26 to 50 of 234 Performance Tuning Jobs in England

SQL Database Administrator

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 550 per day
proactive DBA to manage, assess and future-proof their database environment. Key Skills required from the SQL DBA: Microsoft SQL Server administration (multiple versions) Performance tuning, indexing, query optimisation and troubleshooting Database version upgrades and consolidation projects Backup, recovery and high availability strategies Working within complex or legacy … Ownership of database strategy and continuous improvement Key responsibilities of the SQL DBA: Full ownership and management of all SQL databases across the organisation Performance tuning and optimisation across the entire database estate Conducting a full discovery of existing databases, configurations and dependencies Identifying risks, inconsistencies and improvement ...

SQL Database Administrator

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
proactive DBA to manage, assess and future-proof their database environment. Key Skills required from the SQL DBA: Microsoft SQL Server administration (multiple versions) Performance tuning, indexing, query optimisation and troubleshooting Database version upgrades and consolidation projects Backup, recovery and high availability strategies Working within complex or legacy … Ownership of database strategy and continuous improvement Key responsibilities of the SQL DBA: Full ownership and management of all SQL databases across the organisation Performance tuning and optimisation across the entire database estate Conducting a full discovery of existing databases, configurations and dependencies Identifying risks, inconsistencies and improvement ...

Junior Infrastructure Cloud & Security Engineer

Hiring Organisation
Ruby Energy
Location
Old Trafford, Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£27,000 per annum
doing · Supporting on-premises and hybrid infrastructure (servers, storage, networking, virtualisation) under supervision. · Helping monitor systems, apply patches, and carry out basic performance tuning to keep services stable and available. · Assisting with upgrades, migrations, and deployments as part of infrastructure projects. · Supporting backup, disaster recovery, and business continuity … activities. · Assisting with administration of cloud services such as Azure or AWS (VMs, storage, networking). · Helping with cloud migrations, configuration changes, performance tuning, and cost monitoring. · Supporting the implementation of cloud security controls and compliance requirements. · Helping monitor security tools for threats and vulnerabilities, and maintaining endpoint ...

Cloud Database Administrator

Hiring Organisation
Corecom Consulting
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum pension, bonus, remote
environment. This is a hands-on role combining strong SQL fundamentals with practical experience operating databases in the cloud. You'll own the reliability, performance, and security of production databases hosted in AWS, working closely with infrastructure, delivery, and application teams to ensure controlled change and operational resilience. This … across a complex, enterprise-scale environment. What We're Looking For Strong T-SQL expertise and SQL database administration background Proven experience in database performance tuning and optimisation Hands-on experience with AWS-hosted databases (ideally RDS) Experience supporting production databases in cloud environments Strong understanding of backups ...

Platform Engineer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across ...

MySQL Database Administrator

Hiring Organisation
ECS Resource Group Ltd
Location
Surrey, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
site travel to Surrey for key delivery activities. Key responsibilities: Deploying and implementing MySQL database environments Supporting database builds, configuration and migration activities Performance tuning, optimisation and stability during deployment phases Managing backups, recovery and high availability configurations Supporting go-live and handover into BAU operations Working closely … delivery teams Required experience: Proven experience as a MySQL DBA in enterprise environments Strong hands-on experience with MySQL deployment and implementation Experience with performance tuning, indexing and query optimisation Solid understanding of backup, recovery and DR strategies Comfortable working independently in a delivery-focused contract role Further ...

Senior Python Developer - Digital Trading Analytics

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£380 - £465 per day
looking for a Senior Python Developer to design, build, and maintain high-performance, scalable solutions supporting financial market analytics. This is a high-impact role sitting at the intersection of complex data engineering and front-office trading systems. You will play a key role in shaping engineering practices, guiding … architectural decisions, and leading junior engineers to deliver business-critical solutions. Financial Engineering: Design and deploy scalable, high-performance software for data processing and trading analytics. Technical Leadership: Lead architectural decisions, conduct rigorous code reviews, and mentor junior engineers. Stakeholder Collaboration: Partner with Traders, Quants, and Product Managers ...

Senior Site Reliability Engineer

Hiring Organisation
Stratospherec Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
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 … 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 ...

Solace Administrator

Hiring Organisation
BGC Group
Location
England, United Kingdom
join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like … software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable ...

Data Engineer (Automation)

Hiring Organisation
Network IT
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
supporting live data pipelines, resolving issues in line with ITIL best practices , and implementing proactive alerting and self-healing mechanisms. Identifying and implementing performance optimisations across data pipelines, queries, and reporting workloads. Supporting data governance processes , including data archiving, masking, encryption, and versioning, with opportunities to integrate AI-driven … this role, you will bring: Strong commercial experience delivering end-to-end data engineering and automation solutions in complex environments. Advanced SQL skills, including performance tuning and optimisation across large datasets. Knowledge of Python or R for data processing or analytics. Hands-on experience with data integration ...

Microsoft Dynamics Developer

Hiring Organisation
Xebia
Location
England, United Kingdom
build custom components, and integrate with external systems. Dataverse Management Skilled in the the architecture and governance of enterprise-scale Dataverse environments, including security, performance tuning, and data modelling. Azure Integration Skilled in the configuring and optimising Azure services such as Logic Apps, Azure Functions, Service ...

Senior Oracle / SQL Database Administrator (OT Environment)

Hiring Organisation
KBC Technologies UK LTD
Location
Wokingham, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
platforms Operate within restricted networks with strict change control and limited maintenance windows Troubleshoot issues impacting real-time operations and plant uptime Performance & Reliability Identify and resolve performance issues (wait events, deadlocks, slow queries) Implement high availability solutions including RAC, Data Guard, Always On, and Log Shipping Conduct … proactive monitoring, tuning, and capacity planning Backup, Recovery & DR Manage RMAN, SQL Server backups, and MySQL backup strategies Execute point-in-time recovery and disaster recovery procedures Participate in resilience testing and DR exercises Security & Compliance Harden database environments in line with NIST, IEC 62443, ISO 27001 Manage access ...

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
e.g. Celery, Redis Streams, Kafka) to enable scalable async workloads, retries, and fault-tolerant integrations. Design data models and optimise relational databases (PostgreSQL) for performance, partitioning, and horizontal scale. Introduce caching, rate limiting, and queuing to meet performance budgets and latency goals. Integrate with AI pipelines and model … operating production REST APIs with OpenAPI/Swagger. Comfortable working in a React/TypeScript codebase. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Familiarity with AWS core services (EC2, VPC, IAM, S3, ALB/ ...

SAS Viya/SAS Platform Engineer - SC Cleared

Hiring Organisation
Careerwise
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
engineering, operational support, and migration initiatives. Key Responsibilities Administration & support of SAS Viya and SAS 9.x environments SAS infrastructure design, build, and platform operations Performance tuning, monitoring, and troubleshooting ETL workflows and SAS migration projects (on-prem - cloud/version upgrades) Deployment automation and CI/CD integration ...

Data Engineer

Hiring Organisation
James Adams
Location
Birmingham, England, United Kingdom
enterprise environments Hands-on experience with Microsoft Fabric, including OneLake, Lakehouse, Delta, Data Pipelines, Dataflows, and Power BI semantic models Strong SQL skills including performance tuning Experience with Python or PySpark for data transformations Practical experience building ETL or ELT pipelines Solid understanding of data modelling approaches such ...

Java Developer

Hiring Organisation
Experis
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Strong analytical and decision-making abilities. Desired Skills and Experience: Experience in Angular and Node JS. Experience in Jaspersoft reporting tool. DBA experience in performance tuning SQL queries and Postgres/Aurora DB config. Experience working with Spring Cloud, Spring Batch, and Spring Integration. Experience working with Activiti ...

Technical Lead

Hiring Organisation
Perch Group
Location
England, United Kingdom
reviews and solution design Opportunity to evolve into a Tech Lead role managing a small engineering squad Engineering & Delivery Develop complex SQL stored procedures, performance-tuned queries, and optimise data models Design and build scalable, secure applications using C# and .NET Build and enhance data pipelines and integrations using … platform legacy data centric components into modern, cloud-first services Data Engineering Drive ETL development, data ingestion, and transformation pipelines Improve database performance and optimise slow-running queries across large datasets Introduce automation and quality improvements to database change processes Required Skills and Experience Advanced SQL Server expertise, query ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing, database health monitoring Version control with Git, SVN, or equivalent Design, develop and maintain databases and data models …/DMS/SCADA) Develop, enhance, and maintain display applications, dashboards, and HMI interfaces/Station displays for operators and engineers Ensure high performance, reliability, and integrity of database system under real-time operational loads Perform database tuning, indexing, query optimization, and performance monitoring Develop and maintain ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing, database health monitoring Version control with Git, SVN, or equivalent Design, develop and maintain databases and data models …/DMS/SCADA) Develop, enhance, and maintain display applications, dashboards, and HMI interfaces/Station displays for operators and engineers Ensure high performance, reliability, and integrity of database system under real-time operational loads Perform database tuning, indexing, query optimization, and performance monitoring Develop and maintain ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing, database health monitoring Version control with Git, SVN, or equivalent Design, develop and maintain databases and data models …/DMS/SCADA) Develop, enhance, and maintain display applications, dashboards, and HMI interfaces/Station displays for operators and engineers Ensure high performance, reliability, and integrity of database system under real-time operational loads Perform database tuning, indexing, query optimization, and performance monitoring Develop and maintain ...

Database Administrator

Hiring Organisation
Corecom Consulting
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum pension, bonus, remote
within a highly regulated environment. This is a hands-on role where you'll act as the gatekeeper for production databases, ensuring data security, performance, availability, and compliance at all times. You'll work closely with delivery, application support, and engineering teams to enable safe, well-governed change while … performant, this role offers real impact and long-term ownership. What We're Looking For Strong, demonstrable T-SQL expertise Proven experience in database performance tuning and optimisation Experience supporting large-scale, high-transaction databases Strong background in data optimisation for automated, high-volume systems Experience working ...

Senior PHP Developer

Hiring Organisation
ByteHire
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
enterprise and government clients. They are looking for a Senior Software Engineer (PHP) to join a small, highly technical backend team working on performance-critical, data-driven services in a security-focused environment. Key Responsibilities: Take ownership of requirements discovery, scope definition, and delivery planning for key projects … maintain backend services and REST APIs using PHP (Laravel v10). Own and evolve Elasticsearch implementations, including index design, mappings, query optimisation, aggregations, and performance tuning. Design and optimise MySQL schemas and queries for high-volume workloads, including indexing strategies and query performance analysis. Build and maintain data ...

SQL Database Administrator

Hiring Organisation
System Recruitment Specialists Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Database Administrator to take ownership of a large and complex SQL Server estate. This is a hands-on role where youll ensure high availability, performance, and security across multiple environments, while proactively monitoring and resolving issues before they impact the business. If youre passionate about performance tuning … upgrade SQL Server instances. Manage and maintain a large-scale SQL Server environment across multiple platforms. Implement robust backup, restore, and disaster recovery strategies. Performance & Optimisation Tune queries and stored procedures for maximum efficiency. Design and maintain indexing strategies. Conduct regular health checks and capacity planning. Monitoring & Troubleshooting Proactively ...

System Administrator

Hiring Organisation
DCV Technologies Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
large, enterprise-scale IBM Z environment. This is a hands-on role focused on DB2 for z/OS system-level administration, availability, performance, and resilience. Youll work on critical production systems, owning DB2 subsystem health, upgrades, tuning and recovery, while collaborating with infrastructure, security and vendor teams. … Responsibilities DB2 for z/OS installation, maintenance and upgrades using SMP/E Applying PTFs and managing DB2 subsystem lifecycle Performance monitoring and tuning (ZPARMS, buffer pools, EDM pools) Backup, recovery and disaster recovery for DB2 catalog and directory Administration of Broadcom/CA tools (Platinum, SYSVIEW ...

Tech Lead - Data Analytics & Data Engineering (AWS) - SC+NPPV3

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
delivering data ingestion, transformation, and storage patterns using S3, AWS Glue, and Redshift Owning data architecture decisions, including data modelling, partitioning strategies, and performance optimisation Defining and enforcing engineering standards across code quality, testing, CI/CD, IaC, and observability Building and optimising ELT/ETL pipelines using Glue … domains Strong hands-on experience with: Amazon S3 (data lake patterns, partitioning, lifecycle management) AWS Glue (Jobs, Crawlers, PySpark, orchestration) Amazon Redshift (data modelling, performance tuning, WLM, Spectrum) Advanced Python (PySpark) and SQL skills Experience implementing CI/CD pipelines and Infrastructure as Code Proven ability to engage ...