Performance Tuning Jobs in the UK

26 to 50 of 321 Performance Tuning Jobs in the UK

Software Engineer - Hybrid working - £150,000 - £500,000 Base (+ Bonus)

London Area, United Kingdom
Hybrid/Remote Options
Hunter Bond
/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. … class technical team that pride themselves on working with the most cutting edge technologies and you will work and learn from the best. Responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading algorithms in collaboration More ❯
Posted:

SQL Developer / DBA

City of London, United Kingdom
Fincroft Group
great benefits package! Join a leading financial services team as a skilled SQL Server Developer/Database Administrator . You’ll design, develop, and optimise SQL Server databases, ensuring performance, reliability, and security. Requirements: 5+ years’ SQL Server development & admin (2016+) Strong T-SQL, performance tuning, SSIS/SSRS/Power BI Excellent problem-solving & communication skills More ❯
Employment Type: Permanent
Salary: £55000 - £65000/annum Strong Benefits Package
Posted:

SC Cleared Athena Data Analyst

South West London, London, England, United Kingdom
Sanderson
strong focus on Athena and S3-based data lakes. Key responsibilities: Develop and maintain SQL queries in AWS Athena for large-scale datasets Optimise data retrieval and ensure efficient performance across AWS environments Collaborate with stakeholders to translate business requirements into actionable insights Work with AWS services such as Glue, Lambda, and S3 for ETL and data processing Ensure … data security and governance standards Essential skills: Strong proficiency in SQL and AWS Athena Hands-on experience with AWS data services (Glue, S3, Lambda) Knowledge of data modelling and performance tuning Excellent analytical and problem-solving skills Ability to work within secure government environments Desirable: Experience with Python for data manipulation Familiarity with BI tools and reporting frameworks More ❯
Employment Type: Contractor
Rate: £500 per day
Posted:

Senior Rust Software Engineer

Guildford, Surrey, England, United Kingdom
Hybrid/Remote Options
Jonothan Bosworth
Type: Permanent About the Role: Our employer-partner is seeking a Senior Software Engineer with deep experience in Rust and/or C++ to design and build high-performance, distributed, and mission-critical systems. You will play a key role in shaping next-generation telecom and real-time communication platforms used in high-availability environments. Key Responsibilities: Architect scalable … systems-level components using Rust, C++, C, or Java . Design and implement APIs and real-time communication protocols (SIP, VoIP, 5G, RTC). Improve platform reliability, stability, and performance (99.99%+ uptime environments). Lead performance tuning, fault-tolerance engineering, and high-availability architecture reviews. Implement CI/CD workflows, containerisation, and systems monitoring (Docker, Kubernetes … SIP, real-time protocols, or distributed systems. Experience with Linux/Unix , Docker , Kubernetes , and CI/CD pipelines. Proven ability to design scalable back-end services and high-performance applications. Exposure to 5G, edge computing, or real-time data transmission is a strong plus. Why Apply? Work on mission-critical, high-availability systems at scale. Join a forward More ❯
Employment Type: Full-Time
Salary: £60,000 - £70,000 per annum
Posted:

Storage SME

Sheffield, Yorkshire, United Kingdom
Hybrid/Remote Options
Experis IT
guidance for storage architecture and operations within the OpenShift infrastructure migration project. This role will ensure that storage solutions are designed, implemented, and optimized to meet the bank's performance, scalability, and compliance requirements across multi-cloud, hybrid, or on-prem environments. Key Responsibilities: . Technical Leadership: o Define storage architecture strategy for OpenShift clusters and workloads. o Advise … on best practices for storage provisioning, performance tuning, and capacity planning. o Serve as the go-to expert for storage-related issues and escalations. . Design & Integration: o Collaborate with Infrastructure Engineers and OpenShift Architects to integrate storage solutions with compute and networking layers. o Ensure compatibility with containerized workloads and persistent storage requirements. . Performance & Optimization … o Conduct performance assessments and recommend improvements. o Implement high availability, redundancy, and disaster recovery strategies. . Compliance & Security: o Ensure storage configurations align with the bank's security and regulatory standards. o Implement encryption, access controls, and data protection measures. . Governance & Documentation: o Maintain detailed documentation of storage architecture, policies, and operational procedures. o Support audits and More ❯
Employment Type: Contract
Rate: GBP 450 - 500 Daily
Posted:

BI Developer

Bury St Edmunds, Suffolk, United Kingdom
Hybrid/Remote Options
Tec Partners
contributions, and generous holiday and family-friendly benefits. Skills & Requirements Essential: Strong experience with SSRS, SSIS, SSAS, and Power BI Advanced SQL Server capabilities: T-SQL, stored procedures, and performance tuning Experience designing and building data warehouses and star schemas Strong ETL experience using SQL Server SSIS Proficiency with Power BI, including DAX and Power Query Experience with More ❯
Employment Type: Permanent
Posted:

Senior Java Engineer (Kubernetes, Kafka, Docker) - Hybrid

London, United Kingdom
Hybrid/Remote Options
Salt
using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing More ❯
Employment Type: Contract
Rate: £550 - £750 per day
Posted:

Senior Java Engineer Kubernetes, Kafka, Docker - Hybrid

London, South East, England, United Kingdom
Hybrid/Remote Options
Salt Search
using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing More ❯
Employment Type: Contractor
Rate: £550 - £750 per day
Posted:

Senior Power BI developer with DAX, PowerQuery, SQL, Snowflake Specialist II - Software Engineering

London, UK
UST
reporting solutions, scalable semantic models, and end-to-end data workflows to support business and operational reporting. The ideal candidate will collaborate closely with stakeholders to build reliable, high-performance dashboards and data models aligned with strategic reporting needs. Key Responsibilities Design, develop, and optimize Power BI semantic models for large datasets (4–5 GB and above). Build … advanced DAX calculations using best practices for performance and maintainability. Perform data transformation using Power Query (M language). Integrate data from Snowflake, SQL Server, SharePoint, and other enterprise sources. Use Tabular Editor and DAX Studio for model optimization, versioning, and troubleshooting. Implement data model and report performance tuning techniques. Develop clean wireframes and intuitive dashboard layouts … with Power BI Desktop and Power BI Service. Advanced proficiency in: DAX M (Power Query) SQL Strong experience integrating and modelling data from Snowflake. Expertise in building scalable, high-performance semantic models. Proficiency with Tabular Editor and DAX Studio. Understanding of Power BI's calculation engine and performance optimization methods. Experience in large-scale distributed reporting environments. Strong More ❯
Employment Type: Full-time
Posted:

Senior Power BI developer with DAX, PowerQuery, SQL, Snowflake Specialist II - Software Engineering

Slough, Berkshire, UK
UST
reporting solutions, scalable semantic models, and end-to-end data workflows to support business and operational reporting. The ideal candidate will collaborate closely with stakeholders to build reliable, high-performance dashboards and data models aligned with strategic reporting needs. Key Responsibilities Design, develop, and optimize Power BI semantic models for large datasets (4–5 GB and above). Build … advanced DAX calculations using best practices for performance and maintainability. Perform data transformation using Power Query (M language). Integrate data from Snowflake, SQL Server, SharePoint, and other enterprise sources. Use Tabular Editor and DAX Studio for model optimization, versioning, and troubleshooting. Implement data model and report performance tuning techniques. Develop clean wireframes and intuitive dashboard layouts … with Power BI Desktop and Power BI Service. Advanced proficiency in: DAX M (Power Query) SQL Strong experience integrating and modelling data from Snowflake. Expertise in building scalable, high-performance semantic models. Proficiency with Tabular Editor and DAX Studio. Understanding of Power BI's calculation engine and performance optimization methods. Experience in large-scale distributed reporting environments. Strong More ❯
Employment Type: Full-time
Posted:

DevOps Engineer

Crewe, Cheshire, England, United Kingdom
Radius
deployment automation Infrastructure provisioning and scaling using IaC Application configuration and optimisation Migrate applications to high-availability (HA) configurations Database deployment and management Load testing and capacity planning Application performance monitoring Incident investigation and resolution Essential skills: Familiarity with building and deploying C#/.NET applications Familiarity with NuGet package management in CI/CD workflows Proven experience in …/AWS ApiGateway Experience with Azure Devops Experience with CDN’s such as CloudFront Experience with SSL certificate management, config hardening, and domain setup Experience with load testing and performance tuning Familiarity with building mobile applications using pipelines and remote mac builder servers Additional Information Your impact on Radius will be rewarded with the opportunity to develop and More ❯
Employment Type: Full-Time
Salary: £0 per annum
Posted:

Senior Data Engineer

United Kingdom
ARM
Collaborate with data architects and security teams to ensure compliance with security policies and data governance standards. Manage and monitor large-scale data flows in real-time, ensuring system performance, reliability, and data integrity. Develop robust data models to support analytics and reporting within secure environments. Perform troubleshooting, debugging, and performance tuning of data pipelines and the More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Database Administrator

Bournemouth, Dorset, South West, United Kingdom
Hays
leading the design, optimisation, and scaling of the cloud-based data platform. You'll be responsible for both transactional and analytical workloads across Cloud SQL (MySQL) and BigQuery, ensuring performance, reliability, security, and cost-efficiency. This is a hands-on role where you'll manage high availability setups, performance tuning, disaster recovery planning, automation, and observability. You More ❯
Employment Type: Permanent
Salary: £75,000
Posted:

Confluent Kafka SME

Manchester, United Kingdom
Hybrid/Remote Options
Experis
and maintain streaming solutions for real-time data processing. Ensure compliance with banking security and regulatory standards. Collaborate with cross-functional teams to integrate Kafka into enterprise systems. Provide performance tuning, troubleshooting, and best practices guidance. Required Skills & Experience: Strong expertise in Apache Kafka and Confluent ecosystem (Connect, Schema Registry, KSQL, etc.). Hands-on experience with Kafka More ❯
Employment Type: Contract
Posted:

Data Engineer

Warrington, Cheshire, England, United Kingdom
Hybrid/Remote Options
Brookson
promoting a self-serve analytical culture. What are the qualities that can help you thrive as a Data Engineer? Essential Experience and Qualifications: Strong SQL skills - Tables, Stored Procedures, performance tuning etc. Experience with Azure ETL tools - Azure data Factory/Synapse Strong experience in Data movement methodologies and standards, ELT & ETL. A self-motivated, enthusiastic problem solver More ❯
Employment Type: Full-Time
Salary: £34,000 - £38,000 per annum
Posted:

Azure Data Engiener

London, United Kingdom
Tenth Revolution Group
modelling. Integrate data from multiple sources, ensuring accuracy, consistency, and performance. Collaborate with stakeholders to understand requirements and deliver actionable insights. Apply best practices for data governance , security, and performance tuning. Required Skills Proven experience as an Azure Data Engineer in enterprise environments. Strong hands-on expertise with Azure Data Factory , Databricks , Synapse , and Azure Data Lake . Proficiency More ❯
Employment Type: Contract
Rate: £400 - £450/day
Posted:

Azure Data Engiener

London, South East, England, United Kingdom
Tenth Revolution Group
modelling. Integrate data from multiple sources, ensuring accuracy, consistency, and performance. Collaborate with stakeholders to understand requirements and deliver actionable insights. Apply best practices for data governance , security, and performance tuning. Required Skills Proven experience as an Azure Data Engineer in enterprise environments. Strong hands-on expertise with Azure Data Factory , Databricks , Synapse , and Azure Data Lake . Proficiency More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

Senior Java Engineer - Trading

London, South East, England, United Kingdom
Robert Walters
daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps and exotic portfolios, with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior … developers and promote technical excellence within the team Analyse and resolve performance, scalability, and concurrency issues Contribute to Agile/Scrum processes, including sprint planning and retrospectives Maintain clear and comprehensive technical documentation Key Requirements: Strong expertise in Core Java, including multi-threading and concurrency demonstrating self-sufficiency Proven experience in low-latency systems, performance tuning, and … network programming Familiarity with high-performance messaging systems Proficiency with profiling, benchmarking, and memory analysis tools Working knowledge of Linux/Bash scripting and at least one other language (e.g. Python or C#) Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates More ❯
Employment Type: Full-Time
Salary: £100,000 - £130,000 per annum
Posted:

Senior Java Engineer VP - Trading

London, South East, England, United Kingdom
Robert Walters
daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps and exotic portfolios, with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior … developers and promote technical excellence within the team Analyse and resolve performance, scalability, and concurrency issues Contribute to Agile/Scrum processes, including sprint planning and retrospectives Maintain clear and comprehensive technical documentation Key Requirements: Strong expertise in Core Java, including multi-threading and concurrency demonstrating self-sufficiency Proven experience in low-latency systems, performance tuning, and … network programming Familiarity with high-performance messaging systems Proficiency with profiling, benchmarking, and memory analysis tools Working knowledge of Linux/Bash scripting and at least one other language (e.g. Python or C#) Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates More ❯
Employment Type: Full-Time
Salary: £100,000 - £140,000 per annum
Posted:

Senior Infrastructure Support Engineer

United Kingdom
Hybrid/Remote Options
Nscale
About Nscale Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and … how physical resources are abstracted up the stack to K8s. GPU platforms (NVIDIA and AMD). Practical experience with GPU drivers and GPU logs investigation tools, e.g. nvidia-smi. Performance diagnostics using NCCL on large scale clusters. Observability and incident response. Build and use alerting stacks and dashboards, interpret metrics and alerts, and drive runbooks to resolution; contribute to … SLOs and post‐incident reviews. Strong Networking fundamentals. Solid grasp of L2/L3, routing, BGP, VLANs, VXLAN, firewalls, load balancing. Understanding of high‐performance fabrics (RDMA/NVLink basics) for cluster‐to‐cluster traffic. SRE‐style operations. Write and maintain runbooks, automate diagnostics, and reduce human intervention using scripts or small tools. Automation and Git. Scripting or software More ❯
Posted:

Storage Engineer CGEMJP

City, Sheffield, United Kingdom
Hybrid/Remote Options
Experis
This role focuses on designing, installing, and configuring enterprise-grade storage solutions that underpin OpenShift clusters across multi-cloud, hybrid, or on-prem environments. The engineer will ensure storage performance, scalability, and compliance with the bank's security and operational standards. Key Skills/requirements Storage Design & Implementation: Design storage architecture to support OpenShift clusters and workloads. Install and … configure storage systems (SAN, NAS, or cloud-based storage). Integrate storage with underlying infrastructure (VMs, networking, compute). Performance & Optimization: Ensure high availability, redundancy, and disaster recovery capabilities. Optimize storage performance for containerized workloads. Implement monitoring and alerting for storage health and capacity. Compliance & Security: Align storage configurations with the bank's security and regulatory requirements. Implement … . Strong knowledge of storage protocols (iSCSI, NFS, Fibre Channel). Familiarity with OpenShift, Kubernetes, and containerized environments. Understanding of backup, replication, and disaster recovery strategies. Excellent troubleshooting and performance tuning skills. Certifications in storage technologies or cloud platforms (AWS, Azure) preferred. All profiles will be reviewed against the required skills and experience. Due to the high number More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Storage Engineer CGEMJP00322595

Sheffield, South Yorkshire, United Kingdom
Hybrid/Remote Options
Experis
This role focuses on designing, installing, and configuring enterprise-grade storage solutions that underpin OpenShift clusters across multi-cloud, hybrid, or on-prem environments. The engineer will ensure storage performance, scalability, and compliance with the bank's security and operational standards. Key Skills/requirements Storage Design & Implementation: Design storage architecture to support OpenShift clusters and workloads. Install and … configure storage systems (SAN, NAS, or cloud-based storage). Integrate storage with underlying infrastructure (VMs, networking, compute). Performance & Optimization: Ensure high availability, redundancy, and disaster recovery capabilities. Optimize storage performance for containerized workloads. Implement monitoring and alerting for storage health and capacity. Compliance & Security: Align storage configurations with the bank's security and regulatory requirements. Implement … . Strong knowledge of storage protocols (iSCSI, NFS, Fibre Channel). Familiarity with OpenShift, Kubernetes, and containerized environments. Understanding of backup, replication, and disaster recovery strategies. Excellent troubleshooting and performance tuning skills. Certifications in storage technologies or cloud platforms (AWS, Azure) preferred. All profiles will be reviewed against the required skills and experience. Due to the high number More ❯
Employment Type: Contract
Posted:

Power BI / Microsoft Fabric Consultant

London, South East, England, United Kingdom
Hybrid/Remote Options
recruitment22
and business analysts to ensure seamless integration and data quality Support presales activities including solution design, effort estimation, and client presentations Establish and promote best practices in data governance, performance tuning, and DevOps for BI Required Skills & Expertise: Proven experience delivering enterprise-grade Power BI solutions Implement robust data transformation and validation processes to ensure accuracy and alignment … with business definitions Collaborate with business analysts, data modellers, and reporting teams to ensure the curated data supports deeper insights into corporate performance Optimise data pipelines for scalability, reliability, and maintainability using best practices (e.g., modular ETL design, version control, CI/CD) Strong understanding of Microsoft Fabric architecture and components Expertise in Microsoft Fabric Data Engineering Fabric Dataflows More ❯
Employment Type: Full-Time
Salary: £70,000 per annum
Posted:

Integration Developer

Seaton Delaval, United Kingdom
Northumbria Healthcare NHS Foundation Trust
electronics schemes. Main duties of the job Interface Development & Maintenance : Design, develop, test (unit, integration, regression), and optimise HL7, FHIR, XML and REST/SOAP/MLLP interfaces; implement performance tuning and troubleshooting of integration flows. Mapping & Data Standards : Create and maintain mapping tables in collaboration with the Data Platform team to ensure adherence to data standards. Architecture … the definition of integration architecture; produce detailed technical designs, SOPs, and post-mortems for unplanned downtime; update documentation to minimise recurrence. Operational Support & Monitoring : Monitor day-to-day interface performance; provide on-call support and coordinate with the Digital Service Desk for planned or unplanned changes. Stakeholder Engagement : Liaise with clinical users, suppliers, and technical teams to gather requirements More ❯
Employment Type: Permanent
Salary: £38682.00 - £46580.00 a year
Posted:

ServiceNow Architect

Berkshire, South East, United Kingdom
IBU CONSULTING LTD
current-state processes, define future-state vision, uncover requirements, constraints, and opportunities. Design end-to-end ServiceNow solutions and technical architectures that align with organizations strategic goals, considering scalability, performance, security, maintainability, integrations, data model, and user experience. Define roadmap(s) and solution intent/blueprints: translate business goals into architecture, technology decisions, module usage, platform configuration vs custom … owners to define platform strategy: instance strategy, environment strategy, upgrade/migration plans. Support presales/proposal efforts by scoping, estimating, and designing reference architectures. Participate in operational considerations: performance tuning, capacity planning, availability, disaster recovery, security compliance. Stay up to date with new ServiceNow features, modules, trends (e.g., AI/ML, data fabric, Now Assist), assess applicability … of IT best practices and frameworks : ITIL, Agile methodologies, DevOps, CI/CD practices. Strong problem-solving, analytical skills; ability to resolve technical trade-offs (e.g., custom vs. configuration, performance vs. maintainability). Excellent communication skills: ability to explain technical designs to business stakeholders, leadership, peers; also effective writing of architectural documentation. Certifications: ServiceNow Certified System Administrator (CSA) is More ❯
Employment Type: Contract
Posted:
Performance Tuning
10th Percentile
£46,250
25th Percentile
£56,250
Median
£75,000
75th Percentile
£103,750
90th Percentile
£126,250