects (including PL/SQL, packages, procedures, functions, and triggers) Good understanding of Solaris O/S (ZFS and installation) and Linux O More ❯

seeking a highly skilled and proactive Application Support Analyst to lead support and continuous improvement of enterprise applications across our organization. This role is critical in ensuring system stability, performance, and usability that support business operations. It is a hands-on role, acting as a technical expert and escalation point, bridging gaps between IT, users, and vendors while driving … issues. Serve as the escalation point for complex incidents and application issues, driving resolution end-to-end. Collaborate with development teams, infrastructure, and vendors to diagnose and resolve bugs, performance issues, and outages. Lead application upgrades, patch management, UAT, and post-deployment support. Ensure data integrity, system reliability, and compliance with internal IT governance and policies. Develop and maintain … troubleshooting skills. Familiarity with PAM tools like BeyondTrust is a plus. Scripting or automation skills (PowerShell, Python). Experience with cloud platforms (AWS, Azure) and SaaS environments. Monitoring and performance tuning experience. Experience with application rollouts, upgrades, patching, and post-deployment support. Knowledge of ITIL principles is a plus. Our Culture We are an energetic, fast-paced brand More ❯

part of a cross-functional team. What You'll Be Doing Design, implement, and support technical infrastructure across compute, storage, network, and virtualization platforms. Maintain operational health and system performance across a hybrid on-prem and cloud environment. Conduct proactive capacity planning and performance tuning to prevent downtime and service degradation. Lead technical initiatives involving infrastructure upgrades More ❯

Develop ETL processes and support the integration of data from core insurance systems Work closely with BI, data architecture, and business teams to shape data structures and pipelines Support performance tuning, indexing, and optimisation across complex datasets Must-have experience: Strong T-SQL development experience with SQL Server Background in the London Markets insurance sector (syndicates, brokers, carriers More ❯

Develop ETL processes and support the integration of data from core insurance systems Work closely with BI, data architecture, and business teams to shape data structures and pipelines Support performance tuning, indexing, and optimisation across complex datasets Must-have experience: Strong T-SQL development experience with SQL Server Background in the London Markets insurance sector (syndicates, brokers, carriers More ❯

to join our team and contribute to the ongoing development of our SaaS platform. You will work directly with our Tech Lead to build new backend functionality, improve system performance, and help shape the backend architecture as we scale. This is an exciting opportunity to have a real impact in a high-growth environment. The role requirements Design, develop … and development priorities Write clean, maintainable, and testable code Participate in code reviews and ensure adherence to best practices Integrate with 3rd-party APIs and data sources Contribute to performance tuning and optimization Work in a fast-paced, agile environment with short development cycles Communicate effectively across distributed teams What We’re Looking For 4+ years of professional More ❯

Develop ETL processes and support the integration of data from core insurance systems Work closely with BI, data architecture, and business teams to shape data structures and pipelines Support performance tuning, indexing, and optimisation across complex datasets Must-have experience: Strong T-SQL development experience with SQL Server Background in the London Markets insurance sector (syndicates, brokers, carriers More ❯

with Temenos Transact T24 and external systems eg AML fraud detection gateways Design and implement interfaces APIs MQ filebased ISO20022XMLSWIFT messages for inbound and outbound processing Support system testing performance tuning and troubleshooting across environments Provide technical documentation code reviews and participate in CICD pipelines Collaborate with functional consultants testers DevOps teams and clientside IT Required Skills Experience More ❯

enterprise libraries Working closely with cross-functional teams, including UI/UX designers, frontend developers, and product managers, to ship new full-stack features Developing code optimized for database performance, including complex SQL queries, and database performance tuning Implementing and integrate text search engines (e.g. Solr) to enhance application search capabilities Conducting thorough testing (automated and manual … to identify, fix bugs, and performance issues Mentoring junior developers and promote knowledge sharing to enhance team skills and productivity Collaborating with L2 support to troubleshoot and fix customer issues in a timely manner Staying up to date with the latest industry trends and technologies to ensure our applications are built using the best practices Backend – Java REST APIs More ❯

tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performance tuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Support peers through code reviews, design discussions … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯

Architect and maintain Azure-based infrastructure using Infrastructure as Code (IaC) practices. Drive DevOps adoption and automation across multi-disciplinary teams and client engagements. Provide technical leadership in troubleshooting, performance tuning, and system reliability improvements. Mentor junior engineers, conduct code reviews, and contribute to capability development. Ensure adherence to DevSecOps principles and promote continuous improvement across engineering practices. More ❯

practices and ensuring maintainability. Create insightful, interactive reports and dashboards using Power BI . Use Git and Azure DevOps (ADO) for version control and deployment workflows. Continuously improve the performance, reliability, and scalability of data systems. Advocate for best practices in data governance, data quality, and documentation . What will you need to do it? In depth experience working … Azure Data Factory, Synapse Analytics, Azure Data Lake Storage, and related tools. Microsoft Fabric – experience with dataflows, lakehouses, notebooks, and workspace management. Azure Synapse Analytics – pipeline and notebook creation, performance tuning, and data transformation logic. Power BI – data modelling, DAX, and visualisation development. Delta Lake – supporting structured streaming and batch data workloads. Python & PySpark – used for scalable data More ❯