1 to 25 of 32 Contract Performance Tuning Jobs in England

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 ...

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 ...

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 KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close … promoting best practices across the team. Key Responsibilities Design, develop, and maintain kdb+ tick systems, with strong understanding of data organisation, schema design, and performance implications of different architectural approaches. Build and operate solutions handling large-scale, high-frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

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 ...

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 Ltd
Location
Birmingham, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/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 ...

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 ...

IT Expert Principal

Hiring Organisation
Hays Talent Solutions
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
VMware solutions in enterprise-scale environments Experience with: VCF deployments (greenfield) and migrations (brownfield) Life cycle management (patching, upgrades, optimisation) Strong troubleshooting, performance tuning, and optimisation skills Experience working in customer-facing or consulting environments Strong stakeholder management, communication, and documentation skills VCP-VCF certification (or actively working ...

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 ...

ML 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 ...

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 ...

ML Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
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 ...

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 ...

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 ...

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 ...

V05980 - SAP Basis/BTP DevOps Engineer

Hiring Organisation
Outsource
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Day Rate £500.00 per day or £675.00 Umbrella Inside IR35
opportunity to work on large-scale digital transformation programmes while helping to maintain secure, resilient, and high-performing SAP services Responsibilities Managing the availability, performance, and security of SAP platforms Designing and implementing SAP landscape and connectivity improvements Configuring and maintaining SAP BTP connectivity solutions including SAP Cloud Connector …/or S/4HANA SAP NetWeaver SAP BTP SAP Cloud Connector SAProuter Hybrid integration and connectivity System monitoring and performance tuning Incident, problem, and change management Agile and DevOps methodologies You will be a proactive and collaborative engineer with excellent communication skills, a strong analytical mindset ...

Oracle DBA

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Suite (EBS) 12.2.x environments. The role involves working across both production and non-production systems, to upgrade/remediate, applying patches, etc., ensuring stability, performance, and successful upgrade execution. Key Responsibilities: Deliver end-to-end upgrade activities across Oracle Database, EBS, and SOA environments Perform database upgrades and patching … upgrade activities across non-production and production environments Strong experience with patching, cloning, and migration strategies Experience in Linux/Unix environments Experience in performance tuning and troubleshooting across DB and middleware layers Experience in raising and managing Oracle Support Service Requests (SRs) and coordinating with Oracle Support ...

Lead .SQL/.NET Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £850/day Up to £850pd Umbrella
need to succeed : Extensive C# .Net Development experience on data-heavy projects. Extensive SQL Development experience - Must Have. Solid experience in database modelling, performance tuning, and optimisation. Thorough knowledge of application programming for data intensive applications on SQL Server using Stored Procedures/tSQL. Good knowledge of cloud ...

Managing SOC Engineer - MOD DV - Inside IR35

Hiring Organisation
Sanderson Government and Defence
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800 per day
servers. Elastic (Elastic Stack/Elastic Security): Hands-on with index lifecycle management (ILM), ingest pipelines, ECS mapping, transforms, and enrichment. Experience designing and tuning detection rules (KQL, EQL), response actions, case workflows, and Elastic Security posture features. Skilled in Fleet/Agent deployment, data stream design, and performance tuning at scale. Strong client management and relationship building experience SIEM experience with Splunk/Elastic Excellent analytical and problem-solving skills coupled with ability to assess complex situations, identify risks, and recommend effective solutions Proven hands-on experience operating Elastic Stack/Elastic Security and Splunk Enterprise ...