1 to 25 of 33 Contract Performance Tuning Jobs in the UK

Senior SQL Developer

Hiring Organisation
Damia Group Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
successful candidate will work on complex database systems supporting real-time data processing, reporting, and business intelligence. Responsibilities Design, develop, and maintain high-performance SQL queries, stored procedures, and functions . Work with large, transactional databases and optimise SQL code for performance and scalability. Collaborate with data engineers … tasks to feed analytics platforms. Troubleshoot and resolve database issues, ensuring data integrity, security, and availability . Assist in data modelling, schema design, and performance tuning across multiple environments. Maintain clear technical documentation and follow best practices for version control and deployment . Required Skills & Experience Strong experience ...

PostgreSQL DBA

Hiring Organisation
Experis
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£390 - £440/day
upskilling or learning; we require proven expertise in cloud-based database administration, automation, and infrastructure-as-code. Key Responsibilities Database Administration: Own installation, upgrades, performance tuning, troubleshooting, and disaster recovery for PostgreSQL, MySQL, and MongoDB. Design and execute database maintenance plans and housekeeping to ensure optimal performance … pipeline setup. Required Skills & Experience Proven production DBA experience in cloud-based environments. Hands-on expertise in PostgreSQL (Essential), MySQL, and MongoDB. Strong performance tuning and troubleshooting skills. Terraform proficiency is mandatory; ability to design, deploy, and manage database infrastructure using Infrastructure-as-Code (IaC). Experience working ...

Oracle DBA

Hiring Organisation
Bruin Financial & Professional Services
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
focus on Oracle environments, Linux/AIX administration, and core banking systems. The successful candidate will play a key role in ensuring the stability, performance, security and scalability of critical platforms within a highly regulated environment. The role Administer and optimise Oracle databases within critical banking platforms Manage … maintain Linux (RHEL/Oracle Linux) and AIX environments Perform upgrades, patching, tuning and performance optimisation across infrastructure and database layers Support backup, recovery and disaster recovery processes using RMAN and Data Guard Work closely with application and infrastructure teams to troubleshoot production issues Automate routine administration tasks ...

DBA

Hiring Organisation
UA Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Terraform, Ansible and on prem. Data Pipelines: Kafka, CDC (Change Data Capture) tools like Debezium. Technical Requirements Essential Expert-level knowledge of **PostgreSQL** (Performance tuning, vacuuming, indexing). Hands-on experience with **ClickHouse** (managing clusters, MergeTree engines, and tuning for high-concurrency). Proficiency in **Snowflake** administration ...

Senior Data Engineer

Hiring Organisation
Winsearch
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 68 Hourly
highly secure engineering and technology programme seeking an experienced Senior Data Engineer to support the design, development and delivery of secure, scalable and high-performance data solutions within a regulated environment. This role will focus heavily on the Elastic Stack and Apache NiFi, supporting enterprise-scale data ingestion, transformation … pipelines - Ensure high standards of data quality, integrity and traceability across all systems Elastic Stack & Platform Management - Configure, optimise and maintain Elasticsearch clusters for performance and resilience - Develop and maintain Logstash pipelines for efficient data processing - Create dashboards and visualisations within Kibana to support operational and strategic reporting - Monitor ...

Splunk Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £400 per day
Splunk solution design including data onboarding, data models, dashboards, alerts, and ITSI objects. Review and govern Splunk development standards, SPL performance, and configuration best practices. Provide technical guidance, mentoring, and code reviews for Splunk developers and support teams. Splunk Core & ITSI Design and implement Splunk ITSI components including: oServices … service hierarchies oKPIs & thresholds oGlass Tables oEpisode review and correlation search tuning Build service centric monitoring aligned to business and application landscapes. Configure entity extraction, service templates, and adaptive thresholds. Data Onboarding & Engineering Lead onboarding of diverse data sources: oApplication logs, infrastructure metrics, APM data, cloud logs, and security ...

Senior Software Engineer (Data Engineering)

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 495 Daily
pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience with performance tuning for backend services or data pipelines. Proficient SQL skills for data analysis, validation, and troubleshooting. Experience working with data warehouses, data lakes ...

Senior Software Engineer (Data Engineering)

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £495/day
pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience with performance tuning for backend services or data pipelines. Proficient SQL skills for data analysis, validation, and troubleshooting. Experience working with data warehouses, data lakes ...

Junior Data Engineer

Hiring Organisation
Pontoon
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£36,000 - £41,000 per annum
variety of database technologies including relational, NoSQL, MPP and columnar stores (BigQuery, Redshift, Azure SQLDW, HBase, MongoDB). Build optimised, scalable data models. Apply performance tuning and optimisation across storage. Ensure secure handling of data including authentication, authorisation, encryption. Implement monitoring, alerting for large-scale distributed data workloads. ...

DevOps Engineer

Hiring Organisation
Twinstream Limited
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
shell scripting and command-line tooling AWS environments and cloud infrastructure Monitoring and observability tools including Prometheus, Grafana or InfluxDB SQL and relational databases Performance tuning, troubleshooting, scaling and disaster recovery Network security principles and protocols Desirable Experience Any of the following would be beneficial: Managed service environments ...

Senior BI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65,000 - £68,000 per annum
data models Creating dashboards and reports for senior leaders and business users Improving data quality, documentation, and governance Optimising SQL queries and dashboard performance Working with stakeholders to define KPIs and technical requirements Supporting junior engineers with code reviews and BI best practice Skills and experience: 5+ years' experience … data engineering, analytics engineering, or technical analytics Strong SQL skills, including joins, window functions, and performance tuning Experience with Databricks, Snowflake, or BigQuery Strong data modelling experience, ideally with dbt Experience with BI tools such as Omni, Power BI, Tableau, Looker, or Sigma Strong stakeholder management and communication ...

QA Automation / SDET Engineer

Hiring Organisation
Syntax Consultancy Limited
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £450 Per Day Outside IR35
Cucumber, and Selenium WebDriver within complex enterprise environments. Strong understanding of Spring applications , microservices, and distributed architectures. Good understanding in PostgreSQL , including query optimisation, performance tuning, and data validation. Experience using WireMock for service virtualisation and integration isolation. Strong expertise in Performance, Load , and Stress testing using ...

Database Administrator (DBA)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £620 per day
role is a hybrid role based off 2 working days a month in the Swindon office. This role is focused on optimisation, stability, and performance —working hands-on to ensure the database environment is running efficiently, reliably, and at scale. Key Responsibilities Optimise and tune PostgreSQL databases to improve … performance and reliability Troubleshoot and resolve complex database issues and query bottlenecks Monitor database health, performance, and availability Ensure platform stability through proactive maintenance and improvements Analyse and optimise SQL queries, indexing strategies, and execution plans Support incident resolution and provide root cause analysis Implement best practices across ...

Machine Learning Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Negotiable
Docker, Kubernetes, and CI/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert ...

Senior Engineer Infrastructure Operations Linux

Hiring Organisation
SOLOS Consultants Ltd
Location
Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 469 - 602 Annual
platforms across both BAU operations and project delivery. The role will involve: Enterprise Linux administration and troubleshooting Supporting secure, highly available production environments Platform performance, stability and security management Infrastructure automation and environment improvement Supporting Linux-based development environments Containerisation of applications and services Working alongside infrastructure, network … Required Experience Candidates should demonstrate strong experience in: Enterprise Linux administration (RHEL/CentOS/Rocky Linux) Secure production infrastructure support Linux troubleshooting and performance tuning Automation tools such as Ansible, Bash or Python VMware virtualised environments Container technologies (Docker/Podman/Kubernetes beneficial) Infrastructure monitoring ...

Senior Oracle Developer

Hiring Organisation
Hays Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
database development on Oracle 19g and data warehousing projects Manage and monitor Oracle Jobs (creation, scheduling, auditing) Optimise queries and improve PL/SQL performance Work across the full SDLC, from design through to deployment Analyse and interpret entity relationship diagrams (ERDs) and data models Collaborate with team members … Proven experience with Oracle Forms/Reports (10g/11g) and Oracle 19g Solid understanding of data warehousing concepts Experience with query optimisation and performance tuning Ability to work independently across the software development lifecycle Strong knowledge of ER diagrams and data mapping Experience managing Oracle Jobs ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
C++) - Experienced in data persistence across SQL (Postgres, MySQL), NoSQL (Cassandra, MongoDB) and TSDB ( TimescaleDB , InfluxDB , Prometheus TSDB) - Skilled in schema design, optimisation and performance tuning Distributed Systems & State Management - Strong understanding of distributed systems, transaction management and telemetry pipelines - Understands how state is managed across multiple systems ...

Database Administrator

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£475.00 per day
organisation. This role focuses on supporting and improving critical Oracle environments across both on-premise and cloud infrastructure. You will help maintain the stability, performance, and scalability of the Oracle estate, with responsibilities including patching, performance tuning, cloud deployments, and full lifecycle management. Key Responsibilities: Support ...

PostgreSQL Database Administrators

Hiring Organisation
Xcede
Location
London, United Kingdom
Employment Type
Contract
experienced PostgreSQL DBAs to join a business-critical AWS cloud programme. This is a hands-on operational DBA role focused on maintaining platform stability, performance, and availability within a live production environment. Key Responsibilities Support and maintain AWS PostgreSQL databases Monitor database performance and platform health Identify … resolve performance issues proactively Carry out database optimisation and housekeeping Reduce technical debt and improve operational stability Communicate risks, issues, and service impacts to stakeholders Required Experience Strong PostgreSQL DBA experience AWS cloud experience (RDS PostgreSQL/Aurora preferred) Performance tuning and database optimisation Production/live ...

Front End-Angular developer

Hiring Organisation
DCV Technologies
Location
Basildon, Essex, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
experiences, including tables, dashboards, and visualizations. Collaborate with backend teams to integrate REST APIs and microservice based systems. Apply best practices in state management, performance optimization, and UI scalability. Contribute to frontend architecture decisions, coding standards, and shared component libraries. Work in an Agile environment and collaborate with product … Skills Desired: Experience in risk, fraud, payments, or financial systems Exposure to CI/CD pipelines and DevOps enabled frontend delivery Awareness of frontend performance tuning and accessibility best practices Experience modernizing or upgrading Angular versions ...

DevX Build Pipeline Engineer DevOps Engineer CGEMJP00342735

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Extend Python tooling for SLSA provenance, SBOM generation, hash/digest accuracy, and security scan aggregation (SonarQube, Sonatype IQ, SAST/Container). Optimize performance (parallel builds, caching, scope-reduced BOMs, dependency prefetch). Ensure artifact integrity (correct SHA1/SHA256 mapping, reproducible inputs, evidence modelling). Refactor legacy …/Terraform and container image metadata. Supply-chain security (SLSA, CycloneDX SBOM, digests). Experience with SonarQube, Sonatype IQ, container and SAST scanning. Proven performance tuning (caching, parallelization, dependency pruning). Compliance Awareness. Nice-to-Have Artifact signing/attestations (cosign, OCI). Terraform module and Helm chart ...

Azure

Hiring Organisation
Syntax Consultancy Ltd
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£525 - £550/day Inside IR35
Azure networking patterns , including Hub and Spoke, VWAN, VPN and firewall configurations. Advanced PostgreSQL administration skills in large production environments , including migrations, replication, and performance tuning. Expertise with Azure migration tools such as Azure Migrate and Azure Database Migration Service (DMS). Good understanding of CI/CD pipelines ...

ML Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
ingest, transform, and loaddata from various sources. AI model Feature Engineering: Integrate structured and unstructured data from internal and external systems intocentralized data platforms. Performance Tuning of AI/models: Optimize data workflows and queries for performance, scalability, andcost-efficiency. Building Agentic Systems: Developing intelligent AI agents … that can reason, plan, and execute tasksautonomously using LLMs and other tools. LLM application Development: LLM fine-tuning adapting pretrained LLMs for specific tasks using techniques likeparameterefficient fine-tuning (PEFT) (e.g., LoRA, QLoRA). Implementing Retrieval-Augmented Generationpipelines to enhance the knowledge and accuracy of LLMs. Utilizing vector ...

ML Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
load data from various sources. AI model Feature Engineering: Integrate structured and unstructured data from internal and external systems into centralized data platforms. Performance Tuning of AI/models: Optimize data workflows and queries for performance, scalability, and cost-efficiency. Building Agentic Systems: Developing intelligent AI agents … that can reason, plan, and execute tasks autonomously using LLMs and other tools. LLM application Development: LLM fine-tuning adapting pretrained LLMs for specific tasks using techniques like parameterefficient fine-tuning (PEFT) (e.g., LoRA, QLoRA). Implementing Retrieval-Augmented Generation pipelines to enhance the knowledge and accuracy ...

SAP Basis Support Engineer

Hiring Organisation
Synergize Consulting Ltd
Location
Essex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
with deep expertise across SAP landscapes, databases, operating systems, and enterprise support environments. You will play a key role in maintaining the stability, security, performance, and resilience of critical SAP systems while supporting ongoing transformation and cloud initiatives. Key Responsibilities Administer and support SAP environments including S/4HANA … Support transport management processes across SAP landscapes Implement and maintain backup, recovery, high availability, and disaster recovery solutions Monitor and optimise database and system performance Support upgrade and migration activities including SP/FP stacks and release upgrades Ensure SAP systems remain secure, compliant, and aligned with best practices ...