26 to 38 of 38 Performance Tuning Jobs in the South East

SC + NPPV3 Cleared Oracle PL/SQL and DBA Support Specialist

Hiring Organisation
Damia Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £595 per day
/SQL packages * Exposure to Unix (the target is Sun Solaris, but any flavour of Unix or Linux is acceptable)' Desirable Skills/Competencies Performance Tuning of SQL and PL/SQL * Advanced PL/SQL techniques (analytical functions, collection handling, bulk processing, objects, LOBs) * Experience of Oracle ...

Snowflake (Cortex) Platform Engineer - Insurance

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£750 - £860 per day
business-critical Snowflake platform, ensuring it remains secure, scalable, high-performing, and well-governed across the organisation.Key Responsibilities Own Snowflake platform administration, performance, and cost optimisation. Manage RBAC, access controls, SSO integrations, and security policies. Implement data masking, row-level security, audit logging, and network controls. Deliver platform upgrades … architecture. Essential Skills Strong enterprise Snowflake administration experience. Cortex AI Expertise in Snowflake security, RBAC, governance, and access management. Experience with warehouse management, performance tuning, and cost optimisation. Strong SQL skills and knowledge of Account Usage and Information Schema. Terraform (or similar Infrastructure-as-Code tooling). Cloud ...

Senior Microsoft Platform Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
SharePoint (on-prem and cloud), IIS/web platforms, Azure services, and identity services including SSO and MFA Proactively monitor, maintain, and optimise platform performance, availability, capacity, and disaster recovery Lead complex troubleshooting, root cause analysis, and incident resolution Deliver platform upgrades, deployments, and infrastructure changes in line with …/web infrastructure, reporting platforms, and identity management (SSO/MFA) Experience operating at third-line level within complex, global environments Strong understanding of performance tuning, monitoring, capacity planning, and disaster recovery Experience delivering upgrades and deployments within structured change control environments Ability to lead technically, mentor others ...

Oracle Data Warehouse

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Andover, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Provided production support for existing live OAS, ODI, data warehouse objects. Analysed and resolved data, ETL, and reporting issues to ensure system stability. Performed performance tuning of RPD objects, ODI mappings, queries, and reports. Maintained and documented standard processes, procedures, and technical documentation . ...

Quantexa Technical Lead - Senior Manager

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
technical authority and client interface, translating regulatory or business problems into scalable Quantexa architectures Leads teams in shaping data models, ER logic, and performance tuning across high-volume, enterprise datasets Mentors teams while influencing delivery standards, design patterns, and best practice across multiple workstreams In order to secure ...

Technical Lead - Ruby

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling Responsibilities: Provides hands-on technical leadership ...

Infrastructure Engineer – Secure Browser – Azure Virtual Desktop – Expedia Group

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
Wallington, Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £439 per day
Azure Virtual Desktop & Modern Workspace Engineering Provide operational support and engineering expertise for Microsoft Azure Virtual Desktop environments, including host pool administration, image management, performance optimization, and troubleshooting Help deliver a secure, high-performing modern workspace experience for enterprise users Support virtual desktop lifecycle activities such as provisioning, patching … based end-user computing services Windows Endpoint & Core Infrastructure Support Maintain Windows 10/11 endpoints and Windows Server environments, including patching, application deployment, performance tuning, and system health monitoring Support enterprise management capabilities across Intune, Active Directory, DNS, DHCP, identity management, and related infrastructure services Troubleshoot complex ...

Field Application Engineer

Hiring Organisation
Set2Recruit
Location
Gatwick, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
feeding critical market requirements back into the R&D roadmap. System Optimization: Actively resolve integration challenges on the ground, ensuring display solutions achieve peak performance within diverse host environments. Required Technical Expertise Display & Touch Technologies: Deep technical understanding of LCD, OLED, and touchscreen architectures, specifically regarding their integration into … HDMI, SPI, IC, LVDS) alongside practical knowledge of PCB layout principles and EMI/EMC compliance. Software & OS Integration: Proven capability configuring and tuning display drivers across Linux, Windows, or Android platforms. Strong scripting/programming skills in C/C++ and Python are highly desirable. Optical & Performance ...

Senior Java Developer - Remote Trading

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 per annum
+ PensionThis role can be done COMPLETELY REMOTELY from the UKWe are looking for: Experienced Java Back-End Software Engineers Multi-threading (GC, Memory, Performance Tuning) ideally in a trading environment Some experience with Service Modernisation, working in a modern API First and Cloud Native Experience, any experience ...

Solaris Engineer - Security Clearance - Contract - Remote

Hiring Organisation
Reed
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Temporary
Salary
£400 - £500 per day, Inc benefits
Security Clearance to support mission-critical infrastructure across production, DR, and development environments. You will provide 3rd Line support for Solaris platforms, ensuring stability, performance, and resilience across a complex UNIX/Linux estate, while contributing to ongoing infrastructure and cloud-aligned initiatives . Key Responsibilities Deliver 3rd Line … support for Solaris UNIX systems Manage Solaris environments (patching, upgrades, performance tuning) Support virtualisation (Zones/LDOMs) Troubleshoot across Solaris, AIX, RHEL, SUSE Develop shell scripting automation (Bash/KSH) Support 24/7 production environments and DR readiness Essential Skills Strong experience in Solaris UNIX (core requirement ...

Solace Middleware Engineer - London - Inside IR35

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
implement low-latency messaging patterns (pub/sub, guaranteed messaging, request/reply) Configure and optimise brokers, VPNs, queues, and topic hierarchies Drive performance tuning for ultra-low latency trading systems Integrate trading applications with messaging architecture Monitor and troubleshoot real-time message flows and latency issues Support ...

SQL Data Engineer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
Develop and maintain complex T-SQL scripts, stored procedures, and database objects to support data processing and analysis. Optimise ETL processes, queries, and database performance to ensure scalability, stability, and efficient handling of growing data volumes. Conduct testing and validation activities to ensure data accuracy, performance, and successful … experience with SQL Server Integration Services (SSIS) and Microsoft SQL Server development. Strong expertise in T-SQL programming, including stored procedures, query optimisation, and performance tuning. Experience scripting within SSIS using technologies such as PowerShell, C#, or Python . Strong understanding of data warehousing concepts, architectures, methodologies, and best ...

Full Stack PHP Developer

Hiring Organisation
Ripple Recruitment Ltd
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
projects. You will report directly to the Technical Director, contributing to everything from new custom builds and API integrations to ongoing platform maintenance and performance tuning. This is an ideal role for a developer who enjoys a varied workload, feels comfortable moving between CMS and bespoke application development … Custom Fields/Post Types). A good understanding of modern front-end development (HTML, CSS, JavaScript). A passion for web performance, accessibility, and security. Useful Additional Experience: Familiarity with lightweight frameworks (Livewire, Alpine, Vue). Experience with WooCommerce, Gravity Forms, or payment gateways. Exposure to Cloudflare, DigitalOcean ...