26 to 50 of 272 Performance Tuning Jobs

SIEM Application Engineer - ElasticSearch

Hiring Organisation
Adecco
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
security objectives forward. You'll also be responsible for presenting findings and writing documentation tailored to both technical and business audiences. Query optimisation and Performance Tuning: Write efficient Elasticsearch queries to retrieve relevant security events. Monitor and manage the performance of the SIEM infrastructure to maintain optimal … authentication, and encryption using Elastic Security features. - Ability to create, test, and optimise detection rules based on the MITRE ATT&CK Framework. - Experience in performance tuning with Elasticsearch and Logstash, including monitoring Logstash pipelines. - Proficiency in using Kibana for data visualisation and monitoring. Advantageous: - Familiarity with offensive testing ...

Senior Software Engineer

Hiring Organisation
Online Filings
Location
United Kingdom
endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex ...

Senior Software Engineer

Hiring Organisation
Online Filings
Location
London, UK
endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex ...

SQL Database Administrator

Hiring Organisation
Picture More
Location
Chelmsford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
large, business-critical SQL Server and Azure SQL platforms. This is a hands-on position where you’ll play a key role in maintaining performance, stability, and resilience across the firm’s core applications. The role Administer and optimise SQL Server databases (2014–2022) across on-prem and Azure. … Deliver performance tuning, query optimisation and advanced troubleshooting. Manage HA/DR including AlwaysOn AGs, clustering, backups, and failover. Monitor capacity, patching, security, and database integrity. Support application upgrades, releases, and T-SQL-driven integrations. Provide 3rd-line support for major incidents. Produce documentation, runbooks, and operational best ...

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 Compiler Engineer

Hiring Organisation
IC Resources
Location
United Kingdom
Remote (UK/EU) Working Model: Fully Remote The Company Spectral Compute is a deep-tech startup building compiler technology that enables portable, high-performance GPU computing across diverse hardware platforms. Their work removes vendor lock-in by allowing existing CUDA applications to run efficiently across different … heterogeneous compute. Compiler Engineer Responsibilities: Design and develop compiler infrastructure for GPU and accelerator targets Build and optimise compiler passes, code generation, and performance layers Analyse performance bottlenecks and drive low-level optimisations Work closely with systems and performance engineers on cross-platform support Contribute ...

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
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 ...

Solace Administrator

Hiring Organisation
BGC Group
Location
London, UK
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
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 ...

Microsoft Dynamics Developer

Hiring Organisation
Xebia
Location
England, UK
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/ ...

AWS Developer

Hiring Organisation
Shrinq Consulting Group Inc
Location
Columbus, Ohio, United States
Employment Type
Any
Salary
USD Annual
Experience with Infrastructure as Code (Terraform/CloudFormation Experience with containerization (Docker, Kubernetes Familiarity with monitoring and logging tools. Exposure to cost optimization and performance tuning ...

Data Engineer

Hiring Organisation
James Adams
Location
Birmingham, UK
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 ...

Data Engineer

Hiring Organisation
James Adams
Location
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 ...

Senior Site Reliability Engineering - Database Operations

Hiring Organisation
N26 GmbH
Location
Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
tools (DataDog, Prometheus, Grafana, OpenTelemetry). Nice to have: Experience in scaled operational storage solution production systems. In-depth knowledge of database internals including performance tuning, high-availability architecture (replication/failover), backup and recovery strategies, and sharding/clustering. Traits: Excellent collaboration and communication skills, with ...