Performance Tuning Jobs in the UK

26 to 50 of 247 Performance Tuning Jobs in the UK

Data Engineer - Snowflake ,DBT

london (city of london), south east england, united kingdom
Capgemini
SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯
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Java Developer

Guildford, Surrey, England, United Kingdom
Jonothan Bosworth
operations. What you’ll do Design & build: Develop and maintain backend services and microservices using Java. Collaborate broadly: Work with cross-functional teams to deliver scalable telecom solutions. Optimise performance: Integrate databases, APIs, and ensure efficiency across systems. Harden systems: Implement redundancy, security, and performance tuning for telecom operations. Problem-solve: Troubleshoot challenges in distributed systems and … architectures. Background in distributed systems, OOP, and networking fundamentals. Cloud environment experience (AWS, GCP, etc.), plus Docker/Kubernetes and CI/CD. Proven track record optimising apps for performance, memory, and scalability. SQL/NoSQL database experience, including deployment and integration. Knowledge of messaging systems (Kafka, RabbitMQ, Pub/Sub). Excellent communication and analytical skills. Nice to More ❯
Employment Type: Full-Time
Salary: £40,000 - £55,000 per annum
Posted:

Database Administration Manager

Burslem, Staffordshire, United Kingdom
Hybrid / WFH Options
Synectics Solutions Ltd
services while driving innovation through automation and continuous improvement. What You'll Do Leadership & Team Management Lead, coach, and develop a high performing Database Administration team. Set clear priorities, performance metrics, and ensure on time, on budget delivery. Foster a culture of innovation, collaboration, and technical excellence. Database Strategy & Operations Oversee cloud native and hybrid database systems to meet … business goals. Direct cloud migration and optimisation strategies, ensuring efficiency and scalability. Manage licensing costs and database system budgets effectively. Performance, Security & Resilience Guarantee database availability, integrity, and compliance with internal and external standards Maintain robust backup, recovery, and disaster recovery plans. Ensure adherence to ISO27001 and internal governance frameworks. Automation & Infrastructure as Code Drive automation and CI/… multi discipline teams. Strong leadership, mentoring, and stakeholder management skills. Strategic thinker with a passion for innovation, automation, and data integrity. Expertise in relational and non relational databases, including performance tuning and optimisation. Solid understanding of database security, modelling, and recovery practices. Excellent problem solving and communication skills. Technical Environment Experience with some of the following would be More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

SSIS Developer

London, United Kingdom
Experis
deploy ETL packages using SSIS to extract, transform, and load data from multiple sources into data warehouses, data marts, or operational systems. Optimize and troubleshoot existing SSIS packages for performance, scalability, and reliability. Develop and maintain SQL queries, stored procedures, functions, and views to support ETL and reporting processes. Implement error handling, logging, and auditing within SSIS packages. Schedule … data flows, and technical designs. Required Qualifications Proven hands-on experience with Microsoft SQL Server Integration Services (SSIS) . Strong knowledge of T-SQL (queries, stored procedures, functions, indexing, performance tuning). Experience working with relational databases (SQL Server, Oracle, etc.) and flat file/CSV/XML/JSON data sources. Strong understanding of ETL design patterns More ❯
Employment Type: Contract
Rate: £430 - £450/day
Posted:

Senior Site Reliability Engineer

London, United Kingdom
Hybrid / WFH Options
Stratospherec Ltd
platform is an essential platform in the life of millions of University students across the globe. In this role, you will apply your Software Engineering experience to enhance system performance and reliability, as well as building internal systems and capabilities that eliminate manual work through automation. You'll be joining our Platforms teams with globally-dispersed Site Reliability and … maintain monitoring/alerting/logging systems to identify and respond to incidents Ensure scalability and efficiency of cloud infrastructure and systems to handle traffic and data growth Conduct performance tests to identify and remediate bottlenecks Develop and maintain platform solutions, automate infrastructure provisioning, configuration, and management tasks using Infrastructure as Code. Monitor, review and tune databases to ensure … high availability and performance Collaborate with product engineering teams to design/build fit-for-purpose and observable software Required Skills and Experience: Proven experience in a SRE/DevOps/Platform Engineering role and having previously worked with.Net, Azure and C# technologies. Proficiency in C# language – alongside knowledge of scripting languages like Bash, Python or PowerShell Production experience More ❯
Employment Type: Permanent
Salary: £80000 - £85000/annum Excellent Benefits package
Posted:

Power Platform Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Infoplus Technologies UK Limited
automate business processes. • Integrate Power Apps with various data sources using standard and premium connectors and develop custom connectors if necessary • Implement security measures for Power platform solutions • Perform performance tuning and optimization of Power Platform solutions • Participate in the deployment of Power Platform solutions to higher environments (QA, UAT, Production) • Implement and enhance robust ALM process for More ❯
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Functional Consultant - Power BI

London, England, United Kingdom
insightsoftware
solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills Strong More ❯
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Functional Consultant - Power BI

london, south east england, united kingdom
insightsoftware
solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills Strong More ❯
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Functional Consultant - Power BI

slough, south east england, united kingdom
insightsoftware
solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills Strong More ❯
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Senior Software Engineer - Data Platform Emulators

United Kingdom
Hybrid / WFH Options
LocalStack GmbH
robust CI/CD pipelines, regression test coverage, and integration test suites for high-fidelity emulation. Provide a fast and intuitive local development loop with meaningful error messages, good performance, and easy configuration. Improve emulator usability in CLI tools, SDKs, and client integrations (e.g., JDBC, SnowSQL, 3rd part integrations). Design and implement support for additional data platform features … Athena, or BigQuery, including optimization techniques and custom parsers/transpilers. Practical knowledge of distributed and analytical engines (e.g., Apache Spark, Trino, PostgreSQL, DuckDB) with skills in query engines, performance tuning, and integration in local and production environments. Experience building developer tooling such as CLI tools, SDKs, and database drivers (JDBC/ODBC) or related integrations. Proficiency in … Go is (nice to have.) Experience contributing to open source or working with communities to gather feedback, triage issues, and guide contributors. (Nice to have) Fully remote Competitive salary Performance bonus Competitive share options Annual company retreat Learning budget Why Join LocalStack? At LocalStack, we are at the forefront of shaping cloud DevX and redefining how developers interact with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

Reading, Berkshire, South East, United Kingdom
Hybrid / WFH Options
Cegeka UK Limited
and optimise performance. Collaborate with senior engineers to implement new features and fix bugs. Participate in code reviews and contribute to improving coding standards. Assist in troubleshooting, debugging, and performance tuning of applications. Document technical designs, processes, and solutions. Stay up to date with emerging tools, technologies, and best practices. Requirements: Degree in Computer Science, Software Engineering, or More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Software Engineer

london, south east england, united kingdom
Frontiers
work across the stack, developing and maintaining features using .NET, , 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 Enhance and support existing solutions built with older versions of .NET and Troubleshoot and optimize database performance, including query optimization, indexing strategies, and … 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 ❯
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Snowflake Engineer

City of London, London, United Kingdom
Kubrick Group
patterns, and contribution to Kubrick’s internal knowledge base Line-manage and mentor developers within the team, supporting their professional growth and certifications (including SnowPro) Troubleshoot and tune query performance, storage usage, and cost efficiency across Snowflake accounts Act as a subject matter expert during consulting engagements, providing advice on best practices for data sharing, and integration with other … engineering or analytics, including designing and delivering enterprise grade data solutions Strong hands-on experience with Snowflake (or comparable cloud data warehouses like BigQuery, RedShift, Synapse) including data modelling, performance tuning and cost management Familiarity with SQL best practices, ELT patterns, and modern data transformation frameworks such as dbt Competence in at least one programming language (Python preferred More ❯
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Snowflake Engineer

London Area, United Kingdom
Kubrick Group
patterns, and contribution to Kubrick’s internal knowledge base Line-manage and mentor developers within the team, supporting their professional growth and certifications (including SnowPro) Troubleshoot and tune query performance, storage usage, and cost efficiency across Snowflake accounts Act as a subject matter expert during consulting engagements, providing advice on best practices for data sharing, and integration with other … engineering or analytics, including designing and delivering enterprise grade data solutions Strong hands-on experience with Snowflake (or comparable cloud data warehouses like BigQuery, RedShift, Synapse) including data modelling, performance tuning and cost management Familiarity with SQL best practices, ELT patterns, and modern data transformation frameworks such as dbt Competence in at least one programming language (Python preferred More ❯
Posted:

Snowflake Engineer

london, south east england, united kingdom
Kubrick Group
patterns, and contribution to Kubrick’s internal knowledge base Line-manage and mentor developers within the team, supporting their professional growth and certifications (including SnowPro) Troubleshoot and tune query performance, storage usage, and cost efficiency across Snowflake accounts Act as a subject matter expert during consulting engagements, providing advice on best practices for data sharing, and integration with other … engineering or analytics, including designing and delivering enterprise grade data solutions Strong hands-on experience with Snowflake (or comparable cloud data warehouses like BigQuery, RedShift, Synapse) including data modelling, performance tuning and cost management Familiarity with SQL best practices, ELT patterns, and modern data transformation frameworks such as dbt Competence in at least one programming language (Python preferred More ❯
Posted:

Snowflake Engineer

london (city of london), south east england, united kingdom
Kubrick Group
patterns, and contribution to Kubrick’s internal knowledge base Line-manage and mentor developers within the team, supporting their professional growth and certifications (including SnowPro) Troubleshoot and tune query performance, storage usage, and cost efficiency across Snowflake accounts Act as a subject matter expert during consulting engagements, providing advice on best practices for data sharing, and integration with other … engineering or analytics, including designing and delivering enterprise grade data solutions Strong hands-on experience with Snowflake (or comparable cloud data warehouses like BigQuery, RedShift, Synapse) including data modelling, performance tuning and cost management Familiarity with SQL best practices, ELT patterns, and modern data transformation frameworks such as dbt Competence in at least one programming language (Python preferred More ❯
Posted:

Snowflake Engineer

slough, south east england, united kingdom
Kubrick Group
patterns, and contribution to Kubrick’s internal knowledge base Line-manage and mentor developers within the team, supporting their professional growth and certifications (including SnowPro) Troubleshoot and tune query performance, storage usage, and cost efficiency across Snowflake accounts Act as a subject matter expert during consulting engagements, providing advice on best practices for data sharing, and integration with other … engineering or analytics, including designing and delivering enterprise grade data solutions Strong hands-on experience with Snowflake (or comparable cloud data warehouses like BigQuery, RedShift, Synapse) including data modelling, performance tuning and cost management Familiarity with SQL best practices, ELT patterns, and modern data transformation frameworks such as dbt Competence in at least one programming language (Python preferred More ❯
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Data Engineer

Armagh, County Armagh, Northern Ireland, United Kingdom
Hays
track record in designing and deploying production-grade ETL/ELT pipelines. Experience supporting and integrating operational systems (TMS/WMS/FMS). Solid understanding of data modelling, performance tuning, and infrastructure as code. Desirable Skills & Certifications AWS or Microsoft certifications (e.g., Data Analytics Speciality, DP-203, PL-300). Experience with Azure Data Factory, Kafka/ More ❯
Employment Type: Permanent
Posted:

Service Operations Engineer

WS11, Great Wyrley, Staffordshire, United Kingdom
Hybrid / WFH Options
Veolia
technology experience with pragmatic application; Azure cloud & Entra ID expertise; Ability to translate complex technical issues; Experience designing fault-tolerant, auto-scaling, financially-efficient systems; High-volume transactional systems, performance tuning, and full life cycle design/management of mission-critical distributed processing systems; CI/CD pipeline creation and support; SQL and NoSQL database experience (SQL Server More ❯
Employment Type: Permanent
Posted:

OpenText Identity Governance (NetIQ) Consultant

United Kingdom
Parker Shaw
on IAM best practices. Deliver technical documentation including design specs, configuration guides, and user manuals. Support & Optimization: Troubleshoot and resolve complex IAM issues. Perform system health checks, upgrades, and performance tuning. Mentor junior consultants and support knowledge transfer to client teams. Required Skills & Experience: 8+ years in IAM, with at least 5 years hands-on with OpenText NetIQ products. More ❯
Employment Type: Contract
Rate: GBP Daily
Posted:

Senior AWS Support Engineer

Westbrook, Warrington, Cheshire, England, United Kingdom
Inspired Search Ltd
skills. Preferred Skills Experience with containerization (Docker, ECS, EKS). Familiarity with CI/CD pipelines and DevOps tools (Jenkins, GitHub Actions). Knowledge of AWS cost optimization and performance tuning. Exposure to multi-cloud or hybrid cloud environments. Scripting skills (Python, Bash, PowerShell). Experience mentoring junior engineers and leading technical projects. Understanding of cloud computing models and More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Network Engineer

london, south east england, united kingdom
G-Research
innovation across the firm. Take the next step in your career. The role We're looking for an experienced Network Engineer who's passionate about building and maintaining high-performance, scalable and resilient network infrastructure. You'll be part of a team that designs, automates and supports a global environment, which underpins cutting-edge research and technology operations and … exposure to MPLS and Segment Routing considered a plus Championing network security, implementing best practices and managing security solutions across the stack Monitoring and proactively managing the health and performance of our global network using modern telemetry and observability tools Contributing to the evolution of our Infrastructure-as-Code and CI/CD practices for network provisioning and deployment … with the Network Operations team to ensure seamless delivery and continuous improvement If you're motivated by solving complex problems, automating at scale, and working in a collaborative, high-performance environment, we'd love to hear from you. Who are we looking for? You'll thrive in this role if you bring a mix of deep technical expertise, problem More ❯
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Senior DevOps Engineer (AWS) VoD/AVoD/Streaming ideally

Nationwide, United Kingdom
Hybrid / WFH Options
PCR Digital
initially 3 months but ongoing Senior DevOps Engineer with expertise in AWS platform engineering for high-throughput, low-latency systems. Hands-on expertise in Akka/Java microservices, JVM tuning, and asynchronous, event-driven architectures. If you are suitable and passionate about scaling distributed systems and optimizing cloud performance, then this could be for you. Apply today and … ownership of AWS infrastructure and automation that powers our low-latency, ad-serving Java microservices. We're looking for a hands-on engineer who thrives in large-scale, high-performance environments - someone who can design, automate, and optimize systems to achieve <50ms latency, 5M+ concurrent users, and 99.99% uptime. What You'll Do Design and deploy end-to-end … and rollback strategies. Implement observability: metrics, logs, traces, SLOs/SLIs, alerting, and on-call runbooks. Engineer for scale and reliability - autoscaling, caching, multi-AZ/region DR, and performance tuning to meet 5M+ user load. Apply security-by-design using IAM least privilege, KMS, Secrets Manager, WAF/Shield, and CIS compliance. Collaborate with developers and performance More ❯
Employment Type: Contract
Rate: £500 - £650/day Market rate IR35 TBC
Posted:

Technology Architect-Power BI, PL/SQL, Data Modelling-UK

England, United Kingdom
Infosys Limited
and analytics solutions that drive data driven decision making across the organization. You will be responsible for architecting scalable reporting frameworks, integrating data from diverse sources, and ensuring high performance, usability, and governance of reporting platforms. You will anchor engagements from requirement analysis and data modelling to dashboard design and deployment. Your expertise will guide teams in selecting appropriate … As a senior architect, you will collaborate with business stakeholders, data engineers, and developers to translate business needs into technical solutions. You will also play a key role in performance tuning, security design, and ensuring compliance with data standards and policies. You will contribute to architecture reviews, mentor junior team members, and lead capability building initiatives in reporting … the enterprise with an AI powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem. "All aspects of employment More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Azure/ .NET Infrastructure Engineer

Hampshire, England, United Kingdom
Hybrid / WFH Options
Computer Futures
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 ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:
Performance Tuning
10th Percentile
£46,250
25th Percentile
£53,594
Median
£70,000
75th Percentile
£95,000
90th Percentile
£126,250