51 to 75 of 251 Performance Tuning Jobs in the UK

Senior Azure/.NET Infrastructure Engineer - Drive Performance at Scale Up to £90,000 + Exceptional Benefits Remote-First | Flexible Working Shape the Future of High-Performance Platforms Are you passionate about optimizing, scaling, and securing cloud-native applications This is your chance to join a fast-growing engineering team where your expertise will directly impact customers, engineers … and business success . We're looking for a Senior Infrastructure Engineer with deep experience in Azure and .NET environments , who thrives on solving complex challenges and driving performance improvements in a dynamic, Agile setting. What You'll Do Design, manage, and scale Azure-based infrastructure using Infrastructure as Code? Optimize and maintain a .NET application stack for performance and reliability? Implement monitoring and observability tools to ensure system health? Review code for performance best practices and troubleshoot production issues? Plan for growth, automation, and continuous improvement across the platform What You Bring 5+ years of Azure experience Strong background in .NET application infrastructure Expertise in Azure DevOps Build & Release Pipelines Skilled in profiling, benchmarking, and performance More ❯

areas of engineering Work with stakeholders to design hybrid-cloud systems - we use AWS and also co-locate Payment HSMs in physical data centres around the world Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Respond promptly in-hours to technical incidents Embrace automation and be reluctant for manual implementation Implement security best practices ensuring … concepts of RESTful APIs and web technologies such as API gateways Excellent communication and problem-solving skills Desirably you will have: Understanding of database monitoring, analysis, disaster recovery and performance tuning Knowledge of security and compliance frameworks like ISO270001, SOC2 and PCI-DSS Understanding of networking and routing concepts (TCP/IP, VLANs, VPNs, BGP, etc) and preferably More ❯

Oracle Dataguard configuration, maintenance and operational optimisation Oracle Goldengate configuration and Support Oracle key Vault (OKV) Capability Oracle Database engine Fault Diagnosis and Resolution Practical expertise in Oracle Database performance tuning and optimization Oracle Enterprise Monitor (OEM) setup, configuration, and alerting enhancements (Metric Extensions) Oracle Platform Security concepts and delivery (Kerberos, mTLS and Database Vault) Experience with automated … to vary standard accrual rates and dial up and dial down rates at any time and to withdraw dial up and dial down options at any time. A discretionary performance award based on a current award pool. An 8% benefits allowance with the option to take as salary or purchase a wide range of flexible benefits. 26 days' annual More ❯

Proficiency in SQL, Python (Pandas), Spark or Iceberg. Experience with data warehouse design, ETL/ELT, and CI/CD pipelines (GitHub, CodeBuild). Knowledge of infrastructure as code, performance tuning, and data migration. Exposure to DBT, Docker, or Microsoft BI stack is a plus. What’s on offer: Opportunity to work on large-scale, high-impact data More ❯

Proficiency in SQL, Python (Pandas), Spark or Iceberg. Experience with data warehouse design, ETL/ELT, and CI/CD pipelines (GitHub, CodeBuild). Knowledge of infrastructure as code, performance tuning, and data migration. Exposure to DBT, Docker, or Microsoft BI stack is a plus. What’s on offer: Opportunity to work on large-scale, high-impact data More ❯

. Full-stack skills in Core Java and REST APIs. Practical knowledge of multi-threading, event-driven programming, and memory optimization. Strong problem-solving and analytical abilities. Knowledge of performance tuning techniques. Familiarity with enterprise SDLC tools like JIRA and Confluence. Experience with CI/CD tools such as Git, Maven/Gradle, Jenkins/Bamboo, GitLab. Shell More ❯

Your new company Step into the future of computing with a trailblazing organisation at the intersection of AI innovation and High Performance Computing (HPC). This company is redefining scalable infrastructure, building GPU-optimised environments that power advanced research and enterprise workloads. With a strong commitment to ethical computing and technical excellence, they're shaping the next generation of … you'll architect and deliver large-scale HPC and AI infrastructure from the ground up. You'll be the driving force behind the design, deployment, and optimisation of high-performance clusters - collaborating with internal engineering teams, OEMs, and external suppliers to build robust, scalable systems. Key responsibilities include: Designing end-to-end infrastructure solutions across compute, storage, and networking … Producing detailed technical documentation: hardware specs, data centre layouts, cabling, power and cooling Installing and tuning Linux-based operating systems and configuring SLURM job schedulers Optimising high-speed networking technologies (Infiniband, RoCE) Automating deployments and maintenance using Ansible, Terraform, Bash, and Python Troubleshooting complex distributed systems and mentoring junior engineers This is a rare opportunity to lead infrastructure projects More ❯

SQL. Write efficient SQL queries and stored procedures for data processing and reporting. Automate ingestion of structured and semi-structured data sources. Optimise data models and pipelines for scalability, performance, and cost efficiency. Collaborate with analysts and business stakeholders to deliver reliable datasets. Implement best practices in data quality, governance, and secu rity . Experience: 2-3 years' experience … as a Data Engineer, with strong hands-on Snowflake expertise. Proven experience with SQL (advanced query writing, optimisation, performance tuning). Strong Python skills for data transformation, automation, and pipeline development. Experience with ETL/ELT tools (e.g., dbt, Matillion, Talend, or similar). Exposure to cloud platforms (AWS preferred, Azure/GCP also considered). Familiarity with More ❯

SQL. Write efficient SQL queries and stored procedures for data processing and reporting. Automate ingestion of structured and semi-structured data sources. Optimize data models and pipelines for scalability, performance, and cost efficiency. Collaborate with analysts and business stakeholders to deliver reliable datasets. Implement best practices in data quality, governance, and secu rity . Experience: 2-3 years' experience … as a Data Engineer, with strong hands-on Snowflake expertise. Proven experience with SQL (advanced query writing, optimisation, performance tuning). Strong Python skills for data transformation, automation, and pipeline development. Experience with ETL/ELT tools (e.g., dbt, Matillion, Talend, or similar). Exposure to cloud platforms (AWS preferred, Azure/GCP also considered). Familiarity with More ❯

ll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support … looking for: Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performance tuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker More ❯

Senior Azure/.NET Infrastructure Engineer Drive Performance at Scale | Shape the Future of Cloud Engineering ?? Up to £100,000 + Elite Benefits Package ?? Remote-First | Work from Anywhere in the UK | Flexible Hours ?? Build the Backbone of High-Performance Platforms Are you a cloud infrastructure expert ready to take on a career-defining challenge? Do you thrive … in fast-paced environments where your decisions directly impact scalability, security, and performance? Join a cutting-edge engineering team that's powering the future of cloud-native platforms. As a Senior Azure/.NET Infrastructure Engineer , you'll be at the heart of a mission-critical transformation-designing, optimizing, and scaling infrastructure that supports millions of users and drives … Code (IaC) tools like ARM, Bicep, or Terraform. ?? Optimize .NET application stacks for speed, reliability, and scalability. ?? Implement observability and monitoring solutions to ensure system health and performance. ?? Conduct performance reviews and troubleshooting across production environments. ?? Drive automation, growth planning, and continuous improvement across the platform. ?? What You Bring to the Table ? 5+ years of hands-on experience with More ❯

Senior Azure/.NET Infrastructure Engineer Drive Performance at Scale | Shape the Future of Cloud Engineering Up to £100,000 + Elite Benefits Package Remote-First | Work from Anywhere in the UK | Flexible Hours Build the Backbone of High-Performance Platforms Are you a cloud infrastructure expert ready to take on a career-defining challenge? Do you thrive … in fast-paced environments where your decisions directly impact scalability, security, and performance? Join a cutting-edge engineering team that's powering the future of cloud-native platforms. As a Senior Azure/.NET Infrastructure Engineer , you'll be at the heart of a mission-critical transformation-designing, optimizing, and scaling infrastructure that supports millions of users and drives … Code (IaC) tools like ARM, Bicep, or Terraform. Optimize .NET application stacks for speed, reliability, and scalability. Implement observability and monitoring solutions to ensure system health and performance. Conduct performance reviews and troubleshooting across production environments. Drive automation, growth planning, and continuous improvement across the platform. What You Bring to the Table 5+ years of hands-on experience with More ❯

clear boundaries between ingestion, retrieval, reasoning and delivery. Quality & reliability: Testing (unit/integration/evals), CI/CD, observability (tracing/metrics for LLM and retrieval paths), and performance tuning. Collaboration: Work closely with Product and ELT; mentor engineers; contribute to technical strategy and research. Innovation: Research and recommend new tools, frameworks, and approaches for full-stack and … NoSQL databases (e.g., Postgres, DynamoDB). Experience working with AI/ML models and APIs (LLMs, embeddings, vector search). Strong understanding of data engineering practices (ETL, schema design, performance tuning). Proficiency in cloud environments (AWS preferred) and containerised deployments (Docker, ECS). Strong grasp of secure coding practices and handling of sensitive data. Excellent communication, problem More ❯

a leading player in the OpenSource Database market. Our client are looking for experienced specialist PostgreSQL Database Administrators (DBA) to manage, optimize, and maintain PostgreSQL databases in a high-performance and mission-critical environment. You will work closely with teams across the organisation to ensure database availability, performance, security, and scalability. Your responsibility will be across the following … core areas: Installation . Backup and recovery Database maintenance Database monitoring Performance Tuning You will have strong knowledge in database tuning, backups, high availability, monitoring systems, and automation (especially with tools like Ansible ). Required Experience Bachelor's degree in computer science or a related field A minimum of 2-3 years of SpecialistPostgres DBA experience Containers More ❯

Manager-level Cloud Data Architect with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data architectures that enable advanced analytics … cloud-native environment. Proven expertise with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake – architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance, data security, and compliance in More ❯

Manager-level Cloud Data Architect with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data architectures that enable advanced analytics … cloud-native environment. Proven expertise with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake – architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance, data security, and compliance in More ❯

Manager-level Cloud Data Architect with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data architectures that enable advanced analytics … cloud-native environment. Proven expertise with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake – architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance, data security, and compliance in More ❯

Manager-level Cloud Data Architect with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data architectures that enable advanced analytics … cloud-native environment. Proven expertise with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake – architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance, data security, and compliance in More ❯

Manager-level Cloud Data Architect with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data architectures that enable advanced analytics … cloud-native environment. Proven expertise with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake – architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance, data security, and compliance in More ❯

Manager-level Cloud Data Architect with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data architectures that enable advanced analytics … cloud-native environment. Proven expertise with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake - architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance, data security, and compliance in More ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

RDBMS, graph databases) Ability to write quality, testable code and implement automated testing Experience with CI/CD techniques Background in consultancy or client-facing delivery environments Desirable Experience Performance tuning of data pipelines and queries Data visualisation and complex data transformation experience Understanding of data redaction and privacy implementations Participation in development or technology communities Benefits Competitive More ❯

development to continuous operation. A deep understanding of the critical aspects of service scalability and high availability as well as monitoring and maintaining deployed features and services ensuring optimal performance and reliability. Database management systems experience including replication, high availability, performance tuning, and complex query optimization. A background in frontend development. Strong knowledge of container orchestration using More ❯

Your new company Join a pioneering organisation at the forefront of AI and High Performance Computing (HPC) infrastructure. With a strong focus on innovation and ethical computing, this company is building scalable, GPU-optimised environments that support cutting-edge research and enterprise workloads. Your new role This is a fully remote, hands-on technical role where you'll lead … scale AI and HPC clusters. You'll architect end-to-end solutions across compute, storage, and networking - working closely with internal teams, OEMs, and external suppliers to deliver high-performance infrastructure. You'll be responsible for creating detailed technical designs, including hardware specifications, data centre layouts, cabling, and power/cooling requirements. You'll install and tune Linux-based … deploying, and scaling large HPC environments (hundreds to thousands of nodes). SLURM Scheduler Configuration: Deep understanding of SLURM partitions, priorities, and resource management. Networking: Strong knowledge of high-performance networking (Infiniband, RoCE, RDMA) and troubleshooting interconnectivity issues. Linux Systems: Advanced Linux administration skills, including performance tuning and OS-level troubleshooting. Storage Systems: Experience with parallel/ More ❯