Part-Time 'Performance Tuning' Job Vacancies

26 to 29 of 29 Part-Time Performance Tuning Jobs

Wordpress Developer

United Kingdom, UK
Reggie & Cole
ideas to life, building reliable, well-crafted WordPress sites that perform beautifully across all devices. The work is varied, everything from custom themes and plugins to API integrations and performance tuning. Youll be involved in projects from concept through to delivery, contributing ideas, solving problems, and helping clients get the best out of their websites. What Youll Need Around More ❯
Employment Type: Part-time
Posted:

z/OS Systems Programmer (Mainframe) - Fully Remote

West London, UK
Hybrid / WFH Options
GL Global
z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯
Employment Type: Part-time
Posted:

z/OS Systems Programmer (Mainframe) - Fully Remote

Central London, UK
Hybrid / WFH Options
GL Global
z/OS Systems Programmer (Mainframe) - Fully Remote We are looking for an experienced z/OS Systems Programmer to join our team, supporting the migration, installation, maintenance, and performance optimisation of IBM z/OS environments. This role is critical to ensuring reliability, security, and efficiency across our Mainframe infrastructure, while contributing to modernisation and compliance initiatives. Responsibilities … Install, configure, and maintain z/OS, JES2, SMP/E, and RACF Manage system patches, upgrades, and performance tuning Troubleshoot and resolve complex Mainframe systems issues Support integrations, migrations, and deployments across the platform Ensure adherence to security policies and regulatory compliance Collaborate with technical teams to deliver efficient and secure solutions Key Skills & Experience Strong experience More ❯
Employment Type: Part-time
Posted:

COGNOS Developer

Guernsey, UK
Brickendon Consulting
Collaborate with Authoritys testing team to perform functional and user acceptance testing before deployment to live environments. Ensure data accuracy and consistency across multiple frameworks and reporting layers. Apply performance optimisation techniques such as query tuning, model restructuring, and indexing for faster report generation. Implement security and access controls aligned with MoDs OFFICIALSENSITIVE classification standards. Support root cause … Report Studio, Query Studio, and Transformer. Strong SQL proficiency (Oracle or SQL Server). Understanding of data warehousing, ETL processes, and relational modelling. Demonstrated experience in report optimisation and performance tuning. Experience delivering secure reporting solutions within government or regulated sectors. Strong communication skills with the ability to liaise with both technical and non-technical stakeholders. Familiarity with Agile More ❯
Employment Type: Part-time
Posted:
Performance Tuning
10th Percentile
£46,250
25th Percentile
£53,750
Median
£73,750
75th Percentile
£100,000
90th Percentile
£126,250