1 to 25 of 38 Contract Performance Tuning Jobs in the UK excluding London

Senior .NET Developer

Hiring Organisation
KBC Technologies UK LTD
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
/CD pipelines . The ideal candidate should have a deep understanding of backend development, microservices, DevOps practices, and modern cloud environments. Experience with performance tuning, application optimization, and system migrations is a strong advantage. Key Responsibilities Design, develop, and maintain applications using .NET Framework, .NET Core (6+ … Contribute to DevOps practices, automation improvements, and deployment processes. Participate in migration projects, refactoring legacy components to modern .NET Core-based architectures. Optimize application performance, troubleshooting performance bottlenecks across APIs and services. Work with RabbitMQ for messaging, event-driven integrations, and asynchronous communication. Collaborate with cross-functional teams ...

Oracle Database Administrator

Hiring Organisation
Lorien
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £575 per day
Enterprise Linux (RHEL) as well as Azure and AWS cloud platforms. The ideal candidate will have strong expertise in Oracle administration, performance tuning, automation, and cloud-native deployments. Key Responsibilities Database Installation & Configuration Install, configure, and upgrade Oracle Database software on Red Hat Enterprise Linux (RHEL) systems. Configure … . Security & Access Management Administer users, roles, privileges, and authentication. Implement encryption, auditing, and compliance controls. Apply quarterly CPU/RU patches across environments. Performance Monitoring & Tuning Monitor and analyse performance using: AWR (Automatic Workload Repository) - for gathering performance statistics and generating reports on system load. ...

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 ...

Java Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
lifecycle (encryption, secrets management, logging). Collaborate with product, QA, SRE, and architecture teams to deliver high-quality features in iterative releases. Contribute to performance tuning, resilience testing, and SLAs/SLOs for real-time processing. Write clean, testable code with unit, integration, and contract tests; participate … Experience with Hazelcast, Kafka Connect, Schema Registry, or Confluent Platform. Knowledge of security in payments: OAuth2/OpenID Connect, mTLS, HSMs, tokenisation. Background in performance engineering (JMH, Gatling, k6) and chaos/resilience testing. Cloud experience (AWS/GCP/Azure) and infrastructure-as-code (Terraform/Ansible). ...

Microsoft Power Platform Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £510 per day
Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors Optimize Dataverse schema, relationships, and performance; manage large datasets, virtual tables, and row-level security Ensure data quality, telemetry, and Power BI analytics alignment with semantic models and governance Delivery … with product owners to translate business outcomes into platform capabilities and technical backlog items Manage solution risk, cost, timeline, and non-functional requirements (scalability, performance, reliability, supportability) Platform Enablement & CoE Establish and evolve the Power Platform Center of Excellence (CoE), including standards, accelerators, templates, guardrails, and training paths Drive ...

Senior Java Engineer Kubernetes, Kafka, Docker - Hybrid

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £750 per day
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 ...

Senior Platform Engineer

Hiring Organisation
Adroit People Ltd
Location
Halifax, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
Up to £470 per day
/CD tools (GitHub Actions, Jenkins, Harness, Spinnaker). Security & Reliability: Embed secure-by-design principles from architecture to runtime, safeguarding colleagues and customers. Performance & Automation: Define and operate against SLOs/SLIs, implement actionable observability, performance tuning, and automation to reduce toil. API-First Enablement: Enable … consumers. Community & Mentorship: Mentor engineers, contribute to communities of practice, and uphold Platform Engineering standards. Qualifications Proven experience delivering large-scale systems with high performance, availability, and fault-tolerance. Expertise in Infrastructure-as-Code (Terraform) and CI/CD systems. Deep knowledge of containers, orchestration ( Kubernetes ), and service-mesh ...

Storage Engineer CGEMJP00322595

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
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 ...

ServiceNow Architect

Hiring Organisation
IBU CONSULTING LTD
Location
Berkshire, South East, United Kingdom
Employment Type
Contract
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 … 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 ...

DevOps Engineer - Terraform

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
autoscaling and cost efficiency. Ensure robust AWS networking (VPC, Transit Gateway, PrivateLink, Route 53) and enforce security best practices. Drive incident response, monitoring, and performance tuning. Key Technologies: AWS (EKS, Fargate, EC2, S3) Terraform CloudFormation GitLab ArgoCD Docker Kubernetes Helm Cassandra OTel Grafana Splunk Karpenter Python Desirable: Experience with ...

Unix Administrator

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
transactions across global markets. This position offers the opportunity to work on mission-critical systems in a highly regulated environment, ensuring stability, security, and performance of Unix-based platforms that underpin banking operations worldwide. Key Responsibilities Administer and maintain Unix/Linux systems across multiple environments. Implement and manage … system upgrades, patches, and performance tuning . Support the One Click Currency programme by ensuring robust infrastructure and seamless integration with banking applications. Monitor system health, troubleshoot issues, and provide root cause analysis. Collaborate with security and compliance teams to meet global banking standards. Automate operational tasks using ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Senior SQL & SSIS Data Engineer Data warehouse

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
this hands-on, technical position, you will take ownership of a significant portfolio of around 90 SSIS batch jobs. You'll dive deep into performance analysis, tackle existing technical debt, and implement best practises that will elevate our data operations. Your expertise will be crucial as we gear … exciting data warehouse migration from New York to London in 2026! Key Responsibilities Analyse and optimise SSIS ETL pipelines and batch jobs. Improve SQL performance through effective indexing and execution plans. Identify and resolve locking and blocking issues to enhance efficiency. Apply best practises to boost overall warehouse performance. ...

OpenShift Architect

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £519/day
technical authority for OpenShift, Kubernetes, and related containerization technologies. Design and implement scalable, secure, and compliant OpenShift solutions aligned with the bank standards. Conduct performance tuning, capacity planning, and optimization of OpenShift clusters. Develop and enforce best practices for CI/CD pipelines, DevOps workflows, and container security. ...

Cloud Platform Engineering Lead / DevOps Lead

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Code and modern CI/CD . Embed secure-by-design principles from architecture to runtime. Define and manage SLOs/SLIs ; drive observability, performance tuning, and automation. Promote API-first delivery , creating reusable patterns and golden paths. Mentor engineers and actively contribute to communities of practice. Core ...

Cloud BI & Analytics Consultant - Looker SME

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with executive-level customers. Required Qualifications 5+ years working with Looker and BigQuery. Strong proficiency in advanced LookML and semantic modelling. Experience in Looker performance tuning and model optimisation. Proven ability to develop complex dashboards with cross-filters, custom filters, and custom visualisations. Experience with governance, access management ...

Data Platform Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Worcestershire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
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 ...

Oracle Database Developer-IAM Project

Hiring Organisation
Morson Edge
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 565 per day
/Data Migration - experience of data migration projects and working with large data sets Data load Utilities - SQL*Loader plus use of Database Links Performance Tuning - code analysis and execution plan optimisation Oracle development tools - SQL*Plus, TOAD/SQL Developer UNIX -- knowledge of the OS shells along ...

Development Lead

Hiring Organisation
Matchtech
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£1,000 - £1,100 per day
global development teams, fostering capability growth and collaboration. Continuous Improvement Champion modernisation through SAP BTP, Fiori, automation, and best-practice engineering techniques. Drive system performance tuning and post-go-live optimisation. Support knowledge sharing and continuous improvement across SAP development teams. Qualifications & Experience Essential Bachelor's or Master ...

Database Architect Analyst

Hiring Organisation
Harvey Nash
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract, Work From Home
will also assist in defining and building the required database server infrastructure within the Azure landing zones or co-lo platforms to ensure compatibility, performance and operational readiness. This role ensures that all databases are migrated safely, data integrity is maintained and hosting environments are correctly configured for each … supporting enterprise environments Hands-on experience with migration tools and techniques for both SQL Server and Oracle Skilled in backup and recovery operations, performance tuning and troubleshooting Knowledge of building and administering SQL Server or Oracle on Azure VMs or co-lo platforms Understanding of networking fundamentals relevant ...

SIEM Application Engineer (Elastic Security) - Manchester, UK

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

SIEM Application Engineer (Elastic Security) - Birmingham, UK

Hiring Organisation
Randstad Digital
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

SIEM Application Engineer Elastic Security - Manchester, UK

Hiring Organisation
Randstad Technologies
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

DBA - Migration - Oracle and SQL Server - Edinburgh

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
environments into Azure or co-location datacentres. This is a hands-on role where you'll plan, design, and execute migrations, ensuring data integrity, performance, and compliance throughout. Essential skills: Strong experience as a SQL Server DBA and/or Oracle DBA Hands-on migration experience with enterprise environments … Skilled in backup/recovery, performance tuning, and troubleshooting Knowledge of Azure VM hosting for SQL Server/Oracle Understanding of networking fundamentals for database connectivity Comfortable working under structured change control processes Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business ...

Netscaler SME- Citrix Expert

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
looking for a highly skilled Netscaler SME/Citrix Expert to support a major banking client in designing, implementing, and managing secure, high-performance Citrix and Netscaler environments. The ideal candidate will be responsible for delivering stable, scalable, and secure application delivery solutions within a complex banking infrastructure. NetscalerKey …/Gateway) infrastructure for secure application delivery. Act as the subject matter expert for Citrix Virtual Apps & Desktops (XenApp/XenDesktop). Troubleshoot performance issues, latency, and connectivity problems across Citrix/Netscaler environments. Optimize Netscaler load-balancing, traffic management, high availability, and SSL offloading. Implement security policies, multi ...