51 to 75 of 103 Contract Performance Tuning Jobs

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Back end requires: C#, .Net Framework 8.0 (or newer), Restful APIs, LINQ, Visual Studio, Azure DevOps, IIS, SQL Server, including T-SQL, Schema Design, Performance Tuning. Front end requires: React (JavaScript Framework), CSS, JSON, Swagger, Postman, Lighthouse, Visual Studio, Azure DevOps ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £80 per hour
cloud deployment using a modern, best-in-class stack. Key Requirements Java Mastery: 5+ years of experience (Java 17+ preferred) with a focus on performance tuning. Spring Ecosystem: Deep expertise in Spring Boot, Data, and Security. Cloud & DevOps: Strong AWS knowledge (ECS/Fargate, Lambda, RDS) and expert proficiency ...

Data Lineage Developer - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage ...

C# Oracle PL/SQL Developer - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage ...

SQL DBA

Hiring Organisation
TXP
Location
Warwickshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day Outside IR35
largest and most complex change programmes the client has undertaken for many years. The role is critical to ensuring the stability, performance, security, and availability of SQL Server environments supporting Niche, data migration activities, and associated integrations. You will deliver DBA services at pace to support programme milestones … requirements. Skills and experience required: Strong hands-on experience as a Microsoft SQL Server DBA Expertise in performance tuning, indexing, and query optimisation Experience with high availability and disaster recovery solutions Strong understanding of SQL security, encryption, and auditing Experience supporting large-scale transactional systems Familiarity with Niche ...

Krber (Infios) WMS Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Coventry, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £550 to £600 per day
rber Warehouse Management System (formerly HighJump/K rber). This role involves customizing workflows, integrating with external systems, and ensuring optimal performance to support efficient warehouse operations. Your Responsibilities Develop and configure K rber (Infios) WMS modules, workflows, and interfaces Integrate WMS with ERP, TMS, and other third … Create and maintain SQL stored procedures, scripts, and custom reports Troubleshoot and resolve technical issues, ensuring minimal downtime Participate in system upgrades, patches, and performance tuning Collaborate with business analysts and stakeholders to gather requirements and deliver solutions Support testing phases (UAT, QA) and deployment activities Maintain technical ...

Python Developer

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day, Negotiable
backend services using Python (FastAPI preferred) Build RESTful APIs and microservices for banking applications Work extensively with PostgreSQL , including schema design, query optimization, and performance tuning Implement secure, high-availability backend solutions aligned with banking compliance standards Integrate and deploy AI-driven solutions , including ChatGPT and MCP based ...

Cloud Engineer GCP GKE

Hiring Organisation
Hirexa Solutions UK
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Service (KMS), Public Key Infrastructure (PKI), Encryption, and the principles of least privilege. Deep understanding of Linux operating systems, including system internals, networking, and performance tuning. Exposure to high-throughput environments with experience implementing observability stacks. Prometheus/Dynatrace for logging and metrics, and OpenTelemetry for distributed tracing. Strong ...

Oracle Fusion Developer - Reporting

Hiring Organisation
Lorien
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £575 per day
Fusion HCM (HR and Payroll), HCM Extracts. Ability to build custom formulas, sophisticated reports, and dashboards within OTBI. Excellent ability to do SQL query performance tuning. Experience with scheduling report jobs and bursting BIP reports to end users. A background in working in projects, preferably with larger companies (e.g. ...

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 ...

Oracle Report Developer

Hiring Organisation
Morson Edge
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Contract
Contract Rate
£31.31 - 42.11 per hour
skills: Strong Oracle SQL & PL/SQL Oracle Reports and/or BI Publisher Oracle ERP (EBS/11i/R12/Cloud) Performance tuning and complex query writing Solid understanding of Oracle database architecture This is a hands-on reporting role delivering high-quality, performance-optimised ...

Security Engineer - MOD DV - Inside IR35

Hiring Organisation
Sanderson Government and Defence
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 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 ...

Azure Architect Linux

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
potential). This is a unique opportunity to own the end-to-end solutioning-from initial assessment to high-level design and hands-on performance tuning. The Role As the Technical Lead for a team of 5+ engineers, you will drive the strategy and delivery of Azure Landing Zones … architectural roadmaps. Migration Excellence: Leading On-prem to Cloud transitions using Azure Migrate . Linux Mastery: Deep-dive troubleshooting of networking, clusters, and kernel tuning (RHEL/CentOS focus). Security & Governance: Managing Azure Key Vault, IAM, and high-security UNIX environments. What You'll Bring Experience: 12+ years ...

SQL DBA - Local Authority Exp

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
into technical troubleshooting, and can work confidently across SQL Server, scripting, and SSIS packages. Key Responsibilities Diagnose and resolve complex SQL Server issues including performance bottlenecks, blocking, query inefficiencies, and job failures Develop, review, and troubleshoot T-SQL scripts, stored procedures, indexes, and SQL Jobs Maintain and support SSIS … recovery models, and environment health monitoring Support patching, upgrades, and production deployments Work closely with application teams to analyse issues and implement fixes or performance improvements Ensure all database activities adhere to council security and compliance standards Provide clear documentation, runbooks, and knowledge transfer as needed Essential Skills & Experience ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £625/day - Inside IR35
urgently looking for an IBM DataPower Engineer with mainframe Modernization experience. The successful candidate will be responsible for designing and implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable legacy … XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA/REST APIs, CI/CD tools (Jenkins, Ansible). Ensure high availability, performance tuning, and compliance (PCI DSS, GDPR). Essential skills/knowledge/experience: Strong experience in IBM DataPower Gateway configuration and troubleshooting. Knowledge ...

Full Stack Java Developer Contract Dublin

Hiring Organisation
Adecco
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£431 - £517/day ltd company
Development experience. Experience using SVN, Maven, Jenkins, and Sonar as well JavaScript tools such as NodeJS, NPM, Jasmine, Karma. You will have experience in performance tuning and code optimisation. You will have experience using Scrum and following Agile best practices. You Must have hands-on Java experience, including ...

Data Migration Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Contract
Contract Rate
£41.00 - £42.11 per hour
Skills: Strong experience with Oracle SQL and PL/SQL Solid understanding of Oracle ERP database architecture Experience with joins, subqueries, analytic functions, and performance tuning of data extractions Knowledge of ETL techniques and methods Experience in Oracle 11i data structures or Oracle Cloud environments Previous experience ...

Integration Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Contract
Contract Rate
£40.00 - £42.00 per hour
Solid understanding of Oracle ERP database architecture and/or Oracle Cloud environments (EPM/Fusion) Experience with joins, subqueries, analytic functions, and performance tuning of data extractions Knowledge of ETL techniques and methods Powershell or other scripting/automation tools Experience in Oracle 11i data structures ...

Data Engineer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
transformation-heavy pipelines covering data profiling, cleansing, standardisation, conformance, and publishing Advanced SQL skills for data profiling, joins and merges, deduplication, anomaly detection, and performance tuning Strong scripting capability in Python for automation, parsing, rules engines, and data quality checks, with an emphasis on writing maintainable, well-structured ...

Oracle Fusion Developer

Hiring Organisation
Harvey Nash
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
Fusion HCM (HR and Payroll), HCM Extracts. Ability to build custom formulas, sophisticated reports, and dashboards within OTBI. Excellent ability to do SQL query performance tuning. Experience with scheduling report jobs and bursting BIP reports to end users. Ability to demonstrate stakeholder management at most levels. Please apply today ...

Principal Engineer (IBM i/IBM Z)

Hiring Organisation
Click
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 570 Daily
clients Core Enterprise Platforms , with deep expertise in IBM i and IBM Z . This is a senior, hands-on role owning platform stability, performance, and resilience across business-critical systems on for a global function. Client is looking for continuity for this 2 year programme. The Role … technical authority for IBMi and IBMz platforms Lead capacity management , performance tuning, and scalability planning Advise/challenge and implement good DevOps practices Own backup, recovery, and disaster recovery strategy and execution Ensure high availability, resilience, and operational excellence Drive platform standards, architecture decisions, and technical roadmaps Resolve ...

Storage Virtualisation Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £500/day
ensuring the efficient operation of virtualized environments Key Responsibilities: * Design, deploy, and manage virtualization solutions, including virtual machines and hypervisors. * Monitor and optimize the performance of virtualized environments to ensure high availability and efficiency. * Implement and maintain virtualization technologies (e.g., VMware, Hyper-V, KVM, Nutanix, OpenShift). * Build/… activities on complex VMware environments which includes vendor management and coordination with data center teams * Troubleshoot and resolve issues related to virtualization infrastructure, including performance and connectivity problems. * Develop and implement backup, disaster recovery, and security strategies for virtual environments. * Collaborate with IT teams to integrate virtualization solutions with ...

Contract Machine Learning Engineer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
designing, training and applying traditional machine learning models to solve defined business problems. The engagement will require someone comfortable working autonomously, refining model performance, and delivering production-ready solutions within a short timeframe. Key Responsibilities Design, develop and optimise machine learning models using Python Train and validate traditional … algorithms on structured datasets Apply appropriate evaluation metrics and performance tuning techniques Translate business requirements into robust ML solutions Deploy or hand over trained models for operational use Clearly document methodology and model performance Essential Skills & Experience Strong commercial experience in Python development Proven experience working with ...

Adobe AEM Implementation Consultant

Hiring Organisation
ClearCourse
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
component libraries Migrate and restructure content while protecting URLs, redirects and SEO value Integrate AEM with Adobe Assets, Analytics, Target and Journey Optimizer Configure performance, caching and page load optimisation across sites Ensure governance, consistency and best-practice implementation Resolve technical build, integration and performance issues Work closely … component configuration Strong background in large-scale content migration and content modelling Experience integrating AEM with Adobe Experience Cloud products Strong understanding of performance tuning, caching and Core Web Vitals Solid technical SEO knowledge within AEM Experience working within governed enterprise AEM environments Confident communicator able to work ...