15 of 15 Contract Performance Tuning Jobs in the South East

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. ...

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 ...

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 ...

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. ...

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 ...

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 ...

.NET Developer

Hiring Organisation
Rise Technical Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £70,000 per annum
hosted systems. You will work with technologies such as C#, ASP.NET Core, RESTful APIs, SQL Server, and AWS services. You will also support deployments, performance tuning, and the improvement of backend architecture and development processes.The ideal candidate will have strong commercial experience in backend focused .NET development with … systems and APIs* Develop secure, scalable, and maintainable services using C# and ASP.NET Core* Work with SQL Server to optimise queries, stored procedures, and performance* Support AWS deployments and cloud environment configuration* Analyse issues in existing systems and provide robust technical solutions* Contribute to continuous improvement of tools, processes ...

SC cleared Red Hat OpenStack Engineer

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£380 - £400 per day
Storage for persistent storage and Red Hat Enterprise Linux (RHEL) as the underlying operating system. Delivery: Performing advanced troubleshooting, patching, upgrades, capacity planning, and performance tuning of the OpenStack environment. Container Integration: Increasingly, this role involves enabling container platforms like Red Hat OpenShift … OpenStack virtual machines (VMs). Essential commercial experience Expert-level Red Hat Enterprise Linux (RHEL) administration, including networking, security, storage, and performance tuning. Deep knowledge of core services (Nova, Neutron, Cinder, Keystone, Glance, Swift Experience of Ansible for configuration management and orchestration, and scripting with Python or Go . ...

Senior Network Security Engineer - WAF

Hiring Organisation
Revybe IT Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
posture, drive improvements across our network security stack, and support key projects focused on cloud, firewall, and WAF optimisation. Key Responsibilities Lead the configuration, tuning, and optimisation of Barracuda WAF platforms Support and enhance Azure networking components including VNets, NSGs, firewalls, load balancers, and routing Work with next-generation … network security, traffic flows, segmentation, and application security Understanding of OWASP, threat mitigation, and secure configuration principles Experience in incident response, troubleshooting, and performance tuning Excellent communication and documentation skills Click apply to be considered. ...

Azure Data Engineer - £400PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
Synapse, Databricks, and Microsoft Fabric. Build efficient ETL/ELT processes and data models to support analytics, reporting, and dashboards. Optimise existing pipelines for performance, reliability, and cost efficiency. Implement best practices for data quality, error handling, automation, and monitoring. Manage data security and governance, including Row-Level Security … PySpark, or T-SQL for transformations. Understanding of CI/CD and DevOps (Git, YAML pipelines). Strong grasp of data governance, security, and performance tuning. To apply for this role please submit your CV or contact Dillon Blackburn on or at . Tenth Revolution Group ...