76 to 99 of 99 Performance Tuning Jobs in the South East

Oracle Developer

Hiring Organisation
4Square Recruitment Ltd
Location
Slough, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
responsible for developing and maintaining complex Oracle SQL and PL/SQL code, working closely with developers and stakeholders to ensure high-performance, scalable database solutions. This is a hands-on role for someone who genuinely enjoys writing proper PL/SQL—not just babysitting legacy code. What …/SQL programming skills Experience developing complex stored procedures, packages, functions, and triggers A high standard of coding with a focus on performance, maintainability, and best practices Proven experience working in a software house or similar fast-paced environment Nice to Have (but not deal-breakers) Performance tuning ...

Cloud Operations Team Lead

Hiring Organisation
Big Red Recruitment
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
configuration management tools (Terraform & Ansible or similar) Proven experience leading cross-functional teams and managing cloud infrastructure projects Experience in cloud monitoring, alerting, and performance tuning Experience with CI/CD tools and supporting development workflows Strong communication and stakeholder management skills If you’re seeking a leadership ...

Cloud Operations Team Lead

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
configuration management tools (Terraform & Ansible or similar) Proven experience leading cross-functional teams and managing cloud infrastructure projects Experience in cloud monitoring, alerting, and performance tuning Experience with CI/CD tools and supporting development workflows Strong communication and stakeholder management skills If you’re seeking a leadership ...

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 . ...

IT Applications Analyst

Hiring Organisation
Larbey Evans
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 per annum
patching, and upgrades in coordination with change management procedures Manage user access controls, including provisioning, de-provisioning, and access reviews Monitor system health and performance; initiate health checks and proactively remediate issues Respond to and resolve incidents and service requests in line with SLAs Provide break/fix troubleshooting … tools Understanding of access management, patch management, and vulnerability remediation processes Familiarity with ITIL practices (Incident, Problem, Change, and Configuration Management) Exposure to application performance tuning, cloud platforms, or scripting (e.g., PowerShell, Python ...

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. ...

Software Developer (ASP.NET, MVC)

Hiring Organisation
4Square Recruitment Ltd
Location
Petersfield, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
C#, ASP.NET MVC, EF, SQL JavaScript, jQuery What you'll be doing: Develop, design and maintain web applications Participate in code reviews, testing, and performance tuning to ensure software quality and efficiency Write clean, maintainable, and testable code following best practices and coding standards Contribute to technical documentation ...

Infrastructure & Application Engineer

Hiring Organisation
Nextech
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
moving change environments. What You'll Do Lead and support application migrations to modern platforms (cloud & on-prem) Own application lifecycle - deployment, configuration, upgrades & performance tuning Troubleshoot complex issues across servers, networks, databases & integrations Enhance monitoring, automation and resilience across core services Collaborate with vendors and internal teams ...

Senior Database Engineer

Hiring Organisation
Mercor
Location
Maidstone, Kent, UK
Employment Type
Full-time
Database Administrator in production environments. Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server. Strong background in performance tuning, security, data integrity, and schema design. Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling. Comfortable handling large datasets, interpreting execution ...

Senior Database Engineer

Hiring Organisation
Mercor
Location
Guildford, Surrey, UK
Employment Type
Full-time
Database Administrator in production environments. Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server. Strong background in performance tuning, security, data integrity, and schema design. Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling. Comfortable handling large datasets, interpreting execution ...

Sr. Database Administrator

Hiring Organisation
Mercor
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
Database Administrator in production environments. Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server. Strong background in performance tuning, security, data integrity, and schema design. Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling. Comfortable handling large datasets, interpreting execution ...

Java Software Engineer | Remote | $140/hr

Hiring Organisation
Mercor
Location
Portsmouth, Hampshire, UK
Java, C, JavaScript, or TypeScript. Familiarity with widely-used libraries, frameworks, and tools in your language(s) of choice. Excellent understanding of software architecture, performance tuning, and scalable code patterns. Strong collaboration skills and experience working within distributed, asynchronous teams. Comfortable using Git, CI/CD systems ...

Java Software Engineer | Remote | $140/hr

Hiring Organisation
Mercor
Location
Dartford, Kent, UK
Java, C, JavaScript, or TypeScript. Familiarity with widely-used libraries, frameworks, and tools in your language(s) of choice. Excellent understanding of software architecture, performance tuning, and scalable code patterns. Strong collaboration skills and experience working within distributed, asynchronous teams. Comfortable using Git, CI/CD systems ...

Java Software Engineer | Remote | $140/hr

Hiring Organisation
Mercor
Location
Milton Keynes, Buckinghamshire, UK
Java, C, JavaScript, or TypeScript. Familiarity with widely-used libraries, frameworks, and tools in your language(s) of choice. Excellent understanding of software architecture, performance tuning, and scalable code patterns. Strong collaboration skills and experience working within distributed, asynchronous teams. Comfortable using Git, CI/CD systems ...

AWS Architect - SC Cleared, Fully remote

Hiring Organisation
Bangura Solutions
Location
Slough, Berkshire, UK
Employment Type
Full-time
Config. Hybrid Networking & Connectivity - AWS Direct Connect, VPN, Transit Gateway, PrivateLink, and BGP routing. AWS Security & Monitoring - logging, and threat detection. Cloud Cost Optimisation & Performance Tuning - Right-sizing, auto-scaling, and FinOps principles. Minorities, women, LGBTQ+ candidates, and individuals with disabilities are encouraged to apply. Interviews will take ...

Remote Database Administrator

Hiring Organisation
Mercor
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Database Administrator in production environments. Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server. Strong background in performance tuning, security, data integrity, and schema design. Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling. Comfortable handling large datasets, interpreting execution ...

Remote Database Administrator

Hiring Organisation
Mercor
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
Database Administrator in production environments. Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server. Strong background in performance tuning, security, data integrity, and schema design. Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling. Comfortable handling large datasets, interpreting execution ...

Remote Database Administrator

Hiring Organisation
Mercor
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Database Administrator in production environments. Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server. Strong background in performance tuning, security, data integrity, and schema design. Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling. Comfortable handling large datasets, interpreting execution ...

Software Engineer

Hiring Organisation
NCR Atleos
Location
Southampton, UK
Employment Type
Full-time
deployment and scalability. Write and maintain unit tests to ensure code quality and reliability. Develop and optimize SQL queries and database schemas for high-performance data operations. Collaborate with cross-functional teams to deliver robust and secure solutions. Participate in code reviews, troubleshooting, and performance tuning. Contribute … equal-opportunity employer. It is NCR Atleos policy to hire, train, promote, and pay associates based on their job-related qualifications, ability, and performance, without regard to race, color, creed, religion, national origin, citizenship status, sex, sexual orientation, gender identity/expression, pregnancy, marital status, age, mental or physical ...

Software Engineer

Hiring Organisation
NCR Atleos
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
deployment and scalability. Write and maintain unit tests to ensure code quality and reliability. Develop and optimize SQL queries and database schemas for high-performance data operations. Collaborate with cross-functional teams to deliver robust and secure solutions. Participate in code reviews, troubleshooting, and performance tuning. Contribute … equal-opportunity employer. It is NCR Atleos policy to hire, train, promote, and pay associates based on their job-related qualifications, ability, and performance, without regard to race, color, creed, religion, national origin, citizenship status, sex, sexual orientation, gender identity/expression, pregnancy, marital status, age, mental or physical ...

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 ...

Data Engineer

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
that data models support business reporting and analytics needs while optimizing query performance. Maintain data dictionaries and metadata to document data structures and relationships. Performance Optimization Optimize data storage, retrieval, and query performance by implementing indexing, partitioning, and caching strategies. Monitor data processing performance and address bottlenecks … they arise. Stay updated with best practices in data processing performance tuning. Documentation and Knowledge Sharing Create and maintain documentation for data pipelines, data transformation processes, and data integration procedures. Foster a culture of knowledge sharing within the data engineering team and across the organization. Collaboration and Stakeholder Engagement ...

Director - Lead Software Engineer Java, Equities

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £180,000 per annum
join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will design and build high-performance systems that support our equities trading business. You will work closely with traders, quants, and other technologists to deliver innovative solutions in a fast … management and execution. Collaborate with front-office stakeholders to understand business requirements and translate them into technical solutions. Ensure best practices in software architecture, performance optimization, and scalability. Mentor junior engineers and contribute to technical strategy while remaining hands-on in coding. Requirements Expert-level Java development skills with ...

Infrastructure Engineer

Hiring Organisation
Proactive Appointments
Location
Gillingham, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
join our clients IT team in Gillingham. You’ll play a key role in maintaining and evolving their infrastructure, ensuring stability, security, and performance across their systems. Key Responsibilities Support and manage infrastructure solutions in a hybrid environment (on-premise and cloud). Monitor, troubleshoot, and maintain systems … continuous improvement of internal processes. Key Technical Skills/Experience Required Active Directory – GPOs, authentication protocols, domain controller support. VMWare – ESXi, vCenter, troubleshooting and performance tuning. VEEAM Backup – Configuration, support and recovery processes. SolarWinds – Monitoring and alerting systems. Core Network Services – DNS, DHCP, domain controller management. Windows Server ...